replace package.json scripts with just.

.github/workflows/npm-publish.yml

@@ -12,9 +12,9 @@ jobs:
       - uses: actions/setup-node@v3
         with:
           node-version: 18
-      - run: yarn --ignore-engines
-      - run: node build.js
-      - run: yarn test
+      - uses: extractions/setup-just@v1
+      - run: just install-and-build
+      - run: just test
       - uses: JS-DevTools/npm-publish@v1
         with:
           token: ${{ secrets.NPM_TOKEN }}

.github/workflows/test.yml

@@ -11,6 +11,6 @@ jobs:
       - uses: actions/setup-node@v3
         with:
           node-version: 18
-      - run: yarn --ignore-engines
-      - run: node build.js
-      - run: yarn test
+      - uses: extractions/setup-just@v1
+      - run: just install-and-build
+      - run: just test

justfile

@@ -0,0 +1,19 @@
+export PATH := "./node_modules/.bin:" + env_var('PATH')
+
+install-dependencies:
+    yarn --ignore-engines
+
+deps-installed := `ls node_modules`
+
+install-and-build:
+    if deps-installed != "node_modules" { install-dependencies }
+    build
+
+build:
+    node build.js
+
+test: build
+    jest
+
+testOnly file: build
+    jest {{file}}

package.json

@@ -38,10 +38,5 @@
     "tsd": "^0.22.0",
     "typescript": "^4.9.4",
     "websocket-polyfill": "^0.0.3"
-  },
-  "scripts": {
-    "build": "node build.js",
-    "pretest": "node build.js",
-    "test": "jest"
   }
 }