hni 0.0.2

ni-compatible package manager command router with node shim
Documentation 
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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152

use std::{ffi::OsStr, path::Path};

use crate::{
    core::{
        config::{DefaultAgent, HniConfig, RunAgent},
        detect::detect,
        types::DetectionSource,
    },
    platform::node::resolve_real_node_path,
};

pub fn print_doctor(cwd: &Path, config: &HniConfig) {
    let current_hni = std::env::current_exe()
        .ok()
        .map(|path| path.canonicalize().unwrap_or(path));
    let path_node = which::which("node").ok();
    let resolved_real_node = resolve_real_node_path().ok();

    println!("hni doctor");
    println!();
    println!("cwd: {}", cwd.display());
    println!(
        "current_hni: {}",
        current_hni
            .as_ref()
            .map_or_else(|| "unavailable".to_string(), |p| p.display().to_string())
    );
    println!(
        "path_node: {}",
        path_node
            .as_ref()
            .map_or_else(|| "missing".to_string(), |p| p.display().to_string())
    );
    println!(
        "real_node: {}",
        resolved_real_node
            .as_ref()
            .map_or_else(|| "unavailable".to_string(), |p| p.display().to_string())
    );
    println!(
        "shim_precedence_active: {}",
        shim_precedence_active(current_hni.as_deref(), path_node.as_deref())
    );
    println!();
    println!(
        "config_file: {}",
        config
            .config_path
            .as_ref()
            .map_or_else(|| "none".to_string(), |p| p.display().to_string())
    );
    println!(
        "defaultAgent: {}",
        format_default_agent(config.default_agent)
    );
    println!("globalAgent: {}", config.global_agent.display_name());
    println!("runAgent: {}", format_run_agent(config.run_agent));
    println!("useSfw: {}", config.use_sfw);
    println!("autoInstall(env): {}", config.auto_install);
    println!();

    match detect(cwd, config) {
        Ok(detection) => {
            println!(
                "detected_agent: {}",
                detection
                    .agent
                    .map_or_else(|| "none".to_string(), |pm| pm.display_name().to_string())
            );
            println!(
                "detection_source: {}",
                detection_source_label(detection.source)
            );
            println!("has_lockfile: {}", detection.has_lock);
            if let Some(version_hint) = detection.version_hint {
                println!("version_hint: {version_hint}");
            }
        }
        Err(err) => {
            println!("detection_error: {err}");
        }
    }

    println!();
    println!("package_manager_binaries:");
    for (label, bin) in [
        ("npm", "npm"),
        ("yarn", "yarn"),
        ("pnpm", "pnpm"),
        ("bun", "bun"),
        ("deno", "deno"),
    ] {
        let state = if which::which(bin).is_ok() {
            "ok"
        } else {
            "missing"
        };
        println!("  {label:<5} {state}");
    }
}

fn shim_precedence_active(current_hni: Option<&Path>, path_node: Option<&Path>) -> bool {
    let (Some(current_hni), Some(path_node)) = (current_hni, path_node) else {
        return false;
    };

    let Some(node_dir) = path_node.parent() else {
        return false;
    };
    let Some(hni_dir) = current_hni.parent() else {
        return false;
    };
    if !paths_equal(node_dir, hni_dir) {
        return false;
    }

    matches!(
        path_node.file_name().and_then(OsStr::to_str),
        Some("node") | Some("node.exe")
    )
}

fn paths_equal(a: &Path, b: &Path) -> bool {
    match (a.canonicalize(), b.canonicalize()) {
        (Ok(a), Ok(b)) => a == b,
        _ => a == b,
    }
}

fn format_default_agent(value: DefaultAgent) -> &'static str {
    match value {
        DefaultAgent::Prompt => "prompt",
        DefaultAgent::Agent(pm) => pm.display_name(),
    }
}

fn format_run_agent(value: RunAgent) -> &'static str {
    match value {
        RunAgent::PackageManager => "package-manager",
        RunAgent::Node => "node",
    }
}

fn detection_source_label(value: DetectionSource) -> &'static str {
    match value {
        DetectionSource::PackageManagerField => "packageManager field",
        DetectionSource::Lockfile => "lockfile",
        DetectionSource::Config => "config defaultAgent",
        DetectionSource::Fallback => "fallback (npm in PATH)",
        DetectionSource::None => "none",
    }
}