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107 lines
2.6 KiB
JavaScript
107 lines
2.6 KiB
JavaScript
/**
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* lodash 4.2.0 (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 toString = require('lodash.tostring');
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/** Used to match property names within property paths. */
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var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g;
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/** Used to match backslashes in property paths. */
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var reEscapeChar = /\\(\\)?/g;
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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.length,
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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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* Converts `string` to a property path array.
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*
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* @private
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* @param {string} string The string to convert.
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* @returns {Array} Returns the property path array.
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*/
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function stringToPath(string) {
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var result = [];
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toString(string).replace(rePropName, function(match, number, quote, string) {
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result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
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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 classified as an `Array` object.
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*
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* @static
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* @memberOf _
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* @type {Function}
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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 correctly classified, 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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* Converts `value` to a property path array.
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*
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* @static
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* @memberOf _
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* @category Util
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* @param {*} value The value to convert.
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* @returns {Array} Returns the new property path array.
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* @example
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*
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* _.toPath('a.b.c');
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* // => ['a', 'b', 'c']
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*
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* _.toPath('a[0].b.c');
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* // => ['a', '0', 'b', 'c']
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*
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* var path = ['a', 'b', 'c'],
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* newPath = _.toPath(path);
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*
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* console.log(newPath);
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* // => ['a', 'b', 'c']
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*
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* console.log(path === newPath);
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* // => false
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*/
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function toPath(value) {
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return isArray(value) ? arrayMap(value, String) : stringToPath(value);
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}
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module.exports = toPath;
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