(#1108) - split out index.js

lib/constructor.js

@@ -0,0 +1,78 @@
+"use strict";
+
+var Adapter = require('./adapter')(PouchDB);
+function PouchDB(name, opts, callback) {
+
+  if (!(this instanceof PouchDB)) {
+    return new PouchDB(name, opts, callback);
+  }
+
+  if (typeof opts === 'function' || typeof opts === 'undefined') {
+    callback = opts;
+    opts = {};
+  }
+
+  if (typeof name === 'object') {
+    opts = name;
+    name = undefined;
+  }
+
+  if (typeof callback === 'undefined') {
+    callback = function () {};
+  }
+
+  var backend = PouchDB.parseAdapter(opts.name || name);
+  opts.originalName = name;
+  opts.name = opts.name || backend.name;
+  opts.adapter = opts.adapter || backend.adapter;
+
+  if (!PouchDB.adapters[opts.adapter]) {
+    throw 'Adapter is missing';
+  }
+
+  if (!PouchDB.adapters[opts.adapter].valid()) {
+    throw 'Invalid Adapter';
+  }
+
+  var adapter = new Adapter(opts, function (err, db) {
+    if (err) {
+      if (callback) {
+        callback(err);
+      }
+      return;
+    }
+
+    for (var plugin in PouchDB.plugins) {
+      // In future these will likely need to be async to allow the plugin
+      // to initialise
+      var pluginObj = PouchDB.plugins[plugin](db);
+      for (var api in pluginObj) {
+        // We let things like the http adapter use its own implementation
+        // as it shares a lot of code
+        if (!(api in db)) {
+          db[api] = pluginObj[api];
+        }
+      }
+    }
+    db.taskqueue.ready(true);
+    db.taskqueue.execute(db);
+    callback(null, db);
+  });
+  for (var j in adapter) {
+    this[j] = adapter[j];
+  }
+  for (var plugin in PouchDB.plugins) {
+    // In future these will likely need to be async to allow the plugin
+    // to initialise
+    var pluginObj = PouchDB.plugins[plugin](this);
+    for (var api in pluginObj) {
+      // We let things like the http adapter use its own implementation
+      // as it shares a lot of code
+      if (!(api in this)) {
+        this[api] = pluginObj[api];
+      }
+    }
+  }
+}
+
+module.exports = PouchDB;