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 parser;
8pub mod toml_config;
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(
95                "Build output path cannot be empty".to_string(),
96            ));
97        }
98
99        if self.build.input.is_empty() {
100            return Err(TailwindError::config(
101                "Build input paths cannot be empty".to_string(),
102            ));
103        }
104
105        // Validate theme
106        self.theme.validate()?;
107
108        // Validate responsive config
109        self.responsive.validate()?;
110
111        Ok(())
112    }
113
114    /// Convert TOML values to JSON values
115    fn convert_toml_to_json_values(
116        toml_values: HashMap<String, toml::Value>,
117    ) -> HashMap<String, serde_json::Value> {
118        let mut json_values = HashMap::new();
119        for (key, value) in toml_values {
120            match value {
121                toml::Value::String(s) => {
122                    json_values.insert(key.clone(), serde_json::Value::String(s));
123                }
124                toml::Value::Integer(i) => {
125                    json_values.insert(key.clone(), serde_json::Value::Number(i.into()));
126                }
127                toml::Value::Float(f) => {
128                    json_values.insert(
129                        key,
130                        serde_json::Value::Number(
131                            serde_json::Number::from_f64(f).unwrap_or(serde_json::Number::from(0)),
132                        ),
133                    );
134                }
135                toml::Value::Boolean(b) => {
136                    json_values.insert(key, serde_json::Value::Bool(b));
137                }
138                _ => {} // Skip complex types for now
139            }
140        }
141        json_values
142    }
143
144    /// Convert JSON values to TOML values
145    fn convert_json_to_toml_values(
146        json_values: &HashMap<String, serde_json::Value>,
147    ) -> HashMap<String, toml::Value> {
148        let mut toml_values = HashMap::new();
149        for (key, value) in json_values {
150            match value {
151                serde_json::Value::String(s) => {
152                    toml_values.insert(key.clone(), toml::Value::String(s.clone()));
153                }
154                serde_json::Value::Number(n) => {
155                    if let Some(i) = n.as_i64() {
156                        toml_values.insert(key.clone(), toml::Value::Integer(i));
157                    } else if let Some(f) = n.as_f64() {
158                        toml_values.insert(key.clone(), toml::Value::Float(f));
159                    }
160                }
161                serde_json::Value::Bool(b) => {
162                    toml_values.insert(key.clone(), toml::Value::Boolean(*b));
163                }
164                _ => {} // Skip complex types for now
165            }
166        }
167        toml_values
168    }
169
170    /// Convert breakpoints to TOML format
171    fn convert_breakpoints_to_toml(
172        breakpoints: &HashMap<
173            crate::responsive::Breakpoint,
174            crate::responsive::responsive_config::BreakpointConfig,
175        >,
176    ) -> HashMap<String, u32> {
177        let mut toml_breakpoints = HashMap::new();
178        for (breakpoint, config) in breakpoints {
179            toml_breakpoints.insert(breakpoint.to_string().to_lowercase(), config.min_width);
180        }
181        toml_breakpoints
182    }
183}
184
185impl Default for TailwindConfig {
186    fn default() -> Self {
187        Self::new()
188    }
189}
190
191impl From<TailwindConfigToml> for TailwindConfig {
192    fn from(toml_config: TailwindConfigToml) -> Self {
193        Self {
194            build: toml_config.build.into(),
195            theme: toml_config.theme.into(),
196            responsive: toml_config.responsive.into(),
197            plugins: toml_config.plugins.unwrap_or_default(),
198            custom: Self::convert_toml_to_json_values(toml_config.custom.unwrap_or_default()),
199        }
200    }
201}
202
203#[cfg(test)]
204mod tests {
205    use super::*;
206
207    #[test]
208    fn test_config_creation() {
209        let config = TailwindConfig::new();
210        assert!(!config.build.input.is_empty());
211        assert!(!config.build.output.is_empty());
212    }
213
214    #[test]
215    fn test_config_validation() {
216        let mut config = TailwindConfig::new();
217        assert!(config.validate().is_ok());
218
219        config.build.output = "".to_string();
220        assert!(config.validate().is_err());
221    }
222
223    #[test]
224    fn test_toml_parsing() {
225        let toml_content = r#"
226[build]
227input = ["src/**/*.rs"]
228output = "dist/styles.css"
229minify = true
230
231[theme]
232name = "default"
233
234[responsive]
235breakpoints = { sm = 640, md = 768 }
236container_centering = true
237container_padding = 16
238"#;
239
240        let config = TailwindConfig::from_str(toml_content).unwrap();
241        assert_eq!(config.build.output, "dist/styles.css");
242        assert!(config.build.minify);
243    }
244}
tailwind_rs_core/config/mod.rs

tailwind_rs_core/config/
mod.rs
