-
Notifications
You must be signed in to change notification settings - Fork 2
/
https-loader.mjs
49 lines (43 loc) · 1.4 KB
/
https-loader.mjs
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
// copied from https://nodejs.org/api/esm.html#https-loader
// https-loader.mjs
import { get } from 'node:https';
export function resolve(specifier, context, nextResolve) {
const { parentURL = null } = context;
// Normally Node.js would error on specifiers starting with 'https://', so
// this hook intercepts them and converts them into absolute URLs to be
// passed along to the later hooks below.
if (specifier.startsWith('https://')) {
return {
shortCircuit: true,
url: specifier
};
} else if (parentURL && parentURL.startsWith('https://')) {
return {
shortCircuit: true,
url: new URL(specifier, parentURL).href,
};
}
// Let Node.js handle all other specifiers.
return nextResolve(specifier);
}
export function load(url, context, nextLoad) {
// For JavaScript to be loaded over the network, we need to fetch and
// return it.
if (url.startsWith('https://')) {
return new Promise((resolve, reject) => {
get(url, (res) => {
let data = '';
res.on('data', (chunk) => data += chunk);
res.on('end', () => resolve({
// This example assumes all network-provided JavaScript is ES module
// code.
format: 'module',
shortCircuit: true,
source: data,
}));
}).on('error', (err) => reject(err));
});
}
// Let Node.js handle all other URLs.
return nextLoad(url);
}