移动端utils方法

dist/bundle.js

@@ -9613,7 +9613,7 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
 })( window );/**
  * @license
  * Lodash (Custom Build) <https://lodash.com/>
- * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep"`
+ * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep,trim"`
  * Copyright JS Foundation and other contributors <https://js.foundation/>
  * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
@@ -10333,6 +10333,39 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
         return cache.has(key);
     }
 
+    /**
+     * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the first unmatched string symbol.
+     */
+    function charsStartIndex(strSymbols, chrSymbols) {
+        var index = -1,
+            length = strSymbols.length;
+
+        while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
+    /**
+     * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the last unmatched string symbol.
+     */
+    function charsEndIndex(strSymbols, chrSymbols) {
+        var index = strSymbols.length;
+
+        while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
     /**
      * Gets the number of `placeholder` occurrences in `array`.
      *
@@ -13053,6 +13086,21 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
         return isKey(value, object) ? [value] : stringToPath(toString(value));
     }
 
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+        var length = array.length;
+        end = end === undefined ? length : end;
+        return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
     /**
      * Creates a clone of  `buffer`.
      *
@@ -18836,6 +18884,44 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
             : string;
     }
 
+    /**
+     * 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('');
+    }
+
     /*------------------------------------------------------------------------*/
 
     /**
@@ -19356,6 +19442,7 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
     lodash.result = result;
     lodash.size = size;
     lodash.some = some;
+    lodash.trim = trim;
     lodash.uniqueId = uniqueId;
 
     // Add aliases.
@@ -20144,8 +20231,8 @@ if (!window.BI) {
             return BI.isString(obj) && !BI.isEmptyString(obj);
         },
 
-        isWindow: function () {
+        isWindow: function (obj) {
-            return $.isWindow.apply($, arguments);
+            return obj != null && obj == obj.window;
         }
     });
 
@@ -20428,7 +20515,7 @@ if (!window.BI) {
         },
 
         isNumeric: function (number) {
-            return $.isNumeric(number);
+            return !isNaN( parseFloat(number) ) && isFinite( number );
         },
 
         isFloat: function (number) {
@@ -20473,7 +20560,7 @@ if (!window.BI) {
     // 字符串相关方法
     _.extend(BI, {
         trim: function () {
-            return $.trim.apply($, arguments);
+            return _.trim.apply(_, arguments);
         },
 
         toUpperCase: function (string) {

dist/core.js

@@ -9613,7 +9613,7 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
 })( window );/**
  * @license
  * Lodash (Custom Build) <https://lodash.com/>
- * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep"`
+ * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep,trim"`
  * Copyright JS Foundation and other contributors <https://js.foundation/>
  * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
@@ -10333,6 +10333,39 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
         return cache.has(key);
     }
 
+    /**
+     * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the first unmatched string symbol.
+     */
+    function charsStartIndex(strSymbols, chrSymbols) {
+        var index = -1,
+            length = strSymbols.length;
+
+        while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
+    /**
+     * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the last unmatched string symbol.
+     */
+    function charsEndIndex(strSymbols, chrSymbols) {
+        var index = strSymbols.length;
+
+        while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
     /**
      * Gets the number of `placeholder` occurrences in `array`.
      *
@@ -13053,6 +13086,21 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
         return isKey(value, object) ? [value] : stringToPath(toString(value));
     }
 
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+        var length = array.length;
+        end = end === undefined ? length : end;
+        return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
     /**
      * Creates a clone of  `buffer`.
      *
@@ -18836,6 +18884,44 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
             : string;
     }
 
+    /**
+     * 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('');
+    }
+
     /*------------------------------------------------------------------------*/
 
     /**
@@ -19356,6 +19442,7 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
     lodash.result = result;
     lodash.size = size;
     lodash.some = some;
+    lodash.trim = trim;
     lodash.uniqueId = uniqueId;
 
     // Add aliases.
@@ -20144,8 +20231,8 @@ if (!window.BI) {
             return BI.isString(obj) && !BI.isEmptyString(obj);
         },
 
-        isWindow: function () {
+        isWindow: function (obj) {
-            return $.isWindow.apply($, arguments);
+            return obj != null && obj == obj.window;
         }
     });
 
@@ -20428,7 +20515,7 @@ if (!window.BI) {
         },
 
         isNumeric: function (number) {
-            return $.isNumeric(number);
+            return !isNaN( parseFloat(number) ) && isFinite( number );
         },
 
         isFloat: function (number) {
@@ -20473,7 +20560,7 @@ if (!window.BI) {
     // 字符串相关方法
     _.extend(BI, {
         trim: function () {
-            return $.trim.apply($, arguments);
+            return _.trim.apply(_, arguments);
         },
 
         toUpperCase: function (string) {

dist/fineui.js

@@ -9834,7 +9834,7 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
 })( window );/**
  * @license
  * Lodash (Custom Build) <https://lodash.com/>
- * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep"`
+ * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep,trim"`
  * Copyright JS Foundation and other contributors <https://js.foundation/>
  * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
@@ -10554,6 +10554,39 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
         return cache.has(key);
     }
 
+    /**
+     * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the first unmatched string symbol.
+     */
+    function charsStartIndex(strSymbols, chrSymbols) {
+        var index = -1,
+            length = strSymbols.length;
+
+        while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
+    /**
+     * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the last unmatched string symbol.
+     */
+    function charsEndIndex(strSymbols, chrSymbols) {
+        var index = strSymbols.length;
+
+        while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
     /**
      * Gets the number of `placeholder` occurrences in `array`.
      *
@@ -13274,6 +13307,21 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
         return isKey(value, object) ? [value] : stringToPath(toString(value));
     }
 
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+        var length = array.length;
+        end = end === undefined ? length : end;
+        return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
     /**
      * Creates a clone of  `buffer`.
      *
@@ -19057,6 +19105,44 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
             : string;
     }
 
+    /**
+     * 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('');
+    }
+
     /*------------------------------------------------------------------------*/
 
     /**
@@ -19577,6 +19663,7 @@ if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
     lodash.result = result;
     lodash.size = size;
     lodash.some = some;
+    lodash.trim = trim;
     lodash.uniqueId = uniqueId;
 
     // Add aliases.
@@ -20365,8 +20452,8 @@ if (!window.BI) {
             return BI.isString(obj) && !BI.isEmptyString(obj);
         },
 
-        isWindow: function () {
+        isWindow: function (obj) {
-            return $.isWindow.apply($, arguments);
+            return obj != null && obj == obj.window;
         }
     });
 
@@ -20649,7 +20736,7 @@ if (!window.BI) {
         },
 
         isNumeric: function (number) {
-            return $.isNumeric(number);
+            return !isNaN( parseFloat(number) ) && isFinite( number );
         },
 
         isFloat: function (number) {
@@ -20694,7 +20781,7 @@ if (!window.BI) {
     // 字符串相关方法
     _.extend(BI, {
         trim: function () {
-            return $.trim.apply($, arguments);
+            return _.trim.apply(_, arguments);
         },
 
         toUpperCase: function (string) {

dist/utils.js

@@ -1,7 +1,7 @@
 /**
  * @license
  * Lodash (Custom Build) <https://lodash.com/>
- * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep"`
+ * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep,trim"`
  * Copyright JS Foundation and other contributors <https://js.foundation/>
  * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
@@ -721,6 +721,39 @@
         return cache.has(key);
     }
 
+    /**
+     * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the first unmatched string symbol.
+     */
+    function charsStartIndex(strSymbols, chrSymbols) {
+        var index = -1,
+            length = strSymbols.length;
+
+        while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
+    /**
+     * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the last unmatched string symbol.
+     */
+    function charsEndIndex(strSymbols, chrSymbols) {
+        var index = strSymbols.length;
+
+        while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
     /**
      * Gets the number of `placeholder` occurrences in `array`.
      *
@@ -3441,6 +3474,21 @@
         return isKey(value, object) ? [value] : stringToPath(toString(value));
     }
 
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+        var length = array.length;
+        end = end === undefined ? length : end;
+        return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
     /**
      * Creates a clone of  `buffer`.
      *
@@ -9224,6 +9272,44 @@
             : string;
     }
 
+    /**
+     * 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('');
+    }
+
     /*------------------------------------------------------------------------*/
 
     /**
@@ -9744,6 +9830,7 @@
     lodash.result = result;
     lodash.size = size;
     lodash.some = some;
+    lodash.trim = trim;
     lodash.uniqueId = uniqueId;
 
     // Add aliases.
@@ -11369,8 +11456,8 @@ if (!window.BI) {
             return BI.isString(obj) && !BI.isEmptyString(obj);
         },
 
-        isWindow: function () {
+        isWindow: function (obj) {
-            return $.isWindow.apply($, arguments);
+            return obj != null && obj == obj.window;
         }
     });
 
@@ -11653,7 +11740,7 @@ if (!window.BI) {
         },
 
         isNumeric: function (number) {
-            return $.isNumeric(number);
+            return !isNaN( parseFloat(number) ) && isFinite( number );
         },
 
         isFloat: function (number) {
@@ -11698,7 +11785,7 @@ if (!window.BI) {
     // 字符串相关方法
     _.extend(BI, {
         trim: function () {
-            return $.trim.apply($, arguments);
+            return _.trim.apply(_, arguments);
         },
 
         toUpperCase: function (string) {

lodash.md

@@ -1 +1 @@
-lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep
+lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep,trim"

src/core/base.js

@@ -521,8 +521,8 @@ if (!window.BI) {
             return BI.isString(obj) && !BI.isEmptyString(obj);
         },
 
-        isWindow: function () {
+        isWindow: function (obj) {
-            return $.isWindow.apply($, arguments);
+            return obj != null && obj == obj.window;
         }
     });
 
@@ -805,7 +805,7 @@ if (!window.BI) {
         },
 
         isNumeric: function (number) {
-            return $.isNumeric(number);
+            return !isNaN( parseFloat(number) ) && isFinite( number );
         },
 
         isFloat: function (number) {
@@ -850,7 +850,7 @@ if (!window.BI) {
     // 字符串相关方法
     _.extend(BI, {
         trim: function () {
-            return $.trim.apply($, arguments);
+            return _.trim.apply(_, arguments);
         },
 
         toUpperCase: function (string) {

src/core/lodash.js

@@ -1,7 +1,7 @@
 /**
  * @license
  * Lodash (Custom Build) <https://lodash.com/>
- * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep"`
+ * Build: `lodash core plus="debounce,throttle,get,findIndex,findLastIndex,findKey,findLastKey,isArrayLike,invert,invertBy,uniq,uniqBy,omit,omitBy,zip,unzip,rest,range,random,reject,intersection,drop,countBy,union,zipObject,initial,cloneDeep,clamp,isPlainObject,take,takeRight,without,difference,defaultsDeep,trim"`
  * Copyright JS Foundation and other contributors <https://js.foundation/>
  * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
@@ -721,6 +721,39 @@
         return cache.has(key);
     }
 
+    /**
+     * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the first unmatched string symbol.
+     */
+    function charsStartIndex(strSymbols, chrSymbols) {
+        var index = -1,
+            length = strSymbols.length;
+
+        while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
+    /**
+     * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+     * that is not found in the character symbols.
+     *
+     * @private
+     * @param {Array} strSymbols The string symbols to inspect.
+     * @param {Array} chrSymbols The character symbols to find.
+     * @returns {number} Returns the index of the last unmatched string symbol.
+     */
+    function charsEndIndex(strSymbols, chrSymbols) {
+        var index = strSymbols.length;
+
+        while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        return index;
+    }
+
     /**
      * Gets the number of `placeholder` occurrences in `array`.
      *
@@ -3441,6 +3474,21 @@
         return isKey(value, object) ? [value] : stringToPath(toString(value));
     }
 
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+        var length = array.length;
+        end = end === undefined ? length : end;
+        return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
     /**
      * Creates a clone of  `buffer`.
      *
@@ -9224,6 +9272,44 @@
             : string;
     }
 
+    /**
+     * 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('');
+    }
+
     /*------------------------------------------------------------------------*/
 
     /**
@@ -9744,6 +9830,7 @@
     lodash.result = result;
     lodash.size = size;
     lodash.some = some;
+    lodash.trim = trim;
     lodash.uniqueId = uniqueId;
 
     // Add aliases.