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Contents
/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT = 'Expected a function';
/**
* Creates a function that invokes `func` with the `this` binding of the
* created function and the array of arguments provided to the created
* function much like [Function#apply](http://es5.github.io/#x15.3.4.3).
*
* @static
* @memberOf _
* @category Function
* @param {Function} func The function to spread arguments over.
* @returns {*} Returns the new function.
* @example
*
* var spread = _.spread(function(who, what) {
* return who + ' says ' + what;
* });
*
* spread(['Fred', 'hello']);
* // => 'Fred says hello'
*
* // with a Promise
* var numbers = Promise.all([
* Promise.resolve(40),
* Promise.resolve(36)
* ]);
*
* var add = function(x, y) {
* return x + y;
* };
*
* numbers.then(_.spread(add));
* // => a Promise of 76
*/
function spread(func) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
return function(array) {
return func.apply(this, array);
};
}
module.exports = spread;
Version data entries
14 entries across 7 versions & 1 rubygems