action-debian-package/node_modules/ramda/es/pipeP.js
Dawid Dziurla 9308795b8b
update
2020-03-26 15:37:35 +01:00

31 lines
949 B
JavaScript

import _arity from "./internal/_arity.js";
import _pipeP from "./internal/_pipeP.js";
import reduce from "./reduce.js";
import tail from "./tail.js";
/**
* Performs left-to-right composition of one or more Promise-returning
* functions. The first argument may have any arity; the remaining arguments
* must be unary.
*
* @func
* @memberOf R
* @since v0.10.0
* @category Function
* @sig ((a -> Promise b), (b -> Promise c), ..., (y -> Promise z)) -> (a -> Promise z)
* @param {...Function} functions
* @return {Function}
* @see R.composeP
* @deprecated since v0.26.0
* @example
*
* // followersForUser :: String -> Promise [User]
* const followersForUser = R.pipeP(db.getUserById, db.getFollowers);
*/
export default function pipeP() {
if (arguments.length === 0) {
throw new Error('pipeP requires at least one argument');
}
return _arity(arguments[0].length, reduce(_pipeP, arguments[0], tail(arguments)));
}