50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
import arrayMap from './_arrayMap.js';
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import baseGet from './_baseGet.js';
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import baseIteratee from './_baseIteratee.js';
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import baseMap from './_baseMap.js';
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import baseSortBy from './_baseSortBy.js';
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import baseUnary from './_baseUnary.js';
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import compareMultiple from './_compareMultiple.js';
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import identity from './identity.js';
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import isArray from './isArray.js';
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/**
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* The base implementation of `_.orderBy` without param guards.
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*
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* @private
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* @param {Array|Object} collection The collection to iterate over.
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* @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
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* @param {string[]} orders The sort orders of `iteratees`.
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* @returns {Array} Returns the new sorted array.
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*/
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function baseOrderBy(collection, iteratees, orders) {
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if (iteratees.length) {
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iteratees = arrayMap(iteratees, function(iteratee) {
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if (isArray(iteratee)) {
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return function(value) {
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return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
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}
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}
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return iteratee;
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});
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} else {
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iteratees = [identity];
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}
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var index = -1;
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iteratees = arrayMap(iteratees, baseUnary(baseIteratee));
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var result = baseMap(collection, function(value, key, collection) {
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var criteria = arrayMap(iteratees, function(iteratee) {
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return iteratee(value);
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});
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return { 'criteria': criteria, 'index': ++index, 'value': value };
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});
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return baseSortBy(result, function(object, other) {
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return compareMultiple(object, other, orders);
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});
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}
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export default baseOrderBy;
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