Class NpmScriptLenProvider

valdi/vscode_debugger/src/ui/npmScriptLens.ts:32–157

 * npm script, or the npm scripts section.
 */
export class NpmScriptLenProvider implements CodeLensProvider, IDisposable {
  private lensLocation = getFreshLensLocation();
  private changeEmitter = new EventEmitter<void>();
  private subscriptions: IDisposable[] = [];

  /**
   * @inheritdoc
   */
  public onDidChangeCodeLenses = this.changeEmitter.event;

  constructor() {
    this.subscriptions.push(
      workspace.onDidChangeConfiguration(evt => {
        if (evt.affectsConfiguration(Configuration.NpmScriptLens)) {
          this.lensLocation = getFreshLensLocation();
          this.changeEmitter.fire();
        }
      }),
    );
  }

  /**
   * @inheritdoc
   */
  public provideCodeLenses(document: TextDocument): ProviderResult<CodeLens[]> {
    if (this.lensLocation === 'never') {
      return [];
    }

    const tokens = this.tokenizeScripts(document);
    if (!tokens) {
      return [];
    }

    const title = localize('codelens.debug', '{0} Debug', '$(debug-start)');
    const cwd = path.dirname(document.uri.fsPath);
    if (this.lensLocation === 'top') {
      return [
        new CodeLens(
          new Range(tokens.scriptStart, tokens.scriptStart),
          asCommand({
            title,
            command: Commands.DebugNpmScript,
            arguments: [cwd],
          }),
        ),
      ];
    }

    if (this.lensLocation === 'all') {
      const workspaceFolder = workspace.getWorkspaceFolder(document.uri);
      return tokens.scripts.map(
        ({ name, position }) =>
          new CodeLens(
            new Range(position, position),
            asCommand({
              title,
              command: Commands.CreateDebuggerTerminal,