Perform type check with TypeScript in CI (#113)

* Add check script

Update tsconfig.json

* Run check script in CI

* Upgrade jest and @types/jest

* Fix type checking issues in tests

Author: mattt

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 jobs:
   test:
@@ -16,12 +16,13 @@ jobs:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v3
-      with:
-        node-version: ${{ matrix.node-version }}
-        cache: 'npm'
-    - run: npm ci
-    - run: npm run test
-    - run: npm run lint
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+      - run: npm ci
+      - run: npm run test
+      - run: npm run check
+      - run: npm run lint

index.test.ts

@@ -1,5 +1,5 @@
 import { expect, jest, test } from '@jest/globals';
-import Replicate, { Prediction } from 'replicate';
+import Replicate, { ApiError, Prediction } from 'replicate';
 import nock from 'nock';
 import fetch from 'cross-fetch';
 
@@ -37,14 +37,6 @@ describe('Replicate client', () => {
     test('Throws error if no auth token is provided', () => {
       const expected = 'Missing required parameter: auth'
 
-      expect(() => {
-        new Replicate({ auth: undefined });
-      }).toThrow(expected);
-
-      expect(() => {
-        new Replicate({ auth: null });
-      }).toThrow(expected);
-
       expect(() => {
         new Replicate({ auth: "" });
       }).toThrow(expected);
@@ -156,7 +148,7 @@ describe('Replicate client', () => {
       nock(BASE_URL)
         .post('/predictions')
         .reply(201, (_uri, body) => {
-          expect(body[ 'stream' ]).toBe(true);
+          expect((body as any).stream).toBe(true);
           return body
         })
 
@@ -200,8 +192,8 @@ describe('Replicate client', () => {
           },
         });
       } catch (error) {
-        expect(error.response.status).toBe(400);
-        expect(error.message).toContain("Invalid input")
+        expect((error as ApiError).response.status).toBe(400);
+        expect((error as ApiError).message).toContain("Invalid input")
       }
     })
     // Add more tests for error handling, edge cases, etc.