48 lines
1.4 KiB
Rust
48 lines
1.4 KiB
Rust
use ansi_term::Color;
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use std::process::Command;
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use super::{Context, Module};
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/// Creates a module with the current Node.js version
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///
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/// Will display the Node.js version if any of the following criteria are met:
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/// - Current directory contains a `.js` file
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/// - Current directory contains a `package.json` file
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/// - Current directory contains a `node_modules` directory
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pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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let is_js_project = context
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.new_scan_dir()
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.set_files(&["package.json"])
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.set_extensions(&["js"])
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.set_folders(&["node_modules"])
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.scan();
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if !is_js_project {
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return None;
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}
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match get_node_version() {
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Some(node_version) => {
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const NODE_CHAR: &str = "⬢ ";
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let module_color = Color::Green.bold();
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let mut module = context.new_module("node")?;
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module.set_style(module_color);
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let formatted_version = node_version.trim();
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module.new_segment("symbol", NODE_CHAR);
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module.new_segment("version", formatted_version);
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Some(module)
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}
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None => None,
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}
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}
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fn get_node_version() -> Option<String> {
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match Command::new("node").arg("--version").output() {
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Ok(output) => Some(String::from_utf8(output.stdout).unwrap()),
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Err(_) => None,
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}
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}
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