tailwind_rs_postcss/js_bridge.rs
1//! JavaScript bridge for PostCSS integration
2//!
3//! This module provides JavaScript execution capabilities for NPM plugins.
4
5use crate::ast::CSSNode;
6use crate::error::Result;
7
8/// JavaScript bridge for executing NPM plugins
9#[derive(Debug)]
10pub struct JSBridge {
11 runtime: JSRuntime,
12}
13
14/// JavaScript runtime wrapper
15#[derive(Debug)]
16pub struct JSRuntime {
17 // Implementation details would go here
18}
19
20impl JSBridge {
21 /// Create a new JavaScript bridge
22 pub fn new() -> Result<Self> {
23 Ok(Self {
24 runtime: JSRuntime::new()?,
25 })
26 }
27
28 /// Execute a JavaScript plugin
29 pub async fn execute_plugin(&self, plugin: &str, ast: CSSNode) -> Result<CSSNode> {
30 // For now, implement a basic plugin execution
31 // In a full implementation, this would use a JavaScript runtime like V8 or QuickJS
32 match plugin {
33 "autoprefixer" => self.execute_autoprefixer(ast).await,
34 "cssnano" => self.execute_cssnano(ast).await,
35 "postcss-preset-env" => self.execute_preset_env(ast).await,
36 _ => {
37 // For unknown plugins, return the AST unchanged
38 Ok(ast)
39 }
40 }
41 }
42
43 /// Execute autoprefixer plugin
44 async fn execute_autoprefixer(&self, ast: CSSNode) -> Result<CSSNode> {
45 // Basic autoprefixer implementation
46 // In a real implementation, this would add vendor prefixes
47 Ok(ast)
48 }
49
50 /// Execute cssnano plugin
51 async fn execute_cssnano(&self, ast: CSSNode) -> Result<CSSNode> {
52 // Basic cssnano implementation
53 // In a real implementation, this would minify CSS
54 Ok(ast)
55 }
56
57 /// Execute postcss-preset-env plugin
58 async fn execute_preset_env(&self, ast: CSSNode) -> Result<CSSNode> {
59 // Basic preset-env implementation
60 // In a real implementation, this would transform modern CSS
61 Ok(ast)
62 }
63}
64
65impl JSRuntime {
66 /// Create a new JavaScript runtime
67 pub fn new() -> Result<Self> {
68 Ok(Self {})
69 }
70}
71
72#[cfg(test)]
73mod tests {
74 use super::*;
75
76 #[test]
77 fn test_js_bridge_creation() {
78 let bridge = JSBridge::new();
79 assert!(bridge.is_ok());
80 }
81}