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}