1 files changed, 63 insertions, 0 deletions
diff --git a/node_modules/async-foreach/lib/foreach.js b/node_modules/async-foreach/lib/foreach.js
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+++ b/node_modules/async-foreach/lib/foreach.js
@@ -0,0 +1,63 @@
+/*!
+ * Sync/Async forEach
+ * https://github.com/cowboy/javascript-sync-async-foreach
+ *
+ * Copyright (c) 2012 "Cowboy" Ben Alman
+ * Licensed under the MIT license.
+ * http://benalman.com/about/license/
+ */
+
+(function(exports) {
+
+  // Iterate synchronously or asynchronously.
+  exports.forEach = function(arr, eachFn, doneFn) {
+    var i = -1;
+    // Resolve array length to a valid (ToUint32) number.
+    var len = arr.length >>> 0;
+
+    // This IIFE is called once now, and then again, by name, for each loop
+    // iteration.
+    (function next(result) {
+      // This flag will be set to true if `this.async` is called inside the
+      // eachFn` callback.
+      var async;
+      // Was false returned from the `eachFn` callback or passed to the
+      // `this.async` done function?
+      var abort = result === false;
+
+      // Increment counter variable and skip any indices that don't exist. This
+      // allows sparse arrays to be iterated.
+      do { ++i; } while (!(i in arr) && i !== len);
+
+      // Exit if result passed to `this.async` done function or returned from
+      // the `eachFn` callback was false, or when done iterating.
+      if (abort || i === len) {
+        // If a `doneFn` callback was specified, invoke that now. Pass in a
+        // boolean value representing "not aborted" state along with the array.
+        if (doneFn) {
+          doneFn(!abort, arr);
+        }
+        return;
+      }
+
+      // Invoke the `eachFn` callback, setting `this` inside the callback to a
+      // custom object that contains one method, and passing in the array item,
+      // index, and the array.
+      result = eachFn.call({
+        // If `this.async` is called inside the `eachFn` callback, set the async
+        // flag and return a function that can be used to continue iterating.
+        async: function() {
+          async = true;
+          return next;
+        }
+      }, arr[i], i, arr);
+
+      // If the async flag wasn't set, continue by calling `next` synchronously,
+      // passing in the result of the `eachFn` callback.
+      if (!async) {
+        next(result);
+      }
+    }());
+  };
+
+}(typeof exports === "object" && exports || this));
+\ No newline at end of file