Add TypeScript compiler config

alphagov · Feb 22, 2023 · 73a706a · 73a706a
1 parent 6500bf2
commit 73a706a
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Showing 8 changed files with 76 additions and 8 deletions.
diff --git a/app/tsconfig.json b/app/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../tsconfig.base.json",
+  "include": ["**/*.js", "**/*.json"],
+  "exclude": ["**/*.test.*"],
+  "compilerOptions": {
+    "resolveJsonModule": true
+  }
+}
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -79,6 +79,7 @@
     "@percy/cli": "^1.20.0",
     "@percy/puppeteer": "^2.0.2",
     "@percy/sdk-utils": "^1.20.0",
+    "@types/node": "^18.11.18",
     "cheerio": "^1.0.0-rc.12",
     "editorconfig-checker": "^5.0.1",
     "eslint": "^8.34.0",
@@ -105,7 +106,8 @@
     "standard": "^17.0.0",
     "stylelint": "^14.16.1",
     "stylelint-config-gds": "^0.2.0",
-    "stylelint-order": "^6.0.2"
+    "stylelint-order": "^6.0.2",
+    "typescript": "^4.9.5"
   },
   "overrides": {
     "chokidar@^2": {

diff --git a/src/tsconfig.json b/src/tsconfig.json
@@ -0,0 +1,9 @@
+{
+  "extends": "../tsconfig.base.json",
+  "include": ["**/*.mjs"],
+  "exclude": ["**/*.test.*"],
+  "compilerOptions": {
+    "lib": ["ESNext", "DOM"],
+    "target": "ES2015"
+  }
+}
diff --git a/tasks/gulp/__tests__/after-build-package.test.mjs b/tasks/gulp/__tests__/after-build-package.test.mjs
@@ -34,6 +34,7 @@ describe('package/', () => {
       '!**/*.test.*',
       '!**/__snapshots__/',
       '!**/__snapshots__/**',
+      '!**/tsconfig.json',
       '!govuk/README.md'
     ]
 

diff --git a/tasks/gulp/copy-to-destination.mjs b/tasks/gulp/copy-to-destination.mjs
@@ -55,6 +55,7 @@ export function copyFiles () {
         '!**/*.test.*',
         '!**/__snapshots__/',
         '!**/__snapshots__/**',
+        '!**/tsconfig.json',
 
         // Preserve destination README when copying to ./package
         // https://github.com/alphagov/govuk-frontend/tree/main/package#readme

diff --git a/tsconfig.base.json b/tsconfig.base.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "allowJs": true,
+    "checkJs": true,
+    "lib": ["ESNext"],
+    "module": "NodeNext",
+    "noEmit": true,
+    "strict": false,
+    "strictBindCallApply": true,
+    "strictFunctionTypes": true,
+    "target": "ESNext",
+    "types": ["node"]
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "extends": "./tsconfig.base.json",
+  "files": [],
+  "references": [
+    {
+      "path": "./app"
+    },
+    {
+      "path": "./src"
+    }
+  ]
+}