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32 lines
756 B
32 lines
756 B
/*! |
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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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