64 lines
1.1 KiB
JavaScript
64 lines
1.1 KiB
JavaScript
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/*!
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* set-value <https://github.com/jonschlinkert/set-value>
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*
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* Copyright (c) 2014-2015, 2017, Jon Schlinkert.
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* Released under the MIT License.
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*/
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'use strict';
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var toPath = require('to-object-path');
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var extend = require('extend-shallow');
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var isPlainObject = require('is-plain-object');
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var isObject = require('is-extendable');
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module.exports = function(obj, path, val) {
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if (!isObject(obj)) {
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return obj;
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}
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if (Array.isArray(path)) {
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path = toPath(path);
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}
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if (typeof path !== 'string') {
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return obj;
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}
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var segs = path.split('.');
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var len = segs.length, i = -1;
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var res = obj;
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var last;
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while (++i < len) {
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var key = segs[i];
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while (key[key.length - 1] === '\\') {
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key = key.slice(0, -1) + '.' + segs[++i];
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}
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if (i === len - 1) {
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last = key;
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break;
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}
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if (!isObject(obj[key])) {
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obj[key] = {};
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}
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obj = obj[key];
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}
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if (obj.hasOwnProperty(last) && isObject(obj[last])) {
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if (isPlainObject(val)) {
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extend(obj[last], val);
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} else {
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obj[last] = val;
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}
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} else {
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obj[last] = val;
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}
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return res;
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};
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