tools: update babel-eslint to 10.0.3

PR-URL: https://github.com/nodejs/node/pull/29320
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
This commit is contained in:
cjihrig 2019-08-25 23:50:55 -04:00
parent 248e9ec124
commit 0259aadc5a
No known key found for this signature in database
GPG Key ID: 7434390BDBE9B9C5
74 changed files with 1591 additions and 3977 deletions

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@ -1,10 +1,14 @@
"use strict";
const t = require("@babel/types");
const escope = require("eslint-scope");
const Definition = require("eslint-scope/lib/definition").Definition;
const OriginalPatternVisitor = require("eslint-scope/lib/pattern-visitor");
const OriginalReferencer = require("eslint-scope/lib/referencer");
const requireFromESLint = require("./require-from-eslint");
const escope = requireFromESLint("eslint-scope");
const Definition = requireFromESLint("eslint-scope/lib/definition").Definition;
const OriginalPatternVisitor = requireFromESLint(
"eslint-scope/lib/pattern-visitor"
);
const OriginalReferencer = requireFromESLint("eslint-scope/lib/referencer");
const fallback = require("eslint-visitor-keys").getKeys;
const childVisitorKeys = require("./visitor-keys");

View File

@ -0,0 +1,9 @@
"use strict";
const resolve = require("resolve");
const eslintBase = require.resolve("eslint");
module.exports = function requireFromESLint(id) {
const path = resolve.sync(id, { basedir: eslintBase });
return require(path);
};

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@ -1,6 +1,6 @@
MIT License
Copyright (c) 2014-2018 Sebastian McKenzie <sebmck@gmail.com>
Copyright (c) 2014-present Sebastian McKenzie and other contributors
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the

View File

@ -66,7 +66,7 @@ function getMarkerLines(loc, source, opts) {
markerLines[lineNumber] = true;
} else if (i === 0) {
const sourceLength = source[lineNumber - 1].length;
markerLines[lineNumber] = [startColumn, sourceLength - startColumn];
markerLines[lineNumber] = [startColumn, sourceLength - startColumn + 1];
} else if (i === lineDiff) {
markerLines[lineNumber] = [0, endColumn];
} else {
@ -102,7 +102,6 @@ function codeFrameColumns(rawLines, loc, opts = {}) {
return highlighted ? chalkFn(string) : string;
};
if (highlighted) rawLines = (0, _highlight().default)(rawLines, opts);
const lines = rawLines.split(NEWLINE);
const {
start,
@ -111,7 +110,8 @@ function codeFrameColumns(rawLines, loc, opts = {}) {
} = getMarkerLines(loc, lines, opts);
const hasColumns = loc.start && typeof loc.start.column === "number";
const numberMaxWidth = String(end).length;
let frame = lines.slice(start, end).map((line, index) => {
const highlightedLines = highlighted ? (0, _highlight().default)(rawLines, opts) : rawLines;
let frame = highlightedLines.split(NEWLINE).slice(start, end).map((line, index) => {
const number = start + 1 + index;
const paddedNumber = ` ${number}`.slice(-numberMaxWidth);
const gutter = ` ${paddedNumber} | `;

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@ -13,13 +13,17 @@
"chalk": "^2.0.0",
"strip-ansi": "^4.0.0"
},
"gitHead": "0407f034f09381b95e9cabefbf6b176c76485a43",
"homepage": "https://babeljs.io/",
"license": "MIT",
"main": "lib/index.js",
"name": "@babel/code-frame",
"publishConfig": {
"access": "public"
},
"repository": {
"type": "git",
"url": "https://github.com/babel/babel/tree/master/packages/babel-code-frame"
},
"version": "7.0.0"
"version": "7.5.5"
}

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@ -492,7 +492,7 @@ function ObjectTypeAnnotation(node) {
indent: true,
statement: true,
iterator: () => {
if (props.length !== 1) {
if (props.length !== 1 || node.inexact) {
this.token(",");
this.space();
}
@ -501,6 +501,17 @@ function ObjectTypeAnnotation(node) {
this.space();
}
if (node.inexact) {
this.indent();
this.token("...");
if (props.length) {
this.newline();
}
this.dedent();
}
if (node.exact) {
this.token("|}");
} else {

View File

@ -5,22 +5,22 @@
},
"bundleDependencies": false,
"dependencies": {
"@babel/types": "^7.4.4",
"@babel/types": "^7.5.5",
"jsesc": "^2.5.1",
"lodash": "^4.17.11",
"lodash": "^4.17.13",
"source-map": "^0.5.0",
"trim-right": "^1.0.1"
},
"deprecated": false,
"description": "Turns an AST into code.",
"devDependencies": {
"@babel/helper-fixtures": "^7.4.4",
"@babel/parser": "^7.4.4"
"@babel/helper-fixtures": "^7.5.5",
"@babel/parser": "^7.5.5"
},
"files": [
"lib"
],
"gitHead": "2c88694388831b1e5b88e4bbed6781eb2be1edba",
"gitHead": "0407f034f09381b95e9cabefbf6b176c76485a43",
"homepage": "https://babeljs.io/",
"license": "MIT",
"main": "lib/index.js",
@ -32,5 +32,5 @@
"type": "git",
"url": "https://github.com/babel/babel/tree/master/packages/babel-generator"
},
"version": "7.4.4"
"version": "7.5.5"
}

View File

@ -1,6 +1,6 @@
MIT License
Copyright (c) 2014-2018 Sebastian McKenzie <sebmck@gmail.com>
Copyright (c) 2014-present Sebastian McKenzie and other contributors
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the

View File

@ -14,13 +14,17 @@
"devDependencies": {
"strip-ansi": "^4.0.0"
},
"gitHead": "49da9a07c81156e997e60146eb001ea77b7044c4",
"homepage": "https://babeljs.io/",
"license": "MIT",
"main": "lib/index.js",
"name": "@babel/highlight",
"publishConfig": {
"access": "public"
},
"repository": {
"type": "git",
"url": "https://github.com/babel/babel/tree/master/packages/babel-highlight"
},
"version": "7.0.0"
"version": "7.5.0"
}

View File

@ -940,7 +940,7 @@ var flow = (superClass => class extends superClass {
if (this.match(types._import)) {
this.next();
if (!this.isContextual("type") && !this.isContextual("typeof")) {
if (!this.isContextual("type") && !this.match(types._typeof)) {
this.unexpected(this.state.lastTokStart, "Imports within a `declare module` body must always be `import type` or `import typeof`");
}
@ -1170,11 +1170,7 @@ var flow = (superClass => class extends superClass {
return this.finishNode(node, "OpaqueType");
}
flowParseTypeParameter(allowDefault = true, requireDefault = false) {
if (!allowDefault && requireDefault) {
throw new Error("Cannot disallow a default value (`allowDefault`) while also requiring it (`requireDefault`).");
}
flowParseTypeParameter(requireDefault = false) {
const nodeStart = this.state.start;
const node = this.startNode();
const variance = this.flowParseVariance();
@ -1184,12 +1180,8 @@ var flow = (superClass => class extends superClass {
node.bound = ident.typeAnnotation;
if (this.match(types.eq)) {
if (allowDefault) {
this.eat(types.eq);
node.default = this.flowParseType();
} else {
this.unexpected();
}
this.eat(types.eq);
node.default = this.flowParseType();
} else {
if (requireDefault) {
this.unexpected(nodeStart, "Type parameter declaration needs a default, since a preceding type parameter declaration has a default.");
@ -1199,7 +1191,7 @@ var flow = (superClass => class extends superClass {
return this.finishNode(node, "TypeParameter");
}
flowParseTypeParameterDeclaration(allowDefault = true) {
flowParseTypeParameterDeclaration() {
const oldInType = this.state.inType;
const node = this.startNode();
node.params = [];
@ -1214,7 +1206,7 @@ var flow = (superClass => class extends superClass {
let defaultRequired = false;
do {
const typeParameter = this.flowParseTypeParameter(allowDefault, defaultRequired);
const typeParameter = this.flowParseTypeParameter(defaultRequired);
node.params.push(typeParameter);
if (typeParameter.default) {
@ -1345,7 +1337,7 @@ var flow = (superClass => class extends superClass {
node.typeParameters = null;
if (this.isRelational("<")) {
node.typeParameters = this.flowParseTypeParameterDeclaration(false);
node.typeParameters = this.flowParseTypeParameterDeclaration();
}
this.expect(types.parenL);
@ -1751,11 +1743,14 @@ var flow = (superClass => class extends superClass {
});
case types.bracketL:
return this.flowParseTupleType();
this.state.noAnonFunctionType = false;
type = this.flowParseTupleType();
this.state.noAnonFunctionType = oldNoAnonFunctionType;
return type;
case types.relational:
if (this.state.value === "<") {
node.typeParameters = this.flowParseTypeParameterDeclaration(false);
node.typeParameters = this.flowParseTypeParameterDeclaration();
this.expect(types.parenL);
tmp = this.flowParseFunctionTypeParams();
node.params = tmp.params;
@ -1820,11 +1815,15 @@ var flow = (superClass => class extends superClass {
if (this.state.value === "-") {
this.next();
if (!this.match(types.num)) {
this.unexpected(null, `Unexpected token, expected "number"`);
if (this.match(types.num)) {
return this.parseLiteral(-this.state.value, "NumberLiteralTypeAnnotation", node.start, node.loc.start);
}
return this.parseLiteral(-this.state.value, "NumberLiteralTypeAnnotation", node.start, node.loc.start);
if (this.match(types.bigint)) {
return this.parseLiteral(-this.state.value, "BigIntLiteralTypeAnnotation", node.start, node.loc.start);
}
this.unexpected(null, `Unexpected token, expected "number" or "bigint"`);
}
this.unexpected();
@ -1832,6 +1831,9 @@ var flow = (superClass => class extends superClass {
case types.num:
return this.parseLiteral(this.state.value, "NumberLiteralTypeAnnotation");
case types.bigint:
return this.parseLiteral(this.state.value, "BigIntLiteralTypeAnnotation");
case types._void:
this.next();
return this.finishNode(node, "VoidTypeAnnotation");
@ -2381,7 +2383,7 @@ var flow = (superClass => class extends superClass {
delete method.variance;
if (this.isRelational("<")) {
method.typeParameters = this.flowParseTypeParameterDeclaration(false);
method.typeParameters = this.flowParseTypeParameterDeclaration();
}
super.pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper);
@ -2443,7 +2445,7 @@ var flow = (superClass => class extends superClass {
let typeParameters;
if (this.isRelational("<")) {
typeParameters = this.flowParseTypeParameterDeclaration(false);
typeParameters = this.flowParseTypeParameterDeclaration();
if (!this.match(types.parenL)) this.unexpected();
}
@ -2587,7 +2589,7 @@ var flow = (superClass => class extends superClass {
const kind = node.kind;
if (kind !== "get" && kind !== "set" && this.isRelational("<")) {
node.typeParameters = this.flowParseTypeParameterDeclaration(false);
node.typeParameters = this.flowParseTypeParameterDeclaration();
}
super.parseFunctionParams(node, allowModifiers);
@ -3992,10 +3994,6 @@ var typescript = (superClass => class extends superClass {
return nonNull(this.tsParseDelimitedListWorker(kind, parseElement, true));
}
tsTryParseDelimitedList(kind, parseElement) {
return this.tsParseDelimitedListWorker(kind, parseElement, false);
}
tsParseDelimitedListWorker(kind, parseElement, expectSuccess) {
const result = [];
@ -4965,24 +4963,6 @@ var typescript = (superClass => class extends superClass {
}
}
nodeWithSamePosition(original, type) {
const node = this.startNodeAtNode(original);
node.type = type;
node.end = original.end;
node.loc.end = original.loc.end;
if (original.leadingComments) {
node.leadingComments = original.leadingComments;
}
if (original.trailingComments) {
node.trailingComments = original.trailingComments;
}
if (original.innerComments) node.innerComments = original.innerComments;
return node;
}
tsTryParseDeclare(nany) {
if (this.isLineTerminator()) {
return;
@ -6080,7 +6060,7 @@ function getPluginOption(plugins, name, option) {
return null;
}
const PIPELINE_PROPOSALS = ["minimal", "smart"];
const PIPELINE_PROPOSALS = ["minimal", "smart", "fsharp"];
function validatePlugins(plugins) {
if (hasPlugin(plugins, "decorators")) {
if (hasPlugin(plugins, "decorators-legacy")) {
@ -6121,6 +6101,7 @@ const defaultOptions = {
allowReturnOutsideFunction: false,
allowImportExportEverywhere: false,
allowSuperOutsideMethod: false,
allowUndeclaredExports: false,
plugins: [],
strictMode: null,
ranges: false,
@ -6377,6 +6358,8 @@ class State {
maxNumOfResolvableTopics: 0,
maxTopicIndex: null
};
this.soloAwait = false;
this.inFSharpPipelineDirectBody = false;
this.classLevel = 0;
this.labels = [];
this.decoratorStack = [[]];
@ -8030,6 +8013,10 @@ class LValParser extends NodeUtils {
}
}
if (bindingType === BIND_LEXICAL && expr.name === "let") {
this.raise(expr.start, "'let' is not allowed to be used as a name in 'let' or 'const' declarations.");
}
if (!(bindingType & BIND_NONE)) {
this.scope.declareName(expr.name, bindingType, expr.start);
}
@ -8295,8 +8282,13 @@ class ExpressionParser extends LValParser {
if (prec != null && (!noIn || !this.match(types._in))) {
if (prec > minPrec) {
const node = this.startNodeAt(leftStartPos, leftStartLoc);
const operator = this.state.value;
if (operator === "|>" && this.state.inFSharpPipelineDirectBody) {
return left;
}
const node = this.startNodeAt(leftStartPos, leftStartLoc);
node.left = left;
node.operator = operator;
@ -8332,14 +8324,21 @@ class ExpressionParser extends LValParser {
}
parseExprOpRightExpr(op, prec, noIn) {
const startPos = this.state.start;
const startLoc = this.state.startLoc;
switch (op) {
case types.pipeline:
if (this.getPluginOption("pipelineOperator", "proposal") === "smart") {
const startPos = this.state.start;
const startLoc = this.state.startLoc;
return this.withTopicPermittingContext(() => {
return this.parseSmartPipelineBody(this.parseExprOpBaseRightExpr(op, prec, noIn), startPos, startLoc);
});
switch (this.getPluginOption("pipelineOperator", "proposal")) {
case "smart":
return this.withTopicPermittingContext(() => {
return this.parseSmartPipelineBody(this.parseExprOpBaseRightExpr(op, prec, noIn), startPos, startLoc);
});
case "fsharp":
return this.withSoloAwaitPermittingContext(() => {
return this.parseFSharpPipelineBody(prec, noIn);
});
}
default:
@ -8597,6 +8596,8 @@ class ExpressionParser extends LValParser {
const elts = [];
let innerParenStart;
let first = true;
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
this.state.inFSharpPipelineDirectBody = false;
while (!this.eat(close)) {
if (first) {
@ -8628,6 +8629,7 @@ class ExpressionParser extends LValParser {
this.unexpected();
}
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
return elts;
}
@ -8760,18 +8762,29 @@ class ExpressionParser extends LValParser {
return this.parseParenAndDistinguishExpression(canBeArrow);
case types.bracketL:
node = this.startNode();
this.next();
node.elements = this.parseExprList(types.bracketR, true, refShorthandDefaultPos);
{
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
this.state.inFSharpPipelineDirectBody = false;
node = this.startNode();
this.next();
node.elements = this.parseExprList(types.bracketR, true, refShorthandDefaultPos);
if (!this.state.maybeInArrowParameters) {
this.toReferencedList(node.elements);
if (!this.state.maybeInArrowParameters) {
this.toReferencedList(node.elements);
}
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
return this.finishNode(node, "ArrayExpression");
}
return this.finishNode(node, "ArrayExpression");
case types.braceL:
return this.parseObj(false, refShorthandDefaultPos);
{
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
this.state.inFSharpPipelineDirectBody = false;
const ret = this.parseObj(false, refShorthandDefaultPos);
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
return ret;
}
case types._function:
return this.parseFunctionExpression();
@ -8924,9 +8937,11 @@ class ExpressionParser extends LValParser {
const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
const oldYieldPos = this.state.yieldPos;
const oldAwaitPos = this.state.awaitPos;
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
this.state.maybeInArrowParameters = true;
this.state.yieldPos = 0;
this.state.awaitPos = 0;
this.state.inFSharpPipelineDirectBody = false;
const innerStartPos = this.state.start;
const innerStartLoc = this.state.startLoc;
const exprList = [];
@ -8968,6 +8983,7 @@ class ExpressionParser extends LValParser {
const innerEndLoc = this.state.startLoc;
this.expect(types.parenR);
this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
let arrowNode = this.startNodeAt(startPos, startLoc);
if (canBeArrow && this.shouldParseArrow() && (arrowNode = this.parseArrow(arrowNode))) {
@ -9557,7 +9573,10 @@ class ExpressionParser extends LValParser {
this.raise(node.start, "await* has been removed from the async functions proposal. Use Promise.all() instead.");
}
node.argument = this.parseMaybeUnary();
if (!this.state.soloAwait) {
node.argument = this.parseMaybeUnary();
}
return this.finishNode(node, "AwaitExpression");
}
@ -9686,6 +9705,17 @@ class ExpressionParser extends LValParser {
}
}
withSoloAwaitPermittingContext(callback) {
const outerContextSoloAwaitState = this.state.soloAwait;
this.state.soloAwait = true;
try {
return callback();
} finally {
this.state.soloAwait = outerContextSoloAwaitState;
}
}
registerTopicReference() {
this.state.topicContext.maxTopicIndex = 0;
}
@ -9698,6 +9728,17 @@ class ExpressionParser extends LValParser {
return this.state.topicContext.maxTopicIndex != null && this.state.topicContext.maxTopicIndex >= 0;
}
parseFSharpPipelineBody(prec, noIn) {
const startPos = this.state.start;
const startLoc = this.state.startLoc;
this.state.potentialArrowAt = this.state.start;
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
this.state.inFSharpPipelineDirectBody = true;
const ret = this.parseExprOp(this.parseMaybeUnary(), startPos, startLoc, prec, noIn);
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
return ret;
}
}
const loopLabel = {
@ -9716,7 +9757,7 @@ class StatementParser extends ExpressionParser {
program.interpreter = this.parseInterpreterDirective();
this.parseBlockBody(program, true, true, types.eof);
if (this.inModule && this.scope.undefinedExports.size > 0) {
if (this.inModule && !this.options.allowUndeclaredExports && this.scope.undefinedExports.size > 0) {
for (let _i = 0, _Array$from = Array.from(this.scope.undefinedExports); _i < _Array$from.length; _i++) {
const [name] = _Array$from[_i];
const pos = this.scope.undefinedExports.get(name);
@ -9995,7 +10036,7 @@ class StatementParser extends ExpressionParser {
node.expression = this.parseMaybeDecoratorArguments(expr);
this.state.decoratorStack.pop();
} else {
node.expression = this.parseMaybeAssign();
node.expression = this.parseExprSubscripts();
}
return this.finishNode(node, "Decorator");
@ -10457,10 +10498,6 @@ class StatementParser extends ExpressionParser {
}
parseVarId(decl, kind) {
if ((kind === "const" || kind === "let") && this.isContextual("let")) {
this.unexpected(null, "let is disallowed as a lexically bound name");
}
decl.id = this.parseBindingAtom();
this.checkLVal(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, undefined, "variable declaration");
}

View File

@ -10,8 +10,8 @@
"deprecated": false,
"description": "A JavaScript parser",
"devDependencies": {
"@babel/code-frame": "^7.0.0",
"@babel/helper-fixtures": "^7.4.4",
"@babel/code-frame": "^7.5.5",
"@babel/helper-fixtures": "^7.5.5",
"charcodes": "^0.2.0",
"unicode-12.0.0": "^0.7.9"
},
@ -23,7 +23,7 @@
"lib",
"typings"
],
"gitHead": "33ab4f166117e2380de3955a0842985f578b01b8",
"gitHead": "0407f034f09381b95e9cabefbf6b176c76485a43",
"homepage": "https://babeljs.io/",
"keywords": [
"babel",
@ -44,5 +44,5 @@
"url": "https://github.com/babel/babel/tree/master/packages/babel-parser"
},
"types": "typings/babel-parser.d.ts",
"version": "7.4.5"
"version": "7.5.5"
}

View File

@ -44,7 +44,7 @@ function insertBefore(nodes) {
if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || parentPath.isExportNamedDeclaration() || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) {
return parentPath.insertBefore(nodes);
} else if (this.isNodeType("Expression") && this.listKey !== "params" && this.listKey !== "arguments" || parentPath.isForStatement() && this.key === "init") {
} else if (this.isNodeType("Expression") && !this.isJSXElement() || parentPath.isForStatement() && this.key === "init") {
if (this.node) nodes.push(this.node);
return this.replaceExpressionWithStatements(nodes);
} else if (Array.isArray(this.container)) {
@ -196,7 +196,7 @@ function unshiftContainer(listKey, nodes) {
key: 0
});
return path.insertBefore(nodes);
return path._containerInsertBefore(nodes);
}
function pushContainer(listKey, nodes) {

View File

@ -206,6 +206,8 @@ function replaceExpressionWithStatements(nodes) {
return this.replaceWith(toSequenceExpression)[0].get("expressions");
}
const functionParent = this.getFunctionParent();
const isParentAsync = functionParent && functionParent.is("async");
const container = t().arrowFunctionExpression([], t().blockStatement(nodes));
this.replaceWith(t().callExpression(container, []));
this.traverse(hoistVariablesVisitor);
@ -235,6 +237,12 @@ function replaceExpressionWithStatements(nodes) {
const callee = this.get("callee");
callee.arrowFunctionToExpression();
if (isParentAsync && _index.default.hasType(this.get("callee.body").node, "AwaitExpression", t().FUNCTION_TYPES)) {
callee.set("async", true);
this.replaceWith(t().awaitExpression(this.node));
}
return callee.get("body.body");
}

View File

@ -5,22 +5,22 @@
},
"bundleDependencies": false,
"dependencies": {
"@babel/code-frame": "^7.0.0",
"@babel/generator": "^7.4.4",
"@babel/code-frame": "^7.5.5",
"@babel/generator": "^7.5.5",
"@babel/helper-function-name": "^7.1.0",
"@babel/helper-split-export-declaration": "^7.4.4",
"@babel/parser": "^7.4.5",
"@babel/types": "^7.4.4",
"@babel/parser": "^7.5.5",
"@babel/types": "^7.5.5",
"debug": "^4.1.0",
"globals": "^11.1.0",
"lodash": "^4.17.11"
"lodash": "^4.17.13"
},
"deprecated": false,
"description": "The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes",
"devDependencies": {
"@babel/helper-plugin-test-runner": "^7.0.0"
},
"gitHead": "33ab4f166117e2380de3955a0842985f578b01b8",
"gitHead": "0407f034f09381b95e9cabefbf6b176c76485a43",
"homepage": "https://babeljs.io/",
"license": "MIT",
"main": "lib/index.js",
@ -32,5 +32,5 @@
"type": "git",
"url": "https://github.com/babel/babel/tree/master/packages/babel-traverse"
},
"version": "7.4.5"
"version": "7.5.5"
}

View File

@ -17,7 +17,7 @@ function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj;
aliases: ["Pattern", "PatternLike", "LVal"],
fields: Object.assign({}, _core.patternLikeCommon, {
left: {
validate: (0, _utils.assertNodeType)("Identifier", "ObjectPattern", "ArrayPattern")
validate: (0, _utils.assertNodeType)("Identifier", "ObjectPattern", "ArrayPattern", "MemberExpression")
},
right: {
validate: (0, _utils.assertNodeType)("Expression")
@ -158,7 +158,8 @@ const classCommon = {
source: {
validate: (0, _utils.assertNodeType)("StringLiteral"),
optional: true
}
},
exportKind: (0, _utils.validateOptional)((0, _utils.assertOneOf)("type", "value"))
}
});
(0, _utils.default)("ExportSpecifier", {
@ -354,7 +355,17 @@ exports.classMethodOrDeclareMethodCommon = classMethodOrDeclareMethodCommon;
(0, _utils.default)("TemplateElement", {
builder: ["value", "tail"],
fields: {
value: {},
value: {
validate: (0, _utils.assertShape)({
raw: {
validate: (0, _utils.assertValueType)("string")
},
cooked: {
validate: (0, _utils.assertValueType)("string"),
optional: true
}
})
},
tail: {
validate: (0, _utils.assertValueType)("boolean"),
default: false

View File

@ -118,7 +118,7 @@ defineInterfaceishType("DeclareInterface");
aliases: ["Flow", "FlowDeclaration", "Statement", "Declaration"],
fields: {
source: (0, _utils.validateType)("StringLiteral"),
exportKind: (0, _utils.validateOptional)((0, _utils.assertOneOf)(["type", "value"]))
exportKind: (0, _utils.validateOptional)((0, _utils.assertOneOf)("type", "value"))
}
});
(0, _utils.default)("DeclaredPredicate", {

View File

@ -319,6 +319,7 @@ const unionOrIntersection = {
}
});
(0, _utils.default)("TSModuleBlock", {
aliases: ["Scopable", "Block", "BlockParent"],
visitor: ["body"],
fields: {
body: (0, _utils.validateArrayOfType)("Statement")

View File

@ -16,12 +16,15 @@ exports.assertOneOf = assertOneOf;
exports.assertNodeType = assertNodeType;
exports.assertNodeOrValueType = assertNodeOrValueType;
exports.assertValueType = assertValueType;
exports.assertShape = assertShape;
exports.chain = chain;
exports.default = defineType;
exports.DEPRECATED_KEYS = exports.BUILDER_KEYS = exports.NODE_FIELDS = exports.FLIPPED_ALIAS_KEYS = exports.ALIAS_KEYS = exports.VISITOR_KEYS = void 0;
var _is = _interopRequireDefault(require("../validators/is"));
var _validate = require("../validators/validate");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const VISITOR_KEYS = {};
@ -166,6 +169,32 @@ function assertValueType(type) {
return validate;
}
function assertShape(shape) {
function validate(node, key, val) {
const errors = [];
for (const property of Object.keys(shape)) {
try {
(0, _validate.validateField)(node, property, val[property], shape[property]);
} catch (error) {
if (error instanceof TypeError) {
errors.push(error.message);
continue;
}
throw error;
}
}
if (errors.length) {
throw new TypeError(`Property ${key} of ${node.type} expected to have the following:\n${errors.join("\n")}`);
}
}
validate.shapeOf = shape;
return validate;
}
function chain(...fns) {
function validate(...args) {
for (const fn of fns) {

View File

@ -372,7 +372,7 @@ declare class BabelNodeWithStatement extends BabelNode {
declare class BabelNodeAssignmentPattern extends BabelNode {
type: "AssignmentPattern";
left: BabelNodeIdentifier | BabelNodeObjectPattern | BabelNodeArrayPattern;
left: BabelNodeIdentifier | BabelNodeObjectPattern | BabelNodeArrayPattern | BabelNodeMemberExpression;
right: BabelNodeExpression;
decorators?: Array<BabelNodeDecorator>;
typeAnnotation?: BabelNodeTypeAnnotation | BabelNodeTSTypeAnnotation | BabelNodeNoop;
@ -440,6 +440,7 @@ declare class BabelNodeExportNamedDeclaration extends BabelNode {
declaration?: BabelNodeDeclaration;
specifiers: Array<BabelNodeExportSpecifier | BabelNodeExportDefaultSpecifier | BabelNodeExportNamespaceSpecifier>;
source?: BabelNodeStringLiteral;
exportKind?: "type" | "value";
}
declare class BabelNodeExportSpecifier extends BabelNode {
@ -528,7 +529,7 @@ declare class BabelNodeTaggedTemplateExpression extends BabelNode {
declare class BabelNodeTemplateElement extends BabelNode {
type: "TemplateElement";
value: any;
value: { raw: string, cooked?: string };
tail?: boolean;
}
@ -635,7 +636,7 @@ declare class BabelNodeDeclareExportDeclaration extends BabelNode {
declare class BabelNodeDeclareExportAllDeclaration extends BabelNode {
type: "DeclareExportAllDeclaration";
source: BabelNodeStringLiteral;
exportKind?: ["type","value"];
exportKind?: "type" | "value";
}
declare class BabelNodeDeclaredPredicate extends BabelNode {
@ -1423,9 +1424,9 @@ declare class BabelNodeTSTypeParameter extends BabelNode {
type BabelNodeExpression = BabelNodeArrayExpression | BabelNodeAssignmentExpression | BabelNodeBinaryExpression | BabelNodeCallExpression | BabelNodeConditionalExpression | BabelNodeFunctionExpression | BabelNodeIdentifier | BabelNodeStringLiteral | BabelNodeNumericLiteral | BabelNodeNullLiteral | BabelNodeBooleanLiteral | BabelNodeRegExpLiteral | BabelNodeLogicalExpression | BabelNodeMemberExpression | BabelNodeNewExpression | BabelNodeObjectExpression | BabelNodeSequenceExpression | BabelNodeParenthesizedExpression | BabelNodeThisExpression | BabelNodeUnaryExpression | BabelNodeUpdateExpression | BabelNodeArrowFunctionExpression | BabelNodeClassExpression | BabelNodeMetaProperty | BabelNodeSuper | BabelNodeTaggedTemplateExpression | BabelNodeTemplateLiteral | BabelNodeYieldExpression | BabelNodeTypeCastExpression | BabelNodeJSXElement | BabelNodeJSXFragment | BabelNodeAwaitExpression | BabelNodeBindExpression | BabelNodeOptionalMemberExpression | BabelNodePipelinePrimaryTopicReference | BabelNodeOptionalCallExpression | BabelNodeImport | BabelNodeDoExpression | BabelNodeBigIntLiteral | BabelNodeTSAsExpression | BabelNodeTSTypeAssertion | BabelNodeTSNonNullExpression;
type BabelNodeBinary = BabelNodeBinaryExpression | BabelNodeLogicalExpression;
type BabelNodeScopable = BabelNodeBlockStatement | BabelNodeCatchClause | BabelNodeDoWhileStatement | BabelNodeForInStatement | BabelNodeForStatement | BabelNodeFunctionDeclaration | BabelNodeFunctionExpression | BabelNodeProgram | BabelNodeObjectMethod | BabelNodeSwitchStatement | BabelNodeWhileStatement | BabelNodeArrowFunctionExpression | BabelNodeClassDeclaration | BabelNodeClassExpression | BabelNodeForOfStatement | BabelNodeClassMethod | BabelNodeClassPrivateMethod;
type BabelNodeBlockParent = BabelNodeBlockStatement | BabelNodeCatchClause | BabelNodeDoWhileStatement | BabelNodeForInStatement | BabelNodeForStatement | BabelNodeFunctionDeclaration | BabelNodeFunctionExpression | BabelNodeProgram | BabelNodeObjectMethod | BabelNodeSwitchStatement | BabelNodeWhileStatement | BabelNodeArrowFunctionExpression | BabelNodeForOfStatement | BabelNodeClassMethod | BabelNodeClassPrivateMethod;
type BabelNodeBlock = BabelNodeBlockStatement | BabelNodeProgram;
type BabelNodeScopable = BabelNodeBlockStatement | BabelNodeCatchClause | BabelNodeDoWhileStatement | BabelNodeForInStatement | BabelNodeForStatement | BabelNodeFunctionDeclaration | BabelNodeFunctionExpression | BabelNodeProgram | BabelNodeObjectMethod | BabelNodeSwitchStatement | BabelNodeWhileStatement | BabelNodeArrowFunctionExpression | BabelNodeClassDeclaration | BabelNodeClassExpression | BabelNodeForOfStatement | BabelNodeClassMethod | BabelNodeClassPrivateMethod | BabelNodeTSModuleBlock;
type BabelNodeBlockParent = BabelNodeBlockStatement | BabelNodeCatchClause | BabelNodeDoWhileStatement | BabelNodeForInStatement | BabelNodeForStatement | BabelNodeFunctionDeclaration | BabelNodeFunctionExpression | BabelNodeProgram | BabelNodeObjectMethod | BabelNodeSwitchStatement | BabelNodeWhileStatement | BabelNodeArrowFunctionExpression | BabelNodeForOfStatement | BabelNodeClassMethod | BabelNodeClassPrivateMethod | BabelNodeTSModuleBlock;
type BabelNodeBlock = BabelNodeBlockStatement | BabelNodeProgram | BabelNodeTSModuleBlock;
type BabelNodeStatement = BabelNodeBlockStatement | BabelNodeBreakStatement | BabelNodeContinueStatement | BabelNodeDebuggerStatement | BabelNodeDoWhileStatement | BabelNodeEmptyStatement | BabelNodeExpressionStatement | BabelNodeForInStatement | BabelNodeForStatement | BabelNodeFunctionDeclaration | BabelNodeIfStatement | BabelNodeLabeledStatement | BabelNodeReturnStatement | BabelNodeSwitchStatement | BabelNodeThrowStatement | BabelNodeTryStatement | BabelNodeVariableDeclaration | BabelNodeWhileStatement | BabelNodeWithStatement | BabelNodeClassDeclaration | BabelNodeExportAllDeclaration | BabelNodeExportDefaultDeclaration | BabelNodeExportNamedDeclaration | BabelNodeForOfStatement | BabelNodeImportDeclaration | BabelNodeDeclareClass | BabelNodeDeclareFunction | BabelNodeDeclareInterface | BabelNodeDeclareModule | BabelNodeDeclareModuleExports | BabelNodeDeclareTypeAlias | BabelNodeDeclareOpaqueType | BabelNodeDeclareVariable | BabelNodeDeclareExportDeclaration | BabelNodeDeclareExportAllDeclaration | BabelNodeInterfaceDeclaration | BabelNodeOpaqueType | BabelNodeTypeAlias | BabelNodeTSDeclareFunction | BabelNodeTSInterfaceDeclaration | BabelNodeTSTypeAliasDeclaration | BabelNodeTSEnumDeclaration | BabelNodeTSModuleDeclaration | BabelNodeTSImportEqualsDeclaration | BabelNodeTSExportAssignment | BabelNodeTSNamespaceExportDeclaration;
type BabelNodeTerminatorless = BabelNodeBreakStatement | BabelNodeContinueStatement | BabelNodeReturnStatement | BabelNodeThrowStatement | BabelNodeYieldExpression | BabelNodeAwaitExpression;
type BabelNodeCompletionStatement = BabelNodeBreakStatement | BabelNodeContinueStatement | BabelNodeReturnStatement | BabelNodeThrowStatement;
@ -1516,7 +1517,7 @@ declare module "@babel/types" {
declare function variableDeclarator(id: BabelNodeLVal, init?: BabelNodeExpression, definite?: boolean): BabelNodeVariableDeclarator;
declare function whileStatement(test: BabelNodeExpression, body: BabelNodeBlockStatement | BabelNodeStatement): BabelNodeWhileStatement;
declare function withStatement(object: BabelNodeExpression, body: BabelNodeBlockStatement | BabelNodeStatement): BabelNodeWithStatement;
declare function assignmentPattern(left: BabelNodeIdentifier | BabelNodeObjectPattern | BabelNodeArrayPattern, right: BabelNodeExpression, decorators?: Array<BabelNodeDecorator>, typeAnnotation?: BabelNodeTypeAnnotation | BabelNodeTSTypeAnnotation | BabelNodeNoop): BabelNodeAssignmentPattern;
declare function assignmentPattern(left: BabelNodeIdentifier | BabelNodeObjectPattern | BabelNodeArrayPattern | BabelNodeMemberExpression, right: BabelNodeExpression, decorators?: Array<BabelNodeDecorator>, typeAnnotation?: BabelNodeTypeAnnotation | BabelNodeTSTypeAnnotation | BabelNodeNoop): BabelNodeAssignmentPattern;
declare function arrayPattern(elements: Array<BabelNodePatternLike>, decorators?: Array<BabelNodeDecorator>, typeAnnotation?: BabelNodeTypeAnnotation | BabelNodeTSTypeAnnotation | BabelNodeNoop): BabelNodeArrayPattern;
declare function arrowFunctionExpression(params: Array<BabelNodeIdentifier | BabelNodePattern | BabelNodeRestElement | BabelNodeTSParameterProperty>, body: BabelNodeBlockStatement | BabelNodeExpression, async?: boolean, expression?: boolean, generator?: boolean, returnType?: BabelNodeTypeAnnotation | BabelNodeTSTypeAnnotation | BabelNodeNoop, typeParameters?: BabelNodeTypeParameterDeclaration | BabelNodeTSTypeParameterDeclaration | BabelNodeNoop): BabelNodeArrowFunctionExpression;
declare function classBody(body: Array<BabelNodeClassMethod | BabelNodeClassPrivateMethod | BabelNodeClassProperty | BabelNodeClassPrivateProperty | BabelNodeTSDeclareMethod | BabelNodeTSIndexSignature>): BabelNodeClassBody;
@ -1524,7 +1525,7 @@ declare module "@babel/types" {
declare function classExpression(id?: BabelNodeIdentifier, superClass?: BabelNodeExpression, body: BabelNodeClassBody, decorators?: Array<BabelNodeDecorator>, _implements?: Array<BabelNodeTSExpressionWithTypeArguments | BabelNodeClassImplements>, mixins?: any, superTypeParameters?: BabelNodeTypeParameterInstantiation | BabelNodeTSTypeParameterInstantiation, typeParameters?: BabelNodeTypeParameterDeclaration | BabelNodeTSTypeParameterDeclaration | BabelNodeNoop): BabelNodeClassExpression;
declare function exportAllDeclaration(source: BabelNodeStringLiteral): BabelNodeExportAllDeclaration;
declare function exportDefaultDeclaration(declaration: BabelNodeFunctionDeclaration | BabelNodeTSDeclareFunction | BabelNodeClassDeclaration | BabelNodeExpression): BabelNodeExportDefaultDeclaration;
declare function exportNamedDeclaration(declaration?: BabelNodeDeclaration, specifiers: Array<BabelNodeExportSpecifier | BabelNodeExportDefaultSpecifier | BabelNodeExportNamespaceSpecifier>, source?: BabelNodeStringLiteral): BabelNodeExportNamedDeclaration;
declare function exportNamedDeclaration(declaration?: BabelNodeDeclaration, specifiers: Array<BabelNodeExportSpecifier | BabelNodeExportDefaultSpecifier | BabelNodeExportNamespaceSpecifier>, source?: BabelNodeStringLiteral, exportKind?: "type" | "value"): BabelNodeExportNamedDeclaration;
declare function exportSpecifier(local: BabelNodeIdentifier, exported: BabelNodeIdentifier): BabelNodeExportSpecifier;
declare function forOfStatement(left: BabelNodeVariableDeclaration | BabelNodeLVal, right: BabelNodeExpression, body: BabelNodeStatement, _await?: boolean): BabelNodeForOfStatement;
declare function importDeclaration(specifiers: Array<BabelNodeImportSpecifier | BabelNodeImportDefaultSpecifier | BabelNodeImportNamespaceSpecifier>, source: BabelNodeStringLiteral, importKind?: "type" | "typeof" | "value"): BabelNodeImportDeclaration;
@ -1536,7 +1537,7 @@ declare module "@babel/types" {
declare function objectPattern(properties: Array<BabelNodeRestElement | BabelNodeObjectProperty>, decorators?: Array<BabelNodeDecorator>, typeAnnotation?: BabelNodeTypeAnnotation | BabelNodeTSTypeAnnotation | BabelNodeNoop): BabelNodeObjectPattern;
declare function spreadElement(argument: BabelNodeExpression): BabelNodeSpreadElement;
declare function taggedTemplateExpression(tag: BabelNodeExpression, quasi: BabelNodeTemplateLiteral, typeParameters?: BabelNodeTypeParameterInstantiation | BabelNodeTSTypeParameterInstantiation): BabelNodeTaggedTemplateExpression;
declare function templateElement(value: any, tail?: boolean): BabelNodeTemplateElement;
declare function templateElement(value: { raw: string, cooked?: string }, tail?: boolean): BabelNodeTemplateElement;
declare function templateLiteral(quasis: Array<BabelNodeTemplateElement>, expressions: Array<BabelNodeExpression>): BabelNodeTemplateLiteral;
declare function yieldExpression(argument?: BabelNodeExpression, delegate?: boolean): BabelNodeYieldExpression;
declare function anyTypeAnnotation(): BabelNodeAnyTypeAnnotation;
@ -1554,7 +1555,7 @@ declare module "@babel/types" {
declare function declareOpaqueType(id: BabelNodeIdentifier, typeParameters?: BabelNodeTypeParameterDeclaration, supertype?: BabelNodeFlowType): BabelNodeDeclareOpaqueType;
declare function declareVariable(id: BabelNodeIdentifier): BabelNodeDeclareVariable;
declare function declareExportDeclaration(declaration?: BabelNodeFlow, specifiers?: Array<BabelNodeExportSpecifier | BabelNodeExportNamespaceSpecifier>, source?: BabelNodeStringLiteral, _default?: boolean): BabelNodeDeclareExportDeclaration;
declare function declareExportAllDeclaration(source: BabelNodeStringLiteral, exportKind?: ["type","value"]): BabelNodeDeclareExportAllDeclaration;
declare function declareExportAllDeclaration(source: BabelNodeStringLiteral, exportKind?: "type" | "value"): BabelNodeDeclareExportAllDeclaration;
declare function declaredPredicate(value: BabelNodeFlow): BabelNodeDeclaredPredicate;
declare function existsTypeAnnotation(): BabelNodeExistsTypeAnnotation;
declare function functionTypeAnnotation(typeParameters?: BabelNodeTypeParameterDeclaration, params: Array<BabelNodeFunctionTypeParam>, rest?: BabelNodeFunctionTypeParam, returnType: BabelNodeFlowType): BabelNodeFunctionTypeAnnotation;

View File

@ -3656,7 +3656,7 @@ function isScopable(node, opts) {
if (!node) return false;
const nodeType = node.type;
if (nodeType === "Scopable" || "BlockStatement" === nodeType || "CatchClause" === nodeType || "DoWhileStatement" === nodeType || "ForInStatement" === nodeType || "ForStatement" === nodeType || "FunctionDeclaration" === nodeType || "FunctionExpression" === nodeType || "Program" === nodeType || "ObjectMethod" === nodeType || "SwitchStatement" === nodeType || "WhileStatement" === nodeType || "ArrowFunctionExpression" === nodeType || "ClassDeclaration" === nodeType || "ClassExpression" === nodeType || "ForOfStatement" === nodeType || "ClassMethod" === nodeType || "ClassPrivateMethod" === nodeType || nodeType === "Placeholder" && "BlockStatement" === node.expectedNode) {
if (nodeType === "Scopable" || "BlockStatement" === nodeType || "CatchClause" === nodeType || "DoWhileStatement" === nodeType || "ForInStatement" === nodeType || "ForStatement" === nodeType || "FunctionDeclaration" === nodeType || "FunctionExpression" === nodeType || "Program" === nodeType || "ObjectMethod" === nodeType || "SwitchStatement" === nodeType || "WhileStatement" === nodeType || "ArrowFunctionExpression" === nodeType || "ClassDeclaration" === nodeType || "ClassExpression" === nodeType || "ForOfStatement" === nodeType || "ClassMethod" === nodeType || "ClassPrivateMethod" === nodeType || "TSModuleBlock" === nodeType || nodeType === "Placeholder" && "BlockStatement" === node.expectedNode) {
if (typeof opts === "undefined") {
return true;
} else {
@ -3671,7 +3671,7 @@ function isBlockParent(node, opts) {
if (!node) return false;
const nodeType = node.type;
if (nodeType === "BlockParent" || "BlockStatement" === nodeType || "CatchClause" === nodeType || "DoWhileStatement" === nodeType || "ForInStatement" === nodeType || "ForStatement" === nodeType || "FunctionDeclaration" === nodeType || "FunctionExpression" === nodeType || "Program" === nodeType || "ObjectMethod" === nodeType || "SwitchStatement" === nodeType || "WhileStatement" === nodeType || "ArrowFunctionExpression" === nodeType || "ForOfStatement" === nodeType || "ClassMethod" === nodeType || "ClassPrivateMethod" === nodeType || nodeType === "Placeholder" && "BlockStatement" === node.expectedNode) {
if (nodeType === "BlockParent" || "BlockStatement" === nodeType || "CatchClause" === nodeType || "DoWhileStatement" === nodeType || "ForInStatement" === nodeType || "ForStatement" === nodeType || "FunctionDeclaration" === nodeType || "FunctionExpression" === nodeType || "Program" === nodeType || "ObjectMethod" === nodeType || "SwitchStatement" === nodeType || "WhileStatement" === nodeType || "ArrowFunctionExpression" === nodeType || "ForOfStatement" === nodeType || "ClassMethod" === nodeType || "ClassPrivateMethod" === nodeType || "TSModuleBlock" === nodeType || nodeType === "Placeholder" && "BlockStatement" === node.expectedNode) {
if (typeof opts === "undefined") {
return true;
} else {
@ -3686,7 +3686,7 @@ function isBlock(node, opts) {
if (!node) return false;
const nodeType = node.type;
if (nodeType === "Block" || "BlockStatement" === nodeType || "Program" === nodeType || nodeType === "Placeholder" && "BlockStatement" === node.expectedNode) {
if (nodeType === "Block" || "BlockStatement" === nodeType || "Program" === nodeType || "TSModuleBlock" === nodeType || nodeType === "Placeholder" && "BlockStatement" === node.expectedNode) {
if (typeof opts === "undefined") {
return true;
} else {

View File

@ -4,6 +4,7 @@ Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = validate;
exports.validateField = validateField;
var _definitions = require("../definitions");
@ -12,6 +13,10 @@ function validate(node, key, val) {
const fields = _definitions.NODE_FIELDS[node.type];
if (!fields) return;
const field = fields[key];
validateField(node, key, val, field);
}
function validateField(node, key, val, field) {
if (!field || !field.validate) return;
if (field.optional && val == null) return;
field.validate(node, key, val);

View File

@ -6,16 +6,16 @@
"bundleDependencies": false,
"dependencies": {
"esutils": "^2.0.2",
"lodash": "^4.17.11",
"lodash": "^4.17.13",
"to-fast-properties": "^2.0.0"
},
"deprecated": false,
"description": "Babel Types is a Lodash-esque utility library for AST nodes",
"devDependencies": {
"@babel/generator": "^7.4.4",
"@babel/parser": "^7.4.4"
"@babel/generator": "^7.5.5",
"@babel/parser": "^7.5.5"
},
"gitHead": "2c88694388831b1e5b88e4bbed6781eb2be1edba",
"gitHead": "0407f034f09381b95e9cabefbf6b176c76485a43",
"homepage": "https://babeljs.io/",
"license": "MIT",
"main": "lib/index.js",
@ -25,5 +25,5 @@
"url": "https://github.com/babel/babel/tree/master/packages/babel-types"
},
"types": "lib/index.d.ts",
"version": "7.4.4"
"version": "7.5.5"
}

View File

@ -31,6 +31,29 @@ module.exports = function stringifyValidator(validator, nodePrefix) {
return validator.type;
}
if (validator.shapeOf) {
return (
"{ " +
Object.keys(validator.shapeOf)
.map(shapeKey => {
const propertyDefinition = validator.shapeOf[shapeKey];
if (propertyDefinition.validate) {
const isOptional =
propertyDefinition.optional || propertyDefinition.default != null;
return (
shapeKey +
(isOptional ? "?: " : ": ") +
stringifyValidator(propertyDefinition.validate)
);
}
return null;
})
.filter(Boolean)
.join(", ") +
" }"
);
}
return ["any"];
};

View File

@ -1,23 +0,0 @@
eslint-scope
Copyright JS Foundation and other contributors, https://js.foundation
Copyright (C) 2012-2013 Yusuke Suzuki (twitter: @Constellation) and other contributors.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

View File

@ -1,54 +0,0 @@
# ESLint Scope
ESLint Scope is the [ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm) scope analyzer used in ESLint. It is a fork of [escope](http://github.com/estools/escope).
## Usage
Install:
```
npm i eslint-scope --save
```
Example:
```js
var eslintScope = require('eslint-scope');
var espree = require('espree');
var estraverse = require('estraverse');
var ast = espree.parse(code);
var scopeManager = eslintScope.analyze(ast);
var currentScope = scopeManager.acquire(ast); // global scope
estraverse.traverse(ast, {
enter: function(node, parent) {
// do stuff
if (/Function/.test(node.type)) {
currentScope = scopeManager.acquire(node); // get current function scope
}
},
leave: function(node, parent) {
if (/Function/.test(node.type)) {
currentScope = currentScope.upper; // set to parent scope
}
// do stuff
}
});
```
## Contributing
Issues and pull requests will be triaged and responded to as quickly as possible. We operate under the [ESLint Contributor Guidelines](http://eslint.org/docs/developer-guide/contributing), so please be sure to read them before contributing. If you're not sure where to dig in, check out the [issues](https://github.com/eslint/eslint-scope/issues).
## Build Commands
* `npm test` - run all linting and tests
* `npm run lint` - run all linting
## License
ESLint Scope is licensed under a permissive BSD 2-clause license.

View File

@ -1,86 +0,0 @@
/*
Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
const Variable = require("./variable");
/**
* @class Definition
*/
class Definition {
constructor(type, name, node, parent, index, kind) {
/**
* @member {String} Definition#type - type of the occurrence (e.g. "Parameter", "Variable", ...).
*/
this.type = type;
/**
* @member {espree.Identifier} Definition#name - the identifier AST node of the occurrence.
*/
this.name = name;
/**
* @member {espree.Node} Definition#node - the enclosing node of the identifier.
*/
this.node = node;
/**
* @member {espree.Node?} Definition#parent - the enclosing statement node of the identifier.
*/
this.parent = parent;
/**
* @member {Number?} Definition#index - the index in the declaration statement.
*/
this.index = index;
/**
* @member {String?} Definition#kind - the kind of the declaration statement.
*/
this.kind = kind;
}
}
/**
* @class ParameterDefinition
*/
class ParameterDefinition extends Definition {
constructor(name, node, index, rest) {
super(Variable.Parameter, name, node, null, index, null);
/**
* Whether the parameter definition is a part of a rest parameter.
* @member {boolean} ParameterDefinition#rest
*/
this.rest = rest;
}
}
module.exports = {
ParameterDefinition,
Definition
};
/* vim: set sw=4 ts=4 et tw=80 : */

View File

@ -1,165 +0,0 @@
/*
Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com>
Copyright (C) 2013 Alex Seville <hi@alexanderseville.com>
Copyright (C) 2014 Thiago de Arruda <tpadilha84@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Escope (<a href="http://github.com/estools/escope">escope</a>) is an <a
* href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a>
* scope analyzer extracted from the <a
* href="http://github.com/estools/esmangle">esmangle project</a/>.
* <p>
* <em>escope</em> finds lexical scopes in a source program, i.e. areas of that
* program where different occurrences of the same identifier refer to the same
* variable. With each scope the contained variables are collected, and each
* identifier reference in code is linked to its corresponding variable (if
* possible).
* <p>
* <em>escope</em> works on a syntax tree of the parsed source code which has
* to adhere to the <a
* href="https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API">
* Mozilla Parser API</a>. E.g. <a href="https://github.com/eslint/espree">espree</a> is a parser
* that produces such syntax trees.
* <p>
* The main interface is the {@link analyze} function.
* @module escope
*/
"use strict";
/* eslint no-underscore-dangle: ["error", { "allow": ["__currentScope"] }] */
const assert = require("assert");
const ScopeManager = require("./scope-manager");
const Referencer = require("./referencer");
const Reference = require("./reference");
const Variable = require("./variable");
const Scope = require("./scope").Scope;
const version = require("../package.json").version;
/**
* Set the default options
* @returns {Object} options
*/
function defaultOptions() {
return {
optimistic: false,
directive: false,
nodejsScope: false,
impliedStrict: false,
sourceType: "script", // one of ['script', 'module']
ecmaVersion: 5,
childVisitorKeys: null,
fallback: "iteration"
};
}
/**
* Preform deep update on option object
* @param {Object} target - Options
* @param {Object} override - Updates
* @returns {Object} Updated options
*/
function updateDeeply(target, override) {
/**
* Is hash object
* @param {Object} value - Test value
* @returns {boolean} Result
*/
function isHashObject(value) {
return typeof value === "object" && value instanceof Object && !(value instanceof Array) && !(value instanceof RegExp);
}
for (const key in override) {
if (override.hasOwnProperty(key)) {
const val = override[key];
if (isHashObject(val)) {
if (isHashObject(target[key])) {
updateDeeply(target[key], val);
} else {
target[key] = updateDeeply({}, val);
}
} else {
target[key] = val;
}
}
}
return target;
}
/**
* Main interface function. Takes an Espree syntax tree and returns the
* analyzed scopes.
* @function analyze
* @param {espree.Tree} tree - Abstract Syntax Tree
* @param {Object} providedOptions - Options that tailor the scope analysis
* @param {boolean} [providedOptions.optimistic=false] - the optimistic flag
* @param {boolean} [providedOptions.directive=false]- the directive flag
* @param {boolean} [providedOptions.ignoreEval=false]- whether to check 'eval()' calls
* @param {boolean} [providedOptions.nodejsScope=false]- whether the whole
* script is executed under node.js environment. When enabled, escope adds
* a function scope immediately following the global scope.
* @param {boolean} [providedOptions.impliedStrict=false]- implied strict mode
* (if ecmaVersion >= 5).
* @param {string} [providedOptions.sourceType='script']- the source type of the script. one of 'script' and 'module'
* @param {number} [providedOptions.ecmaVersion=5]- which ECMAScript version is considered
* @param {Object} [providedOptions.childVisitorKeys=null] - Additional known visitor keys. See [esrecurse](https://github.com/estools/esrecurse)'s the `childVisitorKeys` option.
* @param {string} [providedOptions.fallback='iteration'] - A kind of the fallback in order to encounter with unknown node. See [esrecurse](https://github.com/estools/esrecurse)'s the `fallback` option.
* @returns {ScopeManager} ScopeManager
*/
function analyze(tree, providedOptions) {
const options = updateDeeply(defaultOptions(), providedOptions);
const scopeManager = new ScopeManager(options);
const referencer = new Referencer(options, scopeManager);
referencer.visit(tree);
assert(scopeManager.__currentScope === null, "currentScope should be null.");
return scopeManager;
}
module.exports = {
/** @name module:escope.version */
version,
/** @name module:escope.Reference */
Reference,
/** @name module:escope.Variable */
Variable,
/** @name module:escope.Scope */
Scope,
/** @name module:escope.ScopeManager */
ScopeManager,
analyze
};
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/*
Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
/* eslint-disable no-undefined */
const Syntax = require("estraverse").Syntax;
const esrecurse = require("esrecurse");
/**
* Get last array element
* @param {array} xs - array
* @returns {any} Last elment
*/
function getLast(xs) {
return xs[xs.length - 1] || null;
}
class PatternVisitor extends esrecurse.Visitor {
static isPattern(node) {
const nodeType = node.type;
return (
nodeType === Syntax.Identifier ||
nodeType === Syntax.ObjectPattern ||
nodeType === Syntax.ArrayPattern ||
nodeType === Syntax.SpreadElement ||
nodeType === Syntax.RestElement ||
nodeType === Syntax.AssignmentPattern
);
}
constructor(options, rootPattern, callback) {
super(null, options);
this.rootPattern = rootPattern;
this.callback = callback;
this.assignments = [];
this.rightHandNodes = [];
this.restElements = [];
}
Identifier(pattern) {
const lastRestElement = getLast(this.restElements);
this.callback(pattern, {
topLevel: pattern === this.rootPattern,
rest: lastRestElement !== null && lastRestElement !== undefined && lastRestElement.argument === pattern,
assignments: this.assignments
});
}
Property(property) {
// Computed property's key is a right hand node.
if (property.computed) {
this.rightHandNodes.push(property.key);
}
// If it's shorthand, its key is same as its value.
// If it's shorthand and has its default value, its key is same as its value.left (the value is AssignmentPattern).
// If it's not shorthand, the name of new variable is its value's.
this.visit(property.value);
}
ArrayPattern(pattern) {
for (let i = 0, iz = pattern.elements.length; i < iz; ++i) {
const element = pattern.elements[i];
this.visit(element);
}
}
AssignmentPattern(pattern) {
this.assignments.push(pattern);
this.visit(pattern.left);
this.rightHandNodes.push(pattern.right);
this.assignments.pop();
}
RestElement(pattern) {
this.restElements.push(pattern);
this.visit(pattern.argument);
this.restElements.pop();
}
MemberExpression(node) {
// Computed property's key is a right hand node.
if (node.computed) {
this.rightHandNodes.push(node.property);
}
// the object is only read, write to its property.
this.rightHandNodes.push(node.object);
}
//
// ForInStatement.left and AssignmentExpression.left are LeftHandSideExpression.
// By spec, LeftHandSideExpression is Pattern or MemberExpression.
// (see also: https://github.com/estree/estree/pull/20#issuecomment-74584758)
// But espree 2.0 parses to ArrayExpression, ObjectExpression, etc...
//
SpreadElement(node) {
this.visit(node.argument);
}
ArrayExpression(node) {
node.elements.forEach(this.visit, this);
}
AssignmentExpression(node) {
this.assignments.push(node);
this.visit(node.left);
this.rightHandNodes.push(node.right);
this.assignments.pop();
}
CallExpression(node) {
// arguments are right hand nodes.
node.arguments.forEach(a => {
this.rightHandNodes.push(a);
});
this.visit(node.callee);
}
}
module.exports = PatternVisitor;
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/*
Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
const READ = 0x1;
const WRITE = 0x2;
const RW = READ | WRITE;
/**
* A Reference represents a single occurrence of an identifier in code.
* @class Reference
*/
class Reference {
constructor(ident, scope, flag, writeExpr, maybeImplicitGlobal, partial, init) {
/**
* Identifier syntax node.
* @member {espreeIdentifier} Reference#identifier
*/
this.identifier = ident;
/**
* Reference to the enclosing Scope.
* @member {Scope} Reference#from
*/
this.from = scope;
/**
* Whether the reference comes from a dynamic scope (such as 'eval',
* 'with', etc.), and may be trapped by dynamic scopes.
* @member {boolean} Reference#tainted
*/
this.tainted = false;
/**
* The variable this reference is resolved with.
* @member {Variable} Reference#resolved
*/
this.resolved = null;
/**
* The read-write mode of the reference. (Value is one of {@link
* Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}).
* @member {number} Reference#flag
* @private
*/
this.flag = flag;
if (this.isWrite()) {
/**
* If reference is writeable, this is the tree being written to it.
* @member {espreeNode} Reference#writeExpr
*/
this.writeExpr = writeExpr;
/**
* Whether the Reference might refer to a partial value of writeExpr.
* @member {boolean} Reference#partial
*/
this.partial = partial;
/**
* Whether the Reference is to write of initialization.
* @member {boolean} Reference#init
*/
this.init = init;
}
this.__maybeImplicitGlobal = maybeImplicitGlobal;
}
/**
* Whether the reference is static.
* @method Reference#isStatic
* @returns {boolean} static
*/
isStatic() {
return !this.tainted && this.resolved && this.resolved.scope.isStatic();
}
/**
* Whether the reference is writeable.
* @method Reference#isWrite
* @returns {boolean} write
*/
isWrite() {
return !!(this.flag & Reference.WRITE);
}
/**
* Whether the reference is readable.
* @method Reference#isRead
* @returns {boolean} read
*/
isRead() {
return !!(this.flag & Reference.READ);
}
/**
* Whether the reference is read-only.
* @method Reference#isReadOnly
* @returns {boolean} read only
*/
isReadOnly() {
return this.flag === Reference.READ;
}
/**
* Whether the reference is write-only.
* @method Reference#isWriteOnly
* @returns {boolean} write only
*/
isWriteOnly() {
return this.flag === Reference.WRITE;
}
/**
* Whether the reference is read-write.
* @method Reference#isReadWrite
* @returns {boolean} read write
*/
isReadWrite() {
return this.flag === Reference.RW;
}
}
/**
* @constant Reference.READ
* @private
*/
Reference.READ = READ;
/**
* @constant Reference.WRITE
* @private
*/
Reference.WRITE = WRITE;
/**
* @constant Reference.RW
* @private
*/
Reference.RW = RW;
module.exports = Reference;
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/*
Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
/* eslint-disable no-underscore-dangle */
/* eslint-disable no-undefined */
const Syntax = require("estraverse").Syntax;
const esrecurse = require("esrecurse");
const Reference = require("./reference");
const Variable = require("./variable");
const PatternVisitor = require("./pattern-visitor");
const definition = require("./definition");
const assert = require("assert");
const ParameterDefinition = definition.ParameterDefinition;
const Definition = definition.Definition;
/**
* Traverse identifier in pattern
* @param {Object} options - options
* @param {pattern} rootPattern - root pattern
* @param {Refencer} referencer - referencer
* @param {callback} callback - callback
* @returns {void}
*/
function traverseIdentifierInPattern(options, rootPattern, referencer, callback) {
// Call the callback at left hand identifier nodes, and Collect right hand nodes.
const visitor = new PatternVisitor(options, rootPattern, callback);
visitor.visit(rootPattern);
// Process the right hand nodes recursively.
if (referencer !== null && referencer !== undefined) {
visitor.rightHandNodes.forEach(referencer.visit, referencer);
}
}
// Importing ImportDeclaration.
// http://people.mozilla.org/~jorendorff/es6-draft.html#sec-moduledeclarationinstantiation
// https://github.com/estree/estree/blob/master/es6.md#importdeclaration
// FIXME: Now, we don't create module environment, because the context is
// implementation dependent.
class Importer extends esrecurse.Visitor {
constructor(declaration, referencer) {
super(null, referencer.options);
this.declaration = declaration;
this.referencer = referencer;
}
visitImport(id, specifier) {
this.referencer.visitPattern(id, pattern => {
this.referencer.currentScope().__define(pattern,
new Definition(
Variable.ImportBinding,
pattern,
specifier,
this.declaration,
null,
null
));
});
}
ImportNamespaceSpecifier(node) {
const local = (node.local || node.id);
if (local) {
this.visitImport(local, node);
}
}
ImportDefaultSpecifier(node) {
const local = (node.local || node.id);
this.visitImport(local, node);
}
ImportSpecifier(node) {
const local = (node.local || node.id);
if (node.name) {
this.visitImport(node.name, node);
} else {
this.visitImport(local, node);
}
}
}
// Referencing variables and creating bindings.
class Referencer extends esrecurse.Visitor {
constructor(options, scopeManager) {
super(null, options);
this.options = options;
this.scopeManager = scopeManager;
this.parent = null;
this.isInnerMethodDefinition = false;
}
currentScope() {
return this.scopeManager.__currentScope;
}
close(node) {
while (this.currentScope() && node === this.currentScope().block) {
this.scopeManager.__currentScope = this.currentScope().__close(this.scopeManager);
}
}
pushInnerMethodDefinition(isInnerMethodDefinition) {
const previous = this.isInnerMethodDefinition;
this.isInnerMethodDefinition = isInnerMethodDefinition;
return previous;
}
popInnerMethodDefinition(isInnerMethodDefinition) {
this.isInnerMethodDefinition = isInnerMethodDefinition;
}
materializeTDZScope(node, iterationNode) {
// http://people.mozilla.org/~jorendorff/es6-draft.html#sec-runtime-semantics-forin-div-ofexpressionevaluation-abstract-operation
// TDZ scope hides the declaration's names.
this.scopeManager.__nestTDZScope(node, iterationNode);
this.visitVariableDeclaration(this.currentScope(), Variable.TDZ, iterationNode.left, 0, true);
}
materializeIterationScope(node) {
// Generate iteration scope for upper ForIn/ForOf Statements.
const letOrConstDecl = node.left;
this.scopeManager.__nestForScope(node);
this.visitVariableDeclaration(this.currentScope(), Variable.Variable, letOrConstDecl, 0);
this.visitPattern(letOrConstDecl.declarations[0].id, pattern => {
this.currentScope().__referencing(pattern, Reference.WRITE, node.right, null, true, true);
});
}
referencingDefaultValue(pattern, assignments, maybeImplicitGlobal, init) {
const scope = this.currentScope();
assignments.forEach(assignment => {
scope.__referencing(
pattern,
Reference.WRITE,
assignment.right,
maybeImplicitGlobal,
pattern !== assignment.left,
init);
});
}
visitPattern(node, options, callback) {
if (typeof options === "function") {
callback = options;
options = { processRightHandNodes: false };
}
traverseIdentifierInPattern(
this.options,
node,
options.processRightHandNodes ? this : null,
callback);
}
visitFunction(node) {
let i, iz;
// FunctionDeclaration name is defined in upper scope
// NOTE: Not referring variableScope. It is intended.
// Since
// in ES5, FunctionDeclaration should be in FunctionBody.
// in ES6, FunctionDeclaration should be block scoped.
if (node.type === Syntax.FunctionDeclaration) {
// id is defined in upper scope
this.currentScope().__define(node.id,
new Definition(
Variable.FunctionName,
node.id,
node,
null,
null,
null
));
}
// FunctionExpression with name creates its special scope;
// FunctionExpressionNameScope.
if (node.type === Syntax.FunctionExpression && node.id) {
this.scopeManager.__nestFunctionExpressionNameScope(node);
}
// Consider this function is in the MethodDefinition.
this.scopeManager.__nestFunctionScope(node, this.isInnerMethodDefinition);
const that = this;
/**
* Visit pattern callback
* @param {pattern} pattern - pattern
* @param {Object} info - info
* @returns {void}
*/
function visitPatternCallback(pattern, info) {
that.currentScope().__define(pattern,
new ParameterDefinition(
pattern,
node,
i,
info.rest
));
that.referencingDefaultValue(pattern, info.assignments, null, true);
}
// Process parameter declarations.
for (i = 0, iz = node.params.length; i < iz; ++i) {
this.visitPattern(node.params[i], { processRightHandNodes: true }, visitPatternCallback);
}
// if there's a rest argument, add that
if (node.rest) {
this.visitPattern({
type: "RestElement",
argument: node.rest
}, pattern => {
this.currentScope().__define(pattern,
new ParameterDefinition(
pattern,
node,
node.params.length,
true
));
});
}
// In TypeScript there are a number of function-like constructs which have no body,
// so check it exists before traversing
if (node.body) {
// Skip BlockStatement to prevent creating BlockStatement scope.
if (node.body.type === Syntax.BlockStatement) {
this.visitChildren(node.body);
} else {
this.visit(node.body);
}
}
this.close(node);
}
visitClass(node) {
if (node.type === Syntax.ClassDeclaration) {
this.currentScope().__define(node.id,
new Definition(
Variable.ClassName,
node.id,
node,
null,
null,
null
));
}
// FIXME: Maybe consider TDZ.
this.visit(node.superClass);
this.scopeManager.__nestClassScope(node);
if (node.id) {
this.currentScope().__define(node.id,
new Definition(
Variable.ClassName,
node.id,
node
));
}
this.visit(node.body);
this.close(node);
}
visitProperty(node) {
let previous;
if (node.computed) {
this.visit(node.key);
}
const isMethodDefinition = node.type === Syntax.MethodDefinition;
if (isMethodDefinition) {
previous = this.pushInnerMethodDefinition(true);
}
this.visit(node.value);
if (isMethodDefinition) {
this.popInnerMethodDefinition(previous);
}
}
visitForIn(node) {
if (node.left.type === Syntax.VariableDeclaration && node.left.kind !== "var") {
this.materializeTDZScope(node.right, node);
this.visit(node.right);
this.close(node.right);
this.materializeIterationScope(node);
this.visit(node.body);
this.close(node);
} else {
if (node.left.type === Syntax.VariableDeclaration) {
this.visit(node.left);
this.visitPattern(node.left.declarations[0].id, pattern => {
this.currentScope().__referencing(pattern, Reference.WRITE, node.right, null, true, true);
});
} else {
this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => {
let maybeImplicitGlobal = null;
if (!this.currentScope().isStrict) {
maybeImplicitGlobal = {
pattern,
node
};
}
this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, true, false);
});
}
this.visit(node.right);
this.visit(node.body);
}
}
visitVariableDeclaration(variableTargetScope, type, node, index, fromTDZ) {
// If this was called to initialize a TDZ scope, this needs to make definitions, but doesn't make references.
const decl = node.declarations[index];
const init = decl.init;
this.visitPattern(decl.id, { processRightHandNodes: !fromTDZ }, (pattern, info) => {
variableTargetScope.__define(pattern,
new Definition(
type,
pattern,
decl,
node,
index,
node.kind
));
if (!fromTDZ) {
this.referencingDefaultValue(pattern, info.assignments, null, true);
}
if (init) {
this.currentScope().__referencing(pattern, Reference.WRITE, init, null, !info.topLevel, true);
}
});
}
AssignmentExpression(node) {
if (PatternVisitor.isPattern(node.left)) {
if (node.operator === "=") {
this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => {
let maybeImplicitGlobal = null;
if (!this.currentScope().isStrict) {
maybeImplicitGlobal = {
pattern,
node
};
}
this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, !info.topLevel, false);
});
} else {
this.currentScope().__referencing(node.left, Reference.RW, node.right);
}
} else {
this.visit(node.left);
}
this.visit(node.right);
}
CatchClause(node) {
this.scopeManager.__nestCatchScope(node);
this.visitPattern(node.param, { processRightHandNodes: true }, (pattern, info) => {
this.currentScope().__define(pattern,
new Definition(
Variable.CatchClause,
node.param,
node,
null,
null,
null
));
this.referencingDefaultValue(pattern, info.assignments, null, true);
});
this.visit(node.body);
this.close(node);
}
Program(node) {
this.scopeManager.__nestGlobalScope(node);
if (this.scopeManager.__isNodejsScope()) {
// Force strictness of GlobalScope to false when using node.js scope.
this.currentScope().isStrict = false;
this.scopeManager.__nestFunctionScope(node, false);
}
if (this.scopeManager.__isES6() && this.scopeManager.isModule()) {
this.scopeManager.__nestModuleScope(node);
}
if (this.scopeManager.isStrictModeSupported() && this.scopeManager.isImpliedStrict()) {
this.currentScope().isStrict = true;
}
this.visitChildren(node);
this.close(node);
}
Identifier(node) {
this.currentScope().__referencing(node);
}
UpdateExpression(node) {
if (PatternVisitor.isPattern(node.argument)) {
this.currentScope().__referencing(node.argument, Reference.RW, null);
} else {
this.visitChildren(node);
}
}
MemberExpression(node) {
this.visit(node.object);
if (node.computed) {
this.visit(node.property);
}
}
Property(node) {
this.visitProperty(node);
}
MethodDefinition(node) {
this.visitProperty(node);
}
BreakStatement() {} // eslint-disable-line class-methods-use-this
ContinueStatement() {} // eslint-disable-line class-methods-use-this
LabeledStatement(node) {
this.visit(node.body);
}
ForStatement(node) {
// Create ForStatement declaration.
// NOTE: In ES6, ForStatement dynamically generates
// per iteration environment. However, escope is
// a static analyzer, we only generate one scope for ForStatement.
if (node.init && node.init.type === Syntax.VariableDeclaration && node.init.kind !== "var") {
this.scopeManager.__nestForScope(node);
}
this.visitChildren(node);
this.close(node);
}
ClassExpression(node) {
this.visitClass(node);
}
ClassDeclaration(node) {
this.visitClass(node);
}
CallExpression(node) {
// Check this is direct call to eval
if (!this.scopeManager.__ignoreEval() && node.callee.type === Syntax.Identifier && node.callee.name === "eval") {
// NOTE: This should be `variableScope`. Since direct eval call always creates Lexical environment and
// let / const should be enclosed into it. Only VariableDeclaration affects on the caller's environment.
this.currentScope().variableScope.__detectEval();
}
this.visitChildren(node);
}
BlockStatement(node) {
if (this.scopeManager.__isES6()) {
this.scopeManager.__nestBlockScope(node);
}
this.visitChildren(node);
this.close(node);
}
ThisExpression() {
this.currentScope().variableScope.__detectThis();
}
WithStatement(node) {
this.visit(node.object);
// Then nest scope for WithStatement.
this.scopeManager.__nestWithScope(node);
this.visit(node.body);
this.close(node);
}
VariableDeclaration(node) {
const variableTargetScope = (node.kind === "var") ? this.currentScope().variableScope : this.currentScope();
for (let i = 0, iz = node.declarations.length; i < iz; ++i) {
const decl = node.declarations[i];
this.visitVariableDeclaration(variableTargetScope, Variable.Variable, node, i);
if (decl.init) {
this.visit(decl.init);
}
}
}
// sec 13.11.8
SwitchStatement(node) {
this.visit(node.discriminant);
if (this.scopeManager.__isES6()) {
this.scopeManager.__nestSwitchScope(node);
}
for (let i = 0, iz = node.cases.length; i < iz; ++i) {
this.visit(node.cases[i]);
}
this.close(node);
}
FunctionDeclaration(node) {
this.visitFunction(node);
}
FunctionExpression(node) {
this.visitFunction(node);
}
ForOfStatement(node) {
this.visitForIn(node);
}
ForInStatement(node) {
this.visitForIn(node);
}
ArrowFunctionExpression(node) {
this.visitFunction(node);
}
ImportDeclaration(node) {
assert(this.scopeManager.__isES6() && this.scopeManager.isModule(), "ImportDeclaration should appear when the mode is ES6 and in the module context.");
const importer = new Importer(node, this);
importer.visit(node);
}
visitExportDeclaration(node) {
if (node.source) {
return;
}
if (node.declaration) {
this.visit(node.declaration);
return;
}
this.visitChildren(node);
}
ExportDeclaration(node) {
this.visitExportDeclaration(node);
}
ExportNamedDeclaration(node) {
this.visitExportDeclaration(node);
}
ExportSpecifier(node) {
const local = (node.id || node.local);
this.visit(local);
}
MetaProperty() { // eslint-disable-line class-methods-use-this
// do nothing.
}
}
module.exports = Referencer;
/* vim: set sw=4 ts=4 et tw=80 : */

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@ -1,255 +0,0 @@
/*
Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
/* eslint-disable no-underscore-dangle */
const Scope = require("./scope");
const assert = require("assert");
const GlobalScope = Scope.GlobalScope;
const CatchScope = Scope.CatchScope;
const WithScope = Scope.WithScope;
const ModuleScope = Scope.ModuleScope;
const ClassScope = Scope.ClassScope;
const SwitchScope = Scope.SwitchScope;
const FunctionScope = Scope.FunctionScope;
const ForScope = Scope.ForScope;
const TDZScope = Scope.TDZScope;
const FunctionExpressionNameScope = Scope.FunctionExpressionNameScope;
const BlockScope = Scope.BlockScope;
/**
* @class ScopeManager
*/
class ScopeManager {
constructor(options) {
this.scopes = [];
this.globalScope = null;
this.__nodeToScope = new WeakMap();
this.__currentScope = null;
this.__options = options;
this.__declaredVariables = new WeakMap();
}
__useDirective() {
return this.__options.directive;
}
__isOptimistic() {
return this.__options.optimistic;
}
__ignoreEval() {
return this.__options.ignoreEval;
}
__isNodejsScope() {
return this.__options.nodejsScope;
}
isModule() {
return this.__options.sourceType === "module";
}
isImpliedStrict() {
return this.__options.impliedStrict;
}
isStrictModeSupported() {
return this.__options.ecmaVersion >= 5;
}
// Returns appropriate scope for this node.
__get(node) {
return this.__nodeToScope.get(node);
}
/**
* Get variables that are declared by the node.
*
* "are declared by the node" means the node is same as `Variable.defs[].node` or `Variable.defs[].parent`.
* If the node declares nothing, this method returns an empty array.
* CAUTION: This API is experimental. See https://github.com/estools/escope/pull/69 for more details.
*
* @param {Espree.Node} node - a node to get.
* @returns {Variable[]} variables that declared by the node.
*/
getDeclaredVariables(node) {
return this.__declaredVariables.get(node) || [];
}
/**
* acquire scope from node.
* @method ScopeManager#acquire
* @param {Espree.Node} node - node for the acquired scope.
* @param {boolean=} inner - look up the most inner scope, default value is false.
* @returns {Scope?} Scope from node
*/
acquire(node, inner) {
/**
* predicate
* @param {Scope} testScope - scope to test
* @returns {boolean} predicate
*/
function predicate(testScope) {
if (testScope.type === "function" && testScope.functionExpressionScope) {
return false;
}
if (testScope.type === "TDZ") {
return false;
}
return true;
}
const scopes = this.__get(node);
if (!scopes || scopes.length === 0) {
return null;
}
// Heuristic selection from all scopes.
// If you would like to get all scopes, please use ScopeManager#acquireAll.
if (scopes.length === 1) {
return scopes[0];
}
if (inner) {
for (let i = scopes.length - 1; i >= 0; --i) {
const scope = scopes[i];
if (predicate(scope)) {
return scope;
}
}
} else {
for (let i = 0, iz = scopes.length; i < iz; ++i) {
const scope = scopes[i];
if (predicate(scope)) {
return scope;
}
}
}
return null;
}
/**
* acquire all scopes from node.
* @method ScopeManager#acquireAll
* @param {Espree.Node} node - node for the acquired scope.
* @returns {Scopes?} Scope array
*/
acquireAll(node) {
return this.__get(node);
}
/**
* release the node.
* @method ScopeManager#release
* @param {Espree.Node} node - releasing node.
* @param {boolean=} inner - look up the most inner scope, default value is false.
* @returns {Scope?} upper scope for the node.
*/
release(node, inner) {
const scopes = this.__get(node);
if (scopes && scopes.length) {
const scope = scopes[0].upper;
if (!scope) {
return null;
}
return this.acquire(scope.block, inner);
}
return null;
}
attach() { } // eslint-disable-line class-methods-use-this
detach() { } // eslint-disable-line class-methods-use-this
__nestScope(scope) {
if (scope instanceof GlobalScope) {
assert(this.__currentScope === null);
this.globalScope = scope;
}
this.__currentScope = scope;
return scope;
}
__nestGlobalScope(node) {
return this.__nestScope(new GlobalScope(this, node));
}
__nestBlockScope(node) {
return this.__nestScope(new BlockScope(this, this.__currentScope, node));
}
__nestFunctionScope(node, isMethodDefinition) {
return this.__nestScope(new FunctionScope(this, this.__currentScope, node, isMethodDefinition));
}
__nestForScope(node) {
return this.__nestScope(new ForScope(this, this.__currentScope, node));
}
__nestCatchScope(node) {
return this.__nestScope(new CatchScope(this, this.__currentScope, node));
}
__nestWithScope(node) {
return this.__nestScope(new WithScope(this, this.__currentScope, node));
}
__nestClassScope(node) {
return this.__nestScope(new ClassScope(this, this.__currentScope, node));
}
__nestSwitchScope(node) {
return this.__nestScope(new SwitchScope(this, this.__currentScope, node));
}
__nestModuleScope(node) {
return this.__nestScope(new ModuleScope(this, this.__currentScope, node));
}
__nestTDZScope(node) {
return this.__nestScope(new TDZScope(this, this.__currentScope, node));
}
__nestFunctionExpressionNameScope(node) {
return this.__nestScope(new FunctionExpressionNameScope(this, this.__currentScope, node));
}
__isES6() {
return this.__options.ecmaVersion >= 6;
}
}
module.exports = ScopeManager;
/* vim: set sw=4 ts=4 et tw=80 : */

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@ -1,722 +0,0 @@
/*
Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
/* eslint-disable no-underscore-dangle */
/* eslint-disable no-undefined */
const Syntax = require("estraverse").Syntax;
const Reference = require("./reference");
const Variable = require("./variable");
const Definition = require("./definition").Definition;
const assert = require("assert");
/**
* Test if scope is struct
* @param {Scope} scope - scope
* @param {Block} block - block
* @param {boolean} isMethodDefinition - is method definiton
* @param {boolean} useDirective - use directive
* @returns {boolean} is strict scope
*/
function isStrictScope(scope, block, isMethodDefinition, useDirective) {
let body;
// When upper scope is exists and strict, inner scope is also strict.
if (scope.upper && scope.upper.isStrict) {
return true;
}
// ArrowFunctionExpression's scope is always strict scope.
if (block.type === Syntax.ArrowFunctionExpression) {
return true;
}
if (isMethodDefinition) {
return true;
}
if (scope.type === "class" || scope.type === "module") {
return true;
}
if (scope.type === "block" || scope.type === "switch") {
return false;
}
if (scope.type === "function") {
if (block.type === Syntax.Program) {
body = block;
} else {
body = block.body;
}
if (!body) {
return false;
}
} else if (scope.type === "global") {
body = block;
} else {
return false;
}
// Search 'use strict' directive.
if (useDirective) {
for (let i = 0, iz = body.body.length; i < iz; ++i) {
const stmt = body.body[i];
if (stmt.type !== Syntax.DirectiveStatement) {
break;
}
if (stmt.raw === "\"use strict\"" || stmt.raw === "'use strict'") {
return true;
}
}
} else {
for (let i = 0, iz = body.body.length; i < iz; ++i) {
const stmt = body.body[i];
if (stmt.type !== Syntax.ExpressionStatement) {
break;
}
const expr = stmt.expression;
if (expr.type !== Syntax.Literal || typeof expr.value !== "string") {
break;
}
if (expr.raw !== null && expr.raw !== undefined) {
if (expr.raw === "\"use strict\"" || expr.raw === "'use strict'") {
return true;
}
} else {
if (expr.value === "use strict") {
return true;
}
}
}
}
return false;
}
/**
* Register scope
* @param {ScopeManager} scopeManager - scope manager
* @param {Scope} scope - scope
* @returns {void}
*/
function registerScope(scopeManager, scope) {
scopeManager.scopes.push(scope);
const scopes = scopeManager.__nodeToScope.get(scope.block);
if (scopes) {
scopes.push(scope);
} else {
scopeManager.__nodeToScope.set(scope.block, [scope]);
}
}
/**
* Should be statically
* @param {Object} def - def
* @returns {boolean} should be statically
*/
function shouldBeStatically(def) {
return (
(def.type === Variable.ClassName) ||
(def.type === Variable.Variable && def.parent.kind !== "var")
);
}
/**
* @class Scope
*/
class Scope {
constructor(scopeManager, type, upperScope, block, isMethodDefinition) {
/**
* One of 'TDZ', 'module', 'block', 'switch', 'function', 'catch', 'with', 'function', 'class', 'global'.
* @member {String} Scope#type
*/
this.type = type;
/**
* The scoped {@link Variable}s of this scope, as <code>{ Variable.name
* : Variable }</code>.
* @member {Map} Scope#set
*/
this.set = new Map();
/**
* The tainted variables of this scope, as <code>{ Variable.name :
* boolean }</code>.
* @member {Map} Scope#taints */
this.taints = new Map();
/**
* Generally, through the lexical scoping of JS you can always know
* which variable an identifier in the source code refers to. There are
* a few exceptions to this rule. With 'global' and 'with' scopes you
* can only decide at runtime which variable a reference refers to.
* Moreover, if 'eval()' is used in a scope, it might introduce new
* bindings in this or its parent scopes.
* All those scopes are considered 'dynamic'.
* @member {boolean} Scope#dynamic
*/
this.dynamic = this.type === "global" || this.type === "with";
/**
* A reference to the scope-defining syntax node.
* @member {espree.Node} Scope#block
*/
this.block = block;
/**
* The {@link Reference|references} that are not resolved with this scope.
* @member {Reference[]} Scope#through
*/
this.through = [];
/**
* The scoped {@link Variable}s of this scope. In the case of a
* 'function' scope this includes the automatic argument <em>arguments</em> as
* its first element, as well as all further formal arguments.
* @member {Variable[]} Scope#variables
*/
this.variables = [];
/**
* Any variable {@link Reference|reference} found in this scope. This
* includes occurrences of local variables as well as variables from
* parent scopes (including the global scope). For local variables
* this also includes defining occurrences (like in a 'var' statement).
* In a 'function' scope this does not include the occurrences of the
* formal parameter in the parameter list.
* @member {Reference[]} Scope#references
*/
this.references = [];
/**
* For 'global' and 'function' scopes, this is a self-reference. For
* other scope types this is the <em>variableScope</em> value of the
* parent scope.
* @member {Scope} Scope#variableScope
*/
this.variableScope =
(this.type === "global" || this.type === "function" || this.type === "module") ? this : upperScope.variableScope;
/**
* Whether this scope is created by a FunctionExpression.
* @member {boolean} Scope#functionExpressionScope
*/
this.functionExpressionScope = false;
/**
* Whether this is a scope that contains an 'eval()' invocation.
* @member {boolean} Scope#directCallToEvalScope
*/
this.directCallToEvalScope = false;
/**
* @member {boolean} Scope#thisFound
*/
this.thisFound = false;
this.__left = [];
/**
* Reference to the parent {@link Scope|scope}.
* @member {Scope} Scope#upper
*/
this.upper = upperScope;
/**
* Whether 'use strict' is in effect in this scope.
* @member {boolean} Scope#isStrict
*/
this.isStrict = isStrictScope(this, block, isMethodDefinition, scopeManager.__useDirective());
/**
* List of nested {@link Scope}s.
* @member {Scope[]} Scope#childScopes
*/
this.childScopes = [];
if (this.upper) {
this.upper.childScopes.push(this);
}
this.__declaredVariables = scopeManager.__declaredVariables;
registerScope(scopeManager, this);
}
__shouldStaticallyClose(scopeManager) {
return (!this.dynamic || scopeManager.__isOptimistic());
}
__shouldStaticallyCloseForGlobal(ref) {
// On global scope, let/const/class declarations should be resolved statically.
const name = ref.identifier.name;
if (!this.set.has(name)) {
return false;
}
const variable = this.set.get(name);
const defs = variable.defs;
return defs.length > 0 && defs.every(shouldBeStatically);
}
__staticCloseRef(ref) {
if (!this.__resolve(ref)) {
this.__delegateToUpperScope(ref);
}
}
__dynamicCloseRef(ref) {
// notify all names are through to global
let current = this;
do {
current.through.push(ref);
current = current.upper;
} while (current);
}
__globalCloseRef(ref) {
// let/const/class declarations should be resolved statically.
// others should be resolved dynamically.
if (this.__shouldStaticallyCloseForGlobal(ref)) {
this.__staticCloseRef(ref);
} else {
this.__dynamicCloseRef(ref);
}
}
__close(scopeManager) {
let closeRef;
if (this.__shouldStaticallyClose(scopeManager)) {
closeRef = this.__staticCloseRef;
} else if (this.type !== "global") {
closeRef = this.__dynamicCloseRef;
} else {
closeRef = this.__globalCloseRef;
}
// Try Resolving all references in this scope.
for (let i = 0, iz = this.__left.length; i < iz; ++i) {
const ref = this.__left[i];
closeRef.call(this, ref);
}
this.__left = null;
return this.upper;
}
__resolve(ref) {
const name = ref.identifier.name;
if (this.set.has(name)) {
const variable = this.set.get(name);
variable.references.push(ref);
variable.stack = variable.stack && ref.from.variableScope === this.variableScope;
if (ref.tainted) {
variable.tainted = true;
this.taints.set(variable.name, true);
}
ref.resolved = variable;
return true;
}
return false;
}
__delegateToUpperScope(ref) {
if (this.upper) {
this.upper.__left.push(ref);
}
this.through.push(ref);
}
__addDeclaredVariablesOfNode(variable, node) {
if (node === null || node === undefined) {
return;
}
let variables = this.__declaredVariables.get(node);
if (variables === null || variables === undefined) {
variables = [];
this.__declaredVariables.set(node, variables);
}
if (variables.indexOf(variable) === -1) {
variables.push(variable);
}
}
__defineGeneric(name, set, variables, node, def) {
let variable;
variable = set.get(name);
if (!variable) {
variable = new Variable(name, this);
set.set(name, variable);
variables.push(variable);
}
if (def) {
variable.defs.push(def);
if (def.type !== Variable.TDZ) {
this.__addDeclaredVariablesOfNode(variable, def.node);
this.__addDeclaredVariablesOfNode(variable, def.parent);
}
}
if (node) {
variable.identifiers.push(node);
}
}
__define(node, def) {
if (node && node.type === Syntax.Identifier) {
this.__defineGeneric(
node.name,
this.set,
this.variables,
node,
def);
}
}
__referencing(node, assign, writeExpr, maybeImplicitGlobal, partial, init) {
// because Array element may be null
if (!node || node.type !== Syntax.Identifier) {
return;
}
// Specially handle like `this`.
if (node.name === "super") {
return;
}
const ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal, !!partial, !!init);
this.references.push(ref);
this.__left.push(ref);
}
__detectEval() {
let current = this;
this.directCallToEvalScope = true;
do {
current.dynamic = true;
current = current.upper;
} while (current);
}
__detectThis() {
this.thisFound = true;
}
__isClosed() {
return this.__left === null;
}
/**
* returns resolved {Reference}
* @method Scope#resolve
* @param {Espree.Identifier} ident - identifier to be resolved.
* @returns {Reference} reference
*/
resolve(ident) {
let ref, i, iz;
assert(this.__isClosed(), "Scope should be closed.");
assert(ident.type === Syntax.Identifier, "Target should be identifier.");
for (i = 0, iz = this.references.length; i < iz; ++i) {
ref = this.references[i];
if (ref.identifier === ident) {
return ref;
}
}
return null;
}
/**
* returns this scope is static
* @method Scope#isStatic
* @returns {boolean} static
*/
isStatic() {
return !this.dynamic;
}
/**
* returns this scope has materialized arguments
* @method Scope#isArgumentsMaterialized
* @returns {boolean} arguemnts materialized
*/
isArgumentsMaterialized() { // eslint-disable-line class-methods-use-this
return true;
}
/**
* returns this scope has materialized `this` reference
* @method Scope#isThisMaterialized
* @returns {boolean} this materialized
*/
isThisMaterialized() { // eslint-disable-line class-methods-use-this
return true;
}
isUsedName(name) {
if (this.set.has(name)) {
return true;
}
for (let i = 0, iz = this.through.length; i < iz; ++i) {
if (this.through[i].identifier.name === name) {
return true;
}
}
return false;
}
}
class GlobalScope extends Scope {
constructor(scopeManager, block) {
super(scopeManager, "global", null, block, false);
this.implicit = {
set: new Map(),
variables: [],
/**
* List of {@link Reference}s that are left to be resolved (i.e. which
* need to be linked to the variable they refer to).
* @member {Reference[]} Scope#implicit#left
*/
left: []
};
}
__close(scopeManager) {
const implicit = [];
for (let i = 0, iz = this.__left.length; i < iz; ++i) {
const ref = this.__left[i];
if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) {
implicit.push(ref.__maybeImplicitGlobal);
}
}
// create an implicit global variable from assignment expression
for (let i = 0, iz = implicit.length; i < iz; ++i) {
const info = implicit[i];
this.__defineImplicit(info.pattern,
new Definition(
Variable.ImplicitGlobalVariable,
info.pattern,
info.node,
null,
null,
null
));
}
this.implicit.left = this.__left;
return super.__close(scopeManager);
}
__defineImplicit(node, def) {
if (node && node.type === Syntax.Identifier) {
this.__defineGeneric(
node.name,
this.implicit.set,
this.implicit.variables,
node,
def);
}
}
}
class ModuleScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "module", upperScope, block, false);
}
}
class FunctionExpressionNameScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "function-expression-name", upperScope, block, false);
this.__define(block.id,
new Definition(
Variable.FunctionName,
block.id,
block,
null,
null,
null
));
this.functionExpressionScope = true;
}
}
class CatchScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "catch", upperScope, block, false);
}
}
class WithScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "with", upperScope, block, false);
}
__close(scopeManager) {
if (this.__shouldStaticallyClose(scopeManager)) {
return super.__close(scopeManager);
}
for (let i = 0, iz = this.__left.length; i < iz; ++i) {
const ref = this.__left[i];
ref.tainted = true;
this.__delegateToUpperScope(ref);
}
this.__left = null;
return this.upper;
}
}
class TDZScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "TDZ", upperScope, block, false);
}
}
class BlockScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "block", upperScope, block, false);
}
}
class SwitchScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "switch", upperScope, block, false);
}
}
class FunctionScope extends Scope {
constructor(scopeManager, upperScope, block, isMethodDefinition) {
super(scopeManager, "function", upperScope, block, isMethodDefinition);
// section 9.2.13, FunctionDeclarationInstantiation.
// NOTE Arrow functions never have an arguments objects.
if (this.block.type !== Syntax.ArrowFunctionExpression) {
this.__defineArguments();
}
}
isArgumentsMaterialized() {
// TODO(Constellation)
// We can more aggressive on this condition like this.
//
// function t() {
// // arguments of t is always hidden.
// function arguments() {
// }
// }
if (this.block.type === Syntax.ArrowFunctionExpression) {
return false;
}
if (!this.isStatic()) {
return true;
}
const variable = this.set.get("arguments");
assert(variable, "Always have arguments variable.");
return variable.tainted || variable.references.length !== 0;
}
isThisMaterialized() {
if (!this.isStatic()) {
return true;
}
return this.thisFound;
}
__defineArguments() {
this.__defineGeneric(
"arguments",
this.set,
this.variables,
null,
null);
this.taints.set("arguments", true);
}
}
class ForScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "for", upperScope, block, false);
}
}
class ClassScope extends Scope {
constructor(scopeManager, upperScope, block) {
super(scopeManager, "class", upperScope, block, false);
}
}
module.exports = {
Scope,
GlobalScope,
ModuleScope,
FunctionExpressionNameScope,
CatchScope,
WithScope,
TDZScope,
BlockScope,
SwitchScope,
FunctionScope,
ForScope,
ClassScope
};
/* vim: set sw=4 ts=4 et tw=80 : */

View File

@ -1,89 +0,0 @@
/*
Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
/**
* A Variable represents a locally scoped identifier. These include arguments to
* functions.
* @class Variable
*/
class Variable {
constructor(name, scope) {
/**
* The variable name, as given in the source code.
* @member {String} Variable#name
*/
this.name = name;
/**
* List of defining occurrences of this variable (like in 'var ...'
* statements or as parameter), as AST nodes.
* @member {espree.Identifier[]} Variable#identifiers
*/
this.identifiers = [];
/**
* List of {@link Reference|references} of this variable (excluding parameter entries)
* in its defining scope and all nested scopes. For defining
* occurrences only see {@link Variable#defs}.
* @member {Reference[]} Variable#references
*/
this.references = [];
/**
* List of defining occurrences of this variable (like in 'var ...'
* statements or as parameter), as custom objects.
* @member {Definition[]} Variable#defs
*/
this.defs = [];
this.tainted = false;
/**
* Whether this is a stack variable.
* @member {boolean} Variable#stack
*/
this.stack = true;
/**
* Reference to the enclosing Scope.
* @member {Scope} Variable#scope
*/
this.scope = scope;
}
}
Variable.CatchClause = "CatchClause";
Variable.Parameter = "Parameter";
Variable.FunctionName = "FunctionName";
Variable.ClassName = "ClassName";
Variable.Variable = "Variable";
Variable.ImportBinding = "ImportBinding";
Variable.TDZ = "TDZ";
Variable.ImplicitGlobalVariable = "ImplicitGlobalVariable";
module.exports = Variable;
/* vim: set sw=4 ts=4 et tw=80 : */

View File

@ -1,51 +0,0 @@
{
"bugs": {
"url": "https://github.com/eslint/eslint-scope/issues"
},
"bundleDependencies": false,
"dependencies": {
"esrecurse": "^4.1.0",
"estraverse": "^4.1.1"
},
"deprecated": false,
"description": "ECMAScript scope analyzer for ESLint",
"devDependencies": {
"chai": "^3.4.1",
"eslint": "^3.15.0",
"eslint-config-eslint": "^4.0.0",
"eslint-release": "^0.10.1",
"espree": "^3.1.1",
"istanbul": "^0.4.5",
"mocha": "^3.2.0",
"npm-license": "^0.3.3",
"shelljs": "^0.7.6",
"typescript": "~2.0.10",
"typescript-eslint-parser": "^1.0.0"
},
"engines": {
"node": ">=4.0.0"
},
"files": [
"LICENSE",
"README.md",
"lib"
],
"homepage": "http://github.com/eslint/eslint-scope",
"license": "BSD-2-Clause",
"main": "lib/index.js",
"name": "eslint-scope",
"repository": {
"type": "git",
"url": "git+https://github.com/eslint/eslint-scope.git"
},
"scripts": {
"alpharelease": "eslint-prerelease alpha",
"betarelease": "eslint-prerelease beta",
"ci-release": "eslint-ci-release",
"gh-release": "eslint-gh-release",
"lint": "node Makefile.js lint",
"release": "eslint-release",
"test": "node Makefile.js test"
},
"version": "3.7.1"
}

View File

@ -128,6 +128,9 @@
"ImportDefaultSpecifier": [
"local"
],
"ImportExpression": [
"source"
],
"ImportNamespaceSpecifier": [
"local"
],

View File

@ -13,7 +13,7 @@
"devDependencies": {
"eslint": "^4.7.2",
"eslint-config-eslint": "^4.0.0",
"eslint-release": "^0.10.3",
"eslint-release": "^1.0.0",
"mocha": "^3.5.3",
"nyc": "^11.2.1",
"opener": "^1.4.3"
@ -34,12 +34,15 @@
"url": "git+https://github.com/eslint/eslint-visitor-keys.git"
},
"scripts": {
"ci-release": "eslint-ci-release",
"coverage": "nyc report --reporter lcov && opener coverage/lcov-report/index.html",
"generate-alpharelease": "eslint-generate-prerelease alpha",
"generate-betarelease": "eslint-generate-prerelease beta",
"generate-rcrelease": "eslint-generate-prerelease rc",
"generate-release": "eslint-generate-release",
"lint": "eslint lib tests/lib",
"pretest": "npm run -s lint",
"release": "eslint-release",
"publish-release": "eslint-publish-release",
"test": "nyc mocha tests/lib"
},
"version": "1.0.0"
"version": "1.1.0"
}

View File

@ -1,171 +0,0 @@
### Esrecurse [![Build Status](https://travis-ci.org/estools/esrecurse.svg?branch=master)](https://travis-ci.org/estools/esrecurse)
Esrecurse ([esrecurse](https://github.com/estools/esrecurse)) is
[ECMAScript](https://www.ecma-international.org/publications/standards/Ecma-262.htm)
recursive traversing functionality.
### Example Usage
The following code will output all variables declared at the root of a file.
```javascript
esrecurse.visit(ast, {
XXXStatement: function (node) {
this.visit(node.left);
// do something...
this.visit(node.right);
}
});
```
We can use `Visitor` instance.
```javascript
var visitor = new esrecurse.Visitor({
XXXStatement: function (node) {
this.visit(node.left);
// do something...
this.visit(node.right);
}
});
visitor.visit(ast);
```
We can inherit `Visitor` instance easily.
```javascript
class Derived extends esrecurse.Visitor {
constructor()
{
super(null);
}
XXXStatement(node) {
}
}
```
```javascript
function DerivedVisitor() {
esrecurse.Visitor.call(/* this for constructor */ this /* visitor object automatically becomes this. */);
}
util.inherits(DerivedVisitor, esrecurse.Visitor);
DerivedVisitor.prototype.XXXStatement = function (node) {
this.visit(node.left);
// do something...
this.visit(node.right);
};
```
And you can invoke default visiting operation inside custom visit operation.
```javascript
function DerivedVisitor() {
esrecurse.Visitor.call(/* this for constructor */ this /* visitor object automatically becomes this. */);
}
util.inherits(DerivedVisitor, esrecurse.Visitor);
DerivedVisitor.prototype.XXXStatement = function (node) {
// do something...
this.visitChildren(node);
};
```
The `childVisitorKeys` option does customize the behaviour of `this.visitChildren(node)`.
We can use user-defined node types.
```javascript
// This tree contains a user-defined `TestExpression` node.
var tree = {
type: 'TestExpression',
// This 'argument' is the property containing the other **node**.
argument: {
type: 'Literal',
value: 20
},
// This 'extended' is the property not containing the other **node**.
extended: true
};
esrecurse.visit(
ast,
{
Literal: function (node) {
// do something...
}
},
{
// Extending the existing traversing rules.
childVisitorKeys: {
// TargetNodeName: [ 'keys', 'containing', 'the', 'other', '**node**' ]
TestExpression: ['argument']
}
}
);
```
We can use the `fallback` option as well.
If the `fallback` option is `"iteration"`, `esrecurse` would visit all enumerable properties of unknown nodes.
Please note circular references cause the stack overflow. AST might have circular references in additional properties for some purpose (e.g. `node.parent`).
```javascript
esrecurse.visit(
ast,
{
Literal: function (node) {
// do something...
}
},
{
fallback: 'iteration'
}
);
```
If the `fallback` option is a function, `esrecurse` calls this function to determine the enumerable properties of unknown nodes.
Please note circular references cause the stack overflow. AST might have circular references in additional properties for some purpose (e.g. `node.parent`).
```javascript
esrecurse.visit(
ast,
{
Literal: function (node) {
// do something...
}
},
{
fallback: function (node) {
return Object.keys(node).filter(function(key) {
return key !== 'argument'
});
}
}
);
```
### License
Copyright (C) 2014 [Yusuke Suzuki](https://github.com/Constellation)
(twitter: [@Constellation](https://twitter.com/Constellation)) and other contributors.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

View File

@ -1,117 +0,0 @@
/*
Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
(function () {
'use strict';
var estraverse = require('estraverse');
function isNode(node) {
if (node == null) {
return false;
}
return typeof node === 'object' && typeof node.type === 'string';
}
function isProperty(nodeType, key) {
return (nodeType === estraverse.Syntax.ObjectExpression || nodeType === estraverse.Syntax.ObjectPattern) && key === 'properties';
}
function Visitor(visitor, options) {
options = options || {};
this.__visitor = visitor || this;
this.__childVisitorKeys = options.childVisitorKeys
? Object.assign({}, estraverse.VisitorKeys, options.childVisitorKeys)
: estraverse.VisitorKeys;
if (options.fallback === 'iteration') {
this.__fallback = Object.keys;
} else if (typeof options.fallback === 'function') {
this.__fallback = options.fallback;
}
}
/* Default method for visiting children.
* When you need to call default visiting operation inside custom visiting
* operation, you can use it with `this.visitChildren(node)`.
*/
Visitor.prototype.visitChildren = function (node) {
var type, children, i, iz, j, jz, child;
if (node == null) {
return;
}
type = node.type || estraverse.Syntax.Property;
children = this.__childVisitorKeys[type];
if (!children) {
if (this.__fallback) {
children = this.__fallback(node);
} else {
throw new Error('Unknown node type ' + type + '.');
}
}
for (i = 0, iz = children.length; i < iz; ++i) {
child = node[children[i]];
if (child) {
if (Array.isArray(child)) {
for (j = 0, jz = child.length; j < jz; ++j) {
if (child[j]) {
if (isNode(child[j]) || isProperty(type, children[i])) {
this.visit(child[j]);
}
}
}
} else if (isNode(child)) {
this.visit(child);
}
}
}
};
/* Dispatching node. */
Visitor.prototype.visit = function (node) {
var type;
if (node == null) {
return;
}
type = node.type || estraverse.Syntax.Property;
if (this.__visitor[type]) {
this.__visitor[type].call(this, node);
return;
}
this.visitChildren(node);
};
exports.version = require('./package.json').version;
exports.Visitor = Visitor;
exports.visit = function (node, visitor, options) {
var v = new Visitor(visitor, options);
v.visit(node);
};
}());
/* vim: set sw=4 ts=4 et tw=80 : */

View File

@ -1,57 +0,0 @@
{
"babel": {
"presets": [
"es2015"
]
},
"bugs": {
"url": "https://github.com/estools/esrecurse/issues"
},
"bundleDependencies": false,
"dependencies": {
"estraverse": "^4.1.0"
},
"deprecated": false,
"description": "ECMAScript AST recursive visitor",
"devDependencies": {
"babel-cli": "^6.24.1",
"babel-eslint": "^7.2.3",
"babel-preset-es2015": "^6.24.1",
"babel-register": "^6.24.1",
"chai": "^4.0.2",
"esprima": "^4.0.0",
"gulp": "^3.9.0",
"gulp-bump": "^2.7.0",
"gulp-eslint": "^4.0.0",
"gulp-filter": "^5.0.0",
"gulp-git": "^2.4.1",
"gulp-mocha": "^4.3.1",
"gulp-tag-version": "^1.2.1",
"jsdoc": "^3.3.0-alpha10",
"minimist": "^1.1.0"
},
"engines": {
"node": ">=4.0"
},
"homepage": "https://github.com/estools/esrecurse",
"license": "BSD-2-Clause",
"main": "esrecurse.js",
"maintainers": [
{
"name": "Yusuke Suzuki",
"email": "utatane.tea@gmail.com",
"url": "https://github.com/Constellation"
}
],
"name": "esrecurse",
"repository": {
"type": "git",
"url": "git+https://github.com/estools/esrecurse.git"
},
"scripts": {
"lint": "gulp lint",
"test": "gulp travis",
"unit-test": "gulp test"
},
"version": "4.2.1"
}

View File

@ -1,19 +0,0 @@
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

View File

@ -1,849 +0,0 @@
/*
Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*jslint vars:false, bitwise:true*/
/*jshint indent:4*/
/*global exports:true*/
(function clone(exports) {
'use strict';
var Syntax,
isArray,
VisitorOption,
VisitorKeys,
objectCreate,
objectKeys,
BREAK,
SKIP,
REMOVE;
function ignoreJSHintError() { }
isArray = Array.isArray;
if (!isArray) {
isArray = function isArray(array) {
return Object.prototype.toString.call(array) === '[object Array]';
};
}
function deepCopy(obj) {
var ret = {}, key, val;
for (key in obj) {
if (obj.hasOwnProperty(key)) {
val = obj[key];
if (typeof val === 'object' && val !== null) {
ret[key] = deepCopy(val);
} else {
ret[key] = val;
}
}
}
return ret;
}
function shallowCopy(obj) {
var ret = {}, key;
for (key in obj) {
if (obj.hasOwnProperty(key)) {
ret[key] = obj[key];
}
}
return ret;
}
ignoreJSHintError(shallowCopy);
// based on LLVM libc++ upper_bound / lower_bound
// MIT License
function upperBound(array, func) {
var diff, len, i, current;
len = array.length;
i = 0;
while (len) {
diff = len >>> 1;
current = i + diff;
if (func(array[current])) {
len = diff;
} else {
i = current + 1;
len -= diff + 1;
}
}
return i;
}
function lowerBound(array, func) {
var diff, len, i, current;
len = array.length;
i = 0;
while (len) {
diff = len >>> 1;
current = i + diff;
if (func(array[current])) {
i = current + 1;
len -= diff + 1;
} else {
len = diff;
}
}
return i;
}
ignoreJSHintError(lowerBound);
objectCreate = Object.create || (function () {
function F() { }
return function (o) {
F.prototype = o;
return new F();
};
})();
objectKeys = Object.keys || function (o) {
var keys = [], key;
for (key in o) {
keys.push(key);
}
return keys;
};
function extend(to, from) {
var keys = objectKeys(from), key, i, len;
for (i = 0, len = keys.length; i < len; i += 1) {
key = keys[i];
to[key] = from[key];
}
return to;
}
Syntax = {
AssignmentExpression: 'AssignmentExpression',
AssignmentPattern: 'AssignmentPattern',
ArrayExpression: 'ArrayExpression',
ArrayPattern: 'ArrayPattern',
ArrowFunctionExpression: 'ArrowFunctionExpression',
AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.
BlockStatement: 'BlockStatement',
BinaryExpression: 'BinaryExpression',
BreakStatement: 'BreakStatement',
CallExpression: 'CallExpression',
CatchClause: 'CatchClause',
ClassBody: 'ClassBody',
ClassDeclaration: 'ClassDeclaration',
ClassExpression: 'ClassExpression',
ComprehensionBlock: 'ComprehensionBlock', // CAUTION: It's deferred to ES7.
ComprehensionExpression: 'ComprehensionExpression', // CAUTION: It's deferred to ES7.
ConditionalExpression: 'ConditionalExpression',
ContinueStatement: 'ContinueStatement',
DebuggerStatement: 'DebuggerStatement',
DirectiveStatement: 'DirectiveStatement',
DoWhileStatement: 'DoWhileStatement',
EmptyStatement: 'EmptyStatement',
ExportAllDeclaration: 'ExportAllDeclaration',
ExportDefaultDeclaration: 'ExportDefaultDeclaration',
ExportNamedDeclaration: 'ExportNamedDeclaration',
ExportSpecifier: 'ExportSpecifier',
ExpressionStatement: 'ExpressionStatement',
ForStatement: 'ForStatement',
ForInStatement: 'ForInStatement',
ForOfStatement: 'ForOfStatement',
FunctionDeclaration: 'FunctionDeclaration',
FunctionExpression: 'FunctionExpression',
GeneratorExpression: 'GeneratorExpression', // CAUTION: It's deferred to ES7.
Identifier: 'Identifier',
IfStatement: 'IfStatement',
ImportDeclaration: 'ImportDeclaration',
ImportDefaultSpecifier: 'ImportDefaultSpecifier',
ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
ImportSpecifier: 'ImportSpecifier',
Literal: 'Literal',
LabeledStatement: 'LabeledStatement',
LogicalExpression: 'LogicalExpression',
MemberExpression: 'MemberExpression',
MetaProperty: 'MetaProperty',
MethodDefinition: 'MethodDefinition',
ModuleSpecifier: 'ModuleSpecifier',
NewExpression: 'NewExpression',
ObjectExpression: 'ObjectExpression',
ObjectPattern: 'ObjectPattern',
Program: 'Program',
Property: 'Property',
RestElement: 'RestElement',
ReturnStatement: 'ReturnStatement',
SequenceExpression: 'SequenceExpression',
SpreadElement: 'SpreadElement',
Super: 'Super',
SwitchStatement: 'SwitchStatement',
SwitchCase: 'SwitchCase',
TaggedTemplateExpression: 'TaggedTemplateExpression',
TemplateElement: 'TemplateElement',
TemplateLiteral: 'TemplateLiteral',
ThisExpression: 'ThisExpression',
ThrowStatement: 'ThrowStatement',
TryStatement: 'TryStatement',
UnaryExpression: 'UnaryExpression',
UpdateExpression: 'UpdateExpression',
VariableDeclaration: 'VariableDeclaration',
VariableDeclarator: 'VariableDeclarator',
WhileStatement: 'WhileStatement',
WithStatement: 'WithStatement',
YieldExpression: 'YieldExpression'
};
VisitorKeys = {
AssignmentExpression: ['left', 'right'],
AssignmentPattern: ['left', 'right'],
ArrayExpression: ['elements'],
ArrayPattern: ['elements'],
ArrowFunctionExpression: ['params', 'body'],
AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.
BlockStatement: ['body'],
BinaryExpression: ['left', 'right'],
BreakStatement: ['label'],
CallExpression: ['callee', 'arguments'],
CatchClause: ['param', 'body'],
ClassBody: ['body'],
ClassDeclaration: ['id', 'superClass', 'body'],
ClassExpression: ['id', 'superClass', 'body'],
ComprehensionBlock: ['left', 'right'], // CAUTION: It's deferred to ES7.
ComprehensionExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.
ConditionalExpression: ['test', 'consequent', 'alternate'],
ContinueStatement: ['label'],
DebuggerStatement: [],
DirectiveStatement: [],
DoWhileStatement: ['body', 'test'],
EmptyStatement: [],
ExportAllDeclaration: ['source'],
ExportDefaultDeclaration: ['declaration'],
ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],
ExportSpecifier: ['exported', 'local'],
ExpressionStatement: ['expression'],
ForStatement: ['init', 'test', 'update', 'body'],
ForInStatement: ['left', 'right', 'body'],
ForOfStatement: ['left', 'right', 'body'],
FunctionDeclaration: ['id', 'params', 'body'],
FunctionExpression: ['id', 'params', 'body'],
GeneratorExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.
Identifier: [],
IfStatement: ['test', 'consequent', 'alternate'],
ImportDeclaration: ['specifiers', 'source'],
ImportDefaultSpecifier: ['local'],
ImportNamespaceSpecifier: ['local'],
ImportSpecifier: ['imported', 'local'],
Literal: [],
LabeledStatement: ['label', 'body'],
LogicalExpression: ['left', 'right'],
MemberExpression: ['object', 'property'],
MetaProperty: ['meta', 'property'],
MethodDefinition: ['key', 'value'],
ModuleSpecifier: [],
NewExpression: ['callee', 'arguments'],
ObjectExpression: ['properties'],
ObjectPattern: ['properties'],
Program: ['body'],
Property: ['key', 'value'],
RestElement: [ 'argument' ],
ReturnStatement: ['argument'],
SequenceExpression: ['expressions'],
SpreadElement: ['argument'],
Super: [],
SwitchStatement: ['discriminant', 'cases'],
SwitchCase: ['test', 'consequent'],
TaggedTemplateExpression: ['tag', 'quasi'],
TemplateElement: [],
TemplateLiteral: ['quasis', 'expressions'],
ThisExpression: [],
ThrowStatement: ['argument'],
TryStatement: ['block', 'handler', 'finalizer'],
UnaryExpression: ['argument'],
UpdateExpression: ['argument'],
VariableDeclaration: ['declarations'],
VariableDeclarator: ['id', 'init'],
WhileStatement: ['test', 'body'],
WithStatement: ['object', 'body'],
YieldExpression: ['argument']
};
// unique id
BREAK = {};
SKIP = {};
REMOVE = {};
VisitorOption = {
Break: BREAK,
Skip: SKIP,
Remove: REMOVE
};
function Reference(parent, key) {
this.parent = parent;
this.key = key;
}
Reference.prototype.replace = function replace(node) {
this.parent[this.key] = node;
};
Reference.prototype.remove = function remove() {
if (isArray(this.parent)) {
this.parent.splice(this.key, 1);
return true;
} else {
this.replace(null);
return false;
}
};
function Element(node, path, wrap, ref) {
this.node = node;
this.path = path;
this.wrap = wrap;
this.ref = ref;
}
function Controller() { }
// API:
// return property path array from root to current node
Controller.prototype.path = function path() {
var i, iz, j, jz, result, element;
function addToPath(result, path) {
if (isArray(path)) {
for (j = 0, jz = path.length; j < jz; ++j) {
result.push(path[j]);
}
} else {
result.push(path);
}
}
// root node
if (!this.__current.path) {
return null;
}
// first node is sentinel, second node is root element
result = [];
for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
element = this.__leavelist[i];
addToPath(result, element.path);
}
addToPath(result, this.__current.path);
return result;
};
// API:
// return type of current node
Controller.prototype.type = function () {
var node = this.current();
return node.type || this.__current.wrap;
};
// API:
// return array of parent elements
Controller.prototype.parents = function parents() {
var i, iz, result;
// first node is sentinel
result = [];
for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
result.push(this.__leavelist[i].node);
}
return result;
};
// API:
// return current node
Controller.prototype.current = function current() {
return this.__current.node;
};
Controller.prototype.__execute = function __execute(callback, element) {
var previous, result;
result = undefined;
previous = this.__current;
this.__current = element;
this.__state = null;
if (callback) {
result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
}
this.__current = previous;
return result;
};
// API:
// notify control skip / break
Controller.prototype.notify = function notify(flag) {
this.__state = flag;
};
// API:
// skip child nodes of current node
Controller.prototype.skip = function () {
this.notify(SKIP);
};
// API:
// break traversals
Controller.prototype['break'] = function () {
this.notify(BREAK);
};
// API:
// remove node
Controller.prototype.remove = function () {
this.notify(REMOVE);
};
Controller.prototype.__initialize = function(root, visitor) {
this.visitor = visitor;
this.root = root;
this.__worklist = [];
this.__leavelist = [];
this.__current = null;
this.__state = null;
this.__fallback = null;
if (visitor.fallback === 'iteration') {
this.__fallback = objectKeys;
} else if (typeof visitor.fallback === 'function') {
this.__fallback = visitor.fallback;
}
this.__keys = VisitorKeys;
if (visitor.keys) {
this.__keys = extend(objectCreate(this.__keys), visitor.keys);
}
};
function isNode(node) {
if (node == null) {
return false;
}
return typeof node === 'object' && typeof node.type === 'string';
}
function isProperty(nodeType, key) {
return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;
}
Controller.prototype.traverse = function traverse(root, visitor) {
var worklist,
leavelist,
element,
node,
nodeType,
ret,
key,
current,
current2,
candidates,
candidate,
sentinel;
this.__initialize(root, visitor);
sentinel = {};
// reference
worklist = this.__worklist;
leavelist = this.__leavelist;
// initialize
worklist.push(new Element(root, null, null, null));
leavelist.push(new Element(null, null, null, null));
while (worklist.length) {
element = worklist.pop();
if (element === sentinel) {
element = leavelist.pop();
ret = this.__execute(visitor.leave, element);
if (this.__state === BREAK || ret === BREAK) {
return;
}
continue;
}
if (element.node) {
ret = this.__execute(visitor.enter, element);
if (this.__state === BREAK || ret === BREAK) {
return;
}
worklist.push(sentinel);
leavelist.push(element);
if (this.__state === SKIP || ret === SKIP) {
continue;
}
node = element.node;
nodeType = node.type || element.wrap;
candidates = this.__keys[nodeType];
if (!candidates) {
if (this.__fallback) {
candidates = this.__fallback(node);
} else {
throw new Error('Unknown node type ' + nodeType + '.');
}
}
current = candidates.length;
while ((current -= 1) >= 0) {
key = candidates[current];
candidate = node[key];
if (!candidate) {
continue;
}
if (isArray(candidate)) {
current2 = candidate.length;
while ((current2 -= 1) >= 0) {
if (!candidate[current2]) {
continue;
}
if (isProperty(nodeType, candidates[current])) {
element = new Element(candidate[current2], [key, current2], 'Property', null);
} else if (isNode(candidate[current2])) {
element = new Element(candidate[current2], [key, current2], null, null);
} else {
continue;
}
worklist.push(element);
}
} else if (isNode(candidate)) {
worklist.push(new Element(candidate, key, null, null));
}
}
}
}
};
Controller.prototype.replace = function replace(root, visitor) {
var worklist,
leavelist,
node,
nodeType,
target,
element,
current,
current2,
candidates,
candidate,
sentinel,
outer,
key;
function removeElem(element) {
var i,
key,
nextElem,
parent;
if (element.ref.remove()) {
// When the reference is an element of an array.
key = element.ref.key;
parent = element.ref.parent;
// If removed from array, then decrease following items' keys.
i = worklist.length;
while (i--) {
nextElem = worklist[i];
if (nextElem.ref && nextElem.ref.parent === parent) {
if (nextElem.ref.key < key) {
break;
}
--nextElem.ref.key;
}
}
}
}
this.__initialize(root, visitor);
sentinel = {};
// reference
worklist = this.__worklist;
leavelist = this.__leavelist;
// initialize
outer = {
root: root
};
element = new Element(root, null, null, new Reference(outer, 'root'));
worklist.push(element);
leavelist.push(element);
while (worklist.length) {
element = worklist.pop();
if (element === sentinel) {
element = leavelist.pop();
target = this.__execute(visitor.leave, element);
// node may be replaced with null,
// so distinguish between undefined and null in this place
if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
// replace
element.ref.replace(target);
}
if (this.__state === REMOVE || target === REMOVE) {
removeElem(element);
}
if (this.__state === BREAK || target === BREAK) {
return outer.root;
}
continue;
}
target = this.__execute(visitor.enter, element);
// node may be replaced with null,
// so distinguish between undefined and null in this place
if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
// replace
element.ref.replace(target);
element.node = target;
}
if (this.__state === REMOVE || target === REMOVE) {
removeElem(element);
element.node = null;
}
if (this.__state === BREAK || target === BREAK) {
return outer.root;
}
// node may be null
node = element.node;
if (!node) {
continue;
}
worklist.push(sentinel);
leavelist.push(element);
if (this.__state === SKIP || target === SKIP) {
continue;
}
nodeType = node.type || element.wrap;
candidates = this.__keys[nodeType];
if (!candidates) {
if (this.__fallback) {
candidates = this.__fallback(node);
} else {
throw new Error('Unknown node type ' + nodeType + '.');
}
}
current = candidates.length;
while ((current -= 1) >= 0) {
key = candidates[current];
candidate = node[key];
if (!candidate) {
continue;
}
if (isArray(candidate)) {
current2 = candidate.length;
while ((current2 -= 1) >= 0) {
if (!candidate[current2]) {
continue;
}
if (isProperty(nodeType, candidates[current])) {
element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));
} else if (isNode(candidate[current2])) {
element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));
} else {
continue;
}
worklist.push(element);
}
} else if (isNode(candidate)) {
worklist.push(new Element(candidate, key, null, new Reference(node, key)));
}
}
}
return outer.root;
};
function traverse(root, visitor) {
var controller = new Controller();
return controller.traverse(root, visitor);
}
function replace(root, visitor) {
var controller = new Controller();
return controller.replace(root, visitor);
}
function extendCommentRange(comment, tokens) {
var target;
target = upperBound(tokens, function search(token) {
return token.range[0] > comment.range[0];
});
comment.extendedRange = [comment.range[0], comment.range[1]];
if (target !== tokens.length) {
comment.extendedRange[1] = tokens[target].range[0];
}
target -= 1;
if (target >= 0) {
comment.extendedRange[0] = tokens[target].range[1];
}
return comment;
}
function attachComments(tree, providedComments, tokens) {
// At first, we should calculate extended comment ranges.
var comments = [], comment, len, i, cursor;
if (!tree.range) {
throw new Error('attachComments needs range information');
}
// tokens array is empty, we attach comments to tree as 'leadingComments'
if (!tokens.length) {
if (providedComments.length) {
for (i = 0, len = providedComments.length; i < len; i += 1) {
comment = deepCopy(providedComments[i]);
comment.extendedRange = [0, tree.range[0]];
comments.push(comment);
}
tree.leadingComments = comments;
}
return tree;
}
for (i = 0, len = providedComments.length; i < len; i += 1) {
comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));
}
// This is based on John Freeman's implementation.
cursor = 0;
traverse(tree, {
enter: function (node) {
var comment;
while (cursor < comments.length) {
comment = comments[cursor];
if (comment.extendedRange[1] > node.range[0]) {
break;
}
if (comment.extendedRange[1] === node.range[0]) {
if (!node.leadingComments) {
node.leadingComments = [];
}
node.leadingComments.push(comment);
comments.splice(cursor, 1);
} else {
cursor += 1;
}
}
// already out of owned node
if (cursor === comments.length) {
return VisitorOption.Break;
}
if (comments[cursor].extendedRange[0] > node.range[1]) {
return VisitorOption.Skip;
}
}
});
cursor = 0;
traverse(tree, {
leave: function (node) {
var comment;
while (cursor < comments.length) {
comment = comments[cursor];
if (node.range[1] < comment.extendedRange[0]) {
break;
}
if (node.range[1] === comment.extendedRange[0]) {
if (!node.trailingComments) {
node.trailingComments = [];
}
node.trailingComments.push(comment);
comments.splice(cursor, 1);
} else {
cursor += 1;
}
}
// already out of owned node
if (cursor === comments.length) {
return VisitorOption.Break;
}
if (comments[cursor].extendedRange[0] > node.range[1]) {
return VisitorOption.Skip;
}
}
});
return tree;
}
exports.version = require('./package.json').version;
exports.Syntax = Syntax;
exports.traverse = traverse;
exports.replace = replace;
exports.attachComments = attachComments;
exports.VisitorKeys = VisitorKeys;
exports.VisitorOption = VisitorOption;
exports.Controller = Controller;
exports.cloneEnvironment = function () { return clone({}); };
return exports;
}(exports));
/* vim: set sw=4 ts=4 et tw=80 : */

View File

@ -1,45 +0,0 @@
{
"bugs": {
"url": "https://github.com/estools/estraverse/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "ECMAScript JS AST traversal functions",
"devDependencies": {
"babel-preset-es2015": "^6.3.13",
"babel-register": "^6.3.13",
"chai": "^2.1.1",
"espree": "^1.11.0",
"gulp": "^3.8.10",
"gulp-bump": "^0.2.2",
"gulp-filter": "^2.0.0",
"gulp-git": "^1.0.1",
"gulp-tag-version": "^1.2.1",
"jshint": "^2.5.6",
"mocha": "^2.1.0"
},
"engines": {
"node": ">=0.10.0"
},
"homepage": "https://github.com/estools/estraverse",
"license": "BSD-2-Clause",
"main": "estraverse.js",
"maintainers": [
{
"name": "Yusuke Suzuki",
"email": "utatane.tea@gmail.com",
"url": "http://github.com/Constellation"
}
],
"name": "estraverse",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/estools/estraverse.git"
},
"scripts": {
"lint": "jshint estraverse.js",
"test": "npm run-script lint && npm run-script unit-test",
"unit-test": "mocha --compilers js:babel-register"
},
"version": "4.2.0"
}

View File

@ -98,8 +98,8 @@ respectively. If the `strict` flag is truthy, this function additionally checks
Returns `true` if provided identifier string is a Keyword or Future Reserved Word
in ECMA262 edition 6. They are formally defined in ECMA262 sections
[11.6.2.1](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-keywords) and
[11.6.2.2](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-future-reserved-words),
[11.6.2.1](http://ecma-international.org/ecma-262/6.0/#sec-keywords) and
[11.6.2.2](http://ecma-international.org/ecma-262/6.0/#sec-future-reserved-words),
respectively. If the `strict` flag is truthy, this function additionally checks whether
`id` is a Keyword or Future Reserved Word under strict mode.
@ -113,7 +113,7 @@ is a Reserved Word under strict mode.
#### keyword.isReservedWordES6(id, strict)
Returns `true` if provided identifier string is a Reserved Word in ECMA262 edition 6.
They are formally defined in ECMA262 section [11.6.2](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-reserved-words).
They are formally defined in ECMA262 section [11.6.2](http://ecma-international.org/ecma-262/6.0/#sec-reserved-words).
If the `strict` flag is truthy, this function additionally checks whether `id`
is a Reserved Word under strict mode.
@ -121,13 +121,18 @@ is a Reserved Word under strict mode.
Returns `true` if provided identifier string is one of `eval` or `arguments`.
They are restricted in strict mode code throughout ECMA262 edition 5.1 and
in ECMA262 edition 6 section [12.1.1](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-identifiers-static-semantics-early-errors).
in ECMA262 edition 6 section [12.1.1](http://ecma-international.org/ecma-262/6.0/#sec-identifiers-static-semantics-early-errors).
#### keyword.isIdentifierName(id)
#### keyword.isIdentifierNameES5(id)
Return true if provided identifier string is an IdentifierName as specified in
ECMA262 edition 5.1 section [7.6](https://es5.github.io/#x7.6).
#### keyword.isIdentifierNameES6(id)
Return true if provided identifier string is an IdentifierName as specified in
ECMA262 edition 6 section [11.6](http://ecma-international.org/ecma-262/6.0/#sec-names-and-keywords).
#### keyword.isIdentifierES5(id, strict)
Return true if provided identifier string is an Identifier as specified in
@ -138,7 +143,7 @@ under strict mode.
#### keyword.isIdentifierES6(id, strict)
Return true if provided identifier string is an Identifier as specified in
ECMA262 edition 6 section [12.1](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-identifiers).
ECMA262 edition 6 section [12.1](http://ecma-international.org/ecma-262/6.0/#sec-identifiers).
If the `strict` flag is truthy, this function additionally checks whether `id`
is an Identifier under strict mode.

File diff suppressed because one or more lines are too long

View File

@ -10,8 +10,8 @@
"coffee-script": "~1.6.3",
"jshint": "2.6.3",
"mocha": "~2.2.1",
"regenerate": "~1.2.1",
"unicode-7.0.0": "^0.1.5"
"regenerate": "~1.3.1",
"unicode-9.0.0": "~0.7.0"
},
"directories": {
"lib": "./lib"
@ -25,12 +25,7 @@
"lib"
],
"homepage": "https://github.com/estools/esutils",
"licenses": [
{
"type": "BSD",
"url": "http://github.com/estools/esutils/raw/master/LICENSE.BSD"
}
],
"license": "BSD-2-Clause",
"main": "lib/utils.js",
"maintainers": [
{
@ -50,5 +45,5 @@
"test": "npm run-script lint && npm run-script unit-test",
"unit-test": "mocha --compilers coffee:coffee-script -R spec"
},
"version": "2.0.2"
"version": "2.0.3"
}

View File

@ -1,4 +1,4 @@
Copyright JS Foundation and other contributors <https://js.foundation/>
Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
Based on Underscore.js, copyright Jeremy Ashkenas,
DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>

View File

@ -1,4 +1,4 @@
# lodash v4.17.11
# lodash v4.17.15
The [Lodash](https://lodash.com/) library exported as [Node.js](https://nodejs.org/) modules.
@ -28,12 +28,12 @@ var at = require('lodash/at');
var curryN = require('lodash/fp/curryN');
```
See the [package source](https://github.com/lodash/lodash/tree/4.17.11-npm) for more details.
See the [package source](https://github.com/lodash/lodash/tree/4.17.15-npm) for more details.
**Note:**<br>
Install [n_](https://www.npmjs.com/package/n_) for Lodash use in the Node.js < 6 REPL.
## Support
Tested in Chrome 68-69, Firefox 61-62, IE 11, Edge 17, Safari 10-11, Node.js 6-10, & PhantomJS 2.1.1.<br>
Tested in Chrome 74-75, Firefox 66-67, IE 11, Edge 18, Safari 11-12, & Node.js 8-12.<br>
Automated [browser](https://saucelabs.com/u/lodash) & [CI](https://travis-ci.org/lodash/lodash/) test runs are available.

View File

@ -140,16 +140,10 @@ function baseClone(value, bitmask, customizer, key, object, stack) {
value.forEach(function(subValue) {
result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
});
return result;
}
if (isMap(value)) {
} else if (isMap(value)) {
value.forEach(function(subValue, key) {
result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
});
return result;
}
var keysFunc = isFull

View File

@ -22,8 +22,8 @@ function baseMerge(object, source, srcIndex, customizer, stack) {
return;
}
baseFor(source, function(srcValue, key) {
stack || (stack = new Stack);
if (isObject(srcValue)) {
stack || (stack = new Stack);
baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
}
else {

View File

@ -1,9 +1,11 @@
var toInteger = require('./toInteger'),
var root = require('./_root'),
toInteger = require('./toInteger'),
toNumber = require('./toNumber'),
toString = require('./toString');
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMin = Math.min;
var nativeIsFinite = root.isFinite,
nativeMin = Math.min;
/**
* Creates a function like `_.round`.
@ -17,7 +19,7 @@ function createRound(methodName) {
return function(number, precision) {
number = toNumber(number);
precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
if (precision) {
if (precision && nativeIsFinite(number)) {
// Shift with exponential notation to avoid floating-point issues.
// See [MDN](https://mdn.io/round#Examples) for more details.
var pair = (toString(number) + 'e').split('e'),

View File

@ -1,5 +1,5 @@
/**
* Gets the value at `key`, unless `key` is "__proto__".
* Gets the value at `key`, unless `key` is "__proto__" or "constructor".
*
* @private
* @param {Object} object The object to query.
@ -7,6 +7,10 @@
* @returns {*} Returns the property value.
*/
function safeGet(object, key) {
if (key === 'constructor' && typeof object[key] === 'function') {
return;
}
if (key == '__proto__') {
return;
}

View File

@ -2,7 +2,7 @@
* @license
* Lodash (Custom Build) <https://lodash.com/>
* Build: `lodash core -o ./dist/lodash.core.js`
* Copyright JS Foundation and other contributors <https://js.foundation/>
* Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
* Released under MIT license <https://lodash.com/license>
* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
@ -13,7 +13,7 @@
var undefined;
/** Used as the semantic version number. */
var VERSION = '4.17.11';
var VERSION = '4.17.15';
/** Error message constants. */
var FUNC_ERROR_TEXT = 'Expected a function';

View File

@ -25,5 +25,5 @@ return G(2,n)},o.pick=$n,o.slice=function(n,t,r){var e=null==n?0:n.length;return
return t(n),n},o.thru=function(n,t){return t(n)},o.toArray=function(n){return M(n)?n.length?A(n):[]:W(n)},o.values=W,o.extend=Bn,Y(o,o),o.clone=function(n){return V(n)?Nn(n)?A(n):k(n,_n(n)):n},o.escape=function(n){return(n=Q(n))&&rn.test(n)?n.replace(tn,fn):n},o.every=function(n,t,r){return t=r?Z:t,f(n,g(t))},o.find=An,o.forEach=z,o.has=function(n,t){return null!=n&&pn.call(n,t)},o.head=q,o.identity=X,o.indexOf=P,o.isArguments=n,o.isArray=Nn,o.isBoolean=function(n){return true===n||false===n||H(n)&&"[object Boolean]"==hn.call(n);
},o.isDate=function(n){return H(n)&&"[object Date]"==hn.call(n)},o.isEmpty=function(t){return M(t)&&(Nn(t)||L(t)||U(t.splice)||n(t))?!t.length:!_n(t).length},o.isEqual=function(n,t){return b(n,t)},o.isFinite=function(n){return typeof n=="number"&&gn(n)},o.isFunction=U,o.isNaN=function(n){return K(n)&&n!=+n},o.isNull=function(n){return null===n},o.isNumber=K,o.isObject=V,o.isRegExp=function(n){return H(n)&&"[object RegExp]"==hn.call(n)},o.isString=L,o.isUndefined=function(n){return n===Z},o.last=function(n){
var t=null==n?0:n.length;return t?n[t-1]:Z},o.max=function(n){return n&&n.length?a(n,X,v):Z},o.min=function(n){return n&&n.length?a(n,X,_):Z},o.noConflict=function(){return on._===this&&(on._=vn),this},o.noop=function(){},o.reduce=C,o.result=function(n,t,r){return t=null==n?Z:n[t],t===Z&&(t=r),U(t)?t.call(n):t},o.size=function(n){return null==n?0:(n=M(n)?n:_n(n),n.length)},o.some=function(n,t,r){return t=r?Z:t,E(n,g(t))},o.uniqueId=function(n){var t=++sn;return Q(n)+t},o.each=z,o.first=q,Y(o,function(){
var n={};return s(o,function(t,r){pn.call(o.prototype,r)||(n[r]=t)}),n}(),{chain:false}),o.VERSION="4.17.11",mn("pop join replace reverse split push shift sort splice unshift".split(" "),function(n){var t=(/^(?:replace|split)$/.test(n)?String.prototype:an)[n],r=/^(?:push|sort|unshift)$/.test(n)?"tap":"thru",e=/^(?:pop|join|replace|shift)$/.test(n);o.prototype[n]=function(){var n=arguments;if(e&&!this.__chain__){var u=this.value();return t.apply(Nn(u)?u:[],n)}return this[r](function(r){return t.apply(Nn(r)?r:[],n);
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View File

@ -173,6 +173,7 @@ function debounce(func, wait, options) {
}
if (maxing) {
// Handle invocations in a tight loop.
clearTimeout(timerId);
timerId = setTimeout(timerExpired, wait);
return invokeFunc(lastCallTime);
}

View File

@ -1,7 +1,7 @@
/**
* @license
* Lodash <https://lodash.com/>
* Copyright JS Foundation and other contributors <https://js.foundation/>
* Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
* Released under MIT license <https://lodash.com/license>
* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
@ -12,7 +12,7 @@
var undefined;
/** Used as the semantic version number. */
var VERSION = '4.17.11';
var VERSION = '4.17.15';
/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;
@ -2671,16 +2671,10 @@
value.forEach(function(subValue) {
result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
});
return result;
}
if (isMap(value)) {
} else if (isMap(value)) {
value.forEach(function(subValue, key) {
result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
});
return result;
}
var keysFunc = isFull
@ -3604,8 +3598,8 @@
return;
}
baseFor(source, function(srcValue, key) {
stack || (stack = new Stack);
if (isObject(srcValue)) {
stack || (stack = new Stack);
baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
}
else {
@ -5422,7 +5416,7 @@
return function(number, precision) {
number = toNumber(number);
precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
if (precision) {
if (precision && nativeIsFinite(number)) {
// Shift with exponential notation to avoid floating-point issues.
// See [MDN](https://mdn.io/round#Examples) for more details.
var pair = (toString(number) + 'e').split('e'),
@ -6605,7 +6599,7 @@
}
/**
* Gets the value at `key`, unless `key` is "__proto__".
* Gets the value at `key`, unless `key` is "__proto__" or "constructor".
*
* @private
* @param {Object} object The object to query.
@ -6613,6 +6607,10 @@
* @returns {*} Returns the property value.
*/
function safeGet(object, key) {
if (key === 'constructor' && typeof object[key] === 'function') {
return;
}
if (key == '__proto__') {
return;
}
@ -10413,6 +10411,7 @@
}
if (maxing) {
// Handle invocations in a tight loop.
clearTimeout(timerId);
timerId = setTimeout(timerExpired, wait);
return invokeFunc(lastCallTime);
}
@ -14799,9 +14798,12 @@
, 'g');
// Use a sourceURL for easier debugging.
// The sourceURL gets injected into the source that's eval-ed, so be careful
// with lookup (in case of e.g. prototype pollution), and strip newlines if any.
// A newline wouldn't be a valid sourceURL anyway, and it'd enable code injection.
var sourceURL = '//# sourceURL=' +
('sourceURL' in options
? options.sourceURL
(hasOwnProperty.call(options, 'sourceURL')
? (options.sourceURL + '').replace(/[\r\n]/g, ' ')
: ('lodash.templateSources[' + (++templateCounter) + ']')
) + '\n';
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// If `variable` is not specified wrap a with-statement around the generated
// code to add the data object to the top of the scope chain.
var variable = options.variable;
// Like with sourceURL, we take care to not check the option's prototype,
// as this configuration is a code injection vector.
var variable = hasOwnProperty.call(options, 'variable') && options.variable;
if (!variable) {
source = 'with (obj) {\n' + source + '\n}\n';
}
@ -17039,10 +17043,11 @@
baseForOwn(LazyWrapper.prototype, function(func, methodName) {
var lodashFunc = lodash[methodName];
if (lodashFunc) {
var key = (lodashFunc.name + ''),
names = realNames[key] || (realNames[key] = []);
names.push({ 'name': methodName, 'func': lodashFunc });
var key = lodashFunc.name + '';
if (!hasOwnProperty.call(realNames, key)) {
realNames[key] = [];
}
realNames[key].push({ 'name': methodName, 'func': lodashFunc });
}
});

View File

@ -6,132 +6,132 @@
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wi&&(An.prototype[wi]=Xe),An}();typeof define=="function"&&typeof define.amd=="object"&&define.amd?($n._=rt, define(function(){return rt})):Nn?((Nn.exports=rt)._=rt,Fn._=rt):$n._=rt}).call(this);

View File

@ -1,8 +1,7 @@
{
"author": {
"name": "John-David Dalton",
"email": "john.david.dalton@gmail.com",
"url": "http://allyoucanleet.com/"
"email": "john.david.dalton@gmail.com"
},
"bugs": {
"url": "https://github.com/lodash/lodash/issues"
@ -11,13 +10,11 @@
"contributors": [
{
"name": "John-David Dalton",
"email": "john.david.dalton@gmail.com",
"url": "http://allyoucanleet.com/"
"email": "john.david.dalton@gmail.com"
},
{
"name": "Mathias Bynens",
"email": "mathias@qiwi.be",
"url": "https://mathiasbynens.be/"
"email": "mathias@qiwi.be"
}
],
"deprecated": false,
@ -39,5 +36,5 @@
"scripts": {
"test": "echo \"See https://travis-ci.org/lodash-archive/lodash-cli for testing details.\""
},
"version": "4.17.11"
"version": "4.17.15"
}

View File

@ -27,6 +27,12 @@ var reNoMatch = /($^)/;
/** Used to match unescaped characters in compiled string literals. */
var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
/** Used for built-in method references. */
var objectProto = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/**
* Creates a compiled template function that can interpolate data properties
* in "interpolate" delimiters, HTML-escape interpolated data properties in
@ -162,7 +168,14 @@ function template(string, options, guard) {
, 'g');
// Use a sourceURL for easier debugging.
var sourceURL = 'sourceURL' in options ? '//# sourceURL=' + options.sourceURL + '\n' : '';
// The sourceURL gets injected into the source that's eval-ed, so be careful
// with lookup (in case of e.g. prototype pollution), and strip newlines if any.
// A newline wouldn't be a valid sourceURL anyway, and it'd enable code injection.
var sourceURL = hasOwnProperty.call(options, 'sourceURL')
? ('//# sourceURL=' +
(options.sourceURL + '').replace(/[\r\n]/g, ' ') +
'\n')
: '';
string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
interpolateValue || (interpolateValue = esTemplateValue);
@ -193,7 +206,9 @@ function template(string, options, guard) {
// If `variable` is not specified wrap a with-statement around the generated
// code to add the data object to the top of the scope chain.
var variable = options.variable;
// Like with sourceURL, we take care to not check the option's prototype,
// as this configuration is a code injection vector.
var variable = hasOwnProperty.call(options, 'variable') && options.variable;
if (!variable) {
source = 'with (obj) {\n' + source + '\n}\n';
}

View File

@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2015 Javier Blanco
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

View File

@ -0,0 +1,42 @@
# path-parse [![Build Status](https://travis-ci.org/jbgutierrez/path-parse.svg?branch=master)](https://travis-ci.org/jbgutierrez/path-parse)
> Node.js [`path.parse(pathString)`](https://nodejs.org/api/path.html#path_path_parse_pathstring) [ponyfill](https://ponyfill.com).
## Install
```
$ npm install --save path-parse
```
## Usage
```js
var pathParse = require('path-parse');
pathParse('/home/user/dir/file.txt');
//=> {
// root : "/",
// dir : "/home/user/dir",
// base : "file.txt",
// ext : ".txt",
// name : "file"
// }
```
## API
See [`path.parse(pathString)`](https://nodejs.org/api/path.html#path_path_parse_pathstring) docs.
### pathParse(path)
### pathParse.posix(path)
The Posix specific version.
### pathParse.win32(path)
The Windows specific version.
## License
MIT © [Javier Blanco](http://jbgutierrez.info)

View File

@ -0,0 +1,93 @@
'use strict';
var isWindows = process.platform === 'win32';
// Regex to split a windows path into three parts: [*, device, slash,
// tail] windows-only
var splitDeviceRe =
/^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
// Regex to split the tail part of the above into [*, dir, basename, ext]
var splitTailRe =
/^([\s\S]*?)((?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/;
var win32 = {};
// Function to split a filename into [root, dir, basename, ext]
function win32SplitPath(filename) {
// Separate device+slash from tail
var result = splitDeviceRe.exec(filename),
device = (result[1] || '') + (result[2] || ''),
tail = result[3] || '';
// Split the tail into dir, basename and extension
var result2 = splitTailRe.exec(tail),
dir = result2[1],
basename = result2[2],
ext = result2[3];
return [device, dir, basename, ext];
}
win32.parse = function(pathString) {
if (typeof pathString !== 'string') {
throw new TypeError(
"Parameter 'pathString' must be a string, not " + typeof pathString
);
}
var allParts = win32SplitPath(pathString);
if (!allParts || allParts.length !== 4) {
throw new TypeError("Invalid path '" + pathString + "'");
}
return {
root: allParts[0],
dir: allParts[0] + allParts[1].slice(0, -1),
base: allParts[2],
ext: allParts[3],
name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
};
};
// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
var splitPathRe =
/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
var posix = {};
function posixSplitPath(filename) {
return splitPathRe.exec(filename).slice(1);
}
posix.parse = function(pathString) {
if (typeof pathString !== 'string') {
throw new TypeError(
"Parameter 'pathString' must be a string, not " + typeof pathString
);
}
var allParts = posixSplitPath(pathString);
if (!allParts || allParts.length !== 4) {
throw new TypeError("Invalid path '" + pathString + "'");
}
allParts[1] = allParts[1] || '';
allParts[2] = allParts[2] || '';
allParts[3] = allParts[3] || '';
return {
root: allParts[0],
dir: allParts[0] + allParts[1].slice(0, -1),
base: allParts[2],
ext: allParts[3],
name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
};
};
if (isWindows)
module.exports = win32.parse;
else /* posix */
module.exports = posix.parse;
module.exports.posix = posix.parse;
module.exports.win32 = win32.parse;

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{
"author": {
"name": "Javier Blanco",
"email": "http://jbgutierrez.info"
},
"bugs": {
"url": "https://github.com/jbgutierrez/path-parse/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "Node.js path.parse() ponyfill",
"homepage": "https://github.com/jbgutierrez/path-parse#readme",
"keywords": [
"path",
"paths",
"file",
"dir",
"parse",
"built-in",
"util",
"utils",
"core",
"ponyfill",
"polyfill",
"shim"
],
"license": "MIT",
"main": "index.js",
"name": "path-parse",
"repository": {
"type": "git",
"url": "git+https://github.com/jbgutierrez/path-parse.git"
},
"scripts": {
"test": "node test.js"
},
"version": "1.0.6"
}

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MIT License
Copyright (c) 2012 James Halliday
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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var core = require('./lib/core');
var async = require('./lib/async');
async.core = core;
async.isCore = function isCore(x) { return core[x]; };
async.sync = require('./lib/sync');
exports = async;
module.exports = async;

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var core = require('./core');
var fs = require('fs');
var path = require('path');
var caller = require('./caller.js');
var nodeModulesPaths = require('./node-modules-paths.js');
var normalizeOptions = require('./normalize-options.js');
var defaultIsFile = function isFile(file, cb) {
fs.stat(file, function (err, stat) {
if (!err) {
return cb(null, stat.isFile() || stat.isFIFO());
}
if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
return cb(err);
});
};
var defaultIsDir = function isDirectory(dir, cb) {
fs.stat(dir, function (err, stat) {
if (!err) {
return cb(null, stat.isDirectory());
}
if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
return cb(err);
});
};
var maybeUnwrapSymlink = function maybeUnwrapSymlink(x, opts, cb) {
if (opts && opts.preserveSymlinks === false) {
fs.realpath(x, function (realPathErr, realPath) {
if (realPathErr && realPathErr.code !== 'ENOENT') cb(realPathErr);
else cb(null, realPathErr ? x : realPath);
});
} else {
cb(null, x);
}
};
module.exports = function resolve(x, options, callback) {
var cb = callback;
var opts = options;
if (typeof options === 'function') {
cb = opts;
opts = {};
}
if (typeof x !== 'string') {
var err = new TypeError('Path must be a string.');
return process.nextTick(function () {
cb(err);
});
}
opts = normalizeOptions(x, opts);
var isFile = opts.isFile || defaultIsFile;
var isDirectory = opts.isDirectory || defaultIsDir;
var readFile = opts.readFile || fs.readFile;
var extensions = opts.extensions || ['.js'];
var basedir = opts.basedir || path.dirname(caller());
var parent = opts.filename || basedir;
opts.paths = opts.paths || [];
// ensure that `basedir` is an absolute path at this point, resolving against the process' current working directory
var absoluteStart = path.resolve(basedir);
maybeUnwrapSymlink(
absoluteStart,
opts,
function (err, realStart) {
if (err) cb(err);
else init(realStart);
}
);
var res;
function init(basedir) {
if ((/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/).test(x)) {
res = path.resolve(basedir, x);
if (x === '..' || x.slice(-1) === '/') res += '/';
if ((/\/$/).test(x) && res === basedir) {
loadAsDirectory(res, opts.package, onfile);
} else loadAsFile(res, opts.package, onfile);
} else loadNodeModules(x, basedir, function (err, n, pkg) {
if (err) cb(err);
else if (core[x]) return cb(null, x);
else if (n) {
return maybeUnwrapSymlink(n, opts, function (err, realN) {
if (err) {
cb(err);
} else {
cb(null, realN, pkg);
}
});
} else {
var moduleError = new Error("Cannot find module '" + x + "' from '" + parent + "'");
moduleError.code = 'MODULE_NOT_FOUND';
cb(moduleError);
}
});
}
function onfile(err, m, pkg) {
if (err) cb(err);
else if (m) cb(null, m, pkg);
else loadAsDirectory(res, function (err, d, pkg) {
if (err) cb(err);
else if (d) {
maybeUnwrapSymlink(d, opts, function (err, realD) {
if (err) {
cb(err);
} else {
cb(null, realD, pkg);
}
});
} else {
var moduleError = new Error("Cannot find module '" + x + "' from '" + parent + "'");
moduleError.code = 'MODULE_NOT_FOUND';
cb(moduleError);
}
});
}
function loadAsFile(x, thePackage, callback) {
var loadAsFilePackage = thePackage;
var cb = callback;
if (typeof loadAsFilePackage === 'function') {
cb = loadAsFilePackage;
loadAsFilePackage = undefined;
}
var exts = [''].concat(extensions);
load(exts, x, loadAsFilePackage);
function load(exts, x, loadPackage) {
if (exts.length === 0) return cb(null, undefined, loadPackage);
var file = x + exts[0];
var pkg = loadPackage;
if (pkg) onpkg(null, pkg);
else loadpkg(path.dirname(file), onpkg);
function onpkg(err, pkg_, dir) {
pkg = pkg_;
if (err) return cb(err);
if (dir && pkg && opts.pathFilter) {
var rfile = path.relative(dir, file);
var rel = rfile.slice(0, rfile.length - exts[0].length);
var r = opts.pathFilter(pkg, x, rel);
if (r) return load(
[''].concat(extensions.slice()),
path.resolve(dir, r),
pkg
);
}
isFile(file, onex);
}
function onex(err, ex) {
if (err) return cb(err);
if (ex) return cb(null, file, pkg);
load(exts.slice(1), x, pkg);
}
}
}
function loadpkg(dir, cb) {
if (dir === '' || dir === '/') return cb(null);
if (process.platform === 'win32' && (/^\w:[/\\]*$/).test(dir)) {
return cb(null);
}
if ((/[/\\]node_modules[/\\]*$/).test(dir)) return cb(null);
var pkgfile = path.join(dir, 'package.json');
isFile(pkgfile, function (err, ex) {
// on err, ex is false
if (!ex) return loadpkg(path.dirname(dir), cb);
readFile(pkgfile, function (err, body) {
if (err) cb(err);
try { var pkg = JSON.parse(body); } catch (jsonErr) {}
if (pkg && opts.packageFilter) {
pkg = opts.packageFilter(pkg, pkgfile);
}
cb(null, pkg, dir);
});
});
}
function loadAsDirectory(x, loadAsDirectoryPackage, callback) {
var cb = callback;
var fpkg = loadAsDirectoryPackage;
if (typeof fpkg === 'function') {
cb = fpkg;
fpkg = opts.package;
}
var pkgfile = path.join(x, 'package.json');
isFile(pkgfile, function (err, ex) {
if (err) return cb(err);
if (!ex) return loadAsFile(path.join(x, 'index'), fpkg, cb);
readFile(pkgfile, function (err, body) {
if (err) return cb(err);
try {
var pkg = JSON.parse(body);
} catch (jsonErr) {}
if (opts.packageFilter) {
pkg = opts.packageFilter(pkg, pkgfile);
}
if (pkg.main) {
if (typeof pkg.main !== 'string') {
var mainError = new TypeError('package “' + pkg.name + '” `main` must be a string');
mainError.code = 'INVALID_PACKAGE_MAIN';
return cb(mainError);
}
if (pkg.main === '.' || pkg.main === './') {
pkg.main = 'index';
}
loadAsFile(path.resolve(x, pkg.main), pkg, function (err, m, pkg) {
if (err) return cb(err);
if (m) return cb(null, m, pkg);
if (!pkg) return loadAsFile(path.join(x, 'index'), pkg, cb);
var dir = path.resolve(x, pkg.main);
loadAsDirectory(dir, pkg, function (err, n, pkg) {
if (err) return cb(err);
if (n) return cb(null, n, pkg);
loadAsFile(path.join(x, 'index'), pkg, cb);
});
});
return;
}
loadAsFile(path.join(x, '/index'), pkg, cb);
});
});
}
function processDirs(cb, dirs) {
if (dirs.length === 0) return cb(null, undefined);
var dir = dirs[0];
isDirectory(dir, isdir);
function isdir(err, isdir) {
if (err) return cb(err);
if (!isdir) return processDirs(cb, dirs.slice(1));
var file = path.join(dir, x);
loadAsFile(file, opts.package, onfile);
}
function onfile(err, m, pkg) {
if (err) return cb(err);
if (m) return cb(null, m, pkg);
loadAsDirectory(path.join(dir, x), opts.package, ondir);
}
function ondir(err, n, pkg) {
if (err) return cb(err);
if (n) return cb(null, n, pkg);
processDirs(cb, dirs.slice(1));
}
}
function loadNodeModules(x, start, cb) {
processDirs(cb, nodeModulesPaths(start, opts, x));
}
};

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module.exports = function () {
// see https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
var origPrepareStackTrace = Error.prepareStackTrace;
Error.prepareStackTrace = function (_, stack) { return stack; };
var stack = (new Error()).stack;
Error.prepareStackTrace = origPrepareStackTrace;
return stack[2].getFileName();
};

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var current = (process.versions && process.versions.node && process.versions.node.split('.')) || [];
function specifierIncluded(specifier) {
var parts = specifier.split(' ');
var op = parts.length > 1 ? parts[0] : '=';
var versionParts = (parts.length > 1 ? parts[1] : parts[0]).split('.');
for (var i = 0; i < 3; ++i) {
var cur = Number(current[i] || 0);
var ver = Number(versionParts[i] || 0);
if (cur === ver) {
continue; // eslint-disable-line no-restricted-syntax, no-continue
}
if (op === '<') {
return cur < ver;
} else if (op === '>=') {
return cur >= ver;
} else {
return false;
}
}
return op === '>=';
}
function matchesRange(range) {
var specifiers = range.split(/ ?&& ?/);
if (specifiers.length === 0) { return false; }
for (var i = 0; i < specifiers.length; ++i) {
if (!specifierIncluded(specifiers[i])) { return false; }
}
return true;
}
function versionIncluded(specifierValue) {
if (typeof specifierValue === 'boolean') { return specifierValue; }
if (specifierValue && typeof specifierValue === 'object') {
for (var i = 0; i < specifierValue.length; ++i) {
if (matchesRange(specifierValue[i])) { return true; }
}
return false;
}
return matchesRange(specifierValue);
}
var data = require('./core.json');
var core = {};
for (var mod in data) { // eslint-disable-line no-restricted-syntax
if (Object.prototype.hasOwnProperty.call(data, mod)) {
core[mod] = versionIncluded(data[mod]);
}
}
module.exports = core;

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{
"assert": true,
"async_hooks": ">= 8",
"buffer_ieee754": "< 0.9.7",
"buffer": true,
"child_process": true,
"cluster": true,
"console": true,
"constants": true,
"crypto": true,
"_debug_agent": ">= 1 && < 8",
"_debugger": "< 8",
"dgram": true,
"dns": true,
"domain": true,
"events": true,
"freelist": "< 6",
"fs": true,
"fs/promises": ">= 10 && < 10.1",
"_http_agent": ">= 0.11.1",
"_http_client": ">= 0.11.1",
"_http_common": ">= 0.11.1",
"_http_incoming": ">= 0.11.1",
"_http_outgoing": ">= 0.11.1",
"_http_server": ">= 0.11.1",
"http": true,
"http2": ">= 8.8",
"https": true,
"inspector": ">= 8.0.0",
"_linklist": "< 8",
"module": true,
"net": true,
"node-inspect/lib/_inspect": ">= 7.6.0 && < 12",
"node-inspect/lib/internal/inspect_client": ">= 7.6.0 && < 12",
"node-inspect/lib/internal/inspect_repl": ">= 7.6.0 && < 12",
"os": true,
"path": true,
"perf_hooks": ">= 8.5",
"process": ">= 1",
"punycode": true,
"querystring": true,
"readline": true,
"repl": true,
"smalloc": ">= 0.11.5 && < 3",
"_stream_duplex": ">= 0.9.4",
"_stream_transform": ">= 0.9.4",
"_stream_wrap": ">= 1.4.1",
"_stream_passthrough": ">= 0.9.4",
"_stream_readable": ">= 0.9.4",
"_stream_writable": ">= 0.9.4",
"stream": true,
"string_decoder": true,
"sys": true,
"timers": true,
"_tls_common": ">= 0.11.13",
"_tls_legacy": ">= 0.11.3 && < 10",
"_tls_wrap": ">= 0.11.3",
"tls": true,
"trace_events": ">= 10",
"tty": true,
"url": true,
"util": true,
"v8/tools/arguments": ">= 10 && < 12",
"v8/tools/codemap": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
"v8/tools/consarray": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
"v8/tools/csvparser": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
"v8/tools/logreader": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
"v8/tools/profile_view": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
"v8/tools/splaytree": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
"v8": ">= 1",
"vm": true,
"worker_threads": ">= 11.7",
"zlib": true
}

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var path = require('path');
var parse = path.parse || require('path-parse');
var getNodeModulesDirs = function getNodeModulesDirs(absoluteStart, modules) {
var prefix = '/';
if ((/^([A-Za-z]:)/).test(absoluteStart)) {
prefix = '';
} else if ((/^\\\\/).test(absoluteStart)) {
prefix = '\\\\';
}
var paths = [absoluteStart];
var parsed = parse(absoluteStart);
while (parsed.dir !== paths[paths.length - 1]) {
paths.push(parsed.dir);
parsed = parse(parsed.dir);
}
return paths.reduce(function (dirs, aPath) {
return dirs.concat(modules.map(function (moduleDir) {
return path.resolve(prefix, aPath, moduleDir);
}));
}, []);
};
module.exports = function nodeModulesPaths(start, opts, request) {
var modules = opts && opts.moduleDirectory
? [].concat(opts.moduleDirectory)
: ['node_modules'];
if (opts && typeof opts.paths === 'function') {
return opts.paths(
request,
start,
function () { return getNodeModulesDirs(start, modules); },
opts
);
}
var dirs = getNodeModulesDirs(start, modules);
return opts && opts.paths ? dirs.concat(opts.paths) : dirs;
};

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module.exports = function (x, opts) {
/**
* This file is purposefully a passthrough. It's expected that third-party
* environments will override it at runtime in order to inject special logic
* into `resolve` (by manipulating the options). One such example is the PnP
* code path in Yarn.
*/
return opts || {};
};

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var core = require('./core');
var fs = require('fs');
var path = require('path');
var caller = require('./caller.js');
var nodeModulesPaths = require('./node-modules-paths.js');
var normalizeOptions = require('./normalize-options.js');
var defaultIsFile = function isFile(file) {
try {
var stat = fs.statSync(file);
} catch (e) {
if (e && (e.code === 'ENOENT' || e.code === 'ENOTDIR')) return false;
throw e;
}
return stat.isFile() || stat.isFIFO();
};
var defaultIsDir = function isDirectory(dir) {
try {
var stat = fs.statSync(dir);
} catch (e) {
if (e && (e.code === 'ENOENT' || e.code === 'ENOTDIR')) return false;
throw e;
}
return stat.isDirectory();
};
var maybeUnwrapSymlink = function maybeUnwrapSymlink(x, opts) {
if (opts && opts.preserveSymlinks === false) {
try {
return fs.realpathSync(x);
} catch (realPathErr) {
if (realPathErr.code !== 'ENOENT') {
throw realPathErr;
}
}
}
return x;
};
module.exports = function (x, options) {
if (typeof x !== 'string') {
throw new TypeError('Path must be a string.');
}
var opts = normalizeOptions(x, options);
var isFile = opts.isFile || defaultIsFile;
var readFileSync = opts.readFileSync || fs.readFileSync;
var isDirectory = opts.isDirectory || defaultIsDir;
var extensions = opts.extensions || ['.js'];
var basedir = opts.basedir || path.dirname(caller());
var parent = opts.filename || basedir;
opts.paths = opts.paths || [];
// ensure that `basedir` is an absolute path at this point, resolving against the process' current working directory
var absoluteStart = maybeUnwrapSymlink(path.resolve(basedir), opts);
if ((/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/).test(x)) {
var res = path.resolve(absoluteStart, x);
if (x === '..' || x.slice(-1) === '/') res += '/';
var m = loadAsFileSync(res) || loadAsDirectorySync(res);
if (m) return maybeUnwrapSymlink(m, opts);
} else if (core[x]) {
return x;
} else {
var n = loadNodeModulesSync(x, absoluteStart);
if (n) return maybeUnwrapSymlink(n, opts);
}
if (core[x]) return x;
var err = new Error("Cannot find module '" + x + "' from '" + parent + "'");
err.code = 'MODULE_NOT_FOUND';
throw err;
function loadAsFileSync(x) {
var pkg = loadpkg(path.dirname(x));
if (pkg && pkg.dir && pkg.pkg && opts.pathFilter) {
var rfile = path.relative(pkg.dir, x);
var r = opts.pathFilter(pkg.pkg, x, rfile);
if (r) {
x = path.resolve(pkg.dir, r); // eslint-disable-line no-param-reassign
}
}
if (isFile(x)) {
return x;
}
for (var i = 0; i < extensions.length; i++) {
var file = x + extensions[i];
if (isFile(file)) {
return file;
}
}
}
function loadpkg(dir) {
if (dir === '' || dir === '/') return;
if (process.platform === 'win32' && (/^\w:[/\\]*$/).test(dir)) {
return;
}
if ((/[/\\]node_modules[/\\]*$/).test(dir)) return;
var pkgfile = path.join(dir, 'package.json');
if (!isFile(pkgfile)) {
return loadpkg(path.dirname(dir));
}
var body = readFileSync(pkgfile);
try {
var pkg = JSON.parse(body);
} catch (jsonErr) {}
if (pkg && opts.packageFilter) {
pkg = opts.packageFilter(pkg, dir);
}
return { pkg: pkg, dir: dir };
}
function loadAsDirectorySync(x) {
var pkgfile = path.join(x, '/package.json');
if (isFile(pkgfile)) {
try {
var body = readFileSync(pkgfile, 'UTF8');
var pkg = JSON.parse(body);
} catch (e) {}
if (opts.packageFilter) {
pkg = opts.packageFilter(pkg, x);
}
if (pkg.main) {
if (typeof pkg.main !== 'string') {
var mainError = new TypeError('package “' + pkg.name + '” `main` must be a string');
mainError.code = 'INVALID_PACKAGE_MAIN';
throw mainError;
}
if (pkg.main === '.' || pkg.main === './') {
pkg.main = 'index';
}
try {
var m = loadAsFileSync(path.resolve(x, pkg.main));
if (m) return m;
var n = loadAsDirectorySync(path.resolve(x, pkg.main));
if (n) return n;
} catch (e) {}
}
}
return loadAsFileSync(path.join(x, '/index'));
}
function loadNodeModulesSync(x, start) {
var dirs = nodeModulesPaths(start, opts, x);
for (var i = 0; i < dirs.length; i++) {
var dir = dirs[i];
if (isDirectory(dir)) {
var m = loadAsFileSync(path.join(dir, '/', x));
if (m) return m;
var n = loadAsDirectorySync(path.join(dir, '/', x));
if (n) return n;
}
}
}
};

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{
"author": {
"name": "James Halliday",
"email": "mail@substack.net",
"url": "http://substack.net"
},
"bugs": {
"url": "https://github.com/browserify/resolve/issues"
},
"bundleDependencies": false,
"dependencies": {
"path-parse": "^1.0.6"
},
"deprecated": false,
"description": "resolve like require.resolve() on behalf of files asynchronously and synchronously",
"devDependencies": {
"@ljharb/eslint-config": "^13.1.1",
"eslint": "^5.16.0",
"object-keys": "^1.1.1",
"safe-publish-latest": "^1.1.2",
"tap": "0.4.13",
"tape": "^4.11.0"
},
"homepage": "https://github.com/browserify/resolve#readme",
"keywords": [
"resolve",
"require",
"node",
"module"
],
"license": "MIT",
"main": "index.js",
"name": "resolve",
"repository": {
"type": "git",
"url": "git://github.com/browserify/resolve.git"
},
"scripts": {
"lint": "eslint .",
"posttest": "npm run test:multirepo",
"prepublish": "safe-publish-latest",
"pretest": "npm run lint",
"pretests-only": "cd ./test/resolver/nested_symlinks && node mylib/sync && node mylib/async",
"test": "npm run --silent tests-only",
"test:multirepo": "cd ./test/resolver/multirepo && npm install && npm test",
"tests-only": "tape test/*.js"
},
"version": "1.12.0"
}

View File

@ -0,0 +1,201 @@
# resolve
implements the [node `require.resolve()`
algorithm](https://nodejs.org/api/modules.html#modules_all_together)
such that you can `require.resolve()` on behalf of a file asynchronously and
synchronously
[![build status](https://secure.travis-ci.org/browserify/node-resolve.png)](http://travis-ci.org/browserify/node-resolve)
# example
asynchronously resolve:
```js
var resolve = require('resolve');
resolve('tap', { basedir: __dirname }, function (err, res) {
if (err) console.error(err);
else console.log(res);
});
```
```
$ node example/async.js
/home/substack/projects/node-resolve/node_modules/tap/lib/main.js
```
synchronously resolve:
```js
var resolve = require('resolve');
var res = resolve.sync('tap', { basedir: __dirname });
console.log(res);
```
```
$ node example/sync.js
/home/substack/projects/node-resolve/node_modules/tap/lib/main.js
```
# methods
```js
var resolve = require('resolve');
```
## resolve(id, opts={}, cb)
Asynchronously resolve the module path string `id` into `cb(err, res [, pkg])`, where `pkg` (if defined) is the data from `package.json`.
options are:
* opts.basedir - directory to begin resolving from
* opts.package - `package.json` data applicable to the module being loaded
* opts.extensions - array of file extensions to search in order
* opts.readFile - how to read files asynchronously
* opts.isFile - function to asynchronously test whether a file exists
* opts.isDirectory - function to asynchronously test whether a directory exists
* `opts.packageFilter(pkg, pkgfile)` - transform the parsed package.json contents before looking at the "main" field
* pkg - package data
* pkgfile - path to package.json
* `opts.pathFilter(pkg, path, relativePath)` - transform a path within a package
* pkg - package data
* path - the path being resolved
* relativePath - the path relative from the package.json location
* returns - a relative path that will be joined from the package.json location
* opts.paths - require.paths array to use if nothing is found on the normal `node_modules` recursive walk (probably don't use this)
For advanced users, `paths` can also be a `opts.paths(request, start, opts)` function
* request - the import specifier being resolved
* start - lookup path
* getNodeModulesDirs - a thunk (no-argument function) that returns the paths using standard `node_modules` resolution
* opts - the resolution options
* opts.moduleDirectory - directory (or directories) in which to recursively look for modules. default: `"node_modules"`
* opts.preserveSymlinks - if true, doesn't resolve `basedir` to real path before resolving.
This is the way Node resolves dependencies when executed with the [--preserve-symlinks](https://nodejs.org/api/all.html#cli_preserve_symlinks) flag.
**Note:** this property is currently `true` by default but it will be changed to
`false` in the next major version because *Node's resolution algorithm does not preserve symlinks by default*.
default `opts` values:
```js
{
paths: [],
basedir: __dirname,
extensions: ['.js'],
readFile: fs.readFile,
isFile: function isFile(file, cb) {
fs.stat(file, function (err, stat) {
if (!err) {
return cb(null, stat.isFile() || stat.isFIFO());
}
if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
return cb(err);
});
},
isDirectory: function isDirectory(dir, cb) {
fs.stat(dir, function (err, stat) {
if (!err) {
return cb(null, stat.isDirectory());
}
if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
return cb(err);
});
},
moduleDirectory: 'node_modules',
preserveSymlinks: true
}
```
## resolve.sync(id, opts)
Synchronously resolve the module path string `id`, returning the result and
throwing an error when `id` can't be resolved.
options are:
* opts.basedir - directory to begin resolving from
* opts.extensions - array of file extensions to search in order
* opts.readFile - how to read files synchronously
* opts.isFile - function to synchronously test whether a file exists
* opts.isDirectory - function to synchronously test whether a directory exists
* `opts.packageFilter(pkg, dir)` - transform the parsed package.json contents before looking at the "main" field
* pkg - package data
* dir - directory for package.json (Note: the second argument will change to "pkgfile" in v2)
* `opts.pathFilter(pkg, path, relativePath)` - transform a path within a package
* pkg - package data
* path - the path being resolved
* relativePath - the path relative from the package.json location
* returns - a relative path that will be joined from the package.json location
* opts.paths - require.paths array to use if nothing is found on the normal `node_modules` recursive walk (probably don't use this)
* opts.moduleDirectory - directory (or directories) in which to recursively look for modules. default: `"node_modules"`
* opts.preserveSymlinks - if true, doesn't resolve `basedir` to real path before resolving.
This is the way Node resolves dependencies when executed with the [--preserve-symlinks](https://nodejs.org/api/all.html#cli_preserve_symlinks) flag.
**Note:** this property is currently `true` by default but it will be changed to
`false` in the next major version because *Node's resolution algorithm does not preserve symlinks by default*.
default `opts` values:
```js
{
paths: [],
basedir: __dirname,
extensions: ['.js'],
readFileSync: fs.readFileSync,
isFile: function isFile(file) {
try {
var stat = fs.statSync(file);
} catch (e) {
if (e && (e.code === 'ENOENT' || e.code === 'ENOTDIR')) return false;
throw e;
}
return stat.isFile() || stat.isFIFO();
},
isDirectory: function isDirectory(dir) {
try {
var stat = fs.statSync(dir);
} catch (e) {
if (e && (e.code === 'ENOENT' || e.code === 'ENOTDIR')) return false;
throw e;
}
return stat.isDirectory();
},
moduleDirectory: 'node_modules',
preserveSymlinks: true
}
```
## resolve.isCore(pkg)
Return whether a package is in core.
# install
With [npm](https://npmjs.org) do:
```sh
npm install resolve
```
# license
MIT

View File

@ -12,8 +12,8 @@
"@babel/parser": "^7.0.0",
"@babel/traverse": "^7.0.0",
"@babel/types": "^7.0.0",
"eslint-scope": "3.7.1",
"eslint-visitor-keys": "^1.0.0"
"eslint-visitor-keys": "^1.0.0",
"resolve": "^1.12.0"
},
"deprecated": false,
"description": "Custom parser for ESLint",
@ -63,5 +63,5 @@
"test": "npm run lint && npm run test-only",
"test-only": "mocha && mocha --require test/fixtures/preprocess-to-patch.js"
},
"version": "10.0.2"
"version": "10.0.3"
}