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33 lines
756 B
JavaScript
33 lines
756 B
JavaScript
5 years ago
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/*!
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* unset-value <https://github.com/jonschlinkert/unset-value>
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*
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* Copyright (c) 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 isObject = require('isobject');
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var has = require('has-value');
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module.exports = function unset(obj, prop) {
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if (!isObject(obj)) {
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throw new TypeError('expected an object.');
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}
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if (obj.hasOwnProperty(prop)) {
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delete obj[prop];
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return true;
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}
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if (has(obj, prop)) {
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var segs = prop.split('.');
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var last = segs.pop();
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while (segs.length && segs[segs.length - 1].slice(-1) === '\\') {
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last = segs.pop().slice(0, -1) + '.' + last;
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}
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while (segs.length) obj = obj[prop = segs.shift()];
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return (delete obj[last]);
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}
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return true;
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};
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