css_variable_lsp/
document_kind.rs

1use std::collections::HashMap;
2
3use crate::types::Config;
4
5#[derive(Debug, Clone, Default, serde::Deserialize)]
6#[serde(rename_all = "camelCase")]
7pub struct ClientConfigPatch {
8    pub lookup_files: Option<Vec<String>>,
9    pub ignore_globs: Option<Vec<String>>,
10    pub enable_color_provider: Option<bool>,
11    pub color_only_on_variables: Option<bool>,
12}
13
14pub fn apply_config_patch(mut base: Config, patch: ClientConfigPatch) -> Config {
15    if let Some(lookup_files) = patch.lookup_files {
16        base.lookup_files = lookup_files;
17    }
18    if let Some(ignore_globs) = patch.ignore_globs {
19        base.ignore_globs = ignore_globs;
20    }
21    if let Some(enable_color_provider) = patch.enable_color_provider {
22        base.enable_color_provider = enable_color_provider;
23    }
24    if let Some(color_only_on_variables) = patch.color_only_on_variables {
25        base.color_only_on_variables = color_only_on_variables;
26    }
27    base
28}
29
30#[derive(Debug, Clone, Copy, PartialEq, Eq)]
31pub enum DocumentKind {
32    Css,
33    Html,
34    Js,
35}
36
37fn is_html_like_extension(ext: &str) -> bool {
38    matches!(ext, ".html" | ".vue" | ".svelte" | ".astro" | ".ripple")
39}
40
41pub fn is_js_like_extension(ext: &str) -> bool {
42    matches!(
43        ext,
44        ".js" | ".jsx" | ".ts" | ".tsx" | ".mjs" | ".cjs" | ".mts" | ".cts"
45    )
46}
47
48pub fn language_id_kind(language_id: &str) -> Option<DocumentKind> {
49    match language_id.to_lowercase().as_str() {
50        "html" | "vue" | "svelte" | "astro" | "ripple" => Some(DocumentKind::Html),
51        "css" | "scss" | "sass" | "less" => Some(DocumentKind::Css),
52        "javascript" | "javascriptreact" | "typescript" | "typescriptreact" | "js" | "jsx"
53        | "ts" | "tsx" => Some(DocumentKind::Js),
54        _ => None,
55    }
56}
57
58pub(crate) fn normalize_extension(ext: &str) -> Option<String> {
59    let trimmed = ext.trim().trim_start_matches('.');
60    if trimmed.is_empty() {
61        return None;
62    }
63    Some(format!(".{}", trimmed.to_lowercase()))
64}
65
66fn extract_extensions(pattern: &str) -> Vec<String> {
67    let pattern = pattern.trim();
68    if let (Some(start), Some(end)) = (pattern.find('{'), pattern.find('}')) {
69        if end > start + 1 {
70            let inner = &pattern[start + 1..end];
71            return inner.split(',').filter_map(normalize_extension).collect();
72        }
73    }
74
75    let ext = std::path::Path::new(pattern)
76        .extension()
77        .and_then(|ext| ext.to_str());
78    ext.and_then(normalize_extension).into_iter().collect()
79}
80
81pub fn build_lookup_extension_map(lookup_files: &[String]) -> HashMap<String, DocumentKind> {
82    let mut map = HashMap::new();
83    for pattern in lookup_files {
84        for ext in extract_extensions(pattern) {
85            let kind = if is_html_like_extension(&ext) {
86                DocumentKind::Html
87            } else if is_js_like_extension(&ext) {
88                DocumentKind::Js
89            } else {
90                DocumentKind::Css
91            };
92            map.insert(ext, kind);
93        }
94    }
95    map
96}
97
98pub fn resolve_document_kind(
99    path: &str,
100    language_id: Option<&str>,
101    lookup_extension_map: &HashMap<String, DocumentKind>,
102) -> Option<DocumentKind> {
103    if let Some(language_id) = language_id {
104        if let Some(kind) = language_id_kind(language_id) {
105            return Some(kind);
106        }
107    }
108
109    let ext = std::path::Path::new(path)
110        .extension()
111        .and_then(|ext| ext.to_str())
112        .and_then(normalize_extension)?;
113
114    if let Some(kind) = lookup_extension_map.get(&ext).copied() {
115        return Some(kind);
116    }
117
118    // Fallback: recognize well-known JS extensions even without lookup_files config
119    if is_js_like_extension(&ext) {
120        return Some(DocumentKind::Js);
121    }
122
123    None
124}
css_variable_lsp/document_kind.rs

css_variable_lsp/
document_kind.rs
