Autofix for "require-valid-file-annotation" inserts flow comment above hashbang

[callumlocke]

If you have a self-executable Node.js file, which starts with a Unix hashbang like #!/usr/bin/env node, and you run eslint . --fix (with flowtype/require-valid-file-annotation set to always), it inserts a // @flow comment on the top line above the hashbang, resulting in broken syntax.

In files that start with #!, this first line can never have abnything inserted before it. The actual JavaScript content effectively starts on the second line in these kind of files.

[gajus]

🎉 This issue has been resolved in version 5.0.2 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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