import { flatten } from "../array/flatten.mjs"; //#region src/compat/function/rearg.ts /** * Creates a function that invokes `func` with arguments arranged according to the specified `indices` * where the argument value at the first index is provided as the first argument, * the argument value at the second index is provided as the second argument, and so on. * * @param {(...args: any[]) => any} func The function to rearrange arguments for. * @param {Array} indices The arranged argument indices. * @returns {(...args: any[]) => any} Returns the new function. * * @example * const greet = (greeting: string, name: string) => `${greeting}, ${name}!`; * const rearrangedGreet = rearg(greet, 1, 0); * console.log(rearrangedGreet('World', 'Hello')); // Output: "Hello, World!" */ function rearg(func, ...indices) { const flattenIndices = flatten(indices); return function(...args) { const reorderedArgs = flattenIndices.map((i) => args[i]).slice(0, args.length); for (let i = reorderedArgs.length; i < args.length; i++) reorderedArgs.push(args[i]); return func.apply(this, reorderedArgs); }; } //#endregion export { rearg };