add some typescript tests (#7)

.github/workflows/main.yml

@@ -0,0 +1,26 @@
+name: Test
+on: [push]
+jobs:
+  test:
+    name: Build and test on Node ${{ matrix.node }} and ${{ matrix.os }}
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node: ['14.x', '16.x']
+        os: [ubuntu-latest]
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+
+      - name: Use Node ${{ matrix.node }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: Install deps and build (with cache)
+        uses: bahmutov/npm-install@v1
+
+      - name: Test
+        run: yarn tsc --noEmit

src/client.ts

@@ -11,13 +11,17 @@ async function main() {
     const greeting = await client.query(queries.greeting, { hello: 'world' });
     // you can CMD+click `post.all` below to get to the definition
     const posts = await client.query(queries['post.all']);
+
+    console.log({ greeting, posts });
   }
 
   {
     // we can also use string based path if we prefer that
     // (but then you can't click your way to the backend)
     const greeting = await client.query('greeting', { hello: 'string' });
     const posts = await client.query('post.all');
+
+    console.log({ greeting, posts });
   }
 }
 

src/trpc/client/client.ts

@@ -21,7 +21,7 @@ export function createClient<TRouter extends ProceduresByType<any>>() {
     path: TProcedure,
     ...args: inferProcedureArgs<TProcedure>
   ): Promise<inferProcedure<TProcedure>['result']>;
-  function query(...args: any[]): any {
+  function query(..._args: any[]): any {
     throw new Error('Unimplemented');
   }
   function mutation<
@@ -37,7 +37,7 @@ export function createClient<TRouter extends ProceduresByType<any>>() {
     path: TProcedure,
     ...args: inferProcedureArgs<TProcedure>
   ): Promise<inferProcedure<TProcedure>['result']>;
-  function mutation(...args: any[]): any {
+  function mutation(..._args: any[]): any {
     throw new Error('Unimplemented');
   }
 

src/trpc/server/procedure.ts

@@ -109,7 +109,7 @@ export function pipedResolver<TContext>() {
     MW2Params,
     ExcludeMiddlewareResult<TResult | MW1Result | MW2Result>
   >;
-  function middlewares(...args: any): any {
+  function middlewares(..._args: any): any {
     throw new Error('Unimplemented');
   }