Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | /*!
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| 2 | * unset-value <https://github.com/jonschlinkert/unset-value>
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| 3 | *
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| 4 | * Copyright (c) 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 isObject = require('isobject');
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| 11 | var has = require('has-value');
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| 12 |
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| 13 | module.exports = function unset(obj, prop) {
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| 14 | if (!isObject(obj)) {
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| 15 | throw new TypeError('expected an object.');
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| 16 | }
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| 17 | if (obj.hasOwnProperty(prop)) {
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| 18 | delete obj[prop];
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| 19 | return true;
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| 20 | }
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| 21 |
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| 22 | if (has(obj, prop)) {
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| 23 | var segs = prop.split('.');
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| 24 | var last = segs.pop();
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| 25 | while (segs.length && segs[segs.length - 1].slice(-1) === '\\') {
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| 26 | last = segs.pop().slice(0, -1) + '.' + last;
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| 27 | }
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| 28 | while (segs.length) obj = obj[prop = segs.shift()];
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| 29 | return (delete obj[last]);
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| 30 | }
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| 31 | return true;
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| 32 | };
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