1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
use super::*;
use dprint_core::*;
use dprint_core::configuration::{resolve_new_line_kind};
use super::configuration::Configuration;
use swc_common::{BytePos, comments::{Comment}};
pub fn format_text(file_path: &str, file_text: &str, config: &Configuration) -> Result<Option<String>, String> {
return swc_common::GLOBALS.set(&swc_common::Globals::new(), || {
let mut parsed_source_file = parse_swc_ast(&file_path, &file_text)?;
if !should_format_file(&mut parsed_source_file) {
return Ok(None);
}
let print_items = parse(parsed_source_file, config.clone());
Ok(Some(print(print_items, PrintOptions {
indent_width: config.indent_width,
max_width: config.line_width,
use_tabs: config.use_tabs,
new_line_text: resolve_new_line_kind(file_text, &config.new_line_kind),
})))
});
fn should_format_file(file: &mut ParsedSourceFile) -> bool {
return if file.module.body.is_empty() {
should_format_based_on_comments(file.trailing_comments.get(&BytePos(0)))
} else {
should_format_based_on_comments(file.leading_comments.get(&get_search_position(&file)))
};
fn should_format_based_on_comments(comments: Option<&Vec<Comment>>) -> bool {
if let Some(comments) = comments {
for comment in comments.iter() {
if comment.text.contains("dprint-ignore-file") {
return false;
}
}
}
return true;
}
fn get_search_position(file: &ParsedSourceFile) -> BytePos {
if let Some(first_statement) = file.module.body.get(0) {
first_statement.lo()
} else {
BytePos(0)
}
}
}
}