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authorJeffrey Burdges <burdges@gnunet.org>2017-08-29 13:41:58 +0200
committerJeffrey Burdges <burdges@gnunet.org>2017-08-29 13:41:58 +0200
commit541256ca99875b6007cf6338f7593c8397053514 (patch)
tree662ca2ee4d1846401bdc826895ad7a8390d54f9a /node_modules/axios/lib/helpers/spread.js
parent33edef30acda54fc23ec1238d8de13c07a0c87a8 (diff)
parent52ebba90d6625f78105b94fb4f528bca829cb18f (diff)
Merge branch 'master' of ssh://taler.net/wallet-webex
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+'use strict';
+
+/**
+ * Syntactic sugar for invoking a function and expanding an array for arguments.
+ *
+ * Common use case would be to use `Function.prototype.apply`.
+ *
+ * ```js
+ * function f(x, y, z) {}
+ * var args = [1, 2, 3];
+ * f.apply(null, args);
+ * ```
+ *
+ * With `spread` this example can be re-written.
+ *
+ * ```js
+ * spread(function(x, y, z) {})([1, 2, 3]);
+ * ```
+ *
+ * @param {Function} callback
+ * @returns {Function}
+ */
+module.exports = function spread(callback) {
+ return function wrap(arr) {
+ return callback.apply(null, arr);
+ };
+};