chore(p2-shim): remove mocha

commitlint.config.mjs

@@ -22,7 +22,7 @@ const config = {
       ],
     ],
     "scope-enum": [1, "always", ["jco", "bindgen", "p2-shim"]],
-    "scope-case": [2, "always", "kebab-case"],
+    "scope-case": [2, "always", "lower-case"],
   },
 };
 

docs/src/contributing.md

@@ -1,10 +1,12 @@
 # Contributing to the Codebase
 
-Development is based on a standard `npm install && npm run build && npm run test` workflow.
+Development is based on a standard NodeJS workflow, i.e.:
 
-Tests can be run without bundling via `npm run build:dev && npm run test:dev`.
-
-Specific tests can be run adding the mocha `--grep` / `-g` flag, for example: `npm run test:dev -- --grep exports_only`.
+```console
+npm install
+npm run build
+npm run test
+```
 
 ## Prerequisites
 
@@ -49,7 +51,21 @@ npm run build
 ## Testing
 
 There are three test suites in jco:
+
 * `npm run test`: Project-level transpilation, CLI & API tests.
 * `npm run test --workspace packages/preview2-shim`: `preview2-shim` unit tests.
 * `test/browser.html`: Bare-minimum browser validation test.
 * `cargo test`: Wasmtime preview2 conformance tests (not currently passing).
+
+### Running tests without bundling
+
+Tests can be run without bundling via `npm run build:dev && npm run test:dev`.
+
+### Running specific tests
+
+JS tests are powered by [`vitest`][vitest], and a specific test suite can be run by passing
+the filename to `npm run test`:
+
+```console
+npm run test runtime.js
+```

packages/preview2-shim/package.json

@@ -23,15 +23,12 @@
     }
   },
   "scripts": {
-    "test": "node --expose-gc ../../node_modules/mocha/bin/mocha.js -u tdd test/test.js --timeout 30000"
+    "test": "vitest run -c test/vitest.ts"
   },
   "files": [
     "types",
     "lib"
   ],
-  "devDependencies": {
-    "mocha": "^10.2.0"
-  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/bytecodealliance/jco.git"

packages/preview2-shim/test/meta-resolve-stub.ts

@@ -0,0 +1,4 @@
+// see: https://github.com/vitest-dev/vitest/issues/6953#issuecomment-2505310022
+import { vi } from 'vitest';
+import { createRequire } from 'node:module';
+vi.stubGlobal('globalCreateRequire', createRequire);