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use alloc::{string::String, vec::Vec};
use core::{borrow::Borrow, fmt::Display, hash::Hash, str::from_utf8};
#[cfg(feature = "std")]
use std::io::{self, Write};
/// Serializing a map to JavaScript code in HTML.
pub trait MapToJavaScriptHTML<K> {
/// Convert this map to minified JavaScript code in HTML. Be careful of the `variable_name` which will not be encoded in HTML.
#[inline]
fn to_javascript_html<S: Display>(&self, variable_name: S) -> String {
let mut s = String::new();
self.to_javascript_html_to_string(variable_name, &mut s);
s
}
/// Convert this map to minified JavaScript code in HTML. Write it to an existing `String` and return a string slice of the written HTML. Be careful of the `variable_name` which will not be encoded in HTML.
#[inline]
fn to_javascript_html_to_string<'a, S: Display>(
&self,
variable_name: S,
output: &'a mut String,
) -> &'a str {
let mut buffer = Vec::new();
let html = self.to_javascript_html_to_vec(variable_name, &mut buffer);
let html = from_utf8(html).expect("MapToJavaScriptHTML implementations must return UTF-8");
let current_length = output.len();
output.push_str(html);
&output[current_length..]
}
/// Convert this map to minified JavaScript code in HTML. Write it to an existing `Vec<u8>` and return a `u8` slice of the written HTML. Be careful of the `variable_name` which will not be encoded in HTML.
fn to_javascript_html_to_vec<'a, S: Display>(
&self,
variable_name: S,
output: &'a mut Vec<u8>,
) -> &'a [u8];
#[cfg(feature = "std")]
/// Convert this map to minified JavaScript code in HTML. Write it to a writer. Be careful of the `variable_name` which will not be encoded in HTML.
fn to_javascript_html_to_writer<S: Display, W: Write>(
&self,
variable_name: S,
output: &mut W,
) -> Result<(), io::Error>;
/// Convert this map to minified JavaScript code in HTML by given keys. If the key doesn't exist, the output value will be `undefined`. Be careful of the `variable_name` which will not be encoded in HTML.
#[inline]
fn to_javascript_html_with_keys<S: Display, KS: ?Sized + Display + Ord + Eq + Hash>(
&self,
variable_name: S,
keys: &[&KS],
) -> String
where
K: Borrow<KS>, {
let mut s = String::new();
self.to_javascript_html_with_keys_to_string(variable_name, keys, &mut s);
s
}
/// Convert this map to minified JavaScript code in HTML by given keys. Write it to an existing `String` and return a string slice of the written HTML. If the key doesn't exist, the output value will be `undefined`. Be careful of the `variable_name` which will not be encoded in HTML.
fn to_javascript_html_with_keys_to_string<
'a,
S: Display,
KS: ?Sized + Display + Ord + Eq + Hash,
>(
&self,
variable_name: S,
keys: &[&KS],
output: &'a mut String,
) -> &'a str
where
K: Borrow<KS>, {
let mut buffer = Vec::new();
let html = self.to_javascript_html_with_keys_to_vec(variable_name, keys, &mut buffer);
let html = from_utf8(html).expect("MapToJavaScriptHTML implementations must return UTF-8");
let current_length = output.len();
output.push_str(html);
&output[current_length..]
}
/// Convert this map to minified JavaScript code in HTML by given keys. Write it to an existing `Vec<u8>` and return a `u8` slice of the written HTML. If the key doesn't exist, the output value will be `undefined`. Be careful of the `variable_name` which will not be encoded in HTML.
fn to_javascript_html_with_keys_to_vec<'a, S: Display, KS: ?Sized + Display + Ord + Eq + Hash>(
&self,
variable_name: S,
keys: &[&KS],
output: &'a mut Vec<u8>,
) -> &'a [u8]
where
K: Borrow<KS>;
#[cfg(feature = "std")]
/// Convert this map to minified JavaScript code in HTML. Write it to a writer. If the key doesn't exist, the output value will be `undefined`. Be careful of the `variable_name` which will not be encoded in HTML.
fn to_javascript_html_with_keys_to_writer<
S: Display,
W: Write,
KS: ?Sized + Display + Ord + Eq + Hash,
>(
&self,
variable_name: S,
keys: &[&KS],
output: &mut W,
) -> Result<(), io::Error>
where
K: Borrow<KS>;
}