lodash.escaperegexp - npm Package Compare versions

Comparing version 3.0.0 to 3.0.1

index.js

 /**
- * lodash 3.0.0 (Custom Build) <https://lodash.com/>
+ * lodash 3.0.1 (Custom Build) <https://lodash.com/>
  * Build: `lodash modern modularize exports="npm" -o ./`
  * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
- * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
  * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
@@ -12,13 +12,49 @@ * Available under MIT license <https://lodash.com/license>
 /**
- * Used to match `RegExp` special characters.
- * See this [article on `RegExp` characters](http://www.regular-expressions.info/characters.html#special)
- * for more details.
+ * Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns)
+ * and those outlined by [`EscapeRegExpPattern`](http://ecma-international.org/ecma-262/6.0/#sec-escaperegexppattern).
  */
-var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g,
+var reRegExpChars = /^[:!,]|[\\^$.*+?()[\]{}|\/]|(^[0-9a-fA-Fnrtuvx])|([\n\r\u2028\u2029])/g,
     reHasRegExpChars = RegExp(reRegExpChars.source);
 
+/** Used to escape characters for inclusion in compiled regexes. */
+var regexpEscapes = {
+  '0': 'x30', '1': 'x31', '2': 'x32', '3': 'x33', '4': 'x34',
+  '5': 'x35', '6': 'x36', '7': 'x37', '8': 'x38', '9': 'x39',
+  'A': 'x41', 'B': 'x42', 'C': 'x43', 'D': 'x44', 'E': 'x45', 'F': 'x46',
+  'a': 'x61', 'b': 'x62', 'c': 'x63', 'd': 'x64', 'e': 'x65', 'f': 'x66',
+  'n': 'x6e', 'r': 'x72', 't': 'x74', 'u': 'x75', 'v': 'x76', 'x': 'x78'
+};
+
+/** Used to escape characters for inclusion in compiled string literals. */
+var stringEscapes = {
+  '\\': '\\',
+  "'": "'",
+  '\n': 'n',
+  '\r': 'r',
+  '\u2028': 'u2028',
+  '\u2029': 'u2029'
+};
+
 /**
- * Escapes the `RegExp` special characters "\", "^", "$", ".", "|", "?", "*",
- * "+", "(", ")", "[", "]", "{" and "}" in `string`.
+ * Used by `_.escapeRegExp` to escape characters for inclusion in compiled regexes.
  *
+ * @private
+ * @param {string} chr The matched character to escape.
+ * @param {string} leadingChar The capture group for a leading character.
+ * @param {string} whitespaceChar The capture group for a whitespace character.
+ * @returns {string} Returns the escaped character.
+ */
+function escapeRegExpChar(chr, leadingChar, whitespaceChar) {
+  if (leadingChar) {
+    chr = regexpEscapes[chr];
+  } else if (whitespaceChar) {
+    chr = stringEscapes[chr];
+  }
+  return '\\' + chr;
+}
+
+/**
+ * Escapes the `RegExp` special characters "\", "/", "^", "$", ".", "|", "?",
+ * "*", "+", "(", ")", "[", "]", "{" and "}" in `string`.
+ *
  * @static
@@ -32,3 +68,3 @@ * @memberOf _
  * _.escapeRegExp('[lodash](https://lodash.com/)');
- * // => '\[lodash\]\(https://lodash\.com/\)'
+ * // => '\[lodash\]\(https:\/\/lodash\.com\/\)'
  */
@@ -38,6 +74,6 @@ function escapeRegExp(string) {
   return (string && reHasRegExpChars.test(string))
-    ? string.replace(reRegExpChars, '\\$&')
-    : string;
+    ? string.replace(reRegExpChars, escapeRegExpChar)
+    : (string || '(?:)');
 }
 
 module.exports = escapeRegExp;

package.json

 {
   "name": "lodash.escaperegexp",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "The modern build of lodash’s `_.escapeRegExp` as a module.",
@@ -5,0 +5,0 @@ "homepage": "https://lodash.com/",

README.md

@@ -1,2 +0,2 @@
-# lodash.escaperegexp v3.0.0
+# lodash.escaperegexp v3.0.1
 
@@ -20,2 +20,2 @@ The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.escapeRegExp` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
 
-See the [documentation](https://lodash.com/docs#escapeRegExp) or [package source](https://github.com/lodash/lodash/blob/3.0.0-npm-packages/lodash.escaperegexp) for more details.
+See the [documentation](https://lodash.com/docs#escapeRegExp) or [package source](https://github.com/lodash/lodash/blob/3.0.1-npm-packages/lodash.escaperegexp) for more details.

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Improved metrics

Total package byte prevSize

5486

increased by31.94%

Lines of code

70

increased by89.19%

No dependency changes