Merge pull request #1551 from stripe/anniel-typescript-take2

Re-introduce Typescript changes

.eslintignore

@@ -1,2 +1,4 @@
 *.node*.js
-node_modules
+node_modules
+lib
+testProjects

.eslintrc.js

@@ -249,4 +249,30 @@ module.exports = {
   },
   plugins: ['prettier'],
   extends: ['plugin:prettier/recommended'],
+  overrides: [
+    {
+      files: ["**/*.ts"],
+      parser: "@typescript-eslint/parser",
+      plugins: ['@typescript-eslint', 'prettier'],
+      extends: [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/eslint-recommended',
+        'plugin:@typescript-eslint/recommended',
+        'plugin:prettier/recommended',
+      ],
+      rules: {
+        '@typescript-eslint/no-use-before-define': 0,
+        '@typescript-eslint/no-empty-interface': 0,
+        '@typescript-eslint/no-unused-vars': 0,
+        '@typescript-eslint/triple-slash-reference': 0,
+        '@typescript-eslint/ban-ts-ignore': 0,
+        '@typescript-eslint/no-empty-function': 0,
+        '@typescript-eslint/camelcase': 0,
+        '@typescript-eslint/no-explicit-any': 0,
+        '@typescript-eslint/explicit-function-return-type': 0,
+        '@typescript-eslint/no-var-requires': 0,
+        'prefer-rest-params': 'off',
+      },
+    },
+  ],
 };

.gitattributes

@@ -0,0 +1 @@
+lib/** linguist-generated

.github/workflows/main.yml

@@ -41,11 +41,21 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-yarn-
 
-      - name: Node check
-        run: find . -name "*.js" -type f -not -path "./node_modules/*" -not -path "./\.*" -exec node --check {} \;
+      - name: Build Typescript
+        run: yarn && yarn build
+
+      - name: Check for changes
+        run: |
+          if [[ `git status --porcelain` ]]; then
+            git diff
+            >&2 echo "Changes detected after compiling TypeScript. Please run yarn build and check in all compiled files in lib/."
+            exit 1
+          else
+            exit 0
+          fi
 
       - name: Lint
-        run: yarn && yarn lint
+        run: yarn lint
 
   test:
     name: Test (${{ matrix.node }})

.gitignore

@@ -4,3 +4,5 @@ tags
 .nyc_output
 coverage
 .idea
+testProjects/**/node_modules
+testProjects/**/package-lock.json