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66 lines
1.3 KiB
66 lines
1.3 KiB
3 years ago
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/*!
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* sort-keys <https://github.com/helpers/sort-keys>
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*
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* Copyright (c) 2014 Brian Woodward, Jon Schlinkert, contributors.
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* Licensed under the MIT License
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*/
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'use strict';
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var sortDesc = require('sort-desc');
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var sortAsc = require('sort-asc');
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module.exports = function (obj, options) {
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var sort = {desc: sortDesc, asc: sortAsc};
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var fn, opts = {}, keys = Object.keys(obj);
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// if `options` is an array, assume it's keys
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if (Array.isArray(options)) {
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opts.keys = options;
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options = {};
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// if `options` is a function, assume it's a sorting function
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} else if (typeof options === 'function') {
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fn = options;
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} else {
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for (var opt in options) {
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if (options.hasOwnProperty(opt)) {
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opts[opt] = options[opt]
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}
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}
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}
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// Default sort order is descending
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fn = opts.sort || sortDesc;
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if (Boolean(opts.sortOrder)) {
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fn = sort[opts.sortOrder.toLowerCase()];
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}
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if (Boolean(opts.sortBy)) {
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keys = opts.sortBy(obj);
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fn = null;
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}
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if (Boolean(opts.keys)) {
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keys = opts.keys;
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if (!opts.sort && !opts.sortOrder && !opts.sortBy) {
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fn = null;
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}
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}
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if (fn) {
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keys = keys.sort(fn);
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}
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var o = {};
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var len = keys.length;
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var i = -1;
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while (++i < len) {
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o[keys[i]] = obj[keys[i]];
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}
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return o;
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};
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