无JIRA FDL需求 chunk方法

lodash.md

@@ -1 +1 @@
-lodash core plus="debounce,throttle,get,set,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,merge,groupBy,uniqBy,before,after,unescape"
+lodash core plus="debounce,throttle,get,set,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,merge,groupBy,uniqBy,before,after,unescape,chunk"

src/core/1.lodash.js

@@ -1,7 +1,7 @@
 /**
  * @license
  * Lodash (Custom Build) <https://lodash.com/>
- * Build: `lodash core plus="debounce,throttle,get,set,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,merge,groupBy,uniqBy,before,after,unescape"`
+ * Build: `lodash core plus="debounce,throttle,get,set,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,merge,groupBy,uniqBy,before,after,unescape,chunk"`
  * 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>
@@ -272,7 +272,8 @@
     var nodeUtil = (function () {
         try {
             return freeProcess && freeProcess.binding && freeProcess.binding('util');
-    } catch (e) {}
+        } catch (e) {
+        }
     }());
 
     /* Node.js helper references. */
@@ -296,10 +297,14 @@
      */
     function apply(func, thisArg, args) {
         switch (args.length) {
-      case 0: return func.call(thisArg);
+            case 0:
-      case 1: return func.call(thisArg, args[0]);
+                return func.call(thisArg);
-      case 2: return func.call(thisArg, args[0], args[1]);
+            case 1:
-      case 3: return func.call(thisArg, args[0], args[1], args[2]);
+                return func.call(thisArg, args[0]);
+            case 2:
+                return func.call(thisArg, args[0], args[1]);
+            case 3:
+                return func.call(thisArg, args[0], args[1], args[2]);
         }
         return func.apply(thisArg, args);
     }
@@ -745,7 +750,8 @@
         var index = -1,
             length = strSymbols.length;
 
-    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {
+        }
         return index;
     }
 
@@ -761,7 +767,8 @@
     function charsEndIndex(strSymbols, chrSymbols) {
         var index = strSymbols.length;
 
-    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+        while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {
+        }
         return index;
     }
 
@@ -1066,7 +1073,8 @@
             var func = getNative(Object, 'defineProperty');
             func({}, '', {});
             return func;
-    } catch (e) {}
+        } catch (e) {
+        }
     }());
 
     /* Built-in method references for those with the same name as other `lodash` methods. */
@@ -1248,7 +1256,9 @@
      * @returns {Object} Returns the new object.
      */
     var baseCreate = (function () {
-    function object() {}
+        function object() {
+        }
+
         return function (proto) {
             if (!isObject(proto)) {
                 return {};
@@ -2199,7 +2209,9 @@
         if (typeof func != 'function') {
             throw new TypeError(FUNC_ERROR_TEXT);
         }
-    return setTimeout(function() { func.apply(undefined, args); }, wait);
+        return setTimeout(function () {
+            func.apply(undefined, args);
+        }, wait);
     }
 
     /**
@@ -2230,8 +2242,7 @@
         if (comparator) {
             includes = arrayIncludesWith;
             isCommon = false;
-    }
+        } else if (values.length >= LARGE_ARRAY_SIZE) {
-    else if (values.length >= LARGE_ARRAY_SIZE) {
             includes = cacheHas;
             isCommon = false;
             values = new SetCache(values);
@@ -2250,8 +2261,7 @@
                         }
                     }
                     result.push(value);
-      }
+                } else if (!includes(values, computed, comparator)) {
-      else if (!includes(values, computed, comparator)) {
                     result.push(value);
                 }
             }
@@ -2991,8 +3001,7 @@
             if (isObject(srcValue)) {
                 stack || (stack = new Stack);
                 baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
-      }
+            } else {
-      else {
                 var newValue = customizer
                     ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
                     : undefined;
@@ -3044,32 +3053,25 @@
             if (isArr || isBuff || isTyped) {
                 if (isArray(objValue)) {
                     newValue = objValue;
-        }
+                } else if (isArrayLikeObject(objValue)) {
-        else if (isArrayLikeObject(objValue)) {
                     newValue = copyArray(objValue);
-        }
+                } else if (isBuff) {
-        else if (isBuff) {
                     isCommon = false;
                     newValue = cloneBuffer(srcValue, true);
-        }
+                } else if (isTyped) {
-        else if (isTyped) {
                     isCommon = false;
                     newValue = cloneTypedArray(srcValue, true);
-        }
+                } else {
-        else {
                     newValue = [];
                 }
-      }
+            } else if (isPlainObject(srcValue) || isArguments(srcValue)) {
-      else if (isPlainObject(srcValue) || isArguments(srcValue)) {
                 newValue = objValue;
                 if (isArguments(objValue)) {
                     newValue = toPlainObject(objValue);
-        }
+                } else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {
-        else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {
                     newValue = initCloneObject(srcValue);
                 }
-      }
+            } else {
-      else {
                 isCommon = false;
             }
         }
@@ -3371,8 +3373,7 @@
         if (comparator) {
             isCommon = false;
             includes = arrayIncludesWith;
-    }
+        } else if (length >= LARGE_ARRAY_SIZE) {
-    else if (length >= LARGE_ARRAY_SIZE) {
             var set = iteratee ? null : createSet(array);
             if (set) {
                 return setToArray(set);
@@ -3380,8 +3381,7 @@
             isCommon = false;
             includes = cacheHas;
             seen = new SetCache;
-    }
+        } else {
-    else {
             seen = iteratee ? [] : result;
         }
         outer:
@@ -3401,8 +3401,7 @@
                         seen.push(computed);
                     }
                     result.push(value);
-      }
+                } else if (!includes(seen, computed, comparator)) {
-      else if (!includes(seen, computed, comparator)) {
                     if (seen !== result) {
                         seen.push(computed);
                     }
@@ -3942,6 +3941,7 @@
             var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
             return fn.apply(isBind ? thisArg : this, arguments);
         }
+
         return wrapper;
     }
 
@@ -3960,14 +3960,22 @@
             // for more details.
             var args = arguments;
             switch (args.length) {
-        case 0: return new Ctor;
+                case 0:
-        case 1: return new Ctor(args[0]);
+                    return new Ctor;
-        case 2: return new Ctor(args[0], args[1]);
+                case 1:
-        case 3: return new Ctor(args[0], args[1], args[2]);
+                    return new Ctor(args[0]);
-        case 4: return new Ctor(args[0], args[1], args[2], args[3]);
+                case 2:
-        case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+                    return new Ctor(args[0], args[1]);
-        case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+                case 3:
-        case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+                    return new Ctor(args[0], args[1], args[2]);
+                case 4:
+                    return new Ctor(args[0], args[1], args[2], args[3]);
+                case 5:
+                    return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+                case 6:
+                    return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+                case 7:
+                    return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
             }
             var thisBinding = baseCreate(Ctor.prototype),
                 result = Ctor.apply(thisBinding, args);
@@ -4012,6 +4020,7 @@
             var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
             return apply(fn, this, args);
         }
+
         return wrapper;
     }
 
@@ -4028,7 +4037,9 @@
             if (!isArrayLike(collection)) {
                 var iteratee = baseIteratee(predicate, 3);
                 collection = keys(collection);
-        predicate = function(key) { return iteratee(iterable[key], key, iterable); };
+                predicate = function (key) {
+                    return iteratee(iterable[key], key, iterable);
+                };
             }
             var index = findIndexFunc(collection, predicate, fromIndex);
             return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
@@ -4105,6 +4116,7 @@
             }
             return fn.apply(thisBinding, args);
         }
+
         return wrapper;
     }
 
@@ -4154,6 +4166,7 @@
             }
             return apply(fn, isBind ? thisArg : this, args);
         }
+
         return wrapper;
     }
 
@@ -4727,7 +4740,8 @@
         try {
             value[symToStringTag] = undefined;
             var unmasked = true;
-    } catch (e) {}
+        } catch (e) {
+        }
 
         var result = nativeObjectToString.call(value);
         if (unmasked) {
@@ -4795,11 +4809,16 @@
 
             if (ctorString) {
                 switch (ctorString) {
-          case dataViewCtorString: return dataViewTag;
+                    case dataViewCtorString:
-          case mapCtorString: return mapTag;
+                        return dataViewTag;
-          case promiseCtorString: return promiseTag;
+                    case mapCtorString:
-          case setCtorString: return setTag;
+                        return mapTag;
-          case weakMapCtorString: return weakMapTag;
+                    case promiseCtorString:
+                        return promiseTag;
+                    case setCtorString:
+                        return setTag;
+                    case weakMapCtorString:
+                        return weakMapTag;
                 }
             }
             return result;
@@ -4825,10 +4844,18 @@
                 size = data.size;
 
             switch (data.type) {
-        case 'drop':      start += size; break;
+                case 'drop':
-        case 'dropRight': end -= size; break;
+                    start += size;
-        case 'take':      end = nativeMin(end, start + size); break;
+                    break;
-        case 'takeRight': start = nativeMax(start, end - size); break;
+                case 'dropRight':
+                    end -= size;
+                    break;
+                case 'take':
+                    end = nativeMin(end, start + size);
+                    break;
+                case 'takeRight':
+                    start = nativeMax(start, end - size);
+                    break;
             }
         }
         return { 'start': start, 'end': end };
@@ -4934,9 +4961,15 @@
             case dataViewTag:
                 return cloneDataView(object, isDeep);
 
-      case float32Tag: case float64Tag:
+            case float32Tag:
-      case int8Tag: case int16Tag: case int32Tag:
+            case float64Tag:
-      case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
+            case int8Tag:
+            case int16Tag:
+            case int32Tag:
+            case uint8Tag:
+            case uint8ClampedTag:
+            case uint16Tag:
+            case uint32Tag:
                 return cloneTypedArray(object, isDeep);
 
             case mapTag:
@@ -5442,10 +5475,12 @@
         if (func != null) {
             try {
                 return funcToString.call(func);
-      } catch (e) {}
+            } catch (e) {
+            }
             try {
                 return (func + '');
-      } catch (e) {}
+            } catch (e) {
+            }
         }
         return '';
     }
@@ -5488,6 +5523,47 @@
 
     /*------------------------------------------------------------------------*/
 
+    /**
+     * Creates an array of elements split into groups the length of `size`.
+     * If `array` can't be split evenly, the final chunk will be the remaining
+     * elements.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to process.
+     * @param {number} [size=1] The length of each chunk
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the new array of chunks.
+     * @example
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 2);
+     * // => [['a', 'b'], ['c', 'd']]
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 3);
+     * // => [['a', 'b', 'c'], ['d']]
+     */
+    function chunk(array, size, guard) {
+        if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
+            size = 1;
+        } else {
+            size = nativeMax(toInteger(size), 0);
+        }
+        var length = array == null ? 0 : array.length;
+        if (!length || size < 1) {
+            return [];
+        }
+        var index = 0,
+            resIndex = 0,
+            result = Array(nativeCeil(length / size));
+
+        while (index < length) {
+            result[resIndex++] = baseSlice(array, index, (index += size));
+        }
+        return result;
+    }
+
     /**
      * Creates an array with all falsey values removed. The values `false`, `null`,
      * `0`, `""`, `undefined`, and `NaN` are falsey.
@@ -5921,8 +5997,7 @@
         if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
             start = 0;
             end = length;
-    }
+        } else {
-    else {
             start = start == null ? 0 : toInteger(start);
             end = end === undefined ? length : toInteger(end);
         }
@@ -6277,7 +6352,9 @@
         var length = paths.length,
             start = length ? paths[0] : 0,
             value = this.__wrapped__,
-        interceptor = function(object) { return baseAt(object, paths); };
+            interceptor = function (object) {
+                return baseAt(object, paths);
+            };
 
         if (length > 1 || this.__actions__.length ||
             !(value instanceof LazyWrapper) || !isIndex(start)) {
@@ -7301,6 +7378,7 @@
             }
             return result;
         }
+
         debounced.cancel = cancel;
         debounced.flush = flush;
         return debounced;
@@ -7445,10 +7523,14 @@
         return function () {
             var args = arguments;
             switch (args.length) {
-        case 0: return !predicate.call(this);
+                case 0:
-        case 1: return !predicate.call(this, args[0]);
+                    return !predicate.call(this);
-        case 2: return !predicate.call(this, args[0], args[1]);
+                case 1:
-        case 3: return !predicate.call(this, args[0], args[1], args[2]);
+                    return !predicate.call(this, args[0]);
+                case 2:
+                    return !predicate.call(this, args[0], args[1]);
+                case 3:
+                    return !predicate.call(this, args[0], args[1], args[2]);
             }
             return !predicate.apply(this, args);
         };
@@ -7679,7 +7761,9 @@
      * _.isArguments([1, 2, 3]);
      * // => false
      */
-  var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+    var isArguments = baseIsArguments(function () {
+        return arguments;
+    }()) ? baseIsArguments : function (value) {
         return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
             !propertyIsEnumerable.call(value, 'callee');
     };
@@ -9358,8 +9442,7 @@
             if (typeof upper == 'boolean') {
                 floating = upper;
                 upper = undefined;
-      }
+            } else if (typeof lower == 'boolean') {
-      else if (typeof lower == 'boolean') {
                 floating = lower;
                 lower = undefined;
             }
@@ -9367,8 +9450,7 @@
         if (lower === undefined && upper === undefined) {
             lower = 0;
             upper = 1;
-    }
+        } else {
-    else {
             lower = toFinite(lower);
             if (upper === undefined) {
                 upper = lower;
@@ -9911,6 +9993,7 @@
     lodash.before = before;
     lodash.bind = bind;
     lodash.chain = chain;
+    lodash.chunk = chunk;
     lodash.compact = compact;
     lodash.concat = concat;
     lodash.countBy = countBy;
@@ -10267,8 +10350,7 @@
         (freeModule.exports = lodash)._ = lodash;
         // Export for CommonJS support.
         freeExports._ = lodash;
-  }
+    } else {
-  else {
         // Export to the global object.
         BI._ = lodash;
     }

src/core/2.base.js

@@ -651,7 +651,7 @@
     });
 
     // 通用方法
-    BI._.each(["uniqueId", "result", "chain", "iteratee", "escape", "unescape", "before", "after"], function (name) {
+    BI._.each(["uniqueId", "result", "chain", "iteratee", "escape", "unescape", "before", "after", "chunk"], function (name) {
         BI[name] = function () {
             return BI._[name].apply(BI._, arguments);
         };