Class InMemoryDataStore

packages/foam-cli/src/test/test-utils.ts:18–62

Logger.setLevel('error');

export class InMemoryDataStore implements IDataStore {
  private files = new Map<string, string>();

  set(uri: URI, content: string): void {
    this.files.set(uri.path, content);
  }

  async delete(uri: URI): Promise<void> {
    this.files.delete(uri.path);
  }

  clear(): void {
    this.files.clear();
  }

  async list(pattern?: string): Promise<URI[]> {
    const paths = Array.from(this.files.keys());
    if (!pattern) {
      return paths.map(p => URI.parse(p, 'file'));
    }
    const matched = micromatch(paths, [`**/${pattern}`]);
    return matched.map(p => URI.parse(p, 'file'));
  }

  async read(uri: URI): Promise<string | null> {
    return this.files.get(uri.path) ?? null;
  }

  async write(uri: URI, content: string): Promise<void> {
    this.files.set(uri.path, content);
  }

  async move(from: URI, to: URI): Promise<void> {
    const content = this.files.get(from.path);
    if (content === undefined) {
      throw new Error(`Source file not found: ${from.path}`);
    }
    this.files.delete(from.path);
    this.files.set(to.path, content);
  }

  async exists(uri: URI): Promise<boolean> {
    return this.files.has(uri.path);
  }
}

const position = Range.create(0, 0, 0, 100);