glass_easel_stylesheet_compiler/
js_bindings.rs

1//! The js interface
2
3#![cfg(feature = "js_bindings")]
4
5use serde::{Deserialize, Serialize};
6use wasm_bindgen::prelude::*;
7
8use super::*;
9use crate::error::{ParseError, ParseErrorLevel};
10
11#[derive(Serialize, Deserialize)]
12#[serde(rename_all = "camelCase")]
13pub struct StyleSheetParseError {
14    is_error: bool,
15    level: error::ParseErrorLevel,
16    code: u32,
17    message: String,
18    path: String,
19    start_line: u32,
20    start_column: u32,
21    end_line: u32,
22    end_column: u32,
23}
24
25impl From<ParseError> for StyleSheetParseError {
26    fn from(value: ParseError) -> Self {
27        Self {
28            is_error: value.kind.level() >= ParseErrorLevel::Error,
29            level: value.kind.level(),
30            code: value.code() as u32,
31            message: value.kind.to_string(),
32            path: value.path.to_string(),
33            start_line: value.location.start.line,
34            start_column: value.location.start.utf16_col,
35            end_line: value.location.end.line,
36            end_column: value.location.end.utf16_col,
37        }
38    }
39}
40
41#[wasm_bindgen]
42pub struct StyleSheetTransformer {
43    warnings: Vec<ParseError>,
44    normal_content: String,
45    normal_source_map: String,
46    low_priority_content: String,
47    low_priority_source_map: String,
48}
49
50#[wasm_bindgen]
51impl StyleSheetTransformer {
52    #[wasm_bindgen(constructor)]
53    pub fn new(
54        name: &str,
55        s: &str,
56        class_prefix: Option<String>,
57        rpx_ratio: f32,
58        convert_host: bool,
59    ) -> Self {
60        let mut sst = crate::StyleSheetTransformer::from_css(
61            name,
62            s,
63            StyleSheetOptions {
64                class_prefix,
65                rpx_ratio,
66                convert_host,
67                ..Default::default()
68            },
69        );
70        let warnings = sst.take_warnings();
71        let (normal, low_priority) = sst.output_and_low_priority_output();
72
73        let mut normal_content = String::new();
74        normal.write_str(&mut normal_content).unwrap();
75        let mut normal_source_map = Vec::new();
76        normal.write_source_map(&mut normal_source_map).unwrap();
77
78        let mut low_priority_content = String::new();
79        low_priority.write_str(&mut low_priority_content).unwrap();
80        let mut low_priority_source_map = Vec::new();
81        low_priority
82            .write_source_map(&mut low_priority_source_map)
83            .unwrap();
84
85        Self {
86            warnings,
87            normal_content,
88            normal_source_map: String::from_utf8(normal_source_map).unwrap(),
89            low_priority_content,
90            low_priority_source_map: String::from_utf8(low_priority_source_map).unwrap(),
91        }
92    }
93
94    #[wasm_bindgen(js_name = extractWarnings)]
95    pub fn extrace_warnings(&mut self) -> JsValue {
96        let ret: Vec<_> = self
97            .warnings
98            .drain(..)
99            .map(|x| StyleSheetParseError::from(x))
100            .collect();
101        serde_wasm_bindgen::to_value(&ret).unwrap()
102    }
103
104    #[wasm_bindgen(js_name = getContent)]
105    pub fn get_content(&self) -> String {
106        self.normal_content.clone()
107    }
108
109    #[wasm_bindgen(js_name = getSourceMap)]
110    pub fn get_source_map(&self) -> String {
111        self.normal_source_map.clone()
112    }
113
114    #[wasm_bindgen(js_name = getLowPriorityContent)]
115    pub fn get_low_priority_content(&self) -> String {
116        self.low_priority_content.clone()
117    }
118
119    #[wasm_bindgen(js_name = getLowPrioritySourceMap)]
120    pub fn get_low_priority_source_map(&self) -> String {
121        self.low_priority_source_map.clone()
122    }
123}
124
125#[wasm_bindgen]
126pub fn enable_console_log() {
127    console_log::init_with_level(log::Level::Debug).unwrap();
128}
glass_easel_stylesheet_compiler/js_bindings.rs

glass_easel_stylesheet_compiler/
js_bindings.rs
