Handle no files being passed

[iTrooz]

The hook currently forces files to be passed to it (

cspell-cli/.pre-commit-hooks.yaml

Line 16 in ea11f9e

- --files # this needs to be the last argument so that the paths are passed correctly.

), but this fail when the hook is configured to always run and there are no files staged. In this case, you get:

TypeError: files.flatMap is not a function
    at mergeFiles (file:///home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/cspell/dist/esm/application-Ck3Auwvx.js:3159:27)
    at new LintRequest (file:///home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/cspell/dist/esm/application-Ck3Auwvx.js:3141:16)
    at lint (file:///home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/cspell/dist/esm/application-Ck3Auwvx.js:3377:17)
    at Command.action (file:///home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/cspell/dist/esm/app.js:371:23)
    at Command.listener [as _actionHandler] (/home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/commander/lib/command.js:568:17)
    at /home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/commander/lib/command.js:1604:14
    at Command._chainOrCall (/home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/commander/lib/command.js:1488:12)
    at Command._parseCommand (/home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/commander/lib/command.js:1603:27)
    at /home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/commander/lib/command.js:1367:27
    at Command._chainOrCall (/home/itrooz/.cache/pre-commit/repovjx7nk1h/node_env-system/lib/node_modules/cspell-cli/node_modules/commander/lib/command.js:1488:12)

For anyone having the issue, I fixed it by overriding args:

# .pre-commit-config.yaml
repos:
  - repo: https://github.com/streetsidesoftware/cspell-cli
    rev: v10.0.1
    hooks:
      - id: cspell
        always_run: true
        pass_filenames: false
        args:
          - --no-must-find-files
          - --no-progress
          - --no-summary
          - --gitignore
          - .