oneuptime/ContainerScanner/utils/flattenArray.ts

/**
 * @param {array} arr array that needs flattening
 * @description flattens an array of any depth
 * @return {array} a flattened array
 */

export default function flat(arr: $TSFixMe): void {
    const flattened: $TSFixMe = [];
    const flatten: Function = (arr: $TSFixMe): void => {
        for (const val of arr) {
            if (Array.isArray(val)) {
                flatten(val);
            } else {
                flattened.push(val);
            }
        }
    };
    flatten(arr);
    return flattened;
}