d97b7898b3
Currently, empty and whitespace-only (with or without newlines) are not modified. In some discussions (issues and pull requests) consensus was to reformat whitespace-only files to empty or single-character files, preserving line endings when possible. With that said, this commit introduces the following behaviors: * Empty files are left as is * Whitespace-only files (no newline) reformat into empty files * Whitespace-only files (1 or more newlines) reformat into a single newline character To implement these changes, we moved the initial check at `format_file_contents` that raises `NothingChanged` if the source (with no whitespaces) is an empty string. In the case of *.ipynb files, `format_ipynb_string` checks a similar condition and removed whitespaces. In the case of Python files, `format_str_once` includes a check on the output that returns the correct newline character if possible or an empty string otherwise. Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
7 lines
27 B
Python
7 lines
27 B
Python
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# output
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