Last change
on this file since 1ad8e64 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | /*!
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2 | * set-value <https://github.com/jonschlinkert/set-value>
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3 | *
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4 | * Copyright (c) 2014-2015, 2017, Jon Schlinkert.
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5 | * Released under the MIT License.
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6 | */
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7 |
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8 | 'use strict';
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9 |
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10 | var split = require('split-string');
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11 | var extend = require('extend-shallow');
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12 | var isPlainObject = require('is-plain-object');
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13 | var isObject = require('is-extendable');
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14 |
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15 | module.exports = function(obj, prop, val) {
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16 | if (!isObject(obj)) {
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17 | return obj;
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18 | }
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19 |
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20 | if (Array.isArray(prop)) {
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21 | prop = [].concat.apply([], prop).join('.');
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22 | }
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23 |
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24 | if (typeof prop !== 'string') {
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25 | return obj;
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26 | }
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27 |
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28 | var keys = split(prop, {sep: '.', brackets: true}).filter(isValidKey);
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29 | var len = keys.length;
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30 | var idx = -1;
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31 | var current = obj;
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32 |
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33 | while (++idx < len) {
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34 | var key = keys[idx];
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35 | if (idx !== len - 1) {
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36 | if (!isObject(current[key])) {
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37 | current[key] = {};
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38 | }
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39 | current = current[key];
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40 | continue;
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41 | }
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42 |
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43 | if (isPlainObject(current[key]) && isPlainObject(val)) {
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44 | current[key] = extend({}, current[key], val);
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45 | } else {
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46 | current[key] = val;
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47 | }
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48 | }
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49 |
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50 | return obj;
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51 | };
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52 |
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53 | function isValidKey(key) {
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54 | return key !== '__proto__' && key !== 'constructor' && key !== 'prototype';
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55 | }
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