feat: support custom reporters

borp.js

@@ -90,9 +90,7 @@ try {
 
   const reporters = {
     ...Reporters,
-    gh: githubReporter,
-    /* eslint new-cap: "off" */
-    spec: new Reporters.spec()
+    gh: githubReporter
   }
 
   // If we're running in a GitHub action, adds the gh reporter
@@ -103,10 +101,8 @@ try {
 
   for (const input of args.values.reporter) {
     const [name, dest] = input.split(':')
-    const reporter = reporters[name]
-    if (!reporter) {
-      throw new Error(`Unknown reporter: ${name}`)
-    }
+    const Ctor = reporters[name] || await import(name).then((m) => m.default || m)
+    const reporter = Object.getOwnPropertyDescriptor(Ctor.prototype, 'constructor') ? new Ctor() : Ctor
     let output = process.stdout
     if (dest) {
       output = createWriteStream(dest)

package.json

@@ -22,6 +22,7 @@
   "license": "MIT",
   "devDependencies": {
     "@matteo.collina/tspl": "^0.1.0",
+    "@reporters/silent": "^1.2.4",
     "@types/node": "^20.10.0",
     "desm": "^1.3.0",
     "snazzy": "^9.0.0",

test/cli.test.js

@@ -60,3 +60,18 @@ test('disable ts and run no tests', async () => {
 
   strictEqual(stdout.indexOf('tests 0') >= 0, true)
 })
+
+test('reporter from node_modules', async () => {
+  const cwd = join(import.meta.url, '..', 'fixtures', 'ts-esm2')
+  await rm(path.join(cwd, 'dist'), { recursive: true, force: true })
+  const { stdout } = await execa('node', [
+    borp,
+    '--reporter=spec',
+    '--reporter=@reporters/silent',
+    '--no-typescript'
+  ], {
+    cwd
+  })
+
+  strictEqual(stdout.indexOf('tests 0') >= 0, true)
+})