lean_ctx/tools/
ctx_heatmap.rs1use crate::core::gain::GainEngine;
2use crate::core::heatmap;
3
4pub fn handle(action: &str, _path: Option<&str>) -> String {
5 let engine = GainEngine::load();
6
7 match action {
8 "directory" | "dirs" => heatmap::format_directory_summary(&engine.heatmap),
9 "cold" => {
10 let all = collect_project_files(_path);
11 let cold = engine.heatmap.cold_files(&all, 20);
12 if cold.is_empty() {
13 "No cold files found (all files have been accessed).".to_string()
14 } else {
15 let mut lines = vec![format!(
16 "Cold files (never accessed, {} total):",
17 cold.len()
18 )];
19 for f in &cold {
20 lines.push(format!(" {f}"));
21 }
22 lines.join("\n")
23 }
24 }
25 "json" => {
26 serde_json::to_string_pretty(&engine.heatmap).unwrap_or_else(|_| "{}".to_string())
27 }
28 _ => heatmap::format_heatmap_status(&engine.heatmap, 20),
29 }
30}
31
32fn collect_project_files(path: Option<&str>) -> Vec<String> {
33 let root = path.unwrap_or(".");
34 let mut files = Vec::new();
35 let walker = walkdir::WalkDir::new(root)
36 .max_depth(5)
37 .into_iter()
38 .filter_entry(|e| {
39 let name = e.file_name().to_string_lossy();
40 !name.starts_with('.')
41 && name != "node_modules"
42 && name != "target"
43 && name != "dist"
44 && name != "__pycache__"
45 && name != ".git"
46 });
47 for entry in walker.flatten() {
48 if entry.file_type().is_file()
49 && let Some(ext) = entry.path().extension().and_then(|e| e.to_str())
50 && is_source_ext(ext)
51 {
52 files.push(entry.path().to_string_lossy().to_string());
53 }
54 }
55 files
56}
57
58fn is_source_ext(ext: &str) -> bool {
59 matches!(
60 ext,
61 "rs" | "ts"
62 | "tsx"
63 | "js"
64 | "jsx"
65 | "py"
66 | "go"
67 | "java"
68 | "c"
69 | "cpp"
70 | "h"
71 | "rb"
72 | "cs"
73 | "kt"
74 | "swift"
75 | "php"
76 | "svelte"
77 | "vue"
78 )
79}