Add support for transpiling ESM code (and convert this repo itself to…

… ESM)

.eslintrc.cjs

@@ -0,0 +1,48 @@
+module.exports = {
+  extends: "@gadgetinc/eslint-config",
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ["./tsconfig.test.json"],
+  },
+  ignorePatterns: [".eslintrc.cjs", "spec/fixtures/**/*"],
+  rules: {
+    "lodash/import-scope": "off",
+    // Disable all Jest-related ESLint rules
+    "jest/no-alias-methods": "off",
+    "jest/no-commented-out-tests": "off",
+    "jest/no-conditional-expect": "off",
+    "jest/no-deprecated-functions": "off",
+    "jest/no-disabled-tests": "off",
+    "jest/no-done-callback": "off",
+    "jest/no-duplicate-hooks": "off",
+    "jest/no-export": "off",
+    "jest/no-focused-tests": "off",
+    "jest/no-hooks": "off",
+    "jest/no-identical-title": "off",
+    "jest/no-if": "off",
+    "jest/no-interpolation-in-snapshots": "off",
+    "jest/no-jasmine-globals": "off",
+    "jest/no-jest-import": "off",
+    "jest/no-large-snapshots": "off",
+    "jest/no-mocks-import": "off",
+    "jest/no-restricted-matchers": "off",
+    "jest/no-standalone-expect": "off",
+    "jest/no-test-prefixes": "off",
+    "jest/no-test-return-statement": "off",
+    "jest/prefer-called-with": "off",
+    "jest/prefer-expect-assertions": "off",
+    "jest/prefer-hooks-on-top": "off",
+    "jest/prefer-spy-on": "off",
+    "jest/prefer-strict-equal": "off",
+    "jest/prefer-to-be": "off",
+    "jest/prefer-to-contain": "off",
+    "jest/prefer-to-have-length": "off",
+    "jest/prefer-todo": "off",
+    "jest/require-to-throw-message": "off",
+    "jest/require-top-level-describe": "off",
+    "jest/valid-describe-callback": "off",
+    "jest/valid-expect": "off",
+    "jest/valid-expect-in-promise": "off",
+    "jest/valid-title": "off"
+  },
+};

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: ./.github/actions/setup-test-env
       - run: pnpm build
       - run: integration-test/test.sh
-      - run: pnpm jest
+      - run: pnpm test
 
   lint:
     runs-on: ubuntu-latest

flake.nix

@@ -21,7 +21,7 @@
           packages =
             rec {
               bash = pkgs.bash;
-              nodejs = pkgs.nodejs_20;
+              nodejs = pkgs.nodejs_22;
               corepack = pkgs.corepack;
             };
 

gitpkg.config.js

@@ -1,6 +1,6 @@
-const { execSync } = require('child_process')
+import { execSync } from "child_process";
 
-module.exports = () => ({
+export default () => ({
   getTagName: (pkg) =>
     `${pkg.name}-v${pkg.version}-gitpkg-${execSync(
       'git rev-parse --short HEAD',

integration-test/esm-js-from-ts/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "esm-js-from-ts",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "license": "ISC"
+}

integration-test/esm-js-from-ts/run.ts

@@ -0,0 +1,3 @@
+import { utility } from "./utils.js";
+
+console.log(utility("It worked!"));

integration-test/esm-js-from-ts/utils.js

@@ -0,0 +1 @@
+export const utility = (str) => str.toUpperCase();

integration-test/esm-ts-from-js/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "esm-ts-from-js",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "license": "ISC"
+}

integration-test/esm-ts-from-js/run.js

@@ -0,0 +1,3 @@
+import { utility } from "./utils.js";
+
+console.log(utility("It worked!"));

integration-test/esm-ts-from-js/test.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+set -ex
+
+$DIR/../../pkg/wds.bin.js $@ $DIR/run.js | grep "IT WORKED"

integration-test/esm-ts-from-ts/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "simple-esm",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "license": "ISC"
+}

integration-test/esm-ts-from-ts/run.ts

@@ -0,0 +1,3 @@
+import { utility } from "./utils.js";
+
+console.log(utility("It worked!"));

integration-test/esm-ts-from-ts/test.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+set -ex
+
+$DIR/../../pkg/wds.bin.js $@ $DIR/run.ts | grep "IT WORKED"

integration-test/esm-ts-from-ts/utils.ts

@@ -0,0 +1 @@
+export const utility = (str: string) => str.toUpperCase();

integration-test/simple/package.json → integration-test/simple-cjs/package.json

@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "type": "commonjs",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },

integration-test/simple-cjs/test.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+set -ex
+
+$DIR/../../pkg/wds.bin.js $@ $DIR/run.ts | grep "IT WORKED"

integration-test/simple-cjs/utils.ts

@@ -0,0 +1 @@
+export const utility = (str: string) => str.toUpperCase();

integration-test/sourcemap/package.json

@@ -3,5 +3,6 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "type": "commonjs",
   "license": "ISC"
 }

integration-test/test.sh

@@ -3,8 +3,23 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 echo $DIR
 set -e
 
-echo "::group::Simple test ${args}"
-$DIR/simple/test.sh $args
+echo "::group::Simple CJS test ${args}"
+$DIR/simple-cjs/test.sh $args
+echo "::endgroup::"
+echo
+
+echo "::group::ESM TS from TS import test ${args}"
+$DIR/esm-ts-from-ts/test.sh $args
+echo "::endgroup::"
+echo
+
+echo "::group::ESM JS from TS import test ${args}"
+$DIR/esm-js-from-ts/test.sh $args
+echo "::endgroup::"
+echo
+
+echo "::group::ESM TS from JS import test ${args}"
+$DIR/esm-ts-from-js/test.sh $args
 echo "::endgroup::"
 echo
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wds",
-  "version": "0.20.0",
+  "version": "0.21.0",
   "author": "Harry Brundage",
   "license": "MIT",
   "bin": {
@@ -14,6 +14,7 @@
     "access": "public"
   },
   "types": "pkg/index.d.ts",
+  "type": "module",
   "main": "pkg/index.js",
   "files": [
     "pkg/*",
@@ -31,7 +32,8 @@
     "lint:eslint": "NODE_OPTIONS=\"--max-old-space-size=4096\" eslint --quiet --ext ts,tsx src",
     "lint:fix": "NODE_OPTIONS=\"--max-old-space-size=4096\" prettier --write --check \"src/**/*.{js,ts,tsx}\" && eslint --ext ts,tsx --fix src",
     "prerelease": "gitpkg publish",
-    "test": "jest"
+    "test": "vitest run",
+    "test:watch": "vitest"
   },
   "engines": {
     "node": ">=16.0.0"
@@ -42,31 +44,29 @@
     "chokidar": "^3.5.3",
     "find-root": "^1.1.0",
     "find-yarn-workspace-root": "^2.0.0",
+    "fs-extra": "^11.2.0",
     "globby": "^11.1.0",
-    "graceful-fs": "^4.2.11",
     "lodash": "^4.17.20",
+    "oxc-resolver": "^1.12.0",
     "pkg-dir": "^5.0.0",
     "write-file-atomic": "^6.0.0",
     "yargs": "^16.2.0"
   },
   "devDependencies": {
     "@gadgetinc/eslint-config": "^0.6.1",
     "@gadgetinc/prettier-config": "^0.4.0",
-    "@swc/jest": "^0.2.36",
     "@types/find-root": "^1.1.2",
-    "@types/graceful-fs": "^4.1.9",
-    "@types/jest": "^27.4.0",
+    "@types/fs-extra": "^11.0.4",
     "@types/lodash": "^4.14.194",
-    "@types/node": "^18.11.9",
+    "@types/node": "^22.7.4",
     "@types/write-file-atomic": "^4.0.3",
     "@types/yargs": "^15.0.14",
-    "eslint": "^8.40.0",
-    "eslint-plugin-jest": "^27.2.1",
-    "gitpkg": "^1.0.0-beta.2",
-    "jest": "^27.4.7",
+    "eslint": "^8.57.1",
+    "gitpkg": "github:airhorns/gitpkg#gitpkg-v1.0.0-beta.4-gitpkg-82083c3",
     "prettier": "^2.8.8",
-    "typescript": "^5.1.3",
+    "typescript": "^5.6.2",
+    "vitest": "^2.1.1",
     "zx": "^7.2.3"
   },
-  "packageManager": "pnpm@8.12.1+sha256.28ca61ece5a496148b73fabc9afb820f9c3fec4f55f04ce45a2cea0a5219f2e1"
+  "packageManager": "pnpm@9.11.0+sha512.0a203ffaed5a3f63242cd064c8fb5892366c103e328079318f78062f24ea8c9d50bc6a47aa3567cabefd824d170e78fa2745ed1f16b132e16436146b7688f19b"
 }