Function findScripts

src/ui/debugNpmScript.ts:92–187

(
  inFolders: (vscode.WorkspaceFolder | string)[] | undefined,
  silent = false,
)

 * Finds configured npm scripts in the workspace.
 */
export async function findScripts(
  inFolders: (vscode.WorkspaceFolder | string)[] | undefined,
  silent = false,
): Promise<IScript[] | undefined> {
  const folders = inFolders ?? vscode.workspace.workspaceFolders ?? [];

  // 1. If there are no open folders, show an error and abort.
  if (!folders || folders.length === 0) {
    if (!silent) {
      vscode.window.showErrorMessage(
        l10n.t('You need to open a workspace folder to debug npm scripts.'),
      );
    }
    return;
  }

  // Otherwise, go through all package.json's in the folder and pull all the npm scripts we find.
  const candidates = (
    await Promise.all(
      folders.map(f =>
        vscode.workspace.findFiles(
          new vscode.RelativePattern(f, '**/package.json'),
          // matches https://github.com/microsoft/vscode/blob/18f743d534ef3f528c5e81e82e695b87c60d2ebf/extensions/npm/src/tasks.ts#L189
          '**/{node_modules,.vscode-test}/**',
        )
      ),
    )
  ).flat();

  if (candidates.length === 0) {
    if (!silent) {
      vscode.window.showErrorMessage(l10n.t('No package.json files found in your workspace.'));
    }
    return;
  }

  const scripts: IScript[] = [];

  // editCandidate is the file we'll edit if we don't find any npm scripts.
  // We 'narrow' this as we parse to files that look more like a package.json we want
  let editCandidate: IEditCandidate = { path: candidates[0].fsPath, score: 0 };
  for (const { fsPath } of new Set(candidates)) {
    // update this now, because we know it exists
    editCandidate = updateEditCandidate(editCandidate, {
      path: fsPath,
      score: 1,
    });

    let parsed: { scripts?: { [key: string]: string } };
    try {
      parsed = JSON.parse(await readfile(fsPath));
    } catch (e) {
      if (!silent) {
        promptToOpen(
          'showWarningMessage',
          l10n.t('Could not read {0}: {1}', fsPath, e.message),
          fsPath,
        );