Switch from jest to node test runner

This lets us drop the jest dependency, and all the transformers and other
stuff that comes with it.  The tests run faster now and `npm install` raises
fewer security warnings.

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.14, 18, 20]
+        node-version: [18, 20]
 
     steps:
     - uses: actions/checkout@v4
@@ -24,4 +24,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
+    - run: |
+        echo "::remove-matcher owner=eslint-compact::"
+        echo "::remove-matcher owner=eslint-stylish::"
     - run: npm run test

.gitignore

@@ -1,11 +1,8 @@
+/coverage
+/node_modules
+/dist
+
 .DS_Store
-.coverage
-.esm-cache
 .vscode
-.watchmanconfig
-
-node_modules/
-dist/
-
 npm-debug.log
 package-lock.json

package.json

@@ -2,10 +2,7 @@
   "name": "@rapideditor/country-coder",
   "version": "5.3.0",
   "description": "Convert longitude-latitude pairs to ISO 3166-1 codes quickly and locally",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/rapideditor/country-coder.git"
-  },
+  "repository": "github:rapideditor/country-coder",
   "license": "ISC",
   "keywords": [
     "reverse geocoder",
@@ -34,64 +31,28 @@
   },
   "devDependencies": {
     "@mapbox/geojson-rewind": "^0.5.2",
-    "@types/jest": "^29.5.12",
     "@types/node": "^22.0.2",
-    "esbuild": "^0.23.0",
-    "esbuild-jest": "~0.5.0",
-    "jest": "^29.7.0",
-    "jest-extended": "^4.0.2",
+    "c8": "^10.1.2",
+    "esbuild": "^0.23.1",
     "npm-run-all": "^4.1.5",
     "shx": "^0.3.4",
-    "typescript": "^5.5.3"
+    "typescript": "^5.6.2"
   },
   "scripts": {
     "all": "run-s clean build test",
     "clean": "shx rm -rf dist",
     "build": "run-s format-json build:**",
-    "build:browser": "esbuild ./src/country-coder.ts --platform=browser --format=iife --global-name=countryCoder --bundle --sourcemap --outfile=./dist/country-coder.iife.js",
-    "build:cjs": "esbuild ./src/country-coder.ts --platform=node --format=cjs --bundle --sourcemap --external:which-polygon --outfile=./dist/country-coder.cjs",
-    "build:mjs": "esbuild ./src/country-coder.ts --platform=neutral --format=esm --bundle --sourcemap --external:which-polygon --outfile=./dist/country-coder.mjs",
+    "build:browser": "esbuild ./src/country-coder.ts --log-override:package.json=silent --platform=browser --format=iife --global-name=countryCoder --bundle --sourcemap --outfile=./dist/country-coder.iife.js",
+    "build:cjs": "esbuild ./src/country-coder.ts --log-override:package.json=silent --platform=node --format=cjs --bundle --sourcemap --external:which-polygon --outfile=./dist/country-coder.cjs",
+    "build:mjs": "esbuild ./src/country-coder.ts --log-override:package.json=silent --platform=neutral --format=esm --bundle --sourcemap --external:which-polygon --outfile=./dist/country-coder.mjs",
     "build:types": "tsc",
     "format-json": "node ./scripts/format-json.js",
-    "test": "NODE_OPTIONS=--experimental-vm-modules npx jest --colors"
+    "test": "c8 node --test tests/*.js"
   },
   "publishConfig": {
     "access": "public"
   },
-  "jest": {
-    "collectCoverage": true,
-    "collectCoverageFrom": [
-      "**/src/*.(ts|js)"
-    ],
-    "coverageDirectory": "<rootDir>/.coverage",
-    "coverageProvider": "v8",
-    "extensionsToTreatAsEsm": [
-      ".ts"
-    ],
-    "moduleFileExtensions": [
-      "ts",
-      "js",
-      "json"
-    ],
-    "setupFilesAfterEnv": [
-      "jest-extended/all"
-    ],
-    "testEnvironment": "node",
-    "testMatch": [
-      "**/tests/*.spec.(ts|js)"
-    ],
-    "transform": {
-      "^.+\\.ts$": [
-        "esbuild-jest",
-        {
-          "format": "esm",
-          "sourcemap": "true"
-        }
-      ]
-    },
-    "verbose": true
-  },
   "engines": {
-    "node": ">=16.14.0"
+    "node": ">=18"
   }
 }