extend DataSource for TS types

Author: cvburgess

SQLDataSource.js

@@ -1,9 +1,10 @@
-const SQLCache = require("./SQLCache");
+const DataSource = require("apollo-datasource");
 const knexTinyLogger = require("knex-tiny-logger").default;
+const SQLCache = require("./SQLCache");
 
 const { DEBUG } = process.env;
 
-class SQLDataSource {
+class SQLDataSource extends DataSource {
   initialize(config) {
     if (DEBUG) knexTinyLogger(this.knex); // Add a logging utility for debugging
     this.context = config.context;

package-lock.json

@@ -37,6 +37,7 @@
   },
   "homepage": "https://github.com/cvburgess/SQLDataSource#readme",
   "dependencies": {
+    "apollo-datasource": "^0.1.3",
     "apollo-server-caching": "^0.1.2",
     "dataloader": "^1.4.0",
     "knex-tiny-logger": "^1.1.0"