Merge pull request #1 from Gozala/test

Ability to provide project path

.github/workflows/main.yml

@@ -1,6 +1,14 @@
 name: main
 
-on: [push]
+on:
+  push:
+    branches:
+      - master
+      - main
+      - default
+  pull_request:
+    branches:
+      - '**'
 
 jobs:
   test:
@@ -23,5 +31,11 @@ jobs:
             ${{ runner.os }}-node-
       - name: Install dependencies
         run: yarn install --frozen-lockfile
+      - name: Build
+        run: yarn build
       - name: Typecheck
         uses: ./
+      - name: Typecheck projectFixtures/sub
+        uses: ./
+        with:
+          project: projectFixtures/sub

projectFixtures/sub/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "sub",
+  "private": "true",
+  "devDependencies": {
+    "typescript": "4.0.3"
+  }
+}

projectFixtures/sub/src/main.js

@@ -0,0 +1,12 @@
+export const main = async () => {
+  greet("world")
+}
+
+
+/**
+ * 
+ * @param {string} name 
+ */
+const greet = (name) => {
+  return `Hello ${name}`
+}

projectFixtures/sub/tsconfig.json

@@ -0,0 +1,35 @@
+{
+  "compilerOptions": {
+    "allowJs": true,
+    "checkJs": true,
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitReturns": false,
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "strictFunctionTypes": false,
+    "strictNullChecks": true,
+    "strictPropertyInitialization": true,
+    "strictBindCallApply": true,
+    "strict": true,
+    "alwaysStrict": true,
+    "esModuleInterop": true,
+    "target": "ES2018",
+    "moduleResolution": "node",
+    "declaration": true,
+    "declarationMap": true,
+    "outDir": "dist",
+    "skipLibCheck": true,
+    "stripInternal": true,
+    "resolveJsonModule": true
+  },
+  "include": [
+    "src"
+  ],
+  "exclude": [
+    "node_modules"
+  ],
+  "compileOnSave": false
+}

src/index.ts

@@ -9,10 +9,10 @@ import { loadTSModule } from './loadTSModule'
 async function main() {
   try {
     const project = getInput('project') || 'tsconfig.json'
-    const tscPath = getInput('tsc')
-    const projectPath = path.resolve(process.cwd(), project)
-    if (!fs.existsSync(projectPath)) {
-      throw new Error(`No such TS config file: ${projectPath}`)
+    const projectPath = resolveProjectPath(path.resolve(process.cwd(), project))
+
+    if (projectPath == null) {
+      throw new Error(`No valid typescript project was not found at: ${projectPath}`)
     }
 
     const ts = await loadTSModule(projectPath)
@@ -34,4 +34,20 @@ async function main() {
   }
 }
 
+/**
+ * Attempts to resolve ts config file and returns either path to it or `null`.
+ */
+const resolveProjectPath = (projectPath:string) => {
+  try {
+    if (fs.statSync(projectPath).isFile()) {
+      return projectPath
+    } else {
+      const configPath = path.resolve(projectPath, "tsconfig.json")
+      return fs.statSync(configPath).isFile() ? configPath : null
+    }
+  } catch {
+    return null
+  }
+}
+
 main()