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tghandbook/lib/components/WikiPage.tsx

127 lines
3.7 KiB
TypeScript

import { getPageHTML } from "../wiki";
import { darken, ColorFmt, lighten } from "../darkmode";
import * as React from "react";
import { useState, useEffect, useRef } from "react";
import userscript from "../userscript";
function fixup(html: string): string {
// Convert relative links to absolute
html = html.replace(/"\/wiki/gi, '"//tgstation13.org/wiki');
// Parse into node so we can do DOM majicks
const node = document.createElement("div");
node.innerHTML = html;
node.querySelectorAll(".mw-editsection").forEach((editLink) => {
editLink.parentElement.removeChild(editLink);
});
// Darken bgcolor
node.querySelectorAll("*[bgcolor]").forEach((td) => {
let bgcolor = td.getAttribute("bgcolor");
// Shitty way to detect if it's hex or not
// Basically, none of the css colors long 6 letters only use hex letters
// THANK FUCKING GOD
if (bgcolor.length === 6 && parseInt(bgcolor, 16) !== NaN) {
bgcolor = "#" + bgcolor;
}
td.setAttribute("bgcolor", darken(bgcolor, ColorFmt.HEX).slice(1));
});
node.querySelectorAll("*[style]").forEach((td: HTMLElement) => {
const inlineCSS = td.getAttribute("style");
let bgcolor = null;
if (inlineCSS.includes("background-color:")) {
bgcolor = td.style.backgroundColor;
} else if (inlineCSS.includes("background:")) {
bgcolor = td.style.background;
} else {
return;
}
td.setAttribute(
"style",
inlineCSS + ";background-color:" + darken(bgcolor, ColorFmt.RGB)
);
});
// Lighten fgcolors
node.querySelectorAll("*[color]").forEach((td) => {
let color = td.getAttribute("color");
if (color.length === 6 && !isNaN(parseInt(color, 16))) {
color = "#" + color;
}
td.setAttribute("color", lighten(color, ColorFmt.HEX).slice(1));
});
// Remove fixed widths
node.querySelectorAll("table[width]").forEach((td) => {
const width = td.getAttribute("width");
if (width.includes("%")) {
// Leave it alone
return;
}
td.setAttribute("width", "100%");
});
// Group headers and content so stickies don't overlap
node.querySelectorAll("h3,h2").forEach((h3) => {
const parent = h3.parentNode;
const div = document.createElement("div");
parent.insertBefore(div, h3);
while (h3.nextSibling && !h3.nextSibling.nodeName.startsWith("H")) {
const sibling = h3.nextSibling;
parent.removeChild(sibling);
div.appendChild(sibling);
}
h3.parentNode.removeChild(h3);
div.insertBefore(h3, div.firstChild);
div.className = "mw-headline-cont";
});
node.querySelectorAll(".mw-headline").forEach((span: HTMLElement) => {
// Find nearest container
let parent = span.parentElement;
while (parent !== null) {
if (parent.classList.contains("mw-headline-cont")) {
parent.id = span.id;
span.id += "-span";
parent.dataset.name = span.innerText;
}
parent = parent.parentElement;
}
});
return node.innerHTML;
}
export default function WikiPage({ page }) {
const [data, setData] = useState({ loaded: false, html: "" });
const containerRef = useRef(null);
// Fetch page
useEffect(() => {
(async () => {
let html = await getPageHTML(page);
html = fixup(html);
setData({ loaded: true, html });
})();
}, []);
// Page fetched, instance userscript
useEffect(() => {
if (data.loaded) {
console.log("Injecting userscript!");
userscript(containerRef.current, page);
}
}, [data]);
if (!data.loaded) {
return <p>You start skimming through the manual...</p>;
} else {
return (
<div
ref={containerRef}
className="page"
dangerouslySetInnerHTML={{ __html: data.html }}
></div>
);
}
}