chore: workspace level typecheck (#35329)

.github/workflows/style.yml

@@ -77,6 +77,8 @@ jobs:
         with:
           files: |
             web/**
+            e2e/**
+            sdks/nodejs-client/**
             packages/**
             package.json
             pnpm-lock.yaml
@@ -112,7 +114,7 @@ jobs:
 
       - name: Web type check
         if: steps.changed-files.outputs.any_changed == 'true'
-        working-directory: ./web
+        working-directory: .
         run: vp run type-check
 
       - name: Web dead code check

.vite-hooks/pre-commit

@@ -64,36 +64,8 @@ if $web_modified; then
 
     echo "Running ESLint on web module"
 
-    if git diff --cached --quiet -- 'web/**/*.ts' 'web/**/*.tsx'; then
-        web_ts_modified=false
-    else
-        ts_diff_status=$?
-        if [ $ts_diff_status -eq 1 ]; then
-            web_ts_modified=true
-        else
-            echo "Unable to determine staged TypeScript changes (git exit code: $ts_diff_status)."
-            exit $ts_diff_status
-        fi
-    fi
-
     cd ./web || exit 1
     vp staged
 
-    if $web_ts_modified; then
-        echo "Running TypeScript type-check:tsgo"
-        if ! npm run type-check:tsgo; then
-            echo "Type check failed. Please run 'npm run type-check:tsgo' to fix the errors."
-            exit 1
-        fi
-    else
-        echo "No staged TypeScript changes detected, skipping type-check:tsgo"
-    fi
-
-    echo "Running knip"
-    if ! npm run knip; then
-        echo "Knip check failed. Please run 'npm run knip' to fix the errors."
-        exit 1
-    fi
-
     cd ../
 fi

e2e/package.json

@@ -11,9 +11,11 @@
     "e2e:install": "playwright install --with-deps chromium",
     "e2e:middleware:down": "tsx ./scripts/setup.ts middleware-down",
     "e2e:middleware:up": "tsx ./scripts/setup.ts middleware-up",
-    "e2e:reset": "tsx ./scripts/setup.ts reset"
+    "e2e:reset": "tsx ./scripts/setup.ts reset",
+    "type-check": "tsc"
   },
   "devDependencies": {
+    "@dify/tsconfig": "workspace:*",
     "@cucumber/cucumber": "catalog:",
     "@playwright/test": "catalog:",
     "@types/node": "catalog:",

e2e/scripts/run-cucumber.ts

@@ -17,12 +17,10 @@ const parseArgs = (argv: string[]): RunOptions => {
   let headed = false
   const forwardArgs: string[] = []
 
-  for (let index = 0; index < argv.length; index += 1) {
+  for (const [index, arg] of argv.entries()) {
-    const arg = argv[index]
-
     if (arg === '--') {
       forwardArgs.push(...argv.slice(index + 1))
-      break
+      return { forwardArgs, full, headed }
     }
 
     if (arg === '--full') {
@@ -38,11 +36,7 @@ const parseArgs = (argv: string[]): RunOptions => {
     forwardArgs.push(arg)
   }
 
-  return {
+  return { forwardArgs, full, headed }
-    forwardArgs,
-    full,
-    headed,
-  }
 }
 
 const hasCustomTags = (forwardArgs: string[]) =>

e2e/tsconfig.json

@@ -1,16 +1,9 @@
 {
+  "extends": "@dify/tsconfig/node.json",
   "compilerOptions": {
-    "target": "ES2023",
     "lib": ["ES2023", "DOM"],
-    "module": "ESNext",
-    "moduleResolution": "Bundler",
     "allowJs": false,
-    "resolveJsonModule": true,
-    "noEmit": true,
-    "strict": true,
-    "skipLibCheck": true,
     "types": ["node", "@playwright/test", "@cucumber/cucumber"],
-    "isolatedModules": true,
     "verbatimModuleSyntax": true
   },
   "include": ["./**/*.ts"],

package.json

@@ -2,7 +2,8 @@
   "name": "dify",
   "private": true,
   "scripts": {
-    "prepare": "vp config"
+    "prepare": "vp config",
+    "type-check": "vp run -r type-check"
   },
   "devDependencies": {
     "vite": "catalog:",

packages/dify-ui/package.json

@@ -19,6 +19,11 @@
     "tailwind-merge": "catalog:"
   },
   "devDependencies": {
-    "tailwindcss": "catalog:"
+    "@dify/tsconfig": "workspace:*",
+    "tailwindcss": "catalog:",
+    "typescript": "catalog:"
+  },
+  "scripts": {
+    "type-check": "tsc"
   }
 }

packages/dify-ui/tsconfig.json

@@ -1,11 +1,7 @@
 {
+  "extends": "@dify/tsconfig/base.json",
   "compilerOptions": {
-    "target": "ES2022",
+    "noEmit": false,
-    "module": "ESNext",
-    "moduleResolution": "bundler",
-    "strict": true,
-    "esModuleInterop": true,
-    "skipLibCheck": true,
     "declaration": true,
     "declarationMap": true,
     "sourceMap": true,

packages/migrate-no-unchecked-indexed-access/package.json

@@ -7,12 +7,14 @@
     "migrate-no-unchecked-indexed-access": "./bin/migrate-no-unchecked-indexed-access.js"
   },
   "scripts": {
-    "build": "vp pack"
+    "build": "vp pack",
+    "type-check": "tsc"
   },
   "dependencies": {
     "typescript": "catalog:"
   },
   "devDependencies": {
+    "@dify/tsconfig": "workspace:*",
     "@types/node": "catalog:",
     "vite": "catalog:",
     "vite-plus": "catalog:"

packages/migrate-no-unchecked-indexed-access/src/cli.ts

@@ -34,7 +34,8 @@ let exitCode = 0
 
 try {
   await main()
-  exitCode = process.exitCode ?? 0
+  const currentExitCode = process.exitCode
+  exitCode = typeof currentExitCode === 'number' ? currentExitCode : 0
 }
 catch (error) {
   console.error(error instanceof Error ? error.message : error)

packages/migrate-no-unchecked-indexed-access/tsconfig.json

@@ -0,0 +1,3 @@
+{
+  "extends": "@dify/tsconfig/node.json"
+}

packages/tsconfig/base.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "target": "es2022",
+    "allowJs": true,
+    "resolveJsonModule": true,
+    "moduleDetection": "force",
+    "isolatedModules": true,
+    "verbatimModuleSyntax": true,
+
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    "module": "preserve",
+    "noEmit": true
+  }
+}

packages/tsconfig/nextjs.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./web.json",
+  "compilerOptions": {
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ]
+  }
+}

packages/tsconfig/node.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./base.json",
+  "compilerOptions": {
+    "lib": ["es2022"],
+    "types": ["node"]
+  }
+}

packages/tsconfig/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "@dify/tsconfig",
+  "version": "0.0.0-private",
+  "private": true,
+  "exports": {
+    "./base.json": "./base.json",
+    "./nextjs.json": "./nextjs.json",
+    "./node.json": "./node.json",
+    "./web.json": "./web.json"
+  }
+}

packages/tsconfig/web.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./base.json",
+  "compilerOptions": {
+    "jsx": "react-jsx",
+    "lib": ["es2022", "dom", "dom.iterable"]
+  }
+}

pnpm-lock.yaml

@@ -586,6 +586,9 @@ importers:
       '@cucumber/cucumber':
         specifier: 'catalog:'
         version: 12.8.0
+      '@dify/tsconfig':
+        specifier: workspace:*
+        version: link:../packages/tsconfig
       '@playwright/test':
         specifier: 'catalog:'
         version: 1.59.1
@@ -614,9 +617,15 @@ importers:
         specifier: 'catalog:'
         version: 3.5.0
     devDependencies:
+      '@dify/tsconfig':
+        specifier: workspace:*
+        version: link:../tsconfig
       tailwindcss:
         specifier: 'catalog:'
         version: 4.2.2
+      typescript:
+        specifier: 'catalog:'
+        version: 6.0.2
 
   packages/iconify-collections:
     devDependencies:
@@ -630,6 +639,9 @@ importers:
         specifier: 'catalog:'
         version: 6.0.2
     devDependencies:
+      '@dify/tsconfig':
+        specifier: workspace:*
+        version: link:../tsconfig
       '@types/node':
         specifier: 'catalog:'
         version: 25.6.0
@@ -640,8 +652,13 @@ importers:
         specifier: 'catalog:'
         version: 0.1.18(@types/node@25.6.0)(@vitest/coverage-v8@4.1.4)(@voidzero-dev/vite-plus-core@0.1.18(@types/node@25.6.0)(esbuild@0.27.2)(jiti@2.6.1)(sass@1.98.0)(terser@5.46.1)(tsx@4.21.0)(typescript@6.0.2)(yaml@2.8.3))(esbuild@0.27.2)(happy-dom@20.9.0)(jiti@2.6.1)(sass@1.98.0)(terser@5.46.1)(tsx@4.21.0)(typescript@6.0.2)(yaml@2.8.3)
 
+  packages/tsconfig: {}
+
   sdks/nodejs-client:
     devDependencies:
+      '@dify/tsconfig':
+        specifier: workspace:*
+        version: link:../../packages/tsconfig
       '@eslint/js':
         specifier: 'catalog:'
         version: 10.0.1(eslint@10.2.0(jiti@2.6.1))
@@ -991,6 +1008,9 @@ importers:
       '@dify/iconify-collections':
         specifier: workspace:*
         version: link:../packages/iconify-collections
+      '@dify/tsconfig':
+        specifier: workspace:*
+        version: link:../packages/tsconfig
       '@egoist/tailwindcss-icons':
         specifier: 'catalog:'
         version: 1.9.2(tailwindcss@4.2.2)

sdks/nodejs-client/package.json

@@ -48,13 +48,14 @@
     "build": "vp pack",
     "lint": "eslint",
     "lint:fix": "eslint --fix",
-    "type-check": "tsc -p tsconfig.json --noEmit",
+    "type-check": "tsc",
     "test": "vp test",
     "test:coverage": "vp test --coverage",
     "publish:check": "./scripts/publish.sh --dry-run",
     "publish:npm": "./scripts/publish.sh"
   },
   "devDependencies": {
+    "@dify/tsconfig": "workspace:*",
     "@eslint/js": "catalog:",
     "@types/node": "catalog:",
     "@typescript-eslint/eslint-plugin": "catalog:",

sdks/nodejs-client/src/http/sse.test.ts

@@ -14,8 +14,8 @@ describe("sse parsing", () => {
       events.push(event);
     }
     expect(events).toHaveLength(1);
-    expect(events[0].event).toBe("message");
+    expect(events[0]!.event).toBe("message");
-    expect(events[0].data).toEqual({ answer: "hi" });
+    expect(events[0]!.data).toEqual({ answer: "hi" });
   });
 
   it("handles multi-line data payloads", async () => {
@@ -24,8 +24,8 @@ describe("sse parsing", () => {
     for await (const event of parseSseStream(stream)) {
       events.push(event);
     }
-    expect(events[0].raw).toBe("line1\nline2");
+    expect(events[0]!.raw).toBe("line1\nline2");
-    expect(events[0].data).toBe("line1\nline2");
+    expect(events[0]!.data).toBe("line1\nline2");
   });
 
   it("ignores comments and flushes the last event without a trailing separator", async () => {

sdks/nodejs-client/src/index.test.ts

@@ -99,7 +99,7 @@ describe("File uploads", () => {
         super();
       }
 
-      _read() {}
+      override _read() {}
 
       append() {}
 

sdks/nodejs-client/tsconfig.json

@@ -1,18 +1,14 @@
 {
+  "extends": "@dify/tsconfig/node.json",
   "compilerOptions": {
-    "target": "ES2022",
+    "lib": ["ES2023", "DOM", "DOM.Iterable"],
-    "module": "ESNext",
-    "moduleResolution": "Bundler",
     "rootDir": ".",
     "outDir": "dist",
+    "noEmit": false,
     "declaration": true,
     "declarationMap": true,
     "sourceMap": true,
-    "strict": true,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "skipLibCheck": true,
     "types": ["node"]
   },
-  "include": ["src/**/*.ts", "tests/**/*.ts"]
+  "include": ["src/**/*.ts", "tests/**/*.ts", "vite.config.ts"]
 }

web/__tests__/instrumentation-client.spec.ts

@@ -1,78 +0,0 @@
-/**
- * Tests for Array.prototype.toSpliced polyfill
- */
-
-describe('toSpliced polyfill', () => {
-  let originalToSpliced: typeof Array.prototype.toSpliced
-
-  beforeEach(() => {
-    // Save original method
-    originalToSpliced = Array.prototype.toSpliced
-  })
-
-  afterEach(() => {
-    // Restore original method
-    // eslint-disable-next-line no-extend-native
-    Array.prototype.toSpliced = originalToSpliced
-  })
-
-  const applyPolyfill = () => {
-    // @ts-expect-error - intentionally deleting for test
-    delete Array.prototype.toSpliced
-
-    if (!Array.prototype.toSpliced) {
-      // eslint-disable-next-line no-extend-native
-      Array.prototype.toSpliced = function <T>(this: T[], start: number, deleteCount?: number, ...items: T[]): T[] {
-        const copy = this.slice()
-        copy.splice(start, deleteCount ?? copy.length - start, ...items)
-        return copy
-      }
-    }
-  }
-
-  it('should add toSpliced method when not available', () => {
-    applyPolyfill()
-    expect(typeof Array.prototype.toSpliced).toBe('function')
-  })
-
-  it('should return a new array without modifying the original', () => {
-    applyPolyfill()
-    const arr = [1, 2, 3, 4, 5]
-    const result = arr.toSpliced(1, 2)
-
-    expect(result).toEqual([1, 4, 5])
-    expect(arr).toEqual([1, 2, 3, 4, 5]) // original unchanged
-  })
-
-  it('should insert items at the specified position', () => {
-    applyPolyfill()
-    const arr: (number | string)[] = [1, 2, 3]
-    const result = arr.toSpliced(1, 0, 'a', 'b')
-
-    expect(result).toEqual([1, 'a', 'b', 2, 3])
-  })
-
-  it('should replace items at the specified position', () => {
-    applyPolyfill()
-    const arr: (number | string)[] = [1, 2, 3, 4, 5]
-    const result = arr.toSpliced(1, 2, 'a', 'b')
-
-    expect(result).toEqual([1, 'a', 'b', 4, 5])
-  })
-
-  it('should handle negative start index', () => {
-    applyPolyfill()
-    const arr = [1, 2, 3, 4, 5]
-    const result = arr.toSpliced(-2, 1)
-
-    expect(result).toEqual([1, 2, 3, 5])
-  })
-
-  it('should delete to end when deleteCount is omitted', () => {
-    applyPolyfill()
-    const arr = [1, 2, 3, 4, 5]
-    const result = arr.toSpliced(2)
-
-    expect(result).toEqual([1, 2])
-  })
-})

web/app/components/app/create-from-dsl-modal/__tests__/index.spec.tsx

@@ -258,7 +258,8 @@ describe('CreateFromDSLModal', () => {
       expect(getCreateButton())!.toBeDisabled()
     })
 
-    ahooksMocks.handlers.findLast(item => Array.isArray(item.keys))?.handler()
+    const latestHandlerAfterRemove = [...ahooksMocks.handlers].reverse().find(item => Array.isArray(item.keys))
+    latestHandlerAfterRemove?.handler()
     expect(mockImportDSL).not.toHaveBeenCalled()
   })
 
@@ -387,7 +388,8 @@ describe('CreateFromDSLModal', () => {
     )
 
     expect(screen.getByText('apps-full'))!.toBeInTheDocument()
-    ahooksMocks.handlers.findLast(item => Array.isArray(item.keys))?.handler()
+    const latestPlanLimitHandler = [...ahooksMocks.handlers].reverse().find(item => Array.isArray(item.keys))
+    latestPlanLimitHandler?.handler()
     expect(mockImportDSL).toHaveBeenCalledTimes(1)
   })
 

web/app/components/base/error-boundary/index.tsx

@@ -67,7 +67,7 @@ class ErrorBoundaryInner extends React.Component<
     }
   }
 
-  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
+  override componentDidCatch(error: Error, errorInfo: ErrorInfo) {
     if (IS_DEV) {
       console.error('ErrorBoundary caught an error:', error)
       console.error('Error Info:', errorInfo)
@@ -82,7 +82,7 @@ class ErrorBoundaryInner extends React.Component<
       this.props.onError(error, errorInfo)
   }
 
-  componentDidUpdate(prevProps: any) {
+  override componentDidUpdate(prevProps: any) {
     const { resetKeys, resetOnPropsChange } = this.props
     const { hasError } = this.state
 
@@ -98,7 +98,7 @@ class ErrorBoundaryInner extends React.Component<
       this.props.onResetKeysChange(prevProps.resetKeys)
   }
 
-  render() {
+  override render() {
     const { hasError, error, errorInfo, errorCount } = this.state
     const {
       fallback,

web/app/components/base/markdown/error-boundary.tsx

@@ -17,12 +17,12 @@ export default class ErrorBoundary extends Component {
     this.state = { hasError: false }
   }
 
-  componentDidCatch(error: any, errorInfo: any) {
+  override componentDidCatch(error: any, errorInfo: any) {
     this.setState({ hasError: true })
     console.error(error, errorInfo)
   }
 
-  render() {
+  override render() {
     // eslint-disable-next-line ts/ban-ts-comment
     // @ts-expect-error
     if (this.state.hasError) {

web/app/components/base/prompt-editor/plugins/context-block/node.tsx

@@ -10,15 +10,15 @@ export class ContextBlockNode extends DecoratorNode<React.JSX.Element> {
   __onAddContext: () => void
   __canNotAddContext: boolean
 
-  static getType(): string {
+  static override getType(): string {
     return 'context-block'
   }
 
-  static clone(node: ContextBlockNode): ContextBlockNode {
+  static override clone(node: ContextBlockNode): ContextBlockNode {
     return new ContextBlockNode(node.__datasets, node.__onAddContext, node.getKey(), node.__canNotAddContext)
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
@@ -30,17 +30,17 @@ export class ContextBlockNode extends DecoratorNode<React.JSX.Element> {
     this.__canNotAddContext = canNotAddContext || false
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return (
       <ContextBlockComponent
         nodeKey={this.getKey()}
@@ -69,13 +69,13 @@ export class ContextBlockNode extends DecoratorNode<React.JSX.Element> {
     return self.__canNotAddContext
   }
 
-  static importJSON(serializedNode: SerializedNode): ContextBlockNode {
+  static override importJSON(serializedNode: SerializedNode): ContextBlockNode {
     const node = $createContextBlockNode(serializedNode.datasets, serializedNode.onAddContext, serializedNode.canNotAddContext)
 
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'context-block',
       version: 1,
@@ -85,7 +85,7 @@ export class ContextBlockNode extends DecoratorNode<React.JSX.Element> {
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return '{{#context#}}'
   }
 }

web/app/components/base/prompt-editor/plugins/current-block/node.tsx

@@ -7,15 +7,15 @@ type SerializedNode = SerializedLexicalNode & { generatorType: GeneratorType }
 
 export class CurrentBlockNode extends DecoratorNode<React.JSX.Element> {
   __generatorType: GeneratorType
-  static getType(): string {
+  static override getType(): string {
     return 'current-block'
   }
 
-  static clone(node: CurrentBlockNode): CurrentBlockNode {
+  static override clone(node: CurrentBlockNode): CurrentBlockNode {
     return new CurrentBlockNode(node.__generatorType, node.getKey())
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
@@ -25,17 +25,17 @@ export class CurrentBlockNode extends DecoratorNode<React.JSX.Element> {
     this.__generatorType = generatorType
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return (
       <CurrentBlockComponent
         nodeKey={this.getKey()}
@@ -49,13 +49,13 @@ export class CurrentBlockNode extends DecoratorNode<React.JSX.Element> {
     return self.__generatorType
   }
 
-  static importJSON(serializedNode: SerializedNode): CurrentBlockNode {
+  static override importJSON(serializedNode: SerializedNode): CurrentBlockNode {
     const node = $createCurrentBlockNode(serializedNode.generatorType)
 
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'current-block',
       version: 1,
@@ -63,7 +63,7 @@ export class CurrentBlockNode extends DecoratorNode<React.JSX.Element> {
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return '{{#current#}}'
   }
 }

web/app/components/base/prompt-editor/plugins/custom-text/node.tsx

@@ -2,11 +2,11 @@ import type { EditorConfig, SerializedTextNode } from 'lexical'
 import { $createTextNode, TextNode } from 'lexical'
 
 export class CustomTextNode extends TextNode {
-  static getType() {
+  static override getType() {
     return 'custom-text'
   }
 
-  static clone(node: CustomTextNode) {
+  static override clone(node: CustomTextNode) {
     return new CustomTextNode(node.__text, node.__key)
   }
 
@@ -14,12 +14,12 @@ export class CustomTextNode extends TextNode {
   //   super(text, key)
   // }
 
-  createDOM(config: EditorConfig) {
+  override createDOM(config: EditorConfig) {
     const dom = super.createDOM(config)
     return dom
   }
 
-  static importJSON(serializedNode: SerializedTextNode): TextNode {
+  static override importJSON(serializedNode: SerializedTextNode): TextNode {
     const node = $createTextNode(serializedNode.text)
     node.setFormat(serializedNode.format)
     node.setDetail(serializedNode.detail)
@@ -28,7 +28,7 @@ export class CustomTextNode extends TextNode {
     return node
   }
 
-  exportJSON(): SerializedTextNode {
+  override exportJSON(): SerializedTextNode {
     return {
       detail: this.getDetail(),
       format: this.getFormat(),
@@ -40,7 +40,7 @@ export class CustomTextNode extends TextNode {
     }
   }
 
-  isSimpleText() {
+  override isSimpleText() {
     return (
       (this.__type === 'text' || this.__type === 'custom-text') && this.__mode === 0)
   }

web/app/components/base/prompt-editor/plugins/error-message-block/node.tsx

@@ -5,15 +5,15 @@ import ErrorMessageBlockComponent from './component'
 type SerializedNode = SerializedLexicalNode
 
 export class ErrorMessageBlockNode extends DecoratorNode<React.JSX.Element> {
-  static getType(): string {
+  static override getType(): string {
     return 'error-message-block'
   }
 
-  static clone(node: ErrorMessageBlockNode): ErrorMessageBlockNode {
+  static override clone(node: ErrorMessageBlockNode): ErrorMessageBlockNode {
     return new ErrorMessageBlockNode(node.getKey())
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
@@ -21,17 +21,17 @@ export class ErrorMessageBlockNode extends DecoratorNode<React.JSX.Element> {
     super(key)
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return (
       <ErrorMessageBlockComponent
         nodeKey={this.getKey()}
@@ -39,20 +39,20 @@ export class ErrorMessageBlockNode extends DecoratorNode<React.JSX.Element> {
     )
   }
 
-  static importJSON(): ErrorMessageBlockNode {
+  static override importJSON(): ErrorMessageBlockNode {
     const node = $createErrorMessageBlockNode()
 
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'error-message-block',
       version: 1,
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return '{{#error_message#}}'
   }
 }

web/app/components/base/prompt-editor/plugins/history-block/node.tsx

@@ -9,11 +9,11 @@ export class HistoryBlockNode extends DecoratorNode<React.JSX.Element> {
   __roleName: RoleName
   __onEditRole: () => void
 
-  static getType(): string {
+  static override getType(): string {
     return 'history-block'
   }
 
-  static clone(node: HistoryBlockNode): HistoryBlockNode {
+  static override clone(node: HistoryBlockNode): HistoryBlockNode {
     return new HistoryBlockNode(node.__roleName, node.__onEditRole, node.__key)
   }
 
@@ -24,21 +24,21 @@ export class HistoryBlockNode extends DecoratorNode<React.JSX.Element> {
     this.__onEditRole = onEditRole
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return (
       <HistoryBlockComponent
         nodeKey={this.getKey()}
@@ -60,13 +60,13 @@ export class HistoryBlockNode extends DecoratorNode<React.JSX.Element> {
     return self.__onEditRole
   }
 
-  static importJSON(serializedNode: SerializedNode): HistoryBlockNode {
+  static override importJSON(serializedNode: SerializedNode): HistoryBlockNode {
     const node = $createHistoryBlockNode(serializedNode.roleName, serializedNode.onEditRole)
 
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'history-block',
       version: 1,
@@ -75,7 +75,7 @@ export class HistoryBlockNode extends DecoratorNode<React.JSX.Element> {
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return '{{#histories#}}'
   }
 }

web/app/components/base/prompt-editor/plugins/hitl-input-block/node.tsx

@@ -37,7 +37,7 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
   __ragVariables?: Var[]
   __readonly?: boolean
 
-  isIsolated(): boolean {
+  override isIsolated(): boolean {
     return true // This is necessary for drag-and-drop to work correctly
   }
 
@@ -45,7 +45,7 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
     return true // This is necessary for drag-and-drop to work correctly
   }
 
-  static getType(): string {
+  static override getType(): string {
     return 'hitl-input-block'
   }
 
@@ -109,7 +109,7 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
     return self.__readonly || false
   }
 
-  static clone(node: HITLInputNode): HITLInputNode {
+  static override clone(node: HITLInputNode): HITLInputNode {
     return new HITLInputNode(
       node.__variableName,
       node.__nodeId,
@@ -127,7 +127,7 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
     )
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
@@ -162,17 +162,17 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
     this.__readonly = readonly
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'w-[calc(100%-1px)]', 'items-center', 'align-middle', 'support-drag')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return (
       <HILTInputBlockComponent
         nodeKey={this.getKey()}
@@ -192,7 +192,7 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
     )
   }
 
-  static importJSON(serializedNode: SerializedNode): HITLInputNode {
+  static override importJSON(serializedNode: SerializedNode): HITLInputNode {
     const node = $createHITLInputNode(
       serializedNode.variableName,
       serializedNode.nodeId,
@@ -211,7 +211,7 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'hitl-input-block',
       version: 1,
@@ -230,7 +230,7 @@ export class HITLInputNode extends DecoratorNode<React.JSX.Element> {
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return `{{#$output.${this.getVariableName()}#}}`
   }
 }

web/app/components/base/prompt-editor/plugins/last-run-block/node.tsx

@@ -5,15 +5,15 @@ import LastRunBlockComponent from './component'
 type SerializedNode = SerializedLexicalNode
 
 export class LastRunBlockNode extends DecoratorNode<React.JSX.Element> {
-  static getType(): string {
+  static override getType(): string {
     return 'last-run-block'
   }
 
-  static clone(node: LastRunBlockNode): LastRunBlockNode {
+  static override clone(node: LastRunBlockNode): LastRunBlockNode {
     return new LastRunBlockNode(node.getKey())
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
@@ -21,17 +21,17 @@ export class LastRunBlockNode extends DecoratorNode<React.JSX.Element> {
     super(key)
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return (
       <LastRunBlockComponent
         nodeKey={this.getKey()}
@@ -39,20 +39,20 @@ export class LastRunBlockNode extends DecoratorNode<React.JSX.Element> {
     )
   }
 
-  static importJSON(): LastRunBlockNode {
+  static override importJSON(): LastRunBlockNode {
     const node = $createLastRunBlockNode()
 
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'last-run-block',
       version: 1,
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return '{{#last_run#}}'
   }
 }

web/app/components/base/prompt-editor/plugins/query-block/node.tsx

@@ -5,46 +5,46 @@ import QueryBlockComponent from './component'
 type SerializedNode = SerializedLexicalNode
 
 export class QueryBlockNode extends DecoratorNode<React.JSX.Element> {
-  static getType(): string {
+  static override getType(): string {
     return 'query-block'
   }
 
-  static clone(): QueryBlockNode {
+  static override clone(): QueryBlockNode {
     return new QueryBlockNode()
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return <QueryBlockComponent nodeKey={this.getKey()} />
   }
 
-  static importJSON(): QueryBlockNode {
+  static override importJSON(): QueryBlockNode {
     const node = $createQueryBlockNode()
 
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'query-block',
       version: 1,
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return '{{#query#}}'
   }
 }

web/app/components/base/prompt-editor/plugins/request-url-block/node.tsx

@@ -5,46 +5,46 @@ import RequestURLBlockComponent from './component'
 type SerializedNode = SerializedLexicalNode
 
 export class RequestURLBlockNode extends DecoratorNode<React.JSX.Element> {
-  static getType(): string {
+  static override getType(): string {
     return 'request-url-block'
   }
 
-  static clone(node: RequestURLBlockNode): RequestURLBlockNode {
+  static override clone(node: RequestURLBlockNode): RequestURLBlockNode {
     return new RequestURLBlockNode(node.__key)
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return <RequestURLBlockComponent nodeKey={this.getKey()} />
   }
 
-  static importJSON(): RequestURLBlockNode {
+  static override importJSON(): RequestURLBlockNode {
     const node = $createRequestURLBlockNode()
 
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     return {
       type: 'request-url-block',
       version: 1,
     }
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return '{{#url#}}'
   }
 }

web/app/components/base/prompt-editor/plugins/variable-value-block/node.tsx

@@ -9,11 +9,11 @@ import {
 } from 'lexical'
 
 export class VariableValueBlockNode extends TextNode {
-  static getType(): string {
+  static override getType(): string {
     return 'variable-value-block'
   }
 
-  static clone(node: VariableValueBlockNode): VariableValueBlockNode {
+  static override clone(node: VariableValueBlockNode): VariableValueBlockNode {
     return new VariableValueBlockNode(node.__text, node.__key)
   }
 
@@ -21,13 +21,13 @@ export class VariableValueBlockNode extends TextNode {
   //   super(text, key)
   // }
 
-  createDOM(config: EditorConfig): HTMLElement {
+  override createDOM(config: EditorConfig): HTMLElement {
     const element = super.createDOM(config)
     element.classList.add('inline-flex', 'items-center', 'px-0.5', 'h-[22px]', 'text-text-accent', 'rounded-[5px]', 'align-middle')
     return element
   }
 
-  static importJSON(serializedNode: SerializedTextNode): TextNode {
+  static override importJSON(serializedNode: SerializedTextNode): TextNode {
     const node = $createVariableValueBlockNode(serializedNode.text)
     node.setFormat(serializedNode.format)
     node.setDetail(serializedNode.detail)
@@ -36,7 +36,7 @@ export class VariableValueBlockNode extends TextNode {
     return node
   }
 
-  exportJSON(): SerializedTextNode {
+  override exportJSON(): SerializedTextNode {
     return {
       detail: this.getDetail(),
       format: this.getFormat(),
@@ -48,7 +48,7 @@ export class VariableValueBlockNode extends TextNode {
     }
   }
 
-  canInsertTextBefore(): boolean {
+  override canInsertTextBefore(): boolean {
     return false
   }
 }

web/app/components/base/prompt-editor/plugins/workflow-variable-block/node.tsx

@@ -19,11 +19,11 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
   __getVarType?: GetVarType
   __availableVariables?: NodeOutPutVar[]
 
-  static getType(): string {
+  static override getType(): string {
     return 'workflow-variable-block'
   }
 
-  static clone(node: WorkflowVariableBlockNode): WorkflowVariableBlockNode {
+  static override clone(node: WorkflowVariableBlockNode): WorkflowVariableBlockNode {
     return new WorkflowVariableBlockNode(
       node.__variables,
       node.__workflowNodesMap,
@@ -33,7 +33,7 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
     )
   }
 
-  isInline(): boolean {
+  override isInline(): boolean {
     return true
   }
 
@@ -52,17 +52,17 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
     this.__availableVariables = availableVariables
   }
 
-  createDOM(): HTMLElement {
+  override createDOM(): HTMLElement {
     const div = document.createElement('div')
     div.classList.add('inline-flex', 'items-center', 'align-middle')
     return div
   }
 
-  updateDOM(): false {
+  override updateDOM(): false {
     return false
   }
 
-  decorate(): React.JSX.Element {
+  override decorate(): React.JSX.Element {
     return (
       <WorkflowVariableBlockComponent
         nodeKey={this.getKey()}
@@ -74,7 +74,7 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
     )
   }
 
-  static importJSON(serializedNode: SerializedNode): WorkflowVariableBlockNode {
+  static override importJSON(serializedNode: SerializedNode): WorkflowVariableBlockNode {
     const node = $createWorkflowVariableBlockNode(
       serializedNode.variables,
       serializedNode.workflowNodesMap,
@@ -85,7 +85,7 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
     return node
   }
 
-  exportJSON(): SerializedNode {
+  override exportJSON(): SerializedNode {
     const json: SerializedNode = {
       type: 'workflow-variable-block',
       version: 1,
@@ -119,7 +119,7 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
     return self.__availableVariables
   }
 
-  getTextContent(): string {
+  override getTextContent(): string {
     return `{{#${this.getVariables().join('.')}#}}`
   }
 }

web/app/components/workflow/__tests__/update-dsl-modal.spec.tsx

@@ -230,7 +230,7 @@ describe('UpdateDSLModal', () => {
 
   it('should show an error when the selected file content is invalid for the current app mode', async () => {
     class InvalidDSLFileReader extends MockFileReader {
-      readAsText(_file: Blob) {
+      override readAsText(_file: Blob) {
         const event = { target: { result: 'workflow:\n  graph:\n    nodes:\n      - data:\n          type: answer\n' } } as unknown as ProgressEvent<FileReader>
         this.onload?.call(this as unknown as FileReader, event)
       }

web/app/components/workflow/nodes/_base/components/variable/output-var-list.tsx

@@ -55,7 +55,7 @@ const OutputVarList: FC<Props> = ({
       replaceSpaceWithUnderscoreInVarNameInput(e.target)
       const newKey = e.target.value
 
-      validateVarInput(list.toSpliced(index, 1), newKey)
+      validateVarInput(list.filter((_, itemIndex) => itemIndex !== index), newKey)
 
       const newOutputs = produce(outputs, (draft) => {
         draft[newKey] = draft[oldKey]!

web/app/components/workflow/nodes/_base/components/variable/var-list.tsx

@@ -67,7 +67,7 @@ const VarList: FC<Props> = ({
 
       const newKey = e.target.value
 
-      validateVarInput(list.toSpliced(index, 1), newKey)
+      validateVarInput(list.filter((_, itemIndex) => itemIndex !== index), newKey)
 
       onVarNameChange?.(list[index]!.variable, newKey)
       const newList = produce(list, (draft) => {

web/app/components/workflow/run/utils/format-log/parallel/index.ts

@@ -1,6 +1,15 @@
 import type { NodeTracing } from '@/types/workflow'
 import { BlockEnum } from '@/app/components/workflow/types'
 
+function findLastIndex<T>(list: T[], predicate: (item: T) => boolean): number {
+  for (let index = list.length - 1; index >= 0; index--) {
+    if (predicate(list[index]!))
+      return index
+  }
+
+  return -1
+}
+
 function printNodeStructure(node: NodeTracing, depth: number) {
   const indent = '  '.repeat(depth)
   console.log(`${indent}${node.title}`)
@@ -107,7 +116,7 @@ const format = (list: NodeTracing[], t: any, isPrint?: boolean): NodeTracing[] =
           }
         }
         if (parentParallelStartNode!.parallelDetail.children) {
-          const sameBranchNodesLastIndex = parentParallelStartNode.parallelDetail.children.findLastIndex((node) => {
+          const sameBranchNodesLastIndex = findLastIndex(parentParallelStartNode.parallelDetail.children, (node) => {
             const currStartNodeId = node.parallel_start_node_id ?? node.execution_metadata?.parallel_start_node_id ?? null
             return currStartNodeId === parentParallelBranchStartNodeId
           })
@@ -124,7 +133,7 @@ const format = (list: NodeTracing[], t: any, isPrint?: boolean): NodeTracing[] =
     const parallelStartNode = result.find(item => parallel_start_node_id === item.node_id)
 
     if (parallelStartNode && parallelStartNode.parallelDetail && parallelStartNode!.parallelDetail!.children) {
-      const sameBranchNodesLastIndex = parallelStartNode.parallelDetail.children.findLastIndex((node) => {
+      const sameBranchNodesLastIndex = findLastIndex(parallelStartNode.parallelDetail.children, (node) => {
         const currStartNodeId = node.parallel_start_node_id ?? node.execution_metadata?.parallel_start_node_id ?? null
         return currStartNodeId === branchStartNodeId
       })

web/i18n-config/index.ts

@@ -10,7 +10,7 @@ export const i18n = {
   locales: LanguagesSupported,
 } as const
 
-export { Locale }
+export type { Locale }
 
 export const setLocaleOnClient = async (locale: Locale, reloadPage = true) => {
   Cookies.set(LOCALE_COOKIE_NAME, locale, { expires: 365 })

web/instrumentation-client.ts

@@ -2,20 +2,6 @@ import { IS_DEV } from '@/config'
 import { env } from '@/env'
 
 async function main() {
-  // Polyfill for Array.prototype.toSpliced (ES2023, Chrome 110+)
-  if (!Array.prototype.toSpliced) {
-    // eslint-disable-next-line no-extend-native
-    Array.prototype.toSpliced = function <T>(this: T[], start: number, deleteCount?: number, ...items: T[]): T[] {
-      const copy = this.slice()
-      // When deleteCount is undefined (omitted), delete to end; otherwise let splice handle coercion
-      if (deleteCount === undefined)
-        copy.splice(start, copy.length - start, ...items)
-      else
-        copy.splice(start, deleteCount, ...items)
-      return copy
-    }
-  }
-
   if (!('localStorage' in globalThis) || !('sessionStorage' in globalThis)) {
     class StorageMock {
       data: Record<string, string>

web/package.json

@@ -48,8 +48,8 @@
     "test": "vp test",
     "test:coverage": "vp test --coverage",
     "test:watch": "vp test --watch",
-    "type-check": "tsc --noEmit",
+    "type-check": "tsc",
-    "type-check:tsgo": "tsgo --noEmit",
+    "type-check:tsgo": "tsgo",
     "uglify-embed": "node ./bin/uglify-embed"
   },
   "dependencies": {
@@ -160,6 +160,7 @@
     "@antfu/eslint-config": "catalog:",
     "@chromatic-com/storybook": "catalog:",
     "@dify/iconify-collections": "workspace:*",
+    "@dify/tsconfig": "workspace:*",
     "@egoist/tailwindcss-icons": "catalog:",
     "@eslint-react/eslint-plugin": "catalog:",
     "@hono/node-server": "catalog:",

web/tsconfig.json

@@ -1,15 +1,7 @@
 {
+  "extends": "@dify/tsconfig/nextjs.json",
   "compilerOptions": {
     "incremental": true,
-    "target": "es2022",
-    "jsx": "react-jsx",
-    "lib": [
-      "dom",
-      "dom.iterable",
-      "esnext"
-    ],
-    "module": "esnext",
-    "moduleResolution": "bundler",
     "paths": {
       "@/*": [
         "./*"
@@ -23,19 +15,7 @@
       "vitest/globals",
       "node"
     ],
-    "allowJs": true,
+    "allowJs": true
-    "strict": true,
-    "noUncheckedIndexedAccess": true,
-    "noEmit": true,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "isolatedModules": true,
-    "skipLibCheck": true,
-    "plugins": [
-      {
-        "name": "next"
-      }
-    ]
   },
   "include": [
     "next-env.d.ts",