Added check for falsey adapter in registerAdapter

src/adapters/cordova_pawsqlite/psql_adapter.mjs

@@ -1,27 +0,0 @@
-import { PSQLAdapterError } from "./psql_adapter_error.mjs";
-import { log } from "../../log.mjs";
-
-
-export const PSQLAdapter = {
-  open: (dbName) => new Promise((resolve, reject) => {
-    cordova.exec(resolve, (e) => {
-      reject(new PSQLAdapterError(e));
-    }, "PawSQLite", "open", [dbName]);
-  }),
-  close: (dbName) => new Promise((resolve, reject) => {
-    cordova.exec(resolve, (e) => {
-      reject(new PSQLAdapterError(e));
-    }, "PawSQLite", "close", [dbName]);
-  }),
-  sql: (dbName, sql, ...args) => new Promise((resolve, reject) => {
-    log(sql);
-    cordova.exec(resolve, (e) => {
-      reject(new PSQLAdapterError(e));
-    }, "PawSQLite", "sql", [dbName, sql, ...args]);
-  }),
-  delete: (dbName) => new Promise((resolve, reject) => {
-    cordova.exec(resolve, (e) => {
-      reject(new PSQLAdapterError(e));
-    }, "PawSQLite", "delete", [dbName]);
-  })
-};

src/adapters/cordova_pawsqlite/psql_adapter_error.mjs

@@ -1,31 +0,0 @@
-import { PawSQLiteError } from "../../pawsqlite_error.mjs";
-
-
-export class PSQLAdapterError extends PawSQLiteError {
-  constructor(response) {
-    if (response.hasOwnProperty("message")) {
-      super(response.message);
-    } else {
-      super();
-    }
-    if (response.hasOwnProperty("name")) {
-      this.name = response.name;
-    } else {
-      this.name = "PSQLAdapterError";
-    }
-    if (response.hasOwnProperty("trace")) {
-      this.trace = response.trace;
-    }
-  }
-
-  toString() {
-    let str = this.name;
-    if (this.hasOwnProperty("message")) {
-      str += ": " + this.message;
-    }
-    if (this.hasOwnProperty("trace")) {
-      str += "\n" + this.trace;
-    }
-    return str;
-  }
-}

src/pawsqlite.mjs

@@ -21,6 +21,10 @@ export default {
     return adapter.delete(dbName);
   },
   registerAdapter: function(adapter) {
+    if (!adapter) {
+      throw new PawSQLiteError("Invalid adapter");
+    }
+
     const wrapped = wrapAdapter(adapter);
 
     if (getAdapter(wrapped.name, true)) {