Ramda Adjunct 1.14.0

weave.js

  1. import { curryN } from 'ramda';
  3. /**
  4.  * Weaves a configuration into function returning the runnable monad like `Reader` or `Free`.
  5.  * This allows us to pre-bind the configuration in advance and use the weaved function
  6.  * without need to explicitly pass the configuration on every call.
  7.  *
  8.  * @func weave
  9.  * @memberOf RA
  10.  * @since {@link https://char0n.github.io/ramda-adjunct/1.7.0|v1.7.0}
  11.  * @category Function
  12.  * @sig (*... -> *) -> * -> (*... -> *)
  13.  * @param {Function} fn The function to weave
  14.  * @param {*} config The configuration to weave into fn
  15.  * @return {Function} Auto-curried weaved function
  16.  * @example
  17.  *
  18.  * const { Reader: reader } = require('monet');
  19.  *
  20.  * const log = value => reader(
  21.  *   config => config.log(value)
  22.  * );
  23.  *
  24.  * // no weaving
  25.  * log('test').run(console); //=> prints 'test'
  26.  *
  27.  * // weaving
  28.  * const wlog = RA.weave(log, console);
  29.  * wlog('test'); //=> prints 'test'
  30.  */
  31. const weave = curryN(2, (fn, config) => curryN(fn.length, (...args) => fn(...args).run(config)));
  33. export default weave;