mirror of
https://github.com/swc-project/swc.git
synced 2024-12-20 20:22:26 +03:00
54 lines
1.8 KiB
TypeScript
54 lines
1.8 KiB
TypeScript
|
// Loaded from https://deno.land/x/ramda@v0.27.2/source/invoker.js
|
||
|
|
||
|
|
||
|
import _curry2 from './internal/_curry2.js';
|
||
|
import _isFunction from './internal/_isFunction.js';
|
||
|
import curryN from './curryN.js';
|
||
|
import toString from './toString.js';
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Turns a named method with a specified arity into a function that can be
|
||
|
* called directly supplied with arguments and a target object.
|
||
|
*
|
||
|
* The returned function is curried and accepts `arity + 1` parameters where
|
||
|
* the final parameter is the target object.
|
||
|
*
|
||
|
* @func
|
||
|
* @memberOf R
|
||
|
* @since v0.1.0
|
||
|
* @category Function
|
||
|
* @sig Number -> String -> (a -> b -> ... -> n -> Object -> *)
|
||
|
* @param {Number} arity Number of arguments the returned function should take
|
||
|
* before the target object.
|
||
|
* @param {String} method Name of any of the target object's methods to call.
|
||
|
* @return {Function} A new curried function.
|
||
|
* @see R.construct
|
||
|
* @example
|
||
|
*
|
||
|
* const sliceFrom = R.invoker(1, 'slice');
|
||
|
* sliceFrom(6, 'abcdefghijklm'); //=> 'ghijklm'
|
||
|
* const sliceFrom6 = R.invoker(2, 'slice')(6);
|
||
|
* sliceFrom6(8, 'abcdefghijklm'); //=> 'gh'
|
||
|
*
|
||
|
* const dog = {
|
||
|
* speak: async () => 'Woof!'
|
||
|
* };
|
||
|
* const speak = R.invoker(0, 'speak');
|
||
|
* speak(dog).then(console.log) //~> 'Woof!'
|
||
|
*
|
||
|
* @symb R.invoker(0, 'method')(o) = o['method']()
|
||
|
* @symb R.invoker(1, 'method')(a, o) = o['method'](a)
|
||
|
* @symb R.invoker(2, 'method')(a, b, o) = o['method'](a, b)
|
||
|
*/
|
||
|
var invoker = _curry2(function invoker(arity, method) {
|
||
|
return curryN(arity + 1, function() {
|
||
|
var target = arguments[arity];
|
||
|
if (target != null && _isFunction(target[method])) {
|
||
|
return target[method].apply(target, Array.prototype.slice.call(arguments, 0, arity));
|
||
|
}
|
||
|
throw new TypeError(toString(target) + ' does not have a method named "' + method + '"');
|
||
|
});
|
||
|
});
|
||
|
export default invoker;
|