Remove empty strings when converting to f-string (UP032)
#11524
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dhruvmanila
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May 24, 2024
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| if !lexer::lex_starts_at(rest, Mode::Expression, prev_end) | ||
| .flatten() | ||
| .all(|(token, _)| match token { | ||
| Tok::Comment(_) | Tok::Newline | Tok::NonLogicalNewline | Tok::Indent | Tok::Dedent => { | ||
| true | ||
| for (range, conversion) in patches { | ||
| let fstring = match conversion { | ||
| FStringConversion::Convert(fstring) => Some(fstring), | ||
| FStringConversion::EmptyLiteral => None, | ||
| FStringConversion::Literal => { | ||
| // Convert escaped curly brackets e.g. `{{` to `{` in literal string parts | ||
| Some(curly_unescape(checker.locator().slice(range)).to_string()) | ||
| } | ||
| Tok::String { value, .. } => value.is_empty(), | ||
| _ => false, | ||
| }) |
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The main reason for this PR is to remove this little lexer usage which uses the owned data from String token.
|
snowsignal
approved these changes
May 24, 2024
dhruvmanila
changed the title
UP032)
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Summary
This PR brings back the functionality to remove empty strings when converting to an f-string in
UP032.For context, #8712 added this functionality to remove trailing empty strings but it got removed in #8697 possibly unexpectedly so.
There's one difference which is that this PR will remove any empty strings and not just trailing ones. For example,
Test Plan
Run
cargo insta testand update the snapshots.