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17 lines
273 B
JavaScript

"use strict";
module.exports = function splitFilter(array, predicate) {
let truthy = [];
let falsy = [];
for (let [ i, item ] of array.entries()) {
if (predicate(item, i)) {
truthy.push(item);
} else {
falsy.push(item);
}
}
return [ truthy, falsy ];
};