build(types): ENG-04 add strict projects and legacy compiler checks

refactor/scripts/types.test.mjs

@@ -0,0 +1,37 @@
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+import path from 'node:path'
+import test from 'node:test'
+import ts from 'typescript'
+import compat from 'typescript-compat'
+import { checkConsumer, checkProject } from '../../scripts/typecheck.mjs'
+import { refactorDir } from './releases.mjs'
+
+test('Current and compatibility compilers reject invalid old public calls and unused error assertions', () => {
+  const original = fs.readFileSync(path.join(refactorDir, '../test/types/public.ts'), 'utf8')
+  for (const compiler of [ts, compat]) {
+    assert.deepEqual(checkConsumer(compiler, 'node10-commonjs'), [])
+    const invalid = "import Artplayer from 'artplayer'; new Artplayer({ container: '#player', url: 42 });"
+    assert(checkConsumer(compiler, 'node10-commonjs', invalid).some(d => d.code === 2322))
+    const unused = original.replace('url: 42', "url: 'valid.mp4'")
+    assert(checkConsumer(compiler, 'node10-commonjs', unused).some(d => d.code === 2578))
+  }
+})
+
+test('Browser implementation configuration catches source errors without emitting JavaScript', () => {
+  const parent = path.join(refactorDir, '.cache')
+  fs.mkdirSync(parent, { recursive: true })
+  const directory = fs.mkdtempSync(path.join(parent, 'types-check-'))
+  try {
+    const config = path.join(directory, 'tsconfig.json')
+    fs.writeFileSync(config, JSON.stringify({ extends: path.join(refactorDir, '../tsconfig.base.json'), include: ['source.ts'] }))
+    fs.writeFileSync(path.join(directory, 'source.ts'), 'export const title: string = 42;\n')
+    assert.deepEqual(checkProject(config).diagnostics.map(d => d.code), [2322])
+    assert(!fs.existsSync(path.join(directory, 'source.js')))
+  }
+  finally {
+    const relative = path.relative(parent, directory)
+    assert(relative.startsWith('types-check-') && !relative.includes(path.sep))
+    fs.rmSync(directory, { recursive: true, force: true })
+  }
+})