@newdash/newdash/.internal/overRest.js

javascript/typescript utility library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const nativeMax = Math.max;
/**
 * A specialized version of `baseRest` which transforms the rest array.
 *
 * @private
 * @param {Function} func The function to apply a rest parameter to.
 * @param {number} [start=func.length-1] The start position of the rest parameter.
 * @param {Function} transform The rest array transform.
 * @returns {Function} Returns the new function.
 */
function overRest(func, start, transform) {
    start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
    return function () {
        // eslint-disable-next-line prefer-rest-params
        const args = arguments;
        let index = -1;
        const length = nativeMax(args.length - start, 0);
        const array = Array(length);
        while (++index < length) {
            array[index] = args[start + index];
        }
        index = -1;
        const otherArgs = Array(start + 1);
        while (++index < start) {
            otherArgs[index] = args[index];
        }
        otherArgs[start] = transform(array);
        return func.apply(this, otherArgs);
    };
}
exports.default = overRest;