tailwind_rs_core/config/
mod.rs

1//! Configuration system for tailwind-rs
2//!
3//! This module provides configuration management for the tailwind-rs system,
4//! including build settings, theme configuration, and responsive breakpoints.
5
6pub mod build;
7pub mod toml_config;
8pub mod parser;
9
10// Re-export main types
11pub use build::BuildConfig;
12pub use toml_config::TailwindConfigToml;
13
14use crate::error::{Result, TailwindError};
15use crate::responsive::ResponsiveConfig;
16use crate::theme::Theme;
17use serde::{Deserialize, Serialize};
18use std::collections::HashMap;
19use std::path::PathBuf;
20
21/// Main configuration for tailwind-rs
22#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
23pub struct TailwindConfig {
24    /// Build configuration
25    pub build: BuildConfig,
26    /// Theme configuration
27    pub theme: Theme,
28    /// Responsive configuration
29    pub responsive: ResponsiveConfig,
30    /// Plugin configuration
31    pub plugins: Vec<String>,
32    /// Custom configuration
33    pub custom: HashMap<String, serde_json::Value>,
34}
35
36impl TailwindConfig {
37    /// Create a new configuration with default values
38    pub fn new() -> Self {
39        Self {
40            build: BuildConfig::new(),
41            theme: crate::theme::create_default_theme(),
42            responsive: ResponsiveConfig::new(),
43            plugins: Vec::new(),
44            custom: HashMap::new(),
45        }
46    }
47
48    /// Load configuration from a file
49    pub fn from_file(path: impl Into<PathBuf>) -> Result<Self> {
50        let path = path.into();
51        let content = std::fs::read_to_string(&path).map_err(|e| {
52            TailwindError::config(format!("Failed to read config file {:?}: {}", path, e))
53        })?;
54
55        Self::from_str(&content)
56    }
57
58    /// Load configuration from a string
59    pub fn from_str(content: &str) -> Result<Self> {
60        // Try TOML first, then JSON
61        if content.trim().starts_with('[') || content.trim().starts_with('#') {
62            let toml_config: TailwindConfigToml = toml::from_str(content)
63                .map_err(|e| TailwindError::config(format!("TOML parsing error: {}", e)))?;
64            Ok(toml_config.into())
65        } else {
66            serde_json::from_str(content)
67                .map_err(|e| TailwindError::config(format!("JSON parsing error: {}", e)))
68        }
69    }
70
71    /// Save configuration to a file
72    pub fn save_to_file(&self, path: impl Into<PathBuf>) -> Result<()> {
73        let path = path.into();
74        let content = if path.extension().and_then(|s| s.to_str()) == Some("toml") {
75            let toml_config: TailwindConfigToml = self.clone().into();
76            toml::to_string_pretty(&toml_config)
77                .map_err(|e| TailwindError::config(format!("TOML serialization error: {}", e)))?
78        } else {
79            serde_json::to_string_pretty(self)
80                .map_err(|e| TailwindError::config(format!("JSON serialization error: {}", e)))?
81        };
82
83        std::fs::write(&path, content).map_err(|e| {
84            TailwindError::config(format!("Failed to write config file {:?}: {}", path, e))
85        })?;
86
87        Ok(())
88    }
89
90    /// Validate the configuration
91    pub fn validate(&self) -> Result<()> {
92        // Basic validation
93        if self.build.output.is_empty() {
94            return Err(TailwindError::config("Build output path cannot be empty".to_string()));
95        }
96
97        if self.build.input.is_empty() {
98            return Err(TailwindError::config("Build input paths cannot be empty".to_string()));
99        }
100
101        // Validate theme
102        self.theme.validate()?;
103
104        // Validate responsive config
105        self.responsive.validate()?;
106
107        Ok(())
108    }
109
110    /// Convert TOML values to JSON values
111    fn convert_toml_to_json_values(toml_values: HashMap<String, toml::Value>) -> HashMap<String, serde_json::Value> {
112        let mut json_values = HashMap::new();
113        for (key, value) in toml_values {
114            match value {
115                toml::Value::String(s) => { json_values.insert(key.clone(), serde_json::Value::String(s)); }
116                toml::Value::Integer(i) => { json_values.insert(key.clone(), serde_json::Value::Number(i.into())); }
117                toml::Value::Float(f) => { json_values.insert(key, serde_json::Value::Number(serde_json::Number::from_f64(f).unwrap_or(serde_json::Number::from(0)))); }
118                toml::Value::Boolean(b) => { json_values.insert(key, serde_json::Value::Bool(b)); }
119                _ => {} // Skip complex types for now
120            }
121        }
122        json_values
123    }
124
125    /// Convert JSON values to TOML values
126    fn convert_json_to_toml_values(json_values: &HashMap<String, serde_json::Value>) -> HashMap<String, toml::Value> {
127        let mut toml_values = HashMap::new();
128        for (key, value) in json_values {
129            match value {
130                serde_json::Value::String(s) => { toml_values.insert(key.clone(), toml::Value::String(s.clone())); }
131                serde_json::Value::Number(n) => {
132                    if let Some(i) = n.as_i64() {
133                        toml_values.insert(key.clone(), toml::Value::Integer(i));
134                    } else if let Some(f) = n.as_f64() {
135                        toml_values.insert(key.clone(), toml::Value::Float(f));
136                    }
137                }
138                serde_json::Value::Bool(b) => { toml_values.insert(key.clone(), toml::Value::Boolean(*b)); }
139                _ => {} // Skip complex types for now
140            }
141        }
142        toml_values
143    }
144
145    /// Convert breakpoints to TOML format
146    fn convert_breakpoints_to_toml(breakpoints: &HashMap<crate::responsive::Breakpoint, crate::responsive::responsive_config::BreakpointConfig>) -> HashMap<String, u32> {
147        let mut toml_breakpoints = HashMap::new();
148        for (breakpoint, config) in breakpoints {
149            toml_breakpoints.insert(breakpoint.to_string().to_lowercase(), config.min_width);
150        }
151        toml_breakpoints
152    }
153}
154
155impl Default for TailwindConfig {
156    fn default() -> Self {
157        Self::new()
158    }
159}
160
161impl From<TailwindConfigToml> for TailwindConfig {
162    fn from(toml_config: TailwindConfigToml) -> Self {
163        Self {
164            build: toml_config.build.into(),
165            theme: toml_config.theme.into(),
166            responsive: toml_config.responsive.into(),
167            plugins: toml_config.plugins.unwrap_or_default(),
168            custom: Self::convert_toml_to_json_values(toml_config.custom.unwrap_or_default()),
169        }
170    }
171}
172
173#[cfg(test)]
174mod tests {
175    use super::*;
176
177    #[test]
178    fn test_config_creation() {
179        let config = TailwindConfig::new();
180        assert!(!config.build.input.is_empty());
181        assert!(!config.build.output.is_empty());
182    }
183
184    #[test]
185    fn test_config_validation() {
186        let mut config = TailwindConfig::new();
187        assert!(config.validate().is_ok());
188
189        config.build.output = "".to_string();
190        assert!(config.validate().is_err());
191    }
192
193    #[test]
194    fn test_toml_parsing() {
195        let toml_content = r#"
196[build]
197input = ["src/**/*.rs"]
198output = "dist/styles.css"
199minify = true
200
201[theme]
202name = "default"
203
204[responsive]
205breakpoints = { sm = 640, md = 768 }
206container_centering = true
207container_padding = 16
208"#;
209
210        let config = TailwindConfig::from_str(toml_content).unwrap();
211        assert_eq!(config.build.output, "dist/styles.css");
212        assert!(config.build.minify);
213    }
214}
tailwind_rs_core/config/mod.rs

tailwind_rs_core/config/
mod.rs
