mirror of
https://github.com/microsoft/monaco-editor.git
synced 2025-12-22 13:55:41 +01:00
423 lines
11 KiB
TypeScript
423 lines
11 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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import * as ts from './lib/typescriptServices';
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import { libFileMap } from './lib/lib';
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import {
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Diagnostic,
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IExtraLibs,
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TypeScriptWorker as ITypeScriptWorker
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} from './monaco.contribution';
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import { worker } from './fillers/monaco-editor-core';
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export class TypeScriptWorker
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implements ts.LanguageServiceHost, ITypeScriptWorker {
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// --- model sync -----------------------
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private _ctx: worker.IWorkerContext;
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private _extraLibs: IExtraLibs = Object.create(null);
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private _languageService = ts.createLanguageService(this);
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private _compilerOptions: ts.CompilerOptions;
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constructor(ctx: worker.IWorkerContext, createData: ICreateData) {
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this._ctx = ctx;
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this._compilerOptions = createData.compilerOptions;
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this._extraLibs = createData.extraLibs;
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}
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// --- language service host ---------------
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getCompilationSettings(): ts.CompilerOptions {
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return this._compilerOptions;
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}
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getScriptFileNames(): string[] {
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let models = this._ctx
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.getMirrorModels()
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.map((model) => model.uri.toString());
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return models.concat(Object.keys(this._extraLibs));
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}
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private _getModel(fileName: string): worker.IMirrorModel | null {
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let models = this._ctx.getMirrorModels();
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for (let i = 0; i < models.length; i++) {
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if (models[i].uri.toString() === fileName) {
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return models[i];
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}
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}
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return null;
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}
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getScriptVersion(fileName: string): string {
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let model = this._getModel(fileName);
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if (model) {
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return model.version.toString();
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} else if (this.isDefaultLibFileName(fileName)) {
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// default lib is static
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return '1';
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} else if (fileName in this._extraLibs) {
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return String(this._extraLibs[fileName].version);
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}
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return '';
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}
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getScriptText(fileName: string): Promise<string | undefined> {
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return Promise.resolve(this._getScriptText(fileName));
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}
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_getScriptText(fileName: string): string | undefined {
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let text: string;
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let model = this._getModel(fileName);
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if (model) {
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// a true editor model
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text = model.getValue();
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} else if (fileName in libFileMap) {
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text = libFileMap[fileName];
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} else if (fileName in this._extraLibs) {
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// extra lib
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text = this._extraLibs[fileName].content;
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} else {
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return;
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}
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return text;
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}
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getScriptSnapshot(fileName: string): ts.IScriptSnapshot | undefined {
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const text = this._getScriptText(fileName);
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if (text === undefined) {
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return;
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}
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return <ts.IScriptSnapshot>{
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getText: (start, end) => text.substring(start, end),
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getLength: () => text.length,
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getChangeRange: () => undefined
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};
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}
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getScriptKind?(fileName: string): ts.ScriptKind {
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const suffix = fileName.substr(fileName.lastIndexOf('.') + 1);
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switch (suffix) {
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case 'ts':
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return ts.ScriptKind.TS;
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case 'tsx':
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return ts.ScriptKind.TSX;
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case 'js':
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return ts.ScriptKind.JS;
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case 'jsx':
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return ts.ScriptKind.JSX;
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default:
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return this.getCompilationSettings().allowJs
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? ts.ScriptKind.JS
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: ts.ScriptKind.TS;
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}
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}
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getCurrentDirectory(): string {
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return '';
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}
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getDefaultLibFileName(options: ts.CompilerOptions): string {
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switch (options.target) {
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case 99 /* ESNext */:
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const esnext = 'lib.esnext.full.d.ts';
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if (esnext in libFileMap || esnext in this._extraLibs) return esnext;
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case 7 /* ES2020 */:
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case 6 /* ES2019 */:
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case 5 /* ES2018 */:
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case 4 /* ES2017 */:
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case 3 /* ES2016 */:
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case 2 /* ES2015 */:
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default:
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// Support a dynamic lookup for the ES20XX version based on the target
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// which is safe unless TC39 changes their numbering system
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const eslib = `lib.es${2013 + (options.target || 99)}.full.d.ts`;
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// Note: This also looks in _extraLibs, If you want
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// to add support for additional target options, you will need to
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// add the extra dts files to _extraLibs via the API.
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if (eslib in libFileMap || eslib in this._extraLibs) {
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return eslib;
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}
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return 'lib.es6.d.ts'; // We don't use lib.es2015.full.d.ts due to breaking change.
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case 1:
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case 0:
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return 'lib.d.ts';
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}
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}
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isDefaultLibFileName(fileName: string): boolean {
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return fileName === this.getDefaultLibFileName(this._compilerOptions);
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}
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getLibFiles(): Promise<Record<string, string>> {
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return Promise.resolve(libFileMap);
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}
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// --- language features
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private static clearFiles(diagnostics: ts.Diagnostic[]): Diagnostic[] {
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// Clear the `file` field, which cannot be JSON'yfied because it
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// contains cyclic data structures.
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diagnostics.forEach((diag) => {
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diag.file = undefined;
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const related = <ts.Diagnostic[]>diag.relatedInformation;
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if (related) {
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related.forEach((diag2) => (diag2.file = undefined));
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}
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});
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return <Diagnostic[]>diagnostics;
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}
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getSyntacticDiagnostics(fileName: string): Promise<Diagnostic[]> {
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const diagnostics = this._languageService.getSyntacticDiagnostics(fileName);
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return Promise.resolve(TypeScriptWorker.clearFiles(diagnostics));
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}
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getSemanticDiagnostics(fileName: string): Promise<Diagnostic[]> {
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const diagnostics = this._languageService.getSemanticDiagnostics(fileName);
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return Promise.resolve(TypeScriptWorker.clearFiles(diagnostics));
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}
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getSuggestionDiagnostics(fileName: string): Promise<Diagnostic[]> {
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const diagnostics = this._languageService.getSuggestionDiagnostics(
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fileName
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);
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return Promise.resolve(TypeScriptWorker.clearFiles(diagnostics));
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}
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getCompilerOptionsDiagnostics(fileName: string): Promise<Diagnostic[]> {
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const diagnostics = this._languageService.getCompilerOptionsDiagnostics();
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return Promise.resolve(TypeScriptWorker.clearFiles(diagnostics));
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}
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getCompletionsAtPosition(
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fileName: string,
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position: number
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): Promise<ts.CompletionInfo | undefined> {
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return Promise.resolve(
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this._languageService.getCompletionsAtPosition(
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fileName,
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position,
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undefined
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)
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);
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}
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getCompletionEntryDetails(
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fileName: string,
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position: number,
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entry: string
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): Promise<ts.CompletionEntryDetails | undefined> {
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return Promise.resolve(
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this._languageService.getCompletionEntryDetails(
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fileName,
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position,
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entry,
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undefined,
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undefined,
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undefined
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)
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);
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}
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getSignatureHelpItems(
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fileName: string,
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position: number
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): Promise<ts.SignatureHelpItems | undefined> {
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return Promise.resolve(
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this._languageService.getSignatureHelpItems(fileName, position, undefined)
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);
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}
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getQuickInfoAtPosition(
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fileName: string,
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position: number
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): Promise<ts.QuickInfo | undefined> {
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return Promise.resolve(
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this._languageService.getQuickInfoAtPosition(fileName, position)
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);
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}
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getOccurrencesAtPosition(
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fileName: string,
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position: number
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): Promise<ReadonlyArray<ts.ReferenceEntry> | undefined> {
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return Promise.resolve(
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this._languageService.getOccurrencesAtPosition(fileName, position)
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);
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}
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getDefinitionAtPosition(
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fileName: string,
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position: number
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): Promise<ReadonlyArray<ts.DefinitionInfo> | undefined> {
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return Promise.resolve(
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this._languageService.getDefinitionAtPosition(fileName, position)
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);
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}
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getReferencesAtPosition(
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fileName: string,
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position: number
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): Promise<ts.ReferenceEntry[] | undefined> {
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return Promise.resolve(
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this._languageService.getReferencesAtPosition(fileName, position)
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);
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}
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getNavigationBarItems(fileName: string): Promise<ts.NavigationBarItem[]> {
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return Promise.resolve(
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this._languageService.getNavigationBarItems(fileName)
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);
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}
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getFormattingEditsForDocument(
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fileName: string,
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options: ts.FormatCodeOptions
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): Promise<ts.TextChange[]> {
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return Promise.resolve(
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this._languageService.getFormattingEditsForDocument(fileName, options)
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);
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}
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getFormattingEditsForRange(
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fileName: string,
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start: number,
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end: number,
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options: ts.FormatCodeOptions
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): Promise<ts.TextChange[]> {
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return Promise.resolve(
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this._languageService.getFormattingEditsForRange(
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fileName,
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start,
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end,
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options
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)
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);
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}
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getFormattingEditsAfterKeystroke(
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fileName: string,
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postion: number,
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ch: string,
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options: ts.FormatCodeOptions
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): Promise<ts.TextChange[]> {
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return Promise.resolve(
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this._languageService.getFormattingEditsAfterKeystroke(
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fileName,
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postion,
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ch,
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options
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)
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);
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}
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findRenameLocations(
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fileName: string,
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position: number,
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findInStrings: boolean,
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findInComments: boolean,
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providePrefixAndSuffixTextForRename: boolean
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): Promise<readonly ts.RenameLocation[] | undefined> {
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return Promise.resolve(
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this._languageService.findRenameLocations(
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fileName,
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position,
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findInStrings,
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findInComments,
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providePrefixAndSuffixTextForRename
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)
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);
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}
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getRenameInfo(
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fileName: string,
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position: number,
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options: ts.RenameInfoOptions
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): Promise<ts.RenameInfo> {
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return Promise.resolve(
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this._languageService.getRenameInfo(fileName, position, options)
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);
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}
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getEmitOutput(fileName: string): Promise<ts.EmitOutput> {
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return Promise.resolve(this._languageService.getEmitOutput(fileName));
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}
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getCodeFixesAtPosition(
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fileName: string,
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start: number,
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end: number,
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errorCodes: number[],
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formatOptions: ts.FormatCodeOptions
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): Promise<ReadonlyArray<ts.CodeFixAction>> {
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const preferences = {};
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return Promise.resolve(
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this._languageService.getCodeFixesAtPosition(
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fileName,
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start,
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end,
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errorCodes,
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formatOptions,
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preferences
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)
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);
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}
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updateExtraLibs(extraLibs: IExtraLibs) {
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this._extraLibs = extraLibs;
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}
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}
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export interface ICreateData {
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compilerOptions: ts.CompilerOptions;
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extraLibs: IExtraLibs;
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customWorkerPath?: string;
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}
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/** The shape of the factory */
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export interface CustomTSWebWorkerFactory {
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(
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TSWorkerClass: typeof TypeScriptWorker,
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tsc: typeof ts,
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libs: Record<string, string>
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): typeof TypeScriptWorker;
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}
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declare global {
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var importScripts: (path: string) => void | undefined;
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var customTSWorkerFactory: CustomTSWebWorkerFactory | undefined;
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}
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export function create(
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ctx: worker.IWorkerContext,
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createData: ICreateData
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): TypeScriptWorker {
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let TSWorkerClass = TypeScriptWorker;
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if (createData.customWorkerPath) {
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if (typeof importScripts === 'undefined') {
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console.warn(
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'Monaco is not using webworkers for background tasks, and that is needed to support the customWorkerPath flag'
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);
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} else {
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importScripts(createData.customWorkerPath);
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const workerFactoryFunc: CustomTSWebWorkerFactory | undefined =
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self.customTSWorkerFactory;
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if (!workerFactoryFunc) {
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throw new Error(
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`The script at ${createData.customWorkerPath} does not add customTSWorkerFactory to self`
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);
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}
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TSWorkerClass = workerFactoryFunc(TypeScriptWorker, ts, libFileMap);
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}
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}
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return new TSWorkerClass(ctx, createData);
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}
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