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Fixes #194 Allow forEach target to be an iterator function

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Patrick Steele-Idem 2015-12-28 14:44:08 -07:00
parent 81ca6753d4
commit 6e1d1cb505
1 changed files with 11 additions and 2 deletions
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13
runtime/helpers.js
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@ -21,9 +21,9 @@ var runtime = require('./'); // Circular dependency, but that is okay
var extend = require('raptor-util/extend');
var attr = require('raptor-util/attr');
var attrs = require('raptor-util/attrs');
var forEach = require('raptor-util/forEach');
var arrayFromArguments = require('raptor-util/arrayFromArguments');
var logger = require('raptor-logging').logger(module);
var isArray = Array.isArray;
function notEmpty(o) {
if (o == null) {
@ -104,7 +104,16 @@ module.exports = {
* Internal helper method to handle loops without a status variable
* @private
*/
f: forEach,
f: function forEach(array, callback) {
if (isArray(array)) {
for (var i=0; i<array.length; i++) {
callback(array[i]);
}
} else if (typeof array === 'function') {
// Also allow the first argument to be a custom iterator function
array(callback);
}
},
/**
* Internal helper method to handle native for loops
* @private