swc/crates/swc_bundler/tests/.cache/deno/eddcdb43b255c33e82cd5ba6b84aab5163bc53c0.ts
2021-11-09 20:42:49 +09:00

29 lines
909 B
TypeScript

// Loaded from https://deno.land/x/ramda@v0.27.2/source/internal/_checkForMethod.js
import _isArray from './_isArray.js';
/**
* This checks whether a function has a [methodname] function. If it isn't an
* array it will execute that function otherwise it will default to the ramda
* implementation.
*
* @private
* @param {Function} fn ramda implementation
* @param {String} methodname property to check for a custom implementation
* @return {Object} Whatever the return value of the method is.
*/
export default function _checkForMethod(methodname, fn) {
return function() {
var length = arguments.length;
if (length === 0) {
return fn();
}
var obj = arguments[length - 1];
return (_isArray(obj) || typeof obj[methodname] !== 'function') ?
fn.apply(this, arguments) :
obj[methodname].apply(obj, Array.prototype.slice.call(arguments, 0, length - 1));
};
}