27 lines
1.2 KiB
JavaScript
27 lines
1.2 KiB
JavaScript
|
const require_flatten = require("../array/flatten.js");
|
||
|
|
//#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<number | number[]>} 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 = require_flatten.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
|
||
|
|
exports.rearg = rearg;
|