forked from cory/tildefriends
Cory McWilliams
14de3dd9e5
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4834 ed5197a5-7fde-0310-b194-c3ffbd925b24
93 lines
2.8 KiB
JavaScript
93 lines
2.8 KiB
JavaScript
import * as linkify from './commonmark-linkify.js';
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import * as hashtagify from './commonmark-hashtag.js';
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function image(node, entering) {
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if (node.firstChild?.type === 'text' &&
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node.firstChild.literal.startsWith('video:')) {
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if (entering) {
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this.lit('<video style="max-width: 100%; max-height: 480px" title="' + this.esc(node.firstChild?.literal) + '" controls>');
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this.lit('<source src="' + this.esc(node.destination) + '"></source>');
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this.disableTags += 1;
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} else {
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this.disableTags -= 1;
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this.lit('</video>');
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}
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} else if (node.firstChild?.type === 'text' &&
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node.firstChild.literal.startsWith('audio:')) {
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if (entering) {
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this.lit('<audio style="height: 32px; max-width: 100%" title="' + this.esc(node.firstChild?.literal) + '" controls>');
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this.lit('<source src="' + this.esc(node.destination) + '"></source>');
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this.disableTags += 1;
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} else {
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this.disableTags -= 1;
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this.lit('</audio>');
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}
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} else {
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if (entering) {
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if (this.disableTags === 0) {
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this.lit('<div class="img_caption">' + this.esc(node.firstChild?.literal || node.destination) + '</div>');
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if (this.options.safe && potentiallyUnsafe(node.destination)) {
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this.lit('<img src="" alt="');
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} else {
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this.lit('<img src="' + this.esc(node.destination) + '" alt="');
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}
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}
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this.disableTags += 1;
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} else {
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this.disableTags -= 1;
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if (this.disableTags === 0) {
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if (node.title) {
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this.lit('" title="' + this.esc(node.title));
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}
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this.lit('" />');
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}
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}
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}
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}
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export function markdown(md) {
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let reader = new commonmark.Parser({safe: true});
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let writer = new commonmark.HtmlRenderer();
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writer.image = image;
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let parsed = reader.parse(md || '');
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parsed = hashtagify.transform(parsed);
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parsed = linkify.transform(parsed);
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let walker = parsed.walker();
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let event, node;
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while ((event = walker.next())) {
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node = event.node;
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if (event.entering) {
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if (node.type == 'link') {
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if (node.destination.startsWith('@') &&
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node.destination.endsWith('.ed25519')) {
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node.destination = '#' + node.destination;
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} else if (node.destination.startsWith('%') &&
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node.destination.endsWith('.sha256')) {
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node.destination = '#' + node.destination;
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} else if (node.destination.startsWith('&') &&
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node.destination.endsWith('.sha256')) {
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node.destination = '/' + node.destination + '/view';
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}
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} else if (node.type == 'image') {
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if (node.destination.startsWith('&')) {
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node.destination = '/' + node.destination + '/view';
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}
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}
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}
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}
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return writer.render(parsed);
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}
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export function human_readable_size(bytes) {
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let v = bytes;
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let u = 'B';
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for (let unit of ['kB', 'MB', 'GB']) {
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if (v > 1024) {
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v /= 1024;
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u = unit;
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} else {
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break;
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}
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}
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return `${Math.round(v * 10) / 10} ${u}`;
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} |