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keksAccountGUI/node_modulesOLD/sort-keys/index.js

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2019-08-11 18:48:02 +00:00
'use strict';
const isPlainObj = require('is-plain-obj');
module.exports = (obj, opts) => {
if (!isPlainObj(obj)) {
throw new TypeError('Expected a plain object');
}
opts = opts || {};
// DEPRECATED
if (typeof opts === 'function') {
throw new TypeError('Specify the compare function as an option instead');
}
const deep = opts.deep;
const seenInput = [];
const seenOutput = [];
const sortKeys = x => {
const seenIndex = seenInput.indexOf(x);
if (seenIndex !== -1) {
return seenOutput[seenIndex];
}
const ret = {};
const keys = Object.keys(x).sort(opts.compare);
seenInput.push(x);
seenOutput.push(ret);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const val = x[key];
if (deep && Array.isArray(val)) {
const retArr = [];
for (let j = 0; j < val.length; j++) {
retArr[j] = isPlainObj(val[j]) ? sortKeys(val[j]) : val[j];
}
ret[key] = retArr;
continue;
}
ret[key] = deep && isPlainObj(val) ? sortKeys(val) : val;
}
return ret;
};
return sortKeys(obj);
};