rudeshark.net/src/mfm/html.ts
Aya Morisawa 7aac2c4e29 Clean up
2018-08-19 00:31:25 +09:00

121 lines
3.3 KiB
TypeScript

const { lib: emojilib } = require('emojilib');
const jsdom = require('jsdom');
const { JSDOM } = jsdom;
import config from '../config';
import { INote } from '../models/note';
import { TextElement } from './parse';
function intersperse<T>(sep: T, xs: T[]): T[] {
return [].concat(...xs.map(x => [sep, x])).slice(1);
}
const handlers: { [key: string]: (window: any, token: any, mentionedRemoteUsers: INote['mentionedRemoteUsers']) => void } = {
bold({ document }, { bold }) {
const b = document.createElement('b');
b.textContent = bold;
document.body.appendChild(b);
},
big({ document }, { big }) {
const b = document.createElement('strong');
b.textContent = big;
document.body.appendChild(b);
},
motion({ document }, { big }) {
const b = document.createElement('strong');
b.textContent = big;
document.body.appendChild(b);
},
code({ document }, { code }) {
const pre = document.createElement('pre');
const inner = document.createElement('code');
inner.innerHTML = code;
pre.appendChild(inner);
document.body.appendChild(pre);
},
emoji({ document }, { content, emoji }) {
const found = emojilib[emoji];
const node = document.createTextNode(found ? found.char : content);
document.body.appendChild(node);
},
hashtag({ document }, { hashtag }) {
const a = document.createElement('a');
a.href = config.url + '/tags/' + hashtag;
a.textContent = '#' + hashtag;
a.setAttribute('rel', 'tag');
document.body.appendChild(a);
},
'inline-code'({ document }, { code }) {
const element = document.createElement('code');
element.textContent = code;
document.body.appendChild(element);
},
link({ document }, { url, title }) {
const a = document.createElement('a');
a.href = url;
a.textContent = title;
document.body.appendChild(a);
},
mention({ document }, { content, username, host }, mentionedRemoteUsers) {
const a = document.createElement('a');
const remoteUserInfo = mentionedRemoteUsers.find(remoteUser => remoteUser.username === username && remoteUser.host === host);
a.href = remoteUserInfo ? remoteUserInfo.uri : `${config.url}/${content}`;
a.textContent = content;
document.body.appendChild(a);
},
quote({ document }, { quote }) {
const blockquote = document.createElement('blockquote');
blockquote.textContent = quote;
document.body.appendChild(blockquote);
},
title({ document }, { content }) {
const h1 = document.createElement('h1');
h1.textContent = content;
document.body.appendChild(h1);
},
text({ document }, { content }) {
const nodes = (content as string).split('\n').map(x => document.createTextNode(x));
for (const x of intersperse(document.createElement('br'), nodes)) {
document.body.appendChild(x);
}
},
url({ document }, { url }) {
const a = document.createElement('a');
a.href = url;
a.textContent = url;
document.body.appendChild(a);
},
search({ document }, { content, query }) {
const a = document.createElement('a');
a.href = `https://www.google.com/?#q=${query}`;
a.textContent = content;
document.body.appendChild(a);
}
};
export default (tokens: TextElement[], mentionedRemoteUsers: INote['mentionedRemoteUsers'] = []) => {
if (tokens == null) {
return null;
}
const { window } = new JSDOM('');
for (const token of tokens) {
handlers[token.type](window, token, mentionedRemoteUsers);
}
return `<p>${window.document.body.innerHTML}</p>`;
};