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
//! JavaScript bridge for PostCSS integration
//!
//! This module provides JavaScript execution capabilities for NPM plugins.
use crate::ast::CSSNode;
use crate::error::Result;
/// JavaScript bridge for executing NPM plugins
#[derive(Debug)]
pub struct JSBridge {
runtime: JSRuntime,
}
/// JavaScript runtime wrapper
#[derive(Debug)]
pub struct JSRuntime {
// Implementation details would go here
}
impl JSBridge {
/// Create a new JavaScript bridge
pub fn new() -> Result<Self> {
Ok(Self {
runtime: JSRuntime::new()?,
})
}
/// Execute a JavaScript plugin
pub async fn execute_plugin(&self, plugin: &str, ast: CSSNode) -> Result<CSSNode> {
// For now, implement a basic plugin execution
// In a full implementation, this would use a JavaScript runtime like V8 or QuickJS
match plugin {
"autoprefixer" => self.execute_autoprefixer(ast).await,
"cssnano" => self.execute_cssnano(ast).await,
"postcss-preset-env" => self.execute_preset_env(ast).await,
_ => {
// For unknown plugins, return the AST unchanged
Ok(ast)
}
}
}
/// Execute autoprefixer plugin
async fn execute_autoprefixer(&self, ast: CSSNode) -> Result<CSSNode> {
// Basic autoprefixer implementation
// In a real implementation, this would add vendor prefixes
Ok(ast)
}
/// Execute cssnano plugin
async fn execute_cssnano(&self, ast: CSSNode) -> Result<CSSNode> {
// Basic cssnano implementation
// In a real implementation, this would minify CSS
Ok(ast)
}
/// Execute postcss-preset-env plugin
async fn execute_preset_env(&self, ast: CSSNode) -> Result<CSSNode> {
// Basic preset-env implementation
// In a real implementation, this would transform modern CSS
Ok(ast)
}
}
impl JSRuntime {
/// Create a new JavaScript runtime
pub fn new() -> Result<Self> {
Ok(Self {})
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_js_bridge_creation() {
let bridge = JSBridge::new();
assert!(bridge.is_ok());
}
}