build(typescript): set up

set up typescript toolchain to target Node@18

fix #3

.eslintignore

@@ -0,0 +1,2 @@
+tests/**
+dist/**

.eslintrc.cjs

@@ -0,0 +1,18 @@
+module.exports = {
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    project: "tsconfig.json",
+    sourceType: "module",
+  },
+  plugins: ["@typescript-eslint/eslint-plugin"],
+  extends: [
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier",
+  ],
+  root: true,
+  env: {
+    node: true,
+    jest: true,
+  },
+};

.github/workflows/release.yml

@@ -26,6 +26,7 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: "lts/*"
+          cache: "npm"
       - name: Install dependencies
         run: npm clean-install
       - name: Verify the integrity of provenance attestations and registry signatures for installed dependencies

.github/workflows/test.yml

@@ -3,8 +3,24 @@ name: Test
 on: [pull_request]
 
 jobs:
+  deps-setup:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Fetch codebase
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: "18.x"
+          cache: "npm"
+      - name: Install dependencies
+        run: npm ci
+
   commitlint:
     runs-on: ubuntu-22.04
+    needs: deps-setup
     steps:
       - name: Fetch codebase
         uses: actions/checkout@v3
@@ -14,7 +30,26 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: "18.x"
+          cache: "npm"
       - name: Install dependencies
         run: npm ci
       - name: Validate PR commits with commitlint
         run: npx commitlint --from ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} --to ${{ github.event.pull_request.head.sha }} --verbose
+
+  test:
+    runs-on: ubuntu-22.04
+    needs: deps-setup
+    steps:
+      - name: Fetch codebase
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: "18.x"
+          cache: "npm"
+      - name: Install dependencies
+        run: npm ci
+      - name: Lint
+        run: npm run lint

lib/index.ts

@@ -0,0 +1 @@
+export const test = "i am a test";