74 lines
2.1 KiB
Rust
74 lines
2.1 KiB
Rust
use super::Segment;
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use ansi_term::{Color, Style};
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use clap::ArgMatches;
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use std::env;
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use std::fs::{self, DirEntry};
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use std::process::Command;
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/// Creates a segment with the current Node.js version
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pub fn segment(_: &ArgMatches) -> Segment {
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const NODE_CHAR: &str = "⬢ ";
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const SECTION_COLOR: Color = Color::Green;
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let current_path = env::current_dir().expect("Unable to identify current directory");
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let files = fs::read_dir(¤t_path).unwrap();
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let is_js_project = files.filter_map(Result::ok).any(has_js_files);
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if is_js_project {
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return Segment::default();
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}
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let version = match Command::new("node").arg("--version").output() {
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Ok(output) => String::from_utf8(output.stdout).unwrap().trim().to_string(),
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Err(_) => {
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return Segment::default();
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}
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};
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Segment {
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value: format!("{}{}", NODE_CHAR, version),
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style: Style::from(SECTION_COLOR),
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..Default::default()
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}
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}
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fn has_js_files(dir_entry: DirEntry) -> bool {
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let is_js_file =
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|d: &DirEntry| d.path().is_file() && d.path().extension().unwrap_or_default() == "js";
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let is_node_modules = |d: &DirEntry| {
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d.path().is_dir() && d.path().file_name().unwrap_or_default() == "node_modules"
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};
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let is_package_json = |d: &DirEntry| {
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d.path().is_file() && d.path().file_name().unwrap_or_default() == "package.json"
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};
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is_js_file(&dir_entry) || is_node_modules(&dir_entry) || is_package_json(&dir_entry)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use clap::{App, Arg};
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#[test]
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fn char_section_success_status() {
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let args = App::new("starship")
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.arg(Arg::with_name("status_code"))
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.get_matches_from(vec!["starship", "0"]);
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let segment = segment(&args);
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assert_eq!(segment.style, Style::from(Color::Green));
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}
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#[test]
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fn char_section_failure_status() {
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let args = App::new("starship")
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.arg(Arg::with_name("status_code"))
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.get_matches_from(vec!["starship", "1"]);
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let segment = segment(&args);
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assert_eq!(segment.style, Style::from(Color::Red));
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}
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}
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