feat(types): use terser types from terser package (#20274)

Author: sapphi-red

eslint.config.js

@@ -100,6 +100,7 @@ export default tseslint.config(
  'less',
  'sass',
  'sass-embedded',
+ 'terser',
  'lightningcss',
  'vitest',
  'unbuild',

packages/vite/src/node/index.ts

@@ -252,7 +252,7 @@ export type { Connect } from 'dep-types/connect'
 export type { WebSocket, WebSocketAlias } from 'dep-types/ws'
 export type { HttpProxy } from 'dep-types/http-proxy'
 export type { FSWatcher, WatchOptions } from 'dep-types/chokidar'
-export type { Terser } from 'dep-types/terser'
+export type { Terser } from 'types/internal/terserOptions'
 export type { RollupCommonJSOptions } from 'dep-types/commonjs'
 export type { RollupDynamicImportVarsOptions } from 'dep-types/dynamicImportVars'
 export type { Matcher, AnymatchPattern, AnymatchFn } from 'dep-types/anymatch'

packages/vite/src/node/plugins/terser.ts

@@ -1,10 +1,13 @@
-import type { Terser } from 'dep-types/terser'
+import type {
+ TerserMinifyOptions,
+ TerserMinifyOutput,
+} from 'types/internal/terserOptions'
 import { WorkerWithFallback } from 'artichokie'
 import type { Plugin } from '../plugin'
 import type { ResolvedConfig } from '..'
 import { requireResolveFromRootWithFallback } from '../utils'
 
-export interface TerserOptions extends Terser.MinifyOptions {
+export interface TerserOptions extends TerserMinifyOptions {
  /**
  * Vite-specific option to specify the max number of workers to spawn
  * when minifying files with terser.
@@ -42,12 +45,12 @@ export function terserPlugin(config: ResolvedConfig): Plugin {
  async (
  terserPath: string,
  code: string,
- options: Terser.MinifyOptions,
+ options: TerserMinifyOptions,
  ) => {
  // test fails when using `import`. maybe related: https://github.com/nodejs/node/issues/43205
  // eslint-disable-next-line no-restricted-globals -- this function runs inside cjs
  const terser = require(terserPath)
- return terser.minify(code, options) as Terser.MinifyOutput
+ return terser.minify(code, options) as TerserMinifyOutput
  },
  {
  shouldUseFake(_terserPath, _code, options) {

packages/vite/src/types/terser.d.ts

@@ -0,0 +1,11 @@
+/* eslint-disable @typescript-eslint/ban-ts-comment */
+
+// @ts-ignore `terser` may not be installed
+export type * as Terser from 'terser'
+// @ts-ignore `terser` may not be installed
+import type * as Terser from 'terser'
+
+/* eslint-enable @typescript-eslint/ban-ts-comment */
+
+export type TerserMinifyOptions = Terser.MinifyOptions
+export type TerserMinifyOutput = Terser.MinifyOutput