url: remove redundant function

PR-URL: https://github.com/nodejs/node/pull/19076
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

lib/internal/url.js

@@ -887,8 +887,7 @@ function serializeParams(array) {
 
   const firstEncodedParam = encodeStr(array[0], noEscape, paramHexTable);
   const firstEncodedValue = encodeStr(array[1], noEscape, paramHexTable);
-  let output =
+  let output = `${firstEncodedParam}=${firstEncodedValue}`;
-    `${firstEncodedParam}=${firstEncodedValue}`;
 
   for (var i = 2; i < len; i += 2) {
     const encodedParam = encodeStr(array[i], noEscape, paramHexTable);

lib/url.js

@@ -38,7 +38,8 @@ const {
   URLSearchParams,
   domainToASCII,
   domainToUnicode,
-  formatSymbol
+  formatSymbol,
+  encodeStr,
 } = require('internal/url');
 
 // Original url.parse() API
@@ -543,10 +544,27 @@ function urlFormat(urlObject, options) {
   return urlObject.format();
 }
 
+// These characters do not need escaping:
+// ! - . _ ~
+// ' ( ) * :
+// digits
+// alpha (uppercase)
+// alpha (lowercase)
+const noEscapeAuth = [
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00 - 0x0F
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10 - 0x1F
+  0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, // 0x20 - 0x2F
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, // 0x30 - 0x3F
+  0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 - 0x4F
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, // 0x50 - 0x5F
+  0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 - 0x6F
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0  // 0x70 - 0x7F
+];
+
 Url.prototype.format = function format() {
   var auth = this.auth || '';
   if (auth) {
-    auth = encodeAuth(auth);
+    auth = encodeStr(auth, noEscapeAuth, hexTable);
     auth += '@';
   }
 
@@ -931,78 +949,6 @@ Url.prototype.parseHost = function parseHost() {
   if (host) this.hostname = host;
 };
 
-// These characters do not need escaping:
-// ! - . _ ~
-// ' ( ) * :
-// digits
-// alpha (uppercase)
-// alpha (lowercase)
-const noEscapeAuth = [
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00 - 0x0F
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10 - 0x1F
-  0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, // 0x20 - 0x2F
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, // 0x30 - 0x3F
-  0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 - 0x4F
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, // 0x50 - 0x5F
-  0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 - 0x6F
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0  // 0x70 - 0x7F
-];
-
-function encodeAuth(str) {
-  // faster encodeURIComponent alternative for encoding auth uri components
-  var out = '';
-  var lastPos = 0;
-  for (var i = 0; i < str.length; ++i) {
-    var c = str.charCodeAt(i);
-
-    // ASCII
-    if (c < 0x80) {
-      if (noEscapeAuth[c] === 1)
-        continue;
-      if (lastPos < i)
-        out += str.slice(lastPos, i);
-      lastPos = i + 1;
-      out += hexTable[c];
-      continue;
-    }
-
-    if (lastPos < i)
-      out += str.slice(lastPos, i);
-
-    // Multi-byte characters ...
-    if (c < 0x800) {
-      lastPos = i + 1;
-      out += hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)];
-      continue;
-    }
-    if (c < 0xD800 || c >= 0xE000) {
-      lastPos = i + 1;
-      out += hexTable[0xE0 | (c >> 12)] +
-             hexTable[0x80 | ((c >> 6) & 0x3F)] +
-             hexTable[0x80 | (c & 0x3F)];
-      continue;
-    }
-    // Surrogate pair
-    ++i;
-    var c2;
-    if (i < str.length)
-      c2 = str.charCodeAt(i) & 0x3FF;
-    else
-      c2 = 0;
-    lastPos = i + 1;
-    c = 0x10000 + (((c & 0x3FF) << 10) | c2);
-    out += hexTable[0xF0 | (c >> 18)] +
-           hexTable[0x80 | ((c >> 12) & 0x3F)] +
-           hexTable[0x80 | ((c >> 6) & 0x3F)] +
-           hexTable[0x80 | (c & 0x3F)];
-  }
-  if (lastPos === 0)
-    return str;
-  if (lastPos < str.length)
-    return out + str.slice(lastPos);
-  return out;
-}
-
 module.exports = {
   // Original API
   Url,