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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,206 @@ | ||
| import { RefObject, useCallback, useEffect, useMemo } from 'react' | ||
| import debounce from 'debounce' | ||
| import * as monaco from 'monaco-editor' | ||
| import type TS from 'typescript' | ||
| import { CodeEditorModel } from '@/lib/code-editor-model' | ||
| import { DebugLog, debugLog } from '@/lib/debug-log' | ||
| import { getDtsMap } from '@/lib/dts' | ||
| import { getTypescript } from '@/lib/get-typescript' | ||
| import { getNpmPackageFromImportPath } from '@/lib/npm-packages' | ||
|
|
||
| export default function useCodeEditorTypescript( | ||
| editorRef: RefObject<monaco.editor.IStandaloneCodeEditor | null>, | ||
| models: Map<string, InstanceType<typeof CodeEditorModel>> | ||
| ) { | ||
| useEffect(() => { | ||
| monaco.languages.typescript.typescriptDefaults.setDiagnosticsOptions({ | ||
| noSemanticValidation: false, | ||
| noSyntaxValidation: false, | ||
| }) | ||
|
|
||
| monaco.languages.typescript.typescriptDefaults.setCompilerOptions({ | ||
| // https://www.typescriptlang.org/tsconfig/#allowSyntheticDefaultImports | ||
| allowSyntheticDefaultImports: true, | ||
|
|
||
| jsx: monaco.languages.typescript.JsxEmit.ReactJSX, | ||
| allowJs: true, | ||
| esModuleInterop: true, | ||
| target: monaco.languages.typescript.ScriptTarget.ESNext, | ||
| allowNonTsExtensions: true, | ||
| moduleResolution: monaco.languages.typescript.ModuleResolutionKind.NodeJs, | ||
| module: monaco.languages.typescript.ModuleKind.ESNext, | ||
|
|
||
| // https://github.com/microsoft/monaco-editor/issues/2976 | ||
| isolatedModules: true, | ||
|
|
||
| // https://github.com/microsoft/monaco-editor/issues/2976 | ||
| moduleDetection: 3 /* Force (undocumented, https://raw.githubusercontent.com/microsoft/monaco-editor/93a0a2df32926aa86f7e11bc71a43afaea581a09/src/language/typescript/lib/typescriptServices.js, look for "moduleDetection") */, | ||
| }) | ||
| }, []) | ||
|
|
||
| const modelPackages = useMemo(() => new Map<string, { abortController: AbortController }>(), []) | ||
| const [tsRef, loadTS] = useMemo(() => getTypescript(), []) | ||
| const cachedImports = useMemo(() => new Map<monaco.editor.ITextModel, Set<string>>(), []) | ||
|
|
||
| const tsModels: Array<InstanceType<typeof CodeEditorModel>> = useMemo(() => { | ||
| return Array.from(models.values()).filter( | ||
| (model) => model.monacoModel.getLanguageId() === 'typescript' | ||
| ) | ||
| }, [models]) | ||
|
|
||
| const updateDts = useCallback(() => { | ||
| const ts = tsRef.value! | ||
|
|
||
| const imports = new Set<string>() | ||
|
|
||
| try { | ||
| models.forEach((model) => { | ||
| let _imports = cachedImports.get(model.monacoModel) | ||
| if (!_imports) { | ||
| // `modelContext.getValue()` is used here instead of `modelContext.getBabelTransformResult().code` | ||
| // to preserve unused imports. Babel transform with typescript plugin removes unused imports. | ||
| const sourceFile = ts.createSourceFile( | ||
| model.monacoModel.uri.path, | ||
| model.getValue(), | ||
| ts.ScriptTarget.ESNext, | ||
| true, | ||
| model.monacoModel.uri.path.endsWith('.tsx') ? ts.ScriptKind.TSX : ts.ScriptKind.TS | ||
| ) | ||
|
|
||
| _imports = findImports(ts, sourceFile) | ||
| cachedImports.set(model.monacoModel, _imports) | ||
| } | ||
|
|
||
| _imports.forEach((importPath) => imports.add(importPath)) | ||
| }) | ||
| } catch (e) { | ||
| console.error('jsrepl :: ts :: updateDts', e) | ||
| return | ||
| } | ||
|
|
||
| // `imports` is used here instead of `modelContext.getBabelTransformResult().metadata.importPaths` | ||
| // to preserve unused imports. Babel transform with typescript plugin removes unused imports. | ||
| // It's better to eagerly preload types even before import is actually used in the code. | ||
| const packages = new Set( | ||
| Array.from(imports) | ||
| .map((importPath) => getNpmPackageFromImportPath(importPath)) | ||
| .filter((moduleName) => moduleName !== null) | ||
| ) | ||
|
|
||
| // TODO: support packages with version specifier: `[email protected]` | ||
| if ( | ||
| packages.has('react') || | ||
| packages.has('react-dom/client') || | ||
| packages.has('react-dom/client.development') | ||
| ) { | ||
| packages.add('react/jsx-runtime') | ||
| } | ||
|
|
||
| const addedPackages = Array.from(packages).filter( | ||
| (packageName) => !modelPackages.has(packageName) | ||
| ) | ||
| const removedPackages = Array.from(modelPackages.keys()).filter( | ||
| (packageName) => !packages.has(packageName) | ||
| ) | ||
|
|
||
| removedPackages.forEach((packageName) => { | ||
| const { abortController } = modelPackages.get(packageName)! | ||
| abortController.abort() | ||
| modelPackages.delete(packageName) | ||
| }) | ||
|
|
||
| addedPackages.forEach(async (packageName) => { | ||
| const abortController = new AbortController() | ||
| const { signal } = abortController | ||
| modelPackages.set(packageName, { abortController }) | ||
|
|
||
| // TODO: await Promise.all of addedPackages? | ||
| const dtsMap = await getDtsMap(packageName, tsRef.value!, { signal }) | ||
| debugLog(DebugLog.DTS, packageName, 'dtsMap', dtsMap) | ||
|
|
||
| for (const [fileUri, content] of dtsMap) { | ||
| if (signal.aborted) { | ||
| return | ||
| } | ||
|
|
||
| const disposable = monaco.languages.typescript.typescriptDefaults.addExtraLib( | ||
| content, | ||
| fileUri | ||
| ) | ||
|
|
||
| signal.addEventListener('abort', () => { | ||
| disposable.dispose() | ||
| }) | ||
| } | ||
| }) | ||
|
|
||
| if (addedPackages.length > 0 || removedPackages.length > 0) { | ||
| const paths = Array.from(packages).reduce( | ||
| (acc, packageName) => { | ||
| acc[`https://esm.sh/${packageName}`] = [`file:///node_modules/${packageName}`] | ||
| return acc | ||
| }, | ||
| {} as Record<string, string[]> | ||
| ) | ||
|
|
||
| monaco.languages.typescript.typescriptDefaults.setCompilerOptions({ | ||
| ...monaco.languages.typescript.typescriptDefaults.getCompilerOptions(), | ||
| paths, | ||
| }) | ||
| } | ||
| }, [tsRef, cachedImports, models, modelPackages]) | ||
|
|
||
| const debouncedUpdateDts = useMemo(() => debounce(updateDts, 500), [updateDts]) | ||
|
|
||
| useEffect(() => { | ||
| return () => { | ||
| debouncedUpdateDts.clear() | ||
| } | ||
| }, [debouncedUpdateDts]) | ||
|
|
||
| useEffect(() => { | ||
| loadTS().then(() => { | ||
| updateDts() | ||
| }) | ||
| }, [loadTS, updateDts]) | ||
|
|
||
| useEffect(() => { | ||
| const disposables = tsModels.map((model) => { | ||
| return model.monacoModel.onDidChangeContent(() => { | ||
| cachedImports.delete(model.monacoModel) | ||
| debouncedUpdateDts() | ||
| }) | ||
| }) | ||
|
|
||
| return () => { | ||
| disposables.forEach((disposable) => disposable.dispose()) | ||
| } | ||
| }, [tsModels, debouncedUpdateDts, cachedImports]) | ||
| } | ||
|
|
||
| function findImports(ts: typeof TS, sourceFile: TS.SourceFile) { | ||
| const imports = new Set<string>() | ||
|
|
||
| function findImportsAndExports(node: TS.Node) { | ||
| // if (ts.isImportDeclaration(node)) { | ||
| // console.log('Import:', node.moduleSpecifier.getText()); | ||
| // } else if (ts.isExportDeclaration(node)) { | ||
| // console.log('Export:', node.moduleSpecifier ? node.moduleSpecifier.getText() : 'Export with no module'); | ||
| // } else if (ts.isExportAssignment(node)) { | ||
| // console.log('Export assignment:', node.expression.getText()); | ||
| // } | ||
|
|
||
| if (ts.isImportDeclaration(node)) { | ||
| const moduleSpecifier = node.moduleSpecifier as TS.StringLiteral | ||
| if (moduleSpecifier.text) { | ||
| imports.add(moduleSpecifier.text) | ||
| } | ||
| } | ||
|
|
||
| ts.forEachChild(node, findImportsAndExports) | ||
| } | ||
|
|
||
| ts.forEachChild(sourceFile, findImportsAndExports) | ||
|
|
||
| return imports | ||
| } |
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