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

29 lines
527 B
JavaScript

'use strict';
module.exports = function union(init) {
if (!Array.isArray(init)) {
throw new TypeError('arr-union expects the first argument to be an array.');
}
var len = arguments.length;
var i = 0;
while (++i < len) {
var arg = arguments[i];
if (!arg) continue;
if (!Array.isArray(arg)) {
arg = [arg];
}
for (var j = 0; j < arg.length; j++) {
var ele = arg[j];
if (init.indexOf(ele) >= 0) {
continue;
}
init.push(ele);
}
}
return init;
};