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chore: remove unused fetch-and-cache.js (#42358)

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This commit is contained in:
Oliver Eyton-Williams
2021-06-04 17:17:16 +02:00
committed by GitHub
parent 91901b822e
commit 3f45f778b8
1 changed files with 0 additions and 74 deletions
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74
client/src/templates/Challenges/utils/fetch-and-cache.js
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@ -1,74 +0,0 @@
import { throwError } from 'rxjs';
import axios from 'axios';
// value used to break browser ajax caching
const cacheBreakerValue = Math.random();
export function createFetchScript() {
const cache = new Map();
return async function fetchScript({
src,
cacheBreaker = false,
crossDomain = true
} = {}) {
if (!src) {
throw new Error('No source provided for script');
}
if (cache.has(src)) {
return cache.get(src);
}
const url = cacheBreaker ? `${src}?cacheBreaker=${cacheBreakerValue}` : src;
const script = await axios
.get({ url, crossDomain })
.then(res => {
if (res.status !== 200) {
throw new Error('Request error: ' + res.status);
}
})
.then(({ data }) => data)
.then(script => `<script>${script}</script>`)
.catch(() => '');
cache.set(src, script);
return script;
};
}
export const fetchScript = createFetchScript();
export function createFetchLink() {
const cache = new Map();
return async function fetchLink({
link: href,
raw = false,
crossDomain = true
} = {}) {
if (!href) {
return throwError(new Error('No source provided for link'));
}
if (cache.has(href)) {
return cache.get(href);
}
// css files with `url(...` may not work in style tags
// so we put them in raw links
if (raw) {
const link = `<link href=${href} rel='stylesheet' />`;
cache.set(href, link);
return link;
}
const link = await axios
.get({ url: href, crossDomain })
.then(res => {
if (res.status !== 200) {
throw new Error('Request error: ' + res.status);
}
})
.then(({ data }) => data)
.then(styles => `<style>${styles}</style>`)
.catch(() => '');
cache.set(href, link);
return link;
};
}
export const fetchLink = createFetchLink();