localghost 0.3.0

Ergonomic Rust bindings to the Web platform
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58

use js_sys::{Array, Reflect};

use std::fmt::{self, Debug};
use std::iter::Iterator;

use crate::prelude::*;

/// HTTP Headers.
#[derive(Debug)]
pub(crate) struct Headers {
    pub(crate) inner: web_sys::Headers,
}

impl Headers {
    /// Create a new instance of `Headers`.
    pub(crate) fn new(headers: web_sys::Headers) -> Self {
        Self { inner: headers }
    }

    pub(crate) fn iter(&self) -> HeadersIter {
        HeadersIter {
            iter: js_sys::try_iter(self.inner.as_ref())
                .unwrap_throw()
                .unwrap_throw(),
        }
    }
}

/// HTTP Headers Iterator.
pub struct HeadersIter {
    iter: js_sys::IntoIter,
}

impl Debug for HeadersIter {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("HeadersIter").finish()
    }
}

impl Iterator for HeadersIter {
    type Item = (String, String);

    fn next(&mut self) -> Option<Self::Item> {
        let pair = self.iter.next()?;

        let array: Array = pair.unwrap().into();
        let vals = array.values();

        let prop = String::from("value").into();
        let key = Reflect::get(&vals.next().unwrap(), &prop).unwrap();
        let value = Reflect::get(&vals.next().unwrap(), &prop).unwrap();

        Some((
            key.as_string().unwrap(),
            value.as_string().unwrap(),
        ))
    }
}