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readline: use module.exports = {} on internal/readline

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PR-URL: https://github.com/nodejs/node/pull/12755
Reviewed-By: Anna Henningsen <anna@addaleax.net>
This commit is contained in:
James M Snell 2017-04-29 13:43:43 -07:00 committed by Anna Henningsen
parent 9318f82937
commit 392a8987c6
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GPG Key ID: D8B9F5AEAE84E4CF
1 changed files with 15 additions and 11 deletions
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26
lib/internal/readline.js
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@ -7,15 +7,12 @@
const ansi = const ansi =
/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g; /[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g;
var getStringWidth;
module.exports = { var isFullWidthCodePoint;
emitKeys,
stripVTControlCharacters
};
if (process.binding('config').hasIntl) { if (process.binding('config').hasIntl) {
const icu = process.binding('icu'); const icu = process.binding('icu');
module.exports.getStringWidth = function getStringWidth(str, options) { getStringWidth = function getStringWidth(str, options) {
options = options || {}; options = options || {};
if (!Number.isInteger(str)) if (!Number.isInteger(str))
str = stripVTControlCharacters(String(str)); str = stripVTControlCharacters(String(str));
@ -23,7 +20,7 @@ if (process.binding('config').hasIntl) {
Boolean(options.ambiguousAsFullWidth), Boolean(options.ambiguousAsFullWidth),
Boolean(options.expandEmojiSequence)); Boolean(options.expandEmojiSequence));
}; };
module.exports.isFullWidthCodePoint = isFullWidthCodePoint =
function isFullWidthCodePoint(code, options) { function isFullWidthCodePoint(code, options) {
if (typeof code !== 'number') if (typeof code !== 'number')
return false; return false;
@ -33,9 +30,9 @@ if (process.binding('config').hasIntl) {
/** /**
* Returns the number of columns required to display the given string. * Returns the number of columns required to display the given string.
*/ */
module.exports.getStringWidth = function getStringWidth(str) { getStringWidth = function getStringWidth(str) {
if (Number.isInteger(str)) if (Number.isInteger(str))
return module.exports.isFullWidthCodePoint(str) ? 2 : 1; return isFullWidthCodePoint(str) ? 2 : 1;
let width = 0; let width = 0;
@ -48,7 +45,7 @@ if (process.binding('config').hasIntl) {
i++; i++;
} }
if (module.exports.isFullWidthCodePoint(code)) { if (isFullWidthCodePoint(code)) {
width += 2; width += 2;
} else { } else {
width++; width++;
@ -62,7 +59,7 @@ if (process.binding('config').hasIntl) {
* Returns true if the character represented by a given * Returns true if the character represented by a given
* Unicode code point is full-width. Otherwise returns false. * Unicode code point is full-width. Otherwise returns false.
*/ */
module.exports.isFullWidthCodePoint = function isFullWidthCodePoint(code) { isFullWidthCodePoint = function isFullWidthCodePoint(code) {
if (!Number.isInteger(code)) { if (!Number.isInteger(code)) {
return false; return false;
} }
@ -407,3 +404,10 @@ function* emitKeys(stream) {
/* Unrecognized or broken escape sequence, don't emit anything */ /* Unrecognized or broken escape sequence, don't emit anything */
} }
} }
module.exports = {
emitKeys,
getStringWidth,
isFullWidthCodePoint,
stripVTControlCharacters
};