ramda/src/tap.js

A practical functional library for JavaScript programmers.

var _curry2 = /*#__PURE__*/require("./internal/_curry2.js");
var _dispatchable = /*#__PURE__*/require("./internal/_dispatchable.js");
var _xtap = /*#__PURE__*/require("./internal/_xtap.js");
/**
 * Runs the given function with the supplied object, then returns the object.
 *
 * Acts as a transducer if a transformer is given as second parameter.
 *
 * @func
 * @memberOf R
 * @since v0.1.0
 * @category Function
 * @sig (a -> *) -> a -> a
 * @param {Function} fn The function to call with `x`. The return value of `fn` will be thrown away.
 * @param {*} x
 * @return {*} `x`.
 * @example
 *
 *      const sayX = x => console.log('x is ' + x);
 *      R.tap(sayX, 100); //=> 100
 *      // logs 'x is 100'
 * @symb R.tap(f, a) = (f(a), a)
 */
var tap = /*#__PURE__*/_curry2( /*#__PURE__*/_dispatchable([], _xtap, function tap(fn, x) {
  fn(x);
  return x;
}));
module.exports = tap;