|
@@ -0,0 +1,694 @@
|
|
|
+/* eslint-disable no-func-assign */
|
|
|
+/**
|
|
|
+ * Flatten array, one level deep.
|
|
|
+ *
|
|
|
+ * @param {Array<?>} arr
|
|
|
+ *
|
|
|
+ * @return {Array<?>}
|
|
|
+ */
|
|
|
+function flatten(arr) {
|
|
|
+ return Array.prototype.concat.apply([], arr);
|
|
|
+}
|
|
|
+
|
|
|
+var nativeToString = Object.prototype.toString;
|
|
|
+var nativeHasOwnProperty = Object.prototype.hasOwnProperty;
|
|
|
+function isUndefined(obj) {
|
|
|
+ return obj === undefined;
|
|
|
+}
|
|
|
+function isDefined(obj) {
|
|
|
+ return obj !== undefined;
|
|
|
+}
|
|
|
+function isNil(obj) {
|
|
|
+ return obj == null;
|
|
|
+}
|
|
|
+function isArray(obj) {
|
|
|
+ return nativeToString.call(obj) === '[object Array]';
|
|
|
+}
|
|
|
+function isObject(obj) {
|
|
|
+ return nativeToString.call(obj) === '[object Object]';
|
|
|
+}
|
|
|
+function isNumber(obj) {
|
|
|
+ return nativeToString.call(obj) === '[object Number]';
|
|
|
+}
|
|
|
+function isFunction(obj) {
|
|
|
+ var tag = nativeToString.call(obj);
|
|
|
+ return tag === '[object Function]' || tag === '[object AsyncFunction]' || tag === '[object GeneratorFunction]' || tag === '[object AsyncGeneratorFunction]' || tag === '[object Proxy]';
|
|
|
+}
|
|
|
+function isString(obj) {
|
|
|
+ return nativeToString.call(obj) === '[object String]';
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Ensure collection is an array.
|
|
|
+ *
|
|
|
+ * @param {Object} obj
|
|
|
+ */
|
|
|
+
|
|
|
+function ensureArray(obj) {
|
|
|
+ if (isArray(obj)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ throw new Error('must supply array');
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Return true, if target owns a property with the given key.
|
|
|
+ *
|
|
|
+ * @param {Object} target
|
|
|
+ * @param {String} key
|
|
|
+ *
|
|
|
+ * @return {Boolean}
|
|
|
+ */
|
|
|
+
|
|
|
+function has(target, key) {
|
|
|
+ return nativeHasOwnProperty.call(target, key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Find element in collection.
|
|
|
+ *
|
|
|
+ * @param {Array|Object} collection
|
|
|
+ * @param {Function|Object} matcher
|
|
|
+ *
|
|
|
+ * @return {Object}
|
|
|
+ */
|
|
|
+
|
|
|
+function find(collection, matcher) {
|
|
|
+ matcher = toMatcher(matcher);
|
|
|
+ var match;
|
|
|
+ forEach(collection, function(val, key) {
|
|
|
+ if (matcher(val, key)) {
|
|
|
+ match = val;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return match;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Find element index in collection.
|
|
|
+ *
|
|
|
+ * @param {Array|Object} collection
|
|
|
+ * @param {Function} matcher
|
|
|
+ *
|
|
|
+ * @return {Object}
|
|
|
+ */
|
|
|
+
|
|
|
+function findIndex(collection, matcher) {
|
|
|
+ matcher = toMatcher(matcher);
|
|
|
+ var idx = isArray(collection) ? -1 : undefined;
|
|
|
+ forEach(collection, function(val, key) {
|
|
|
+ if (matcher(val, key)) {
|
|
|
+ idx = key;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return idx;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Find element in collection.
|
|
|
+ *
|
|
|
+ * @param {Array|Object} collection
|
|
|
+ * @param {Function} matcher
|
|
|
+ *
|
|
|
+ * @return {Array} result
|
|
|
+ */
|
|
|
+
|
|
|
+function filter(collection, matcher) {
|
|
|
+ var result = [];
|
|
|
+ forEach(collection, function(val, key) {
|
|
|
+ if (matcher(val, key)) {
|
|
|
+ result.push(val);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Iterate over collection; returning something
|
|
|
+ * (non-undefined) will stop iteration.
|
|
|
+ *
|
|
|
+ * @param {Array|Object} collection
|
|
|
+ * @param {Function} iterator
|
|
|
+ *
|
|
|
+ * @return {Object} return result that stopped the iteration
|
|
|
+ */
|
|
|
+
|
|
|
+function forEach(collection, iterator) {
|
|
|
+ var val, result;
|
|
|
+
|
|
|
+ if (isUndefined(collection)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var convertKey = isArray(collection) ? toNum : identity;
|
|
|
+
|
|
|
+ for (var key in collection) {
|
|
|
+ if (has(collection, key)) {
|
|
|
+ val = collection[key];
|
|
|
+ result = iterator(val, convertKey(key));
|
|
|
+
|
|
|
+ if (result === false) {
|
|
|
+ return val;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Return collection without element.
|
|
|
+ *
|
|
|
+ * @param {Array} arr
|
|
|
+ * @param {Function} matcher
|
|
|
+ *
|
|
|
+ * @return {Array}
|
|
|
+ */
|
|
|
+
|
|
|
+function without(arr, matcher) {
|
|
|
+ if (isUndefined(arr)) {
|
|
|
+ return [];
|
|
|
+ }
|
|
|
+
|
|
|
+ ensureArray(arr);
|
|
|
+ matcher = toMatcher(matcher);
|
|
|
+ return arr.filter(function(el, idx) {
|
|
|
+ return !matcher(el, idx);
|
|
|
+ });
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Reduce collection, returning a single result.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ * @param {Function} iterator
|
|
|
+ * @param {Any} result
|
|
|
+ *
|
|
|
+ * @return {Any} result returned from last iterator
|
|
|
+ */
|
|
|
+
|
|
|
+function reduce(collection, iterator, result) {
|
|
|
+ forEach(collection, function(value, idx) {
|
|
|
+ result = iterator(result, value, idx);
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Return true if every element in the collection
|
|
|
+ * matches the criteria.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ * @param {Function} matcher
|
|
|
+ *
|
|
|
+ * @return {Boolean}
|
|
|
+ */
|
|
|
+
|
|
|
+function every(collection, matcher) {
|
|
|
+ return !!reduce(collection, function(matches, val, key) {
|
|
|
+ return matches && matcher(val, key);
|
|
|
+ }, true);
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Return true if some elements in the collection
|
|
|
+ * match the criteria.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ * @param {Function} matcher
|
|
|
+ *
|
|
|
+ * @return {Boolean}
|
|
|
+ */
|
|
|
+
|
|
|
+function some(collection, matcher) {
|
|
|
+ return !!find(collection, matcher);
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Transform a collection into another collection
|
|
|
+ * by piping each member through the given fn.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ * @param {Function} fn
|
|
|
+ *
|
|
|
+ * @return {Array} transformed collection
|
|
|
+ */
|
|
|
+
|
|
|
+function map(collection, fn) {
|
|
|
+ var result = [];
|
|
|
+ forEach(collection, function(val, key) {
|
|
|
+ result.push(fn(val, key));
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Get the collections keys.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ *
|
|
|
+ * @return {Array}
|
|
|
+ */
|
|
|
+
|
|
|
+function keys(collection) {
|
|
|
+ return collection && Object.keys(collection) || [];
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Shorthand for `keys(o).length`.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ *
|
|
|
+ * @return {Number}
|
|
|
+ */
|
|
|
+
|
|
|
+function size(collection) {
|
|
|
+ return keys(collection).length;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Get the values in the collection.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ *
|
|
|
+ * @return {Array}
|
|
|
+ */
|
|
|
+
|
|
|
+function values(collection) {
|
|
|
+ return map(collection, function(val) {
|
|
|
+ return val;
|
|
|
+ });
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Group collection members by attribute.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ * @param {Function} extractor
|
|
|
+ *
|
|
|
+ * @return {Object} map with { attrValue => [ a, b, c ] }
|
|
|
+ */
|
|
|
+
|
|
|
+function groupBy(collection, extractor) {
|
|
|
+ var grouped = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
|
|
|
+ extractor = toExtractor(extractor);
|
|
|
+ forEach(collection, function(val) {
|
|
|
+ var discriminator = extractor(val) || '_';
|
|
|
+ var group = grouped[discriminator];
|
|
|
+
|
|
|
+ if (!group) {
|
|
|
+ group = grouped[discriminator] = [];
|
|
|
+ }
|
|
|
+
|
|
|
+ group.push(val);
|
|
|
+ });
|
|
|
+ return grouped;
|
|
|
+}
|
|
|
+function uniqueBy(extractor) {
|
|
|
+ extractor = toExtractor(extractor);
|
|
|
+ var grouped = {};
|
|
|
+
|
|
|
+ for (var _len = arguments.length, collections = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
|
+ collections[_key - 1] = arguments[_key];
|
|
|
+ }
|
|
|
+
|
|
|
+ forEach(collections, function(c) {
|
|
|
+ return groupBy(c, extractor, grouped);
|
|
|
+ });
|
|
|
+ var result = map(grouped, function(val, key) {
|
|
|
+ return val[0];
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+}
|
|
|
+var unionBy = uniqueBy;
|
|
|
+/**
|
|
|
+ * Sort collection by criteria.
|
|
|
+ *
|
|
|
+ * @param {Object|Array} collection
|
|
|
+ * @param {String|Function} extractor
|
|
|
+ *
|
|
|
+ * @return {Array}
|
|
|
+ */
|
|
|
+
|
|
|
+function sortBy(collection, extractor) {
|
|
|
+ extractor = toExtractor(extractor);
|
|
|
+ var sorted = [];
|
|
|
+ forEach(collection, function(value, key) {
|
|
|
+ var disc = extractor(value, key);
|
|
|
+ var entry = {
|
|
|
+ d: disc,
|
|
|
+ v: value
|
|
|
+ };
|
|
|
+
|
|
|
+ for (var idx = 0; idx < sorted.length; idx++) {
|
|
|
+ var d = sorted[idx].d;
|
|
|
+
|
|
|
+ if (disc < d) {
|
|
|
+ sorted.splice(idx, 0, entry);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ } // not inserted, append (!)
|
|
|
+
|
|
|
+ sorted.push(entry);
|
|
|
+ });
|
|
|
+ return map(sorted, function(e) {
|
|
|
+ return e.v;
|
|
|
+ });
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Create an object pattern matcher.
|
|
|
+ *
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * const matcher = matchPattern({ id: 1 });
|
|
|
+ *
|
|
|
+ * let element = find(elements, matcher);
|
|
|
+ *
|
|
|
+ * @param {Object} pattern
|
|
|
+ *
|
|
|
+ * @return {Function} matcherFn
|
|
|
+ */
|
|
|
+
|
|
|
+function matchPattern(pattern) {
|
|
|
+ return function(el) {
|
|
|
+ return every(pattern, function(val, key) {
|
|
|
+ return el[key] === val;
|
|
|
+ });
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+function toExtractor(extractor) {
|
|
|
+ return isFunction(extractor) ? extractor : function(e) {
|
|
|
+ return e[extractor];
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+function toMatcher(matcher) {
|
|
|
+ return isFunction(matcher) ? matcher : function(e) {
|
|
|
+ return e === matcher;
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+function identity(arg) {
|
|
|
+ return arg;
|
|
|
+}
|
|
|
+
|
|
|
+function toNum(arg) {
|
|
|
+ return Number(arg);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Debounce fn, calling it only once if the given time
|
|
|
+ * elapsed between calls.
|
|
|
+ *
|
|
|
+ * Lodash-style the function exposes methods to `#clear`
|
|
|
+ * and `#flush` to control internal behavior.
|
|
|
+ *
|
|
|
+ * @param {Function} fn
|
|
|
+ * @param {Number} timeout
|
|
|
+ *
|
|
|
+ * @return {Function} debounced function
|
|
|
+ */
|
|
|
+function debounce(fn, timeout) {
|
|
|
+ var timer;
|
|
|
+ var lastArgs;
|
|
|
+ var lastThis;
|
|
|
+ var lastNow;
|
|
|
+
|
|
|
+ function fire(force) {
|
|
|
+ var now = Date.now();
|
|
|
+ var scheduledDiff = force ? 0 : lastNow + timeout - now;
|
|
|
+
|
|
|
+ if (scheduledDiff > 0) {
|
|
|
+ return schedule(scheduledDiff);
|
|
|
+ }
|
|
|
+
|
|
|
+ fn.apply(lastThis, lastArgs);
|
|
|
+ clear();
|
|
|
+ }
|
|
|
+
|
|
|
+ function schedule(timeout) {
|
|
|
+ timer = setTimeout(fire, timeout);
|
|
|
+ }
|
|
|
+
|
|
|
+ function clear() {
|
|
|
+ if (timer) {
|
|
|
+ clearTimeout(timer);
|
|
|
+ }
|
|
|
+
|
|
|
+ timer = lastNow = lastArgs = lastThis = undefined;
|
|
|
+ }
|
|
|
+
|
|
|
+ function flush() {
|
|
|
+ if (timer) {
|
|
|
+ fire(true);
|
|
|
+ }
|
|
|
+
|
|
|
+ clear();
|
|
|
+ }
|
|
|
+
|
|
|
+ function callback() {
|
|
|
+ lastNow = Date.now();
|
|
|
+
|
|
|
+ for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
|
|
|
+ args[_key] = arguments[_key];
|
|
|
+ }
|
|
|
+
|
|
|
+ lastArgs = args;
|
|
|
+ lastThis = this; // ensure an execution is scheduled
|
|
|
+
|
|
|
+ if (!timer) {
|
|
|
+ schedule(timeout);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ callback.flush = flush;
|
|
|
+ callback.cancel = clear;
|
|
|
+ return callback;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Throttle fn, calling at most once
|
|
|
+ * in the given interval.
|
|
|
+ *
|
|
|
+ * @param {Function} fn
|
|
|
+ * @param {Number} interval
|
|
|
+ *
|
|
|
+ * @return {Function} throttled function
|
|
|
+ */
|
|
|
+
|
|
|
+function throttle(fn, interval) {
|
|
|
+ var throttling = false;
|
|
|
+ return function() {
|
|
|
+ if (throttling) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ fn.apply(void 0, arguments);
|
|
|
+ throttling = true;
|
|
|
+ setTimeout(function() {
|
|
|
+ throttling = false;
|
|
|
+ }, interval);
|
|
|
+ };
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Bind function against target <this>.
|
|
|
+ *
|
|
|
+ * @param {Function} fn
|
|
|
+ * @param {Object} target
|
|
|
+ *
|
|
|
+ * @return {Function} bound function
|
|
|
+ */
|
|
|
+
|
|
|
+function bind(fn, target) {
|
|
|
+ return fn.bind(target);
|
|
|
+}
|
|
|
+
|
|
|
+function _typeof(obj) {
|
|
|
+ '@babel/helpers - typeof';
|
|
|
+
|
|
|
+ if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') {
|
|
|
+ _typeof = function(obj) {
|
|
|
+ return typeof obj;
|
|
|
+ };
|
|
|
+ } else {
|
|
|
+ _typeof = function(obj) {
|
|
|
+ return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj;
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ return _typeof(obj);
|
|
|
+}
|
|
|
+
|
|
|
+function _extends() {
|
|
|
+ _extends = Object.assign || function(target) {
|
|
|
+ for (var i = 1; i < arguments.length; i++) {
|
|
|
+ var source = arguments[i];
|
|
|
+
|
|
|
+ for (var key in source) {
|
|
|
+ if (Object.prototype.hasOwnProperty.call(source, key)) {
|
|
|
+ target[key] = source[key];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return target;
|
|
|
+ };
|
|
|
+
|
|
|
+ return _extends.apply(this, arguments);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Convenience wrapper for `Object.assign`.
|
|
|
+ *
|
|
|
+ * @param {Object} target
|
|
|
+ * @param {...Object} others
|
|
|
+ *
|
|
|
+ * @return {Object} the target
|
|
|
+ */
|
|
|
+
|
|
|
+function assign(target) {
|
|
|
+ for (var _len = arguments.length, others = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
|
+ others[_key - 1] = arguments[_key];
|
|
|
+ }
|
|
|
+
|
|
|
+ return _extends.apply(void 0, [target].concat(others));
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Sets a nested property of a given object to the specified value.
|
|
|
+ *
|
|
|
+ * This mutates the object and returns it.
|
|
|
+ *
|
|
|
+ * @param {Object} target The target of the set operation.
|
|
|
+ * @param {(string|number)[]} path The path to the nested value.
|
|
|
+ * @param {any} value The value to set.
|
|
|
+ */
|
|
|
+
|
|
|
+function set(target, path, value) {
|
|
|
+ var currentTarget = target;
|
|
|
+ forEach(path, function(key, idx) {
|
|
|
+ if (typeof key !== 'number' && typeof key !== 'string') {
|
|
|
+ throw new Error('illegal key type: ' + _typeof(key) + '. Key should be of type number or string.');
|
|
|
+ }
|
|
|
+
|
|
|
+ if (key === 'constructor') {
|
|
|
+ throw new Error('illegal key: constructor');
|
|
|
+ }
|
|
|
+
|
|
|
+ if (key === '__proto__') {
|
|
|
+ throw new Error('illegal key: __proto__');
|
|
|
+ }
|
|
|
+
|
|
|
+ var nextKey = path[idx + 1];
|
|
|
+ var nextTarget = currentTarget[key];
|
|
|
+
|
|
|
+ if (isDefined(nextKey) && isNil(nextTarget)) {
|
|
|
+ nextTarget = currentTarget[key] = isNaN(+nextKey) ? {} : [];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isUndefined(nextKey)) {
|
|
|
+ if (isUndefined(value)) {
|
|
|
+ delete currentTarget[key];
|
|
|
+ } else {
|
|
|
+ currentTarget[key] = value;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ currentTarget = nextTarget;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return target;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Gets a nested property of a given object.
|
|
|
+ *
|
|
|
+ * @param {Object} target The target of the get operation.
|
|
|
+ * @param {(string|number)[]} path The path to the nested value.
|
|
|
+ * @param {any} [defaultValue] The value to return if no value exists.
|
|
|
+ */
|
|
|
+
|
|
|
+function get(target, path, defaultValue) {
|
|
|
+ var currentTarget = target;
|
|
|
+ forEach(path, function(key) {
|
|
|
+ // accessing nil property yields <undefined>
|
|
|
+ if (isNil(currentTarget)) {
|
|
|
+ currentTarget = undefined;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ currentTarget = currentTarget[key];
|
|
|
+ });
|
|
|
+ return isUndefined(currentTarget) ? defaultValue : currentTarget;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Pick given properties from the target object.
|
|
|
+ *
|
|
|
+ * @param {Object} target
|
|
|
+ * @param {Array} properties
|
|
|
+ *
|
|
|
+ * @return {Object} target
|
|
|
+ */
|
|
|
+
|
|
|
+function pick(target, properties) {
|
|
|
+ var result = {};
|
|
|
+ var obj = Object(target);
|
|
|
+ forEach(properties, function(prop) {
|
|
|
+ if (prop in obj) {
|
|
|
+ result[prop] = target[prop];
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Pick all target properties, excluding the given ones.
|
|
|
+ *
|
|
|
+ * @param {Object} target
|
|
|
+ * @param {Array} properties
|
|
|
+ *
|
|
|
+ * @return {Object} target
|
|
|
+ */
|
|
|
+
|
|
|
+function omit(target, properties) {
|
|
|
+ var result = {};
|
|
|
+ var obj = Object(target);
|
|
|
+ forEach(obj, function(prop, key) {
|
|
|
+ if (properties.indexOf(key) === -1) {
|
|
|
+ result[key] = prop;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Recursively merge `...sources` into given target.
|
|
|
+ *
|
|
|
+ * Does support merging objects; does not support merging arrays.
|
|
|
+ *
|
|
|
+ * @param {Object} target
|
|
|
+ * @param {...Object} sources
|
|
|
+ *
|
|
|
+ * @return {Object} the target
|
|
|
+ */
|
|
|
+
|
|
|
+function merge(target) {
|
|
|
+ for (var _len2 = arguments.length, sources = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
|
|
|
+ sources[_key2 - 1] = arguments[_key2];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!sources.length) {
|
|
|
+ return target;
|
|
|
+ }
|
|
|
+
|
|
|
+ forEach(sources, function(source) {
|
|
|
+ // skip non-obj sources, i.e. null
|
|
|
+ if (!source || !isObject(source)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ forEach(source, function(sourceVal, key) {
|
|
|
+ if (key === '__proto__') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var targetVal = target[key];
|
|
|
+
|
|
|
+ if (isObject(sourceVal)) {
|
|
|
+ if (!isObject(targetVal)) {
|
|
|
+ // override target[key] with object
|
|
|
+ targetVal = {};
|
|
|
+ }
|
|
|
+
|
|
|
+ target[key] = merge(targetVal, sourceVal);
|
|
|
+ } else {
|
|
|
+ target[key] = sourceVal;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ return target;
|
|
|
+}
|
|
|
+
|
|
|
+export { assign, bind, debounce, ensureArray, every, filter, find, findIndex, flatten, forEach, get, groupBy, has, isArray, isDefined, isFunction, isNil, isNumber, isObject, isString, isUndefined, keys, map, matchPattern, merge, omit, pick, reduce, set, size, some, sortBy, throttle, unionBy, uniqueBy, values, without };
|