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keksAccountGUI/node_modulesOLD/union-value/index.js
2019-08-11 20:48:02 +02:00

30 lines
700 B
JavaScript

'use strict';
var isObject = require('is-extendable');
var union = require('arr-union');
var get = require('get-value');
var set = require('set-value');
module.exports = function unionValue(obj, prop, value) {
if (!isObject(obj)) {
throw new TypeError('union-value expects the first argument to be an object.');
}
if (typeof prop !== 'string') {
throw new TypeError('union-value expects `prop` to be a string.');
}
var arr = arrayify(get(obj, prop));
set(obj, prop, union(arr, arrayify(value)));
return obj;
};
function arrayify(val) {
if (val === null || typeof val === 'undefined') {
return [];
}
if (Array.isArray(val)) {
return val;
}
return [val];
}