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[yaffs-website] / node_modules / grunt-uncss / node_modules / lodash / trim.js

diff --git a/node_modules/grunt-uncss/node_modules/lodash/trim.js b/node_modules/grunt-uncss/node_modules/lodash/trim.js
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+var baseToString = require('./_baseToString'),
+    castSlice = require('./_castSlice'),
+    charsEndIndex = require('./_charsEndIndex'),
+    charsStartIndex = require('./_charsStartIndex'),
+    stringToArray = require('./_stringToArray'),
+    toString = require('./toString');
+
+/** Used to match leading and trailing whitespace. */
+var reTrim = /^\s+|\s+$/g;
+
+/**
+ * Removes leading and trailing whitespace or specified characters from `string`.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to trim.
+ * @param {string} [chars=whitespace] The characters to trim.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {string} Returns the trimmed string.
+ * @example
+ *
+ * _.trim('  abc  ');
+ * // => 'abc'
+ *
+ * _.trim('-_-abc-_-', '_-');
+ * // => 'abc'
+ *
+ * _.map(['  foo  ', '  bar  '], _.trim);
+ * // => ['foo', 'bar']
+ */
+function trim(string, chars, guard) {
+  string = toString(string);
+  if (string && (guard || chars === undefined)) {
+    return string.replace(reTrim, '');
+  }
+  if (!string || !(chars = baseToString(chars))) {
+    return string;
+  }
+  var strSymbols = stringToArray(string),
+      chrSymbols = stringToArray(chars),
+      start = charsStartIndex(strSymbols, chrSymbols),
+      end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+  return castSlice(strSymbols, start, end).join('');
+}
+
+module.exports = trim;