Merge pull request #34 from piercefreeman/feature/package-esm-and-common

Bundle CommonJS and ESM in one module. Also update the docs for the new module export format.

Alongside these packaging changes, increase unit test coverage and add additional tests for race conditions that appear in live concurrency settings.

.github/workflows/groove.yml

@@ -202,3 +202,7 @@ jobs:
       - name: Run test
         run:
           docker run ${{ env.IMAGE }}:groove-${{ github.sha }} test-go
+
+      - name: Run race condition tests
+        run:
+          docker run ${{ env.IMAGE }}:groove-${{ github.sha }} race-go

groove/groove-node/README.md

@@ -22,9 +22,7 @@ npx @piercefreeman/groove install-ca
 ```
 
 ```javascript
-import { Grove } from '@piercefreeman/groove'
-import { TapeSession } from '@piercefreeman/groove/tape'
-import { fetchWithProxy } from '@piercefreeman/groove/utilities'
+import { Grove, TapeSession, fetchWithProxy } from '@piercefreeman/groove'
 
 const main = async () => {
     const proxy = new Groove(

groove/groove-node/esbuild-hook.js

@@ -0,0 +1,51 @@
+const Module = require("module");
+const { transformSync } = require("esbuild");
+const sourceMapSupport = require("source-map-support");
+
+const cache = {};
+
+function esbuildHook(code, filepath) {
+  const result = transformSync(code, {
+    target: "node16",
+    sourcemap: "both",
+    loader: "ts",
+    format: "cjs",
+    sourcefile: filepath,
+  });
+
+  cache[filepath] = {
+    url: filepath,
+    code: result.code,
+    map: result.map,
+  };
+
+  return result.code;
+}
+
+sourceMapSupport.install({
+  environment: "node",
+  retrieveFile(pathOrUrl) {
+    const file = cache[pathOrUrl];
+    if (file) {
+      return file.code;
+    } else {
+      return "";
+    }
+  },
+});
+
+const defaultLoader = Module._extensions[".js"];
+
+Module._extensions[".ts"] = function (mod, filename) {
+  if (filename.includes("node_modules")) {
+    return defaultLoader(mod, filename);
+  }
+
+  const defaultCompile = mod._compile;
+  mod._compile = function (code) {
+    mod._compile = defaultCompile;
+    return mod._compile(esbuildHook(code, filename), filename);
+  };
+
+  defaultLoader(mod, filename);
+};

groove/groove-node/jest.config.js

@@ -2,6 +2,6 @@
 module.exports = {
     transform: {'^.+\\.ts?$': 'ts-jest'},
     testEnvironment: 'node',
-    testRegex: '/tests/.*\\.(test|spec)?\\.(ts|tsx)$',
+    testRegex: '/__tests__/.*\\.(test|spec)?\\.(ts|tsx)$',
     moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node']
   };