tildefriends/apps/cory/ssb/tf-utils.js

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import * as linkify from './commonmark-linkify.js';
import * as hashtagify from './commonmark-hashtag.js';
export function markdown(md) {
var reader = new commonmark.Parser({safe: true});
var writer = new commonmark.HtmlRenderer();
var parsed = reader.parse(md || '');
parsed = linkify.transform(parsed);
parsed = hashtagify.transform(parsed);
var walker = parsed.walker();
var event, node;
while ((event = walker.next())) {
node = event.node;
if (event.entering) {
if (node.type == 'link') {
if (node.destination.startsWith('@') &&
node.destination.endsWith('.ed25519')) {
node.destination = '#' + node.destination;
} else if (node.destination.startsWith('%') &&
node.destination.endsWith('.sha256')) {
node.destination = '#' + node.destination;
} else if (node.destination.startsWith('&') &&
node.destination.endsWith('.sha256')) {
node.destination = '/' + node.destination + '/view';
}
} else if (node.type == 'image') {
if (node.destination.startsWith('&')) {
node.destination = '/' + node.destination + '/view';
}
}
}
}
return writer.render(parsed);
}
export function human_readable_size(bytes) {
let v = bytes;
let u = 'B';
for (let unit of ['kB', 'MB', 'GB']) {
if (v > 1024) {
v /= 1024;
u = unit;
} else {
break;
}
}
return `${Math.round(v * 10) / 10} ${u}`;
}