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export enum NewsType {
Markdown, // Without html + yaml
ManaPlus, //update news txt
}
export namespace News {
// Fetches only the most recent entry
export async function get(url: string, parser: NewsType): Promise<string> {
try {
//1. load
const unsafe_content = await request(`${url}?${Math.random()}`);
//2. sanitize
const content = killHTML(unsafe_content);
//3. parse
if (parser == NewsType.ManaPlus) {
return manaTextParser(content);
} else if (parser == NewsType.Markdown) {
return "Parsing Failed: Markdown Parser is not implemented yet";
}
} catch (e) {
console.log(e);
return `Failed to get the news, please select the news category on the right to view all news`;
}
}
}
function request(url: string): Promise<string> {
return new Promise((res, rej) => {
var xhr = new XMLHttpRequest();
xhr.addEventListener("error", (ev) => {
rej(ev);
});
xhr.open("GET", url);
xhr.onload = function () {
if (xhr.status === 200) {
res(xhr.responseText);
} else {
rej(new Error(`xhr.status: ${xhr.status} != 200`));
}
};
xhr.send();
});
}
function killHTML(raw: string): string {
return raw.replace(/<|>/, "⚠️");
}
function manaTextParser(input: string) {
const tmwLegacy = "##7Legacy Server##0";
let result = input;
if (result.indexOf(tmwLegacy) !== -1) {
const i = result.indexOf(tmwLegacy) + tmwLegacy.length;
result = result.slice(0, result.indexOf(tmwLegacy, i));
result = result.replace(/\n \n /, "");
}
result = result
.replace(/\[@@(.+?)\|(.+?)@@\]/g, '<a href="$1">$2</a>')
.replace(/##B(.+?)##b/g, "<b>$1</b>")
.replace(/##0 Actual Release: ##1 *(.+)/, "<h2>$1</h2>")
.replace(/\n/g, "<br>");
if (result.indexOf(tmwLegacy) === -1)
result = result
.replace(/br>([^]+?)<br></g, "br><p>$1</p><br><")
.replace(/<br>/g, "");
return result.replace(/##\d/g, "");
}
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