Function createHost

packages/language-service/test/legacy/mock_host.ts:117–145

(configFileFs: MockConfigFileFs)

}

function createHost(configFileFs: MockConfigFileFs): ts.server.ServerHost {
  return {
    ...ts.sys,
    fileExists(absPath: string): boolean {
      return configFileFs.fileExists(absPath);
    },
    readFile(absPath: string, encoding?: string): string | undefined {
      return configFileFs.readFile(absPath, encoding);
    },
    watchFile(path: string, callback: ts.FileWatcherCallback): ts.FileWatcher {
      return configFileFs.watchFile(path, callback);
    },
    watchDirectory(path: string, callback: ts.DirectoryWatcherCallback): ts.FileWatcher {
      return NOOP_FILE_WATCHER;
    },
    setTimeout(callback: (...args: any[]) => void, delay: number, ...args: any[]) {
      return setTimeout(callback, delay, ...args);
    },
    clearTimeout(id: any) {
      clearTimeout(id);
    },
    setImmediate() {
      throw new Error('setImmediate is not implemented');
    },
    clearImmediate() {
      throw new Error('clearImmediate is not implemented');
    },
  };
}

/**
 * Create a ConfiguredProject and an actual program for the test project located