silverbullet/lib/url_hack.ts

51 lines
1.8 KiB
TypeScript

export const urlPrefix : string = Deno.env.get('SB_URL_PREFIX') ?? (globalThis.silverBulletConfig ? globalThis.silverBulletConfig.urlPrefix : null) ?? '';
export const toRealUrl = <T extends (string | URL)>(url : T) : T => {
if (typeof url === 'string') {
const stringUrl = url as string;
if (stringUrl.startsWith('http://') || stringUrl.startsWith('https://')) {
const parsedUrl = new URL(stringUrl);
parsedUrl.pathname = urlPrefix + parsedUrl.pathname;
//console.log("Converted ", url, parsedUrl.href)
return String(parsedUrl.href) as T;
}
else {
if (!stringUrl.startsWith('/')) {
console.log("Don't know how to deal with relative path: ", url);
}
//console.log("Converted ", url, urlPrefix + stringUrl)
return (urlPrefix + stringUrl) as T;
}
}
else if (url.protocol === 'http:' || url.protocol === 'https:') {
const parsedUrl = new URL(url as URL);
parsedUrl.pathname = urlPrefix + parsedUrl.pathname;
//console.log("Converted ", url, parsedUrl)
return parsedUrl as T;
}
else {
return url;
}
};
export const toInternalUrl = (url : string) => {
if (url.startsWith('http://') || url.startsWith('https://')) {
const parsedUrl = new URL(url);
if (parsedUrl.pathname.startsWith(urlPrefix)) {
parsedUrl.pathname = parsedUrl.pathname.substr(urlPrefix.length);
return parsedUrl.href;
}
else {
console.log("Don't know how to deal with non-prefix: ", url);
return url;
}
} else if (url.startsWith(urlPrefix)) {
return url.substr(urlPrefix.length);
}
else {
console.log("Don't know how to deal with non-prefix: ", url);
return url;
}
};