Class DefaultBrowserProvider

src/common/defaultBrowserProvider.ts:30–55

@injectable()
export class DefaultBrowserProvider implements IDefaultBrowserProvider {
  constructor(
    @inject(ExtensionLocation) private readonly location: ExtensionLocation,
    @optional() @inject(VSCodeApi) private readonly vscode?: typeof vscodeType,
  ) {}

  /**
   * Cache the result of this function. This adds a few milliseconds
   * (subprocesses out on all platforms) and people rarely change their
   * default browser.
   * @inheritdoc
   */
  public lookup = once(async () => {
    let name: string;
    if (this.location === 'remote' && this.vscode) {
      name = await this.vscode.commands.executeCommand('js-debug-companion.defaultBrowser');
    } else {
      name = (await import('default-browser').then(d => d.default())).name;
    }

    const match = [DefaultBrowser.Chrome, DefaultBrowser.Edge].find(browser =>
      name.toLowerCase().includes(browser)
    );
    return match ?? DefaultBrowser.Other;
  });
}