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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,196 @@ | ||
| import ts from "typescript" | ||
| import { ExternalFileCache, ProjectFileCache } from "./cache.js" | ||
| import type { DiagnosticWriter } from "./diagnostics" | ||
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| export class Project { | ||
| private diagnosticWriter: DiagnosticWriter | ||
| private cmdLine: ts.ParsedCommandLine | ||
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| private projectFiles: ProjectFileCache | ||
| private externalFiles: ExternalFileCache | ||
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| private languageService: ts.LanguageService | ||
| private program: ts.Program | ||
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| constructor( | ||
| documentRegistry: ts.DocumentRegistry, | ||
| diagnosticWriter: DiagnosticWriter, | ||
| cmdLine: ts.ParsedCommandLine, | ||
| enhanceLanguageServiceHost?: (host: ts.LanguageServiceHost) => void | ||
| ) { | ||
| this.diagnosticWriter = diagnosticWriter | ||
| this.cmdLine = cmdLine | ||
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| this.projectFiles = new ProjectFileCache(cmdLine.fileNames) | ||
| this.externalFiles = new ExternalFileCache() | ||
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| const languageServiceHost: ts.LanguageServiceHost = { | ||
| getCompilationSettings: () => this.cmdLine.options, | ||
| // getNewLine?(): string; | ||
| // getProjectVersion?(): string; | ||
| getScriptFileNames: () => this.projectFiles.getFileNames(), | ||
| // getScriptKind?(fileName: string): ts.ScriptKind; | ||
| getScriptVersion: (fileName) => this.projectFiles.getVersion(fileName) ?? "0", | ||
| getScriptSnapshot: (fileName) => | ||
| this.projectFiles.getSnapshot(fileName) ?? | ||
| this.externalFiles.getSnapshot(fileName), | ||
| getProjectReferences: (): ReadonlyArray<ts.ProjectReference> | undefined => cmdLine.projectReferences, | ||
| // getLocalizedDiagnosticMessages?(): any; | ||
| // getCancellationToken?(): HostCancellationToken; | ||
| getCurrentDirectory: () => process.cwd(), | ||
| getDefaultLibFileName: (o) => ts.getDefaultLibFilePath(o), | ||
| // log: (s: string): void; | ||
| // trace: (s: string): void; | ||
| // error: (s: string): void; | ||
| // useCaseSensitiveFileNames?(): boolean; | ||
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| /* | ||
| * LS host can optionally implement these methods to support completions for module specifiers. | ||
| * Without these methods, only completions for ambient modules will be provided. | ||
| */ | ||
| readDirectory: ts.sys.readDirectory, | ||
| readFile: ts.sys.readFile, | ||
| realpath: ts.sys.realpath || ((x) => x), | ||
| fileExists: ts.sys.fileExists, | ||
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| /* | ||
| * LS host can optionally implement these methods to support automatic updating when new type libraries are installed | ||
| */ | ||
| // getTypeRootsVersion?(): number; | ||
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| /* | ||
| * LS host can optionally implement this method if it wants to be completely in charge of module name resolution. | ||
| * if implementation is omitted then language service will use built-in module resolution logic and get answers to | ||
| * host specific questions using 'getScriptSnapshot'. | ||
| * | ||
| * If this is implemented, `getResolvedModuleWithFailedLookupLocationsFromCache` should be too. | ||
| */ | ||
| // resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedModule | undefined)[]; | ||
| // getResolvedModuleWithFailedLookupLocationsFromCache?(modulename: string, containingFile: string): ResolvedModuleWithFailedLookupLocations | undefined; | ||
| // resolveTypeReferenceDirectives?(typeDirectiveNames: string[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedTypeReferenceDirective | undefined)[]; | ||
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| /* | ||
| * Required for full import and type reference completions. | ||
| * These should be unprefixed names. E.g. `getDirectories("/foo/bar")` should return `["a", "b"]`, not `["/foo/bar/a", "/foo/bar/b"]`. | ||
| */ | ||
| getDirectories: ts.sys.getDirectories, | ||
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| /** | ||
| * Gets a set of custom transformers to use during emit. | ||
| */ | ||
| // getCustomTransformers?(): CustomTransformers | undefined; | ||
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| // isKnownTypesPackageName?(name: string): boolean; | ||
| // installPackage?(options: InstallPackageOptions): Promise<ApplyCodeActionCommandResult>; | ||
| // writeFile?(fileName: string, content: string): void; | ||
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| // getParsedCommandLine?(fileName: string): ParsedCommandLine | undefined; | ||
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| directoryExists: ts.sys.directoryExists | ||
| } | ||
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| if (enhanceLanguageServiceHost) { | ||
| enhanceLanguageServiceHost(languageServiceHost) | ||
| } | ||
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| this.languageService = ts.createLanguageService( | ||
| languageServiceHost, | ||
| documentRegistry | ||
| ) | ||
| this.program = this.languageService.getProgram()! | ||
| } | ||
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| addFile(filePath: string) { | ||
| // Add snapshot | ||
| this.externalFiles.getSnapshot(filePath) | ||
| return this.program.getSourceFile(filePath)! | ||
| } | ||
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| getCommandLine(): ts.ParsedCommandLine { | ||
| return this.cmdLine | ||
| } | ||
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| private getFileDiagnostics(fileName: string): Array<ts.Diagnostic> { | ||
| return [ | ||
| ...this.languageService.getSyntacticDiagnostics(fileName), | ||
| ...this.languageService.getSemanticDiagnostics(fileName), | ||
| ...this.languageService.getSuggestionDiagnostics(fileName) | ||
| ] | ||
| } | ||
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| validateFile(fileName: string): boolean { | ||
| const diagnostics = this.getFileDiagnostics(fileName).filter( | ||
| (d) => d.category !== ts.DiagnosticCategory.Suggestion | ||
| ) | ||
| if (Array.isArray(diagnostics) && diagnostics.length > 0) { | ||
| diagnostics.forEach((d) => this.diagnosticWriter.print(d)) | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
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| validate(): boolean { | ||
| // filter down the list of files to be checked | ||
| const matcher = this.cmdLine.options.checkJs ? /[.][jt]sx?$/ : /[.]tsx?$/ | ||
| const files = this.projectFiles | ||
| .getFileNames() | ||
| .filter((f) => f.match(matcher)) | ||
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| // check each file | ||
| let result = true | ||
| for (const file of files) { | ||
| // always validate the file, even if others have failed | ||
| const fileResult = this.validateFile(file) | ||
| // combine this file's result with the aggregate result | ||
| result = result && fileResult | ||
| } | ||
| return result | ||
| } | ||
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| emitFile(fileName: string): boolean { | ||
| const output = this.languageService.getEmitOutput(fileName) | ||
| if (!output || output.emitSkipped) { | ||
| this.validateFile(fileName) | ||
| return false | ||
| } | ||
| output.outputFiles.forEach((o) => { | ||
| ts.sys.writeFile(o.name, o.text) | ||
| }) | ||
| return true | ||
| } | ||
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| emit(): boolean { | ||
| // emit each file | ||
| let result = true | ||
| for (const file of this.projectFiles.getFileNames()) { | ||
| // always emit the file, even if others have failed | ||
| const fileResult = this.emitFile(file) | ||
| // combine this file's result with the aggregate result | ||
| result = result && fileResult | ||
| } | ||
| return result | ||
| } | ||
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| hasFile(fileName: string): boolean { | ||
| return this.projectFiles.has(fileName) | ||
| } | ||
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| setFile(fileName: string, snapshot?: ts.IScriptSnapshot): void { | ||
| this.projectFiles.set(fileName, snapshot) | ||
| } | ||
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| removeFile(fileName: string): void { | ||
| this.projectFiles.remove(fileName) | ||
| } | ||
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| removeAllFiles(): void { | ||
| this.projectFiles.removeAll() | ||
| } | ||
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| dispose(): void { | ||
| this.languageService.dispose() | ||
|
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| // @ts-expect-error `languageService` cannot be used after calling dispose | ||
| this.languageService = null | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| import ts from "typescript" | ||
| import { createDiagnosticWriter } from "./diagnostics.js" | ||
| import { Project } from "./Project.js" | ||
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| export class Service { | ||
| private documentRegistry | ||
| private diagnosticWriter | ||
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| constructor(write?: (message: string) => void) { | ||
| this.documentRegistry = ts.createDocumentRegistry() | ||
| this.diagnosticWriter = createDiagnosticWriter(write) | ||
| } | ||
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| openProject( | ||
| cmdLine: ts.ParsedCommandLine, | ||
| enhanceLanguageServiceHost?: (host: ts.LanguageServiceHost) => void | ||
| ): Project { | ||
| return new Project( | ||
| this.documentRegistry, | ||
| this.diagnosticWriter, | ||
| cmdLine, | ||
| enhanceLanguageServiceHost | ||
| ) | ||
| } | ||
| } |
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