chore: add incremental Prettier tooling (#555)

tests/config/eslint-config.spec.ts

@@ -243,21 +243,23 @@ it.each(nodeOnlyGlobalNames)('拒绝浏览器 TypeScript 使用 Node 全局变
   expect(ruleIds).toContain(restrictedGlobalsRule)
 })
 
-it.each([
-  'example.config.mts',
-  'example.config.cts',
-  'scripts/example.mts',
-  'scripts/example.cts',
-])('使用 TypeScript parser 解析 %s', async filePath => {
-  const ruleIds = await lintRuleIds('const value: string = "x"; console.log(value)', filePath)
+it.each(['example.config.mts', 'example.config.cts', 'scripts/example.mts', 'scripts/example.cts'])(
+  '使用 TypeScript parser 解析 %s',
+  async filePath => {
+    const ruleIds = await lintRuleIds('const value: string = "x"; console.log(value)', filePath)
 
-  expect(ruleIds).not.toContain(null)
-})
+    expect(ruleIds).not.toContain(null)
+  },
+)
 
 it('忽略 Vite 生成的临时配置模块', async () => {
   await expect(eslint.isPathIgnored('vite.config.ts.timestamp-1784340502076-0129cef6d3bbd8.mjs')).resolves.toBe(true)
 })
 
+it('忽略 Vite PWA 开发构建产物', async () => {
+  await expect(eslint.isPathIgnored('dev-dist/registerSW.js')).resolves.toBe(true)
+})
+
 it('不忽略普通 MJS 源码', async () => {
   await expect(eslint.isPathIgnored('scripts/example.mjs')).resolves.toBe(false)
 })

tests/config/format-changed.spec.ts

@@ -0,0 +1,127 @@
+import { execFileSync, spawnSync } from 'node:child_process'
+import { mkdtempSync, mkdirSync, readFileSync, rmSync, symlinkSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { dirname, resolve } from 'node:path'
+import { afterEach, describe, expect, it } from 'vitest'
+
+const selectorScript = resolve(process.cwd(), 'scripts/format-changed.mjs')
+const temporaryRepositories: string[] = []
+
+function git(repository: string, ...args: string[]) {
+  return execFileSync('git', args, { cwd: repository, encoding: 'utf8' }).trim()
+}
+
+function write(repository: string, filePath: string, content: string) {
+  const absolutePath = resolve(repository, filePath)
+  mkdirSync(dirname(absolutePath), { recursive: true })
+  writeFileSync(absolutePath, content)
+}
+
+function createRepository() {
+  const repository = mkdtempSync(resolve(tmpdir(), 'moviepilot-format-changed-'))
+  temporaryRepositories.push(repository)
+  git(repository, 'init', '--initial-branch=v2')
+  git(repository, 'config', 'user.name', 'Format Test')
+  git(repository, 'config', 'user.email', 'format-test@example.invalid')
+  write(repository, '.gitignore', 'coverage/\n')
+  write(repository, '.prettierignore', 'generated/\n/vite.config.*.timestamp-*.mjs\n')
+  write(repository, 'src/modified.ts', "export const value = 'before'\n")
+  write(repository, 'src/rename old.ts', "export const renamed = 'before'\n")
+  write(repository, 'src/deleted.ts', 'export const deleted = true\n')
+  write(repository, 'coverage/tracked.ts', 'export const generated = true\n')
+  git(repository, 'add', '.')
+  git(repository, 'add', '--force', 'coverage/tracked.ts')
+  git(repository, 'commit', '-m', 'base')
+
+  return repository
+}
+
+function listSelected(repository: string, ...args: string[]) {
+  const output = execFileSync(process.execPath, [selectorScript, '--list', ...args], {
+    cwd: repository,
+    encoding: 'utf8',
+  })
+
+  return JSON.parse(output) as string[]
+}
+
+afterEach(() => {
+  for (const repository of temporaryRepositories.splice(0)) {
+    rmSync(repository, { recursive: true, force: true })
+  }
+})
+
+describe('Prettier 变更文件选择器', () => {
+  it('按 base 与 head 选择受支持文件并排除删除、忽略和符号链接', () => {
+    const repository = createRepository()
+    git(repository, 'switch', '-c', 'feature')
+    write(repository, 'src/modified.ts', "export const value='after'\n")
+    git(repository, 'mv', 'src/rename old.ts', 'src/rename [new].ts')
+    git(repository, 'rm', 'src/deleted.ts')
+    write(repository, 'src/new file.vue', '<template><div>new</div></template>\n')
+    write(repository, 'src/line\nbreak.ts', 'export const lineBreak=true\n')
+    symlinkSync('modified.ts', resolve(repository, 'src/linked.ts'))
+    write(repository, 'generated/ignored.ts', 'export const ignored=true\n')
+    write(repository, 'coverage/tracked.ts', 'export const generated=false\n')
+    write(repository, 'notes.bin', 'not prettier source\n')
+    git(repository, 'add', '-A')
+    git(repository, 'commit', '-m', 'feature')
+
+    expect(listSelected(repository, '--base', 'v2', '--head', 'HEAD')).toEqual([
+      'src/line\nbreak.ts',
+      'src/modified.ts',
+      'src/new file.vue',
+      'src/rename [new].ts',
+    ])
+  })
+
+  it('本地模式合并分支、工作区和未跟踪文件，并排除删除、忽略和符号链接', () => {
+    const repository = createRepository()
+    git(repository, 'switch', '-c', 'feature')
+    write(repository, 'src/modified.ts', "export const value='working-tree'\n")
+    write(repository, 'src/untracked file.ts', 'export const untracked=true\n')
+    write(repository, 'scripts/feature.timestamp-parser.mjs', 'export const parser=true\n')
+    write(repository, 'vite.config.ts.timestamp-123-generated.mjs', 'export const temporary=true\n')
+    symlinkSync('modified.ts', resolve(repository, 'src/untracked-link.ts'))
+    write(repository, 'generated/untracked.ts', 'export const ignored=true\n')
+    git(repository, 'rm', 'src/deleted.ts')
+
+    expect(listSelected(repository)).toEqual([
+      'scripts/feature.timestamp-parser.mjs',
+      'src/modified.ts',
+      'src/untracked file.ts',
+    ])
+  })
+
+  it('没有受支持的变更文件时正常通过', () => {
+    const repository = createRepository()
+
+    expect(listSelected(repository, '--base', 'HEAD', '--head', 'HEAD')).toEqual([])
+    expect(
+      spawnSync(process.execPath, [selectorScript, '--check', '--base', 'HEAD', '--head', 'HEAD'], {
+        cwd: repository,
+      }).status,
+    ).toBe(0)
+  })
+
+  it('显式比较必须同时提供 base 与 head', () => {
+    const repository = createRepository()
+    const result = spawnSync(process.execPath, [selectorScript, '--check', '--base', 'HEAD'], {
+      cwd: repository,
+      encoding: 'utf8',
+    })
+
+    expect(result.status).toBe(1)
+    expect(result.stderr).toContain('--base 与 --head 必须一起使用。')
+  })
+
+  it('通过参数数组安全格式化特殊文件名', () => {
+    const repository = createRepository()
+    git(repository, 'switch', '-c', 'feature')
+    write(repository, '--special [file].ts', 'export const special=true\n')
+
+    execFileSync(process.execPath, [selectorScript, '--write'], { cwd: repository })
+
+    expect(readFileSync(resolve(repository, '--special [file].ts'), 'utf8')).toBe('export const special = true;\n')
+  })
+})