First commit

node_modules/ldapjs/lib/client/message-tracker/id-generator.js

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+'use strict'
+
+const { MAX_MSGID } = require('../constants')
+
+/**
+ * Returns a function that generates message identifiers. According to RFC 4511
+ * the identifers should be `(0, MAX_MSGID)`. The returned function handles
+ * this and wraps around when the maximum has been reached.
+ *
+ * @param {integer} [start=0] Starting number in the identifier sequence.
+ *
+ * @returns {function} This function accepts no parameters and returns an
+ * increasing sequence identifier each invocation until it reaches the maximum
+ * identifier. At this point the sequence starts over.
+ */
+module.exports = function idGeneratorFactory (start = 0) {
+  let currentID = start
+  return function nextID () {
+    const id = currentID + 1
+    currentID = (id >= MAX_MSGID) ? 1 : id
+    return currentID
+  }
+}