Browser-specific persistence module

browser-version/browser-specific/lib/persistence.js

@@ -0,0 +1,40 @@
+/**
+ * Handle every persistence-related task
+ * The interface Datastore expects to be implemented is
+ * * Persistence.loadDatabase(callback) and callback has signature err
+ * * Persistence.persistNewState(newDocs, callback) where newDocs is an array of documents and callback has signature err
+ *
+ * Shim for the browser
+ */
+
+/**
+ * Create a new Persistence object for database options.db
+ * For now, no browser persistence supported, in-memory only mode forced
+ * @param {Datastore} options.db
+ */
+function Persistence (options) {
+  this.db = options.db;
+  this.db.inMemoryOnly = true;
+  this.db.filename = null;
+  this.inMemoryOnly = true;
+};
+
+
+/**
+ * No persistence in the browser (for now)
+ */
+Persistence.prototype.persistNewState = function (newDocs, cb) {
+  if (cb) { return cb(); }
+};
+
+
+/**
+ * No persistence in the browser (for now)
+ */
+Persistence.prototype.loadDatabase = function (cb) {
+  if (cb) { return cb(); }
+};
+
+
+// Interface
+module.exports = Persistence;

lib/persistence.js

@@ -171,8 +171,6 @@ Persistence.treatRawData = function (rawData) {
  * Also, all data is persisted right away, which has the effect of compacting the database file
  * This operation is very quick at startup for a big collection (60ms for ~10k docs)
  * @param {Function} cb Optional callback, signature: err
- *
- * @api private Use loadDatabase
  */
 Persistence.prototype.loadDatabase = function (cb) {
   var callback = cb || function () {}