blob: aede7ba634a33b895b77c898c02fe073858528b4 (
plain)
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
|
use ansi_term::Color;
use std::fs::{self, DirEntry};
use std::process::Command;
use super::Segment;
use crate::context::Context;
/// Creates a segment with the current Node.js version
///
/// Will display the Node.js version if any of the following criteria are met:
/// - Current directory contains a `.js` file
/// - Current directory contains a `node_modules` directory
/// - Current directory contains a `package.json` file
pub fn segment(context: &Context) -> Option<Segment> {
const NODE_CHAR: &str = "⬢";
const SECTION_COLOR: Color = Color::Green;
let mut segment = Segment::new("node");
let current_dir = &context.current_dir;
let files = fs::read_dir(current_dir).unwrap();
// Early return if there are no JS project files
let is_js_project = files.filter_map(Result::ok).any(has_js_files);
if !is_js_project {
return None;
}
match Command::new("node").arg("--version").output() {
Ok(output) => {
let version = String::from_utf8(output.stdout).unwrap();
segment.set_value(format!("{} {}", NODE_CHAR, version.trim()))
}
Err(_) => {
return None;
}
};
segment.set_style(SECTION_COLOR);
Some(segment)
}
fn has_js_files(dir_entry: DirEntry) -> bool {
let is_js_file = |d: &DirEntry| -> bool {
d.path().is_file() && d.path().extension().unwrap_or_default() == "js"
};
let is_node_modules = |d: &DirEntry| -> bool {
d.path().is_dir() && d.path().file_name().unwrap_or_default() == "node_modules"
};
let is_package_json = |d: &DirEntry| -> bool {
d.path().is_file() && d.path().file_name().unwrap_or_default() == "package.json"
};
is_js_file(&dir_entry) || is_node_modules(&dir_entry) || is_package_json(&dir_entry)
}
|
