mout/function/bind.js

Modular Utilities

    function slice(arr, offset){
        return Array.prototype.slice.call(arr, offset || 0);
    }

    /**
     * Return a function that will execute in the given context, optionally adding any additional supplied parameters to the beginning of the arguments collection.
     * @param {Function} fn  Function.
     * @param {object} context   Execution context.
     * @param {rest} args    Arguments (0...n arguments).
     * @return {Function} Wrapped Function.
     */
    function bind(fn, context, args){
        var argsArr = slice(arguments, 2); //curried args
        return function(){
            return fn.apply(context, argsArr.concat(slice(arguments)));
        };
    }

    module.exports = bind;