Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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[6a3a178] | 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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