chore(infra): use import type

biome.json

@@ -30,7 +30,11 @@
   "linter": {
     "enabled": true,
     "rules": {
-      "recommended": false
+      "recommended": false,
+      "style": {
+        "useImportType": "error",
+        "useExportType": "error"
+      }
     },
     "ignore": ["tests/**/*", "crates/**/*", "diff.bundle.js"]
   },
@@ -40,4 +44,4 @@
     "clientKind": "git",
     "useIgnoreFile": true
   }
-}
+}

package.json

@@ -25,7 +25,7 @@
     "format-ci:toml": "npx @taplo/cli format --check '.cargo/*.toml' './crates/**/Cargo.toml' './Cargo.toml'",
     "format:toml": "npx @taplo/cli format '.cargo/*.toml' './crates/**/Cargo.toml' './Cargo.toml'",
     "lint:js": "pnpm run lint-ci:js --write",
-    "lint-ci:js": "biome check",
+    "lint-ci:js": "biome check --diagnostic-level=warn",
     "lint:rs": "node ./scripts/check_rust_dependency.cjs",
     "build:binding:debug": "pnpm --filter @rspack/binding run build:debug",
     "build:binding:release": "pnpm --filter @rspack/binding run build:release",

packages/create-rspack/template-vue-ts/src/shims-vue.d.ts

@@ -1,5 +1,5 @@
 declare module "*.vue" {
-	import { DefineComponent } from "vue";
+	import type { DefineComponent } from "vue";
 	const component: DefineComponent<{}, {}, any>;
 	export default component;
 }

packages/playground/fixtures/fileAction.ts

@@ -1,6 +1,6 @@
 import path from "path";
 import fs from "fs-extra";
-import { Fixtures } from "@playwright/test";
+import type { Fixtures } from "@playwright/test";
 import type { RspackFixtures } from "./rspack";
 
 type FileAction = {

packages/playground/fixtures/index.ts

@@ -1,6 +1,6 @@
 import { test as base, expect } from "@playwright/test";
 import { pathInfoFixtures } from "./pathInfo";
-import { rspackFixtures, RspackOptions } from "./rspack";
+import { rspackFixtures, type RspackOptions } from "./rspack";
 import { fileActionFixtures } from "./fileAction";
 
 const test = base

packages/playground/fixtures/pathInfo.ts

@@ -1,6 +1,6 @@
 import path from "path";
 import fs from "fs-extra";
-import { Fixtures } from "@playwright/test";
+import type { Fixtures } from "@playwright/test";
 
 type PathInfo = {
 	testFile: string;

packages/playground/fixtures/rspack.ts

@@ -1,6 +1,6 @@
 import path from "path";
-import { Fixtures, PlaywrightTestArgs } from "@playwright/test";
-import { Compiler, Configuration, rspack } from "@rspack/core";
+import type { Fixtures, PlaywrightTestArgs } from "@playwright/test";
+import { type Compiler, type Configuration, rspack } from "@rspack/core";
 import { RspackDevServer } from "@rspack/dev-server";
 import WebpackDevServer from "webpack-dev-server";
 import type { PathInfoFixtures } from "./pathInfo";

packages/rspack-cli/src/cli.ts

@@ -2,12 +2,12 @@ import path from "path";
 import util from "util";
 import type { RspackPluginFunction, RspackPluginInstance } from "@rspack/core";
 import {
-	Compiler,
-	MultiCompiler,
-	MultiRspackOptions,
-	MultiStats,
-	RspackOptions,
-	Stats,
+	type Compiler,
+	type MultiCompiler,
+	type MultiRspackOptions,
+	type MultiStats,
+	type RspackOptions,
+	type Stats,
 	rspack
 } from "@rspack/core";
 import * as rspackCore from "@rspack/core";
@@ -18,14 +18,14 @@ import { hideBin } from "yargs/helpers";
 import { BuildCommand } from "./commands/build";
 import { PreviewCommand } from "./commands/preview";
 import { ServeCommand } from "./commands/serve";
-import {
+import type {
 	RspackBuildCLIOptions,
 	RspackCLIColors,
 	RspackCLILogger,
 	RspackCLIOptions
 } from "./types";
 import findConfig from "./utils/findConfig";
-import { LoadedRspackConfig, loadRspackConfig } from "./utils/loadConfig";
+import { type LoadedRspackConfig, loadRspackConfig } from "./utils/loadConfig";
 import { normalizeEnv } from "./utils/options";
 
 type Command = "serve" | "build";

packages/rspack-cli/src/commands/build.ts

@@ -1,8 +1,8 @@
 import * as fs from "fs";
-import { MultiStats, Stats } from "@rspack/core";
+import type { MultiStats, Stats } from "@rspack/core";
 
 import type { RspackCLI } from "../cli";
-import { RspackCommand } from "../types";
+import type { RspackCommand } from "../types";
 import {
 	commonOptions,
 	ensureEnvObject,

packages/rspack-cli/src/commands/preview.ts

@@ -1,13 +1,13 @@
 import path from "path";
 import {
-	DevServer,
-	MultiRspackOptions,
-	RspackOptions,
+	type DevServer,
+	type MultiRspackOptions,
+	type RspackOptions,
 	rspack
 } from "@rspack/core";
 
 import type { RspackCLI } from "../cli";
-import { RspackCommand, RspackPreviewCLIOptions } from "../types";
+import type { RspackCommand, RspackPreviewCLIOptions } from "../types";
 import { previewOptions } from "../utils/options";
 
 const defaultRoot = "dist";

packages/rspack-cli/src/commands/serve.ts

@@ -1,8 +1,8 @@
-import { Compiler, DevServer } from "@rspack/core";
+import type { Compiler, DevServer } from "@rspack/core";
 import type { RspackDevServer as RspackDevServerType } from "@rspack/dev-server";
 
 import type { RspackCLI } from "../cli";
-import { RspackCommand } from "../types";
+import type { RspackCommand } from "../types";
 import {
 	commonOptions,
 	ensureEnvObject,

packages/rspack-cli/src/types.ts

@@ -1,7 +1,7 @@
 import type { DevServer } from "@rspack/core";
-import { Colorette } from "colorette";
+import type { Colorette } from "colorette";
 
-import { RspackCLI } from "./cli";
+import type { RspackCLI } from "./cli";
 export type { Configuration } from "@rspack/core";
 
 export interface IRspackCLI {

packages/rspack-cli/src/utils/loadConfig.ts

@@ -1,10 +1,10 @@
 import fs from "fs";
 import path from "path";
-import { MultiRspackOptions, RspackOptions } from "@rspack/core";
+import type { MultiRspackOptions, RspackOptions } from "@rspack/core";
 import interpret from "interpret";
 import rechoir from "rechoir";
 
-import { RspackCLIOptions } from "../types";
+import type { RspackCLIOptions } from "../types";
 import crossImport from "./crossImport";
 import findConfig from "./findConfig";
 import isEsmFile from "./isEsmFile";

packages/rspack-cli/src/utils/options.ts

@@ -1,4 +1,4 @@
-import yargs from "yargs";
+import type yargs from "yargs";
 export const commonOptions = (yargs: yargs.Argv) => {
 	return yargs
 		.options({

packages/rspack-cli/src/utils/profile.ts

@@ -34,7 +34,7 @@ The full syntax, remember update this when you change something in this file.
 import fs from "fs";
 import path from "path";
 import { URLSearchParams } from "url";
-import { type Compiler, RspackOptions, rspack } from "@rspack/core";
+import { type Compiler, type RspackOptions, rspack } from "@rspack/core";
 import inspector from "inspector";
 
 type JSCPUProfileOptionsOutput = string;

packages/rspack-dev-server/src/config.ts

@@ -1,5 +1,5 @@
 import type { DevServer } from "@rspack/core";
-import WebpackDevServer from "webpack-dev-server";
+import type WebpackDevServer from "webpack-dev-server";
 
 export type { DevServer };
 

packages/rspack-dev-server/src/middleware.ts

@@ -5,7 +5,7 @@ import { parse } from "url";
 import type { Compiler } from "@rspack/core";
 import type { RequestHandler, Response } from "express";
 import mime from "mime-types";
-import wdm from "webpack-dev-middleware";
+import type wdm from "webpack-dev-middleware";
 
 function etag(buf: any) {
 	const hash = crypto.createHash("sha256").update(buf).digest("hex");

packages/rspack-dev-server/src/server.ts

@@ -12,7 +12,7 @@ import path from "node:path";
 import fs from "fs";
 import type { Server } from "http";
 import type { Socket } from "net";
-import { Compiler, MultiCompiler } from "@rspack/core";
+import { type Compiler, MultiCompiler } from "@rspack/core";
 import type { FSWatcher } from "chokidar";
 import rdm from "webpack-dev-middleware";
 import WebpackDevServer from "webpack-dev-server";

packages/rspack-plugin-react-refresh/src/sockets/utils/getSocketUrlParts.ts

@@ -1,5 +1,5 @@
 import getCurrentScriptSource from "./getCurrentScriptSource";
-import { WDSMetaObj } from "./getWDSMetadata";
+import type { WDSMetaObj } from "./getWDSMetadata";
 export interface SocketUrlParts {
 	auth?: string;
 	hostname: string;

packages/rspack-test-tools/etc/api.md

@@ -8,25 +8,25 @@
 /// <reference types="jest" />
 /// <reference types="node" />
 
-import { Compiler } from '@rspack/core';
-import { Compiler as Compiler_2 } from 'webpack';
+import type { Compiler } from '@rspack/core';
+import type { Compiler as Compiler_2 } from 'webpack';
 import type { Configuration } from 'webpack';
-import EventEmitter from 'events';
+import type EventEmitter from 'events';
 import { IBasicGlobalContext as IBasicGlobalContext_2 } from '../type';
 import { IBasicGlobalContext as IBasicGlobalContext_3 } from '../../type';
 import { IBasicModuleScope as IBasicModuleScope_2 } from '../../type';
 import { ITestCompilerManager as ITestCompilerManager_2 } from '../type';
-import { RspackOptions } from '@rspack/core';
-import { RspackOptionsNormalized } from '@rspack/core';
-import { RspackPluginInstance } from '@rspack/core';
-import { Stats } from '@rspack/core';
+import type { RspackOptions } from '@rspack/core';
+import type { RspackOptionsNormalized } from '@rspack/core';
+import type { RspackPluginInstance } from '@rspack/core';
+import type { Stats } from '@rspack/core';
 import type { Stats as Stats_2 } from 'webpack';
-import { StatsCompilation } from '@rspack/core';
+import type { StatsCompilation } from '@rspack/core';
 import type { StatsCompilation as StatsCompilation_2 } from 'webpack';
-import { StatsError } from '@rspack/core';
-import { StatsWarnings } from '@rspack/core';
+import type { StatsError } from '@rspack/core';
+import type { StatsWarnings } from '@rspack/core';
 import { TRunnerRequirer as TRunnerRequirer_2 } from '..';
-import { WebpackOptionsNormalized } from 'webpack';
+import type { WebpackOptionsNormalized } from 'webpack';
 
 // @public (undocumented)
 export class BasicProcessor<T extends ECompilerType> implements ITestProcessor {

packages/rspack-test-tools/jest.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="jest" />
 
-import { DiffOptions } from "jest-diff";
+import type { DiffOptions } from "jest-diff";
 
 declare interface FileMatcherOptions {
 	diff?: DiffOptions;

packages/rspack-test-tools/src/case/builtin.ts

@@ -1,6 +1,6 @@
 import path from "path";
 
-import { BuiltinProcessor, IBuiltinProcessorOptions } from "../processor";
+import { BuiltinProcessor, type IBuiltinProcessorOptions } from "../processor";
 import { BasicCaseCreator } from "../test/creator";
 import { ECompilerType } from "../type";
 

packages/rspack-test-tools/src/case/compiler.ts

@@ -1,4 +1,7 @@
-import { ISimpleProcessorOptions, SimpleTaskProcessor } from "../processor";
+import {
+	type ISimpleProcessorOptions,
+	SimpleTaskProcessor
+} from "../processor";
 import { getSimpleProcessorRunner } from "../test/simple";
 import { ECompilerType } from "../type";
 

packages/rspack-test-tools/src/case/config.ts

@@ -1,7 +1,7 @@
 import { ConfigProcessor } from "../processor/config";
 import { MultipleRunnerFactory } from "../runner";
 import { BasicCaseCreator } from "../test/creator";
-import { ECompilerType, TTestConfig } from "../type";
+import { ECompilerType, type TTestConfig } from "../type";
 
 export type TConfigCaseConfig = Omit<
 	TTestConfig<ECompilerType.Rspack>,

packages/rspack-test-tools/src/case/defaults.ts

@@ -2,10 +2,10 @@ import path from "path";
 
 import {
 	DefaultsConfigProcessor,
-	IDefaultsConfigProcessorOptions
+	type IDefaultsConfigProcessorOptions
 } from "../processor";
 import { TestContext } from "../test/context";
-import { ECompilerType, ITestProcessor } from "../type";
+import { ECompilerType, type ITestProcessor } from "../type";
 
 export type TDefaultsCaseConfig = Omit<
 	IDefaultsConfigProcessorOptions<ECompilerType.Rspack>,

packages/rspack-test-tools/src/case/diff.ts

@@ -3,9 +3,9 @@ import fs from "fs-extra";
 import rimraf from "rimraf";
 
 import createLazyTestEnv from "../helper/legacy/createLazyTestEnv";
-import { DiffProcessor, IDiffProcessorOptions } from "../processor";
+import { DiffProcessor, type IDiffProcessorOptions } from "../processor";
 import { Tester } from "../test/tester";
-import { ECompareResultType, TModuleCompareResult } from "../type";
+import { ECompareResultType, type TModuleCompareResult } from "../type";
 
 export type TDiffCaseConfig = IDiffProcessorOptions;
 

packages/rspack-test-tools/src/case/error.ts

@@ -1,4 +1,4 @@
-import { ErrorProcessor, IErrorProcessorOptions } from "../processor";
+import { ErrorProcessor, type IErrorProcessorOptions } from "../processor";
 import { getSimpleProcessorRunner } from "../test/simple";
 import { ECompilerType } from "../type";
 

packages/rspack-test-tools/src/case/hash.ts

@@ -1,6 +1,6 @@
 import { HashProcessor } from "../processor";
 import { BasicCaseCreator } from "../test/creator";
-import { ECompilerType, ITester, TTestConfig } from "../type";
+import { ECompilerType, type ITester, type TTestConfig } from "../type";
 
 export type THashCaseConfig = Pick<
 	TTestConfig<ECompilerType.Rspack>,

packages/rspack-test-tools/src/case/hook.ts

@@ -4,7 +4,7 @@ import createLazyTestEnv from "../helper/legacy/createLazyTestEnv";
 import {
 	HookCasesContext,
 	HookTaskProcessor,
-	IHookProcessorOptions
+	type IHookProcessorOptions
 } from "../processor";
 import { BasicRunnerFactory } from "../runner";
 import { getSimpleProcessorRunner } from "../test/simple";

packages/rspack-test-tools/src/case/hot-step.ts

@@ -1,7 +1,7 @@
 import { HotSnapshotProcessor } from "../processor/hot-step";
 import { HotStepRunnerFactory } from "../runner";
 import { BasicCaseCreator } from "../test/creator";
-import { ECompilerType, TCompilerOptions } from "../type";
+import { ECompilerType, type TCompilerOptions } from "../type";
 
 type TTarget = TCompilerOptions<ECompilerType.Rspack>["target"];
 

packages/rspack-test-tools/src/case/hot.ts

@@ -1,7 +1,7 @@
 import { HotProcessor } from "../processor/hot";
 import { HotRunnerFactory } from "../runner";
 import { BasicCaseCreator } from "../test/creator";
-import { ECompilerType, TCompilerOptions } from "../type";
+import { ECompilerType, type TCompilerOptions } from "../type";
 
 type TTarget = TCompilerOptions<ECompilerType.Rspack>["target"];
 

packages/rspack-test-tools/src/case/stats-api.ts

@@ -1,4 +1,7 @@
-import { IStatsAPIProcessorOptions, StatsAPIProcessor } from "../processor";
+import {
+	type IStatsAPIProcessorOptions,
+	StatsAPIProcessor
+} from "../processor";
 import { getSimpleProcessorRunner } from "../test/simple";
 import { ECompilerType } from "../type";
 

packages/rspack-test-tools/src/compare/comparator.ts

@@ -1,9 +1,9 @@
 import path from "path";
 import deepmerge from "deepmerge";
 
-import { ITestReporter, TCompareModules } from "../type";
+import type { ITestReporter, TCompareModules } from "../type";
 import { compareFile } from "./compare";
-import { IFormatCodeOptions } from "./format-code";
+import type { IFormatCodeOptions } from "./format-code";
 import { replaceRuntimeModuleName } from "./replace-runtime-module-name";
 
 export interface IDiffComparatorOptions {

packages/rspack-test-tools/src/compare/compare.ts

@@ -4,12 +4,12 @@ import { diffLinesRaw, diffStringsUnified } from "jest-diff";
 import { parseModules } from "../helper";
 import {
 	ECompareResultType,
-	TCompareModules,
-	TCompareResult,
-	TFileCompareResult,
-	TModuleCompareResult
+	type TCompareModules,
+	type TCompareResult,
+	type TFileCompareResult,
+	type TModuleCompareResult
 } from "../type";
-import { IFormatCodeOptions, formatCode } from "./format-code";
+import { type IFormatCodeOptions, formatCode } from "./format-code";
 import { replaceRuntimeModuleName } from "./replace-runtime-module-name";
 
 export interface ICompareOptions {