746 lines
18 KiB
JavaScript
746 lines
18 KiB
JavaScript
/**
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* lodash (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright jQuery Foundation and other contributors <https://jquery.org/>
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* Released under MIT license <https://lodash.com/license>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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*/
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/** Used as references for various `Number` constants. */
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var INFINITY = 1 / 0,
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MAX_SAFE_INTEGER = 9007199254740991,
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MAX_INTEGER = 1.7976931348623157e+308,
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NAN = 0 / 0;
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/** `Object#toString` result references. */
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var argsTag = '[object Arguments]',
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funcTag = '[object Function]',
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genTag = '[object GeneratorFunction]',
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stringTag = '[object String]',
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symbolTag = '[object Symbol]';
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/** Used to match leading and trailing whitespace. */
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var reTrim = /^\s+|\s+$/g;
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/** Used to detect bad signed hexadecimal string values. */
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var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
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/** Used to detect binary string values. */
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var reIsBinary = /^0b[01]+$/i;
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/** Used to detect octal string values. */
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var reIsOctal = /^0o[0-7]+$/i;
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/** Used to detect unsigned integer values. */
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var reIsUint = /^(?:0|[1-9]\d*)$/;
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/** Built-in method references without a dependency on `root`. */
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var freeParseInt = parseInt;
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/**
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* A specialized version of `_.map` for arrays without support for iteratee
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* shorthands.
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*
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* @private
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* @param {Array} [array] The array to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @returns {Array} Returns the new mapped array.
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*/
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function arrayMap(array, iteratee) {
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var index = -1,
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length = array ? array.length : 0,
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result = Array(length);
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while (++index < length) {
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result[index] = iteratee(array[index], index, array);
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}
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return result;
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}
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/**
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* The base implementation of `_.findIndex` and `_.findLastIndex` without
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* support for iteratee shorthands.
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*
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* @private
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* @param {Array} array The array to inspect.
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* @param {Function} predicate The function invoked per iteration.
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* @param {number} fromIndex The index to search from.
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* @param {boolean} [fromRight] Specify iterating from right to left.
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* @returns {number} Returns the index of the matched value, else `-1`.
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*/
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function baseFindIndex(array, predicate, fromIndex, fromRight) {
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var length = array.length,
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index = fromIndex + (fromRight ? 1 : -1);
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while ((fromRight ? index-- : ++index < length)) {
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if (predicate(array[index], index, array)) {
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return index;
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}
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}
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return -1;
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}
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/**
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* The base implementation of `_.indexOf` without `fromIndex` bounds checks.
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*
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* @private
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* @param {Array} array The array to inspect.
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* @param {*} value The value to search for.
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* @param {number} fromIndex The index to search from.
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* @returns {number} Returns the index of the matched value, else `-1`.
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*/
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function baseIndexOf(array, value, fromIndex) {
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if (value !== value) {
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return baseFindIndex(array, baseIsNaN, fromIndex);
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}
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var index = fromIndex - 1,
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length = array.length;
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while (++index < length) {
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if (array[index] === value) {
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return index;
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}
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}
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return -1;
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}
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/**
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* The base implementation of `_.isNaN` without support for number objects.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
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*/
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function baseIsNaN(value) {
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return value !== value;
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}
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/**
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* The base implementation of `_.times` without support for iteratee shorthands
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* or max array length checks.
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*
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* @private
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* @param {number} n The number of times to invoke `iteratee`.
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* @param {Function} iteratee The function invoked per iteration.
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* @returns {Array} Returns the array of results.
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*/
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function baseTimes(n, iteratee) {
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var index = -1,
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result = Array(n);
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while (++index < n) {
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result[index] = iteratee(index);
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}
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return result;
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}
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/**
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* The base implementation of `_.values` and `_.valuesIn` which creates an
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* array of `object` property values corresponding to the property names
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* of `props`.
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*
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* @private
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* @param {Object} object The object to query.
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* @param {Array} props The property names to get values for.
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* @returns {Object} Returns the array of property values.
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*/
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function baseValues(object, props) {
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return arrayMap(props, function(key) {
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return object[key];
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});
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}
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/**
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* Creates a unary function that invokes `func` with its argument transformed.
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*
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* @private
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* @param {Function} func The function to wrap.
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* @param {Function} transform The argument transform.
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* @returns {Function} Returns the new function.
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*/
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function overArg(func, transform) {
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return function(arg) {
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return func(transform(arg));
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};
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}
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/** Used for built-in method references. */
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var objectProto = Object.prototype;
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/** Used to check objects for own properties. */
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var hasOwnProperty = objectProto.hasOwnProperty;
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/**
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* Used to resolve the
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* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var objectToString = objectProto.toString;
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/** Built-in value references. */
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var propertyIsEnumerable = objectProto.propertyIsEnumerable;
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeKeys = overArg(Object.keys, Object),
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nativeMax = Math.max;
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/**
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* Creates an array of the enumerable property names of the array-like `value`.
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*
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* @private
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* @param {*} value The value to query.
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* @param {boolean} inherited Specify returning inherited property names.
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* @returns {Array} Returns the array of property names.
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*/
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function arrayLikeKeys(value, inherited) {
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// Safari 8.1 makes `arguments.callee` enumerable in strict mode.
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// Safari 9 makes `arguments.length` enumerable in strict mode.
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var result = (isArray(value) || isArguments(value))
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? baseTimes(value.length, String)
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: [];
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var length = result.length,
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skipIndexes = !!length;
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for (var key in value) {
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if ((inherited || hasOwnProperty.call(value, key)) &&
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!(skipIndexes && (key == 'length' || isIndex(key, length)))) {
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result.push(key);
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}
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}
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return result;
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}
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/**
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* The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
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*
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* @private
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* @param {Object} object The object to query.
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* @returns {Array} Returns the array of property names.
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*/
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function baseKeys(object) {
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if (!isPrototype(object)) {
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return nativeKeys(object);
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}
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var result = [];
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for (var key in Object(object)) {
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if (hasOwnProperty.call(object, key) && key != 'constructor') {
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result.push(key);
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}
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}
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return result;
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}
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/**
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* Checks if `value` is a valid array-like index.
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*
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* @private
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* @param {*} value The value to check.
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* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
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* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
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*/
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function isIndex(value, length) {
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length = length == null ? MAX_SAFE_INTEGER : length;
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return !!length &&
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(typeof value == 'number' || reIsUint.test(value)) &&
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(value > -1 && value % 1 == 0 && value < length);
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}
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/**
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* Checks if `value` is likely a prototype object.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
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*/
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function isPrototype(value) {
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var Ctor = value && value.constructor,
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proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
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return value === proto;
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}
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/**
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* Checks if `value` is in `collection`. If `collection` is a string, it's
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* checked for a substring of `value`, otherwise
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* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
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* is used for equality comparisons. If `fromIndex` is negative, it's used as
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* the offset from the end of `collection`.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Collection
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* @param {Array|Object|string} collection The collection to inspect.
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* @param {*} value The value to search for.
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* @param {number} [fromIndex=0] The index to search from.
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* @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
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* @returns {boolean} Returns `true` if `value` is found, else `false`.
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* @example
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*
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* _.includes([1, 2, 3], 1);
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* // => true
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*
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* _.includes([1, 2, 3], 1, 2);
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* // => false
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*
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* _.includes({ 'a': 1, 'b': 2 }, 1);
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* // => true
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*
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* _.includes('abcd', 'bc');
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* // => true
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*/
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function includes(collection, value, fromIndex, guard) {
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collection = isArrayLike(collection) ? collection : values(collection);
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fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
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var length = collection.length;
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if (fromIndex < 0) {
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fromIndex = nativeMax(length + fromIndex, 0);
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}
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return isString(collection)
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? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
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: (!!length && baseIndexOf(collection, value, fromIndex) > -1);
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}
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/**
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* Checks if `value` is likely an `arguments` object.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an `arguments` object,
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* else `false`.
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* @example
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*
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* _.isArguments(function() { return arguments; }());
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* // => true
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*
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* _.isArguments([1, 2, 3]);
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* // => false
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*/
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function isArguments(value) {
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// Safari 8.1 makes `arguments.callee` enumerable in strict mode.
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return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
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(!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
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}
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/**
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* Checks if `value` is classified as an `Array` object.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an array, else `false`.
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* @example
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*
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* _.isArray([1, 2, 3]);
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* // => true
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*
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* _.isArray(document.body.children);
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* // => false
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*
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* _.isArray('abc');
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* // => false
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*
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* _.isArray(_.noop);
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* // => false
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*/
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var isArray = Array.isArray;
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/**
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* Checks if `value` is array-like. A value is considered array-like if it's
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* not a function and has a `value.length` that's an integer greater than or
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* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
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* @example
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*
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* _.isArrayLike([1, 2, 3]);
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* // => true
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*
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* _.isArrayLike(document.body.children);
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* // => true
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*
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* _.isArrayLike('abc');
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* // => true
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*
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* _.isArrayLike(_.noop);
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* // => false
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*/
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function isArrayLike(value) {
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return value != null && isLength(value.length) && !isFunction(value);
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}
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/**
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* This method is like `_.isArrayLike` except that it also checks if `value`
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* is an object.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an array-like object,
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* else `false`.
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* @example
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*
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* _.isArrayLikeObject([1, 2, 3]);
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* // => true
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*
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* _.isArrayLikeObject(document.body.children);
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* // => true
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*
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* _.isArrayLikeObject('abc');
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* // => false
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*
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* _.isArrayLikeObject(_.noop);
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* // => false
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*/
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function isArrayLikeObject(value) {
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return isObjectLike(value) && isArrayLike(value);
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}
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/**
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* Checks if `value` is classified as a `Function` object.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a function, else `false`.
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* @example
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*
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* _.isFunction(_);
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* // => true
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*
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* _.isFunction(/abc/);
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* // => false
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*/
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function isFunction(value) {
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// The use of `Object#toString` avoids issues with the `typeof` operator
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// in Safari 8-9 which returns 'object' for typed array and other constructors.
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var tag = isObject(value) ? objectToString.call(value) : '';
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return tag == funcTag || tag == genTag;
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}
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/**
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* Checks if `value` is a valid array-like length.
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*
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* **Note:** This method is loosely based on
|
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* [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
|
|
*
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* @static
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* @memberOf _
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* @since 4.0.0
|
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* @category Lang
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|
* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
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* @example
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*
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* _.isLength(3);
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* // => true
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*
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* _.isLength(Number.MIN_VALUE);
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* // => false
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*
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* _.isLength(Infinity);
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* // => false
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*
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* _.isLength('3');
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* // => false
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*/
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function isLength(value) {
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return typeof value == 'number' &&
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value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
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}
|
|
|
|
/**
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|
* Checks if `value` is the
|
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* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
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* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
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|
*
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|
* @static
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|
* @memberOf _
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|
* @since 0.1.0
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
|
|
* @example
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*
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* _.isObject({});
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* // => true
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*
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* _.isObject([1, 2, 3]);
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* // => true
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*
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* _.isObject(_.noop);
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* // => true
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*
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* _.isObject(null);
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* // => false
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*/
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function isObject(value) {
|
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var type = typeof value;
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return !!value && (type == 'object' || type == 'function');
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}
|
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|
|
/**
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* Checks if `value` is object-like. A value is object-like if it's not `null`
|
|
* and has a `typeof` result of "object".
|
|
*
|
|
* @static
|
|
* @memberOf _
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* @since 4.0.0
|
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* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
|
|
* @example
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|
*
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* _.isObjectLike({});
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* // => true
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*
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|
* _.isObjectLike([1, 2, 3]);
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* // => true
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*
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* _.isObjectLike(_.noop);
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* // => false
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*
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* _.isObjectLike(null);
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* // => false
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*/
|
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function isObjectLike(value) {
|
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return !!value && typeof value == 'object';
|
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}
|
|
|
|
/**
|
|
* Checks if `value` is classified as a `String` primitive or object.
|
|
*
|
|
* @static
|
|
* @since 0.1.0
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is a string, else `false`.
|
|
* @example
|
|
*
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* _.isString('abc');
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* // => true
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*
|
|
* _.isString(1);
|
|
* // => false
|
|
*/
|
|
function isString(value) {
|
|
return typeof value == 'string' ||
|
|
(!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);
|
|
}
|
|
|
|
/**
|
|
* Checks if `value` is classified as a `Symbol` primitive or object.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.0.0
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
|
|
* @example
|
|
*
|
|
* _.isSymbol(Symbol.iterator);
|
|
* // => true
|
|
*
|
|
* _.isSymbol('abc');
|
|
* // => false
|
|
*/
|
|
function isSymbol(value) {
|
|
return typeof value == 'symbol' ||
|
|
(isObjectLike(value) && objectToString.call(value) == symbolTag);
|
|
}
|
|
|
|
/**
|
|
* Converts `value` to a finite number.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.12.0
|
|
* @category Lang
|
|
* @param {*} value The value to convert.
|
|
* @returns {number} Returns the converted number.
|
|
* @example
|
|
*
|
|
* _.toFinite(3.2);
|
|
* // => 3.2
|
|
*
|
|
* _.toFinite(Number.MIN_VALUE);
|
|
* // => 5e-324
|
|
*
|
|
* _.toFinite(Infinity);
|
|
* // => 1.7976931348623157e+308
|
|
*
|
|
* _.toFinite('3.2');
|
|
* // => 3.2
|
|
*/
|
|
function toFinite(value) {
|
|
if (!value) {
|
|
return value === 0 ? value : 0;
|
|
}
|
|
value = toNumber(value);
|
|
if (value === INFINITY || value === -INFINITY) {
|
|
var sign = (value < 0 ? -1 : 1);
|
|
return sign * MAX_INTEGER;
|
|
}
|
|
return value === value ? value : 0;
|
|
}
|
|
|
|
/**
|
|
* Converts `value` to an integer.
|
|
*
|
|
* **Note:** This method is loosely based on
|
|
* [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.0.0
|
|
* @category Lang
|
|
* @param {*} value The value to convert.
|
|
* @returns {number} Returns the converted integer.
|
|
* @example
|
|
*
|
|
* _.toInteger(3.2);
|
|
* // => 3
|
|
*
|
|
* _.toInteger(Number.MIN_VALUE);
|
|
* // => 0
|
|
*
|
|
* _.toInteger(Infinity);
|
|
* // => 1.7976931348623157e+308
|
|
*
|
|
* _.toInteger('3.2');
|
|
* // => 3
|
|
*/
|
|
function toInteger(value) {
|
|
var result = toFinite(value),
|
|
remainder = result % 1;
|
|
|
|
return result === result ? (remainder ? result - remainder : result) : 0;
|
|
}
|
|
|
|
/**
|
|
* Converts `value` to a number.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @since 4.0.0
|
|
* @category Lang
|
|
* @param {*} value The value to process.
|
|
* @returns {number} Returns the number.
|
|
* @example
|
|
*
|
|
* _.toNumber(3.2);
|
|
* // => 3.2
|
|
*
|
|
* _.toNumber(Number.MIN_VALUE);
|
|
* // => 5e-324
|
|
*
|
|
* _.toNumber(Infinity);
|
|
* // => Infinity
|
|
*
|
|
* _.toNumber('3.2');
|
|
* // => 3.2
|
|
*/
|
|
function toNumber(value) {
|
|
if (typeof value == 'number') {
|
|
return value;
|
|
}
|
|
if (isSymbol(value)) {
|
|
return NAN;
|
|
}
|
|
if (isObject(value)) {
|
|
var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
|
|
value = isObject(other) ? (other + '') : other;
|
|
}
|
|
if (typeof value != 'string') {
|
|
return value === 0 ? value : +value;
|
|
}
|
|
value = value.replace(reTrim, '');
|
|
var isBinary = reIsBinary.test(value);
|
|
return (isBinary || reIsOctal.test(value))
|
|
? freeParseInt(value.slice(2), isBinary ? 2 : 8)
|
|
: (reIsBadHex.test(value) ? NAN : +value);
|
|
}
|
|
|
|
/**
|
|
* Creates an array of the own enumerable property names of `object`.
|
|
*
|
|
* **Note:** Non-object values are coerced to objects. See the
|
|
* [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
|
|
* for more details.
|
|
*
|
|
* @static
|
|
* @since 0.1.0
|
|
* @memberOf _
|
|
* @category Object
|
|
* @param {Object} object The object to query.
|
|
* @returns {Array} Returns the array of property names.
|
|
* @example
|
|
*
|
|
* function Foo() {
|
|
* this.a = 1;
|
|
* this.b = 2;
|
|
* }
|
|
*
|
|
* Foo.prototype.c = 3;
|
|
*
|
|
* _.keys(new Foo);
|
|
* // => ['a', 'b'] (iteration order is not guaranteed)
|
|
*
|
|
* _.keys('hi');
|
|
* // => ['0', '1']
|
|
*/
|
|
function keys(object) {
|
|
return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
|
|
}
|
|
|
|
/**
|
|
* Creates an array of the own enumerable string keyed property values of `object`.
|
|
*
|
|
* **Note:** Non-object values are coerced to objects.
|
|
*
|
|
* @static
|
|
* @since 0.1.0
|
|
* @memberOf _
|
|
* @category Object
|
|
* @param {Object} object The object to query.
|
|
* @returns {Array} Returns the array of property values.
|
|
* @example
|
|
*
|
|
* function Foo() {
|
|
* this.a = 1;
|
|
* this.b = 2;
|
|
* }
|
|
*
|
|
* Foo.prototype.c = 3;
|
|
*
|
|
* _.values(new Foo);
|
|
* // => [1, 2] (iteration order is not guaranteed)
|
|
*
|
|
* _.values('hi');
|
|
* // => ['h', 'i']
|
|
*/
|
|
function values(object) {
|
|
return object ? baseValues(object, keys(object)) : [];
|
|
}
|
|
|
|
module.exports = includes;
|