aaac7fed
 liuqimichale
add
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/*!
* unset-value <https://github.com/jonschlinkert/unset-value>
*
* Copyright (c) 2015, 2017, Jon Schlinkert.
* Released under the MIT License.
*/
'use strict';
var isObject = require('isobject');
var has = require('has-value');
module.exports = function unset(obj, prop) {
if (!isObject(obj)) {
throw new TypeError('expected an object.');
}
if (obj.hasOwnProperty(prop)) {
delete obj[prop];
return true;
}
if (has(obj, prop)) {
var segs = prop.split('.');
var last = segs.pop();
while (segs.length && segs[segs.length - 1].slice(-1) === '\\') {
last = segs.pop().slice(0, -1) + '.' + last;
}
while (segs.length) obj = obj[prop = segs.shift()];
return (delete obj[last]);
}
return true;
};
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