mirror of
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106 lines
3.0 KiB
JavaScript
106 lines
3.0 KiB
JavaScript
/**
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* lodash 4.0.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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var baseIsMatch = require('lodash._baseismatch'),
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toPairs = require('lodash.topairs');
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/**
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* Gets the property names, values, and compare flags of `object`.
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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 match data of `object`.
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*/
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function getMatchData(object) {
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var result = toPairs(object),
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length = result.length;
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while (length--) {
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result[length][2] = isStrictComparable(result[length][1]);
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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 suitable for strict equality comparisons, i.e. `===`.
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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` if suitable for strict
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* equality comparisons, else `false`.
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*/
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function isStrictComparable(value) {
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return value === value && !isObject(value);
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}
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/**
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* Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
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* (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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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an object, else `false`.
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* @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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* This method is like `_.isMatch` except that it accepts `customizer` which
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* is invoked to compare values. If `customizer` returns `undefined` comparisons
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* are handled by the method instead. The `customizer` is invoked with five
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* arguments: (objValue, srcValue, index|key, object, source).
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {Object} object The object to inspect.
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* @param {Object} source The object of property values to match.
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* @param {Function} [customizer] The function to customize comparisons.
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* @returns {boolean} Returns `true` if `object` is a match, else `false`.
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* @example
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*
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* function isGreeting(value) {
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* return /^h(?:i|ello)$/.test(value);
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* }
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*
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* function customizer(objValue, srcValue) {
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* if (isGreeting(objValue) && isGreeting(srcValue)) {
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* return true;
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* }
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* }
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*
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* var object = { 'greeting': 'hello' };
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* var source = { 'greeting': 'hi' };
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*
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* _.isMatchWith(object, source, customizer);
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* // => true
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*/
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function isMatchWith(object, source, customizer) {
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customizer = typeof customizer == 'function' ? customizer : undefined;
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return baseIsMatch(object, source, getMatchData(source), customizer);
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}
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module.exports = isMatchWith;
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