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-rw-r--r--together/node_modules/asynckit/lib/state.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/together/node_modules/asynckit/lib/state.js b/together/node_modules/asynckit/lib/state.js
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+// API
+module.exports = state;
+
+/**
+ * Creates initial state object
+ * for iteration over list
+ *
+ * @param {array|object} list - list to iterate over
+ * @param {function|null} sortMethod - function to use for keys sort,
+ * or `null` to keep them as is
+ * @returns {object} - initial state object
+ */
+function state(list, sortMethod)
+{
+ var isNamedList = !Array.isArray(list)
+ , initState =
+ {
+ index : 0,
+ keyedList: isNamedList || sortMethod ? Object.keys(list) : null,
+ jobs : {},
+ results : isNamedList ? {} : [],
+ size : isNamedList ? Object.keys(list).length : list.length
+ }
+ ;
+
+ if (sortMethod)
+ {
+ // sort array keys based on it's values
+ // sort object's keys just on own merit
+ initState.keyedList.sort(isNamedList ? sortMethod : function(a, b)
+ {
+ return sortMethod(list[a], list[b]);
+ });
+ }
+
+ return initState;
+}