63 lines
2.1 KiB
TypeScript
63 lines
2.1 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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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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import * as ts from 'typescript';
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import * as path from 'path';
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export class StaticLanguageServiceHost implements ts.LanguageServiceHost {
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private readonly _cmdLine: ts.ParsedCommandLine;
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private readonly _scriptSnapshots: Map<string, ts.IScriptSnapshot> = new Map();
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constructor(readonly projectPath: string) {
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const existingOptions: Partial<ts.CompilerOptions> = {};
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const parsed = ts.readConfigFile(projectPath, ts.sys.readFile);
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if (parsed.error) {
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throw parsed.error;
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}
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this._cmdLine = ts.parseJsonConfigFileContent(parsed.config, ts.sys, path.dirname(projectPath), existingOptions);
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if (this._cmdLine.errors.length > 0) {
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throw parsed.error;
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}
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}
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getCompilationSettings(): ts.CompilerOptions {
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return this._cmdLine.options;
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}
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getScriptFileNames(): string[] {
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return this._cmdLine.fileNames;
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}
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getScriptVersion(_fileName: string): string {
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return '1';
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}
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getProjectVersion(): string {
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return '1';
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}
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getScriptSnapshot(fileName: string): ts.IScriptSnapshot | undefined {
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let result: ts.IScriptSnapshot | undefined = this._scriptSnapshots.get(fileName);
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if (result === undefined) {
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const content = ts.sys.readFile(fileName);
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if (content === undefined) {
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return undefined;
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}
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result = ts.ScriptSnapshot.fromString(content);
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this._scriptSnapshots.set(fileName, result);
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}
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return result;
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}
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getCurrentDirectory(): string {
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return path.dirname(this.projectPath);
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}
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getDefaultLibFileName(options: ts.CompilerOptions): string {
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return ts.getDefaultLibFilePath(options);
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}
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directoryExists = ts.sys.directoryExists;
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getDirectories = ts.sys.getDirectories;
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fileExists = ts.sys.fileExists;
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readFile = ts.sys.readFile;
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readDirectory = ts.sys.readDirectory;
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// this is necessary to make source references work.
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realpath = ts.sys.realpath;
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}
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