harper_core/linting/
long_sentences.rs

1use super::{Lint, LintKind, Linter};
2use crate::TokenStringExt;
3use crate::{Document, Span};
4
5/// Detect and warn that the sentence is too long.
6#[derive(Debug, Clone, Copy, Default)]
7pub struct LongSentences;
8
9impl Linter for LongSentences {
10    fn lint(&mut self, document: &Document) -> Vec<Lint> {
11        let mut output = Vec::new();
12
13        for sentence in document.iter_sentences() {
14            let word_count = sentence.iter_words().count();
15
16            if word_count > 40 {
17                output.push(Lint {
18                    span: Span::new(
19                        sentence.first_word().unwrap().span.start,
20                        sentence.last().unwrap().span.end,
21                    ),
22                    lint_kind: LintKind::Readability,
23                    message: format!("This sentence is {word_count} words long."),
24                    ..Default::default()
25                })
26            }
27        }
28
29        output
30    }
31
32    fn description(&self) -> &'static str {
33        "This rule looks for run-on sentences, which can make your work harder to grok."
34    }
35}
harper_core/linting/long_sentences.rs

harper_core/linting/
long_sentences.rs
