chore: switch to pnpm

- remove yarn-specific .gitignore entries
- update volta node version to meet requirements from pnpm 7
- update npm scripts to run with pnpm
- add @types/babel__core type definitions
- update pull request template
- update CI Github Action to use pnpm

Author: mcmxcdev

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,8 +2,8 @@
 
 - [ ] It's really useful if your PR relates to an outstanding issue, so please reference it in your PR, or create an explanatory one for discussion. In many cases features are absent for a reason.
 - [ ] This message body should clearly illustrate what problems it solves. If there are related issues, remember to reference them.
-- [ ] Ideally, include a test that fails without this PR but passes with it. PRs will only be merged once they pass CI. (Remember to `npm run lint`!)
+- [ ] Ideally, include a test that fails without this PR but passes with it. PRs will only be merged once they pass CI. (Remember to run `pnpm lint`!)
 
 ### Tests
 
-- [ ] Run the tests with `npm test` or `yarn test`
+- [ ] Run the tests with `npm test` or `pnpm test`

.github/workflows/ci.yml

@@ -6,12 +6,16 @@ jobs:
   Lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 7
       - uses: actions/setup-node@v2
         with:
           node-version: 14
-      - uses: bahmutov/npm-install@v1
-      - run: 'npm run lint'
+          cache: 'pnpm'
+      - run: pnpm install
+      - run: pnpm lint
 
   Tests:
     runs-on: ${{ matrix.os }}
@@ -22,11 +26,15 @@ jobs:
 
     steps:
       - run: git config --global core.autocrlf false
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 7
       - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
-      - uses: bahmutov/npm-install@v1
-      - run: npm run test
+          cache: 'pnpm'
+      - run: pnpm install
+      - run: pnpm test
         env:
           CI: true

.gitignore

@@ -3,9 +3,4 @@ node_modules
 *.log
 coverage
 dist/
-.yarn/cache
-.yarn/unplugged
-.yarn/build-state.yml
-.pnp.*
-pnpm-lock.yaml
-.idea
+.idea

package.json

@@ -21,15 +21,15 @@
     "node": ">= 9.11.2"
   },
   "volta": {
-    "node": "14.18.2"
+    "node": "14.19.2"
   },
   "files": [
     "dist/"
   ],
   "scripts": {
     "prebuild": "node scripts.js rmrf ./dist",
     "build": "tsc --build tsconfig.build.json",
-    "dev": "npm run build -- -w",
+    "dev": "pnpm build -w",
     "test": "jest",
     "lint": "eslint --ext js,ts .",
     "format": "prettier --write \"**/*.{ts,js,json}\"",
@@ -38,7 +38,7 @@
     "patch": "npm version patch -m 'chore(release): %s'",
     "minor": "npm version minor -m 'chore(release): %s'",
     "major": "npm version major -m 'chore(release): %s'",
-    "prepublishOnly": "npm run test && npm run build"
+    "prepublishOnly": "pnpm test && pnpm build"
   },
   "jest": {
     "collectCoverage": true,
@@ -79,6 +79,7 @@
     "@commitlint/config-conventional": "^11.0.0",
     "@kiwi/eslint-config": "^1.18.1",
     "@kiwi/prettier-config": "^1.18.1",
+    "@types/babel__core": "^7.1.19",
     "@types/jest": "^27.0.2",
     "@types/node": "^14.0.11",
     "@types/node-sass": "^4.11.1",