1 files changed, 78 insertions, 0 deletions

diff --git a/scripts/generate-types-package.ts b/scripts/generate-types-package.ts
new file mode 100644
index 000000000..3543fa472
--- /dev/null
+++ b/scripts/generate-types-package.ts
@@ -0,0 +1,78 @@
+import { copyFile, readJson, writeFile, writeJSON } from 'fs-extra'
+import { resolve } from 'path'
+import { cwd } from 'process'
+import { execSync } from 'child_process'
+import depcheck, { PackageDependencies } from 'depcheck'
+
+run()
+  .then(() => process.exit(0))
+  .catch(err => {
+    console.error(err)
+    process.exit(-1)
+  })
+
+async function run () {
+  execSync('npm run build:types', { stdio: 'inherit' })
+  const typesPath = resolve(cwd(), './types/')
+  const typesPackageJsonPath = resolve(typesPath, './package.json')
+  const typesGitIgnorePath = resolve(typesPath, './.gitignore')
+  const mainPackageJson = await readJson(resolve(cwd(), './package.json'))
+  const tsConfigPath = resolve(cwd(), './tsconfig.json')
+  const tsConfig = await readJson(tsConfigPath)
+  const clientPackageJson = await readJson(resolve(cwd(), './client/package.json'))
+
+  const allDependencies = Object.assign(
+    mainPackageJson.dependencies,
+    mainPackageJson.devDepencies,
+    clientPackageJson.dependencies
+  ) as PackageDependencies
+
+  // https://github.com/depcheck/depcheck#api
+  const depcheckOptions = {
+    parsers: { '**/*.ts': depcheck.parser.typescript },
+    detectors: [
+      depcheck.detector.requireCallExpression,
+      depcheck.detector.importDeclaration
+    ],
+    ignoreMatches: Object.keys(tsConfig?.compilerOptions?.paths || []),
+    package: { dependencies: allDependencies }
+  }
+
+  const { dependencies: unusedDependencies } = await depcheck(resolve(cwd(), './types/'), depcheckOptions)
+  console.log(`Removing ${Object.keys(unusedDependencies).length} unused dependencies.`)
+  const dependencies = Object
+    .keys(allDependencies)
+    .filter(dependencyName => !unusedDependencies.includes(dependencyName))
+    .reduce((dependencies, dependencyName) => {
+      dependencies[dependencyName] = allDependencies[dependencyName]
+      return dependencies
+    }, {})
+
+  const { description, version, licence, engines, author, repository } = mainPackageJson
+  const typesPackageJson = {
+    name: '@peertube/peertube-types',
+    description,
+    version,
+    private: false,
+    license: licence,
+    engines,
+    author,
+    repository,
+    dependencies
+  }
+  console.log(`Writing package.json to ${typesPackageJsonPath}`)
+  await writeJSON(typesPackageJsonPath, typesPackageJson, { spaces: 2 })
+
+  console.log(`Writing git ignore to ${typesGitIgnorePath}`)
+  await writeFile(typesGitIgnorePath, '*.tsbuildinfo')
+
+  console.log('Copying tsconfig files')
+  await copyFile(tsConfigPath, resolve(typesPath, './tsconfig.json'))
+  await copyFile(resolve(cwd(), './tsconfig.base.json'), resolve(typesPath, './tsconfig.base.json'))
+  tsConfig.references.map(({ path }) => path).forEach((path) => {
+    const src = resolve(cwd(), path, '/tsconfig.json')
+    const dest = resolve(typesPath, path, './tsconfig.json')
+    console.log(`${src} -> ${dest}`)
+    copyFile(src, dest).catch((e) => console.error(e))
+  })
+}