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Fix special characters in head elements (#3031)

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Evan Almloff 2024-10-09 13:48:58 -05:00 committed by GitHub
parent a693ddffa3
commit 1053943073
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GPG key ID: B5690EEEBB952194
1 changed files with 18 additions and 3 deletions
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21
packages/html/src/document/mod.rs
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@ -16,10 +16,23 @@ pub use eval::*;
pub mod head;
pub use head::{Meta, MetaProps, Script, ScriptProps, Style, StyleProps, Title, TitleProps};
fn format_string_for_js(s: &str) -> String {
let escaped = s
.replace('\\', "\\\\")
.replace('\n', "\\n")
.replace('\r', "\\r")
.replace('"', "\\\"");
format!("\"{escaped}\"")
}
fn format_attributes(attributes: &[(&str, String)]) -> String {
let mut formatted = String::from("[");
for (key, value) in attributes {
formatted.push_str(&format!("[{key:?}, {value:?}],"));
formatted.push_str(&format!(
"[{}, {}],",
format_string_for_js(key),
format_string_for_js(value)
));
}
if formatted.ends_with(',') {
formatted.pop();
@ -36,9 +49,11 @@ fn create_element_in_head(
let helpers = include_str!("../js/head.js");
let attributes = format_attributes(attributes);
let children = children
.map(|c| format!("\"{c}\""))
.as_deref()
.map(format_string_for_js)
.unwrap_or("null".to_string());
format!(r#"{helpers};window.createElementInHead("{tag}", {attributes}, {children});"#)
let tag = format_string_for_js(tag);
format!(r#"{helpers};window.createElementInHead({tag}, {attributes}, {children});"#)
}
/// A provider for document-related functionality. By default most methods are driven through [`eval`].