diaspora/app/assets/javascripts/app/helpers/text_formatter.js
2021-09-18 19:19:02 +02:00

122 lines
4 KiB
JavaScript

// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-v3-or-Later
(function(){
app.helpers.allowedEmbedsMime = function(mimetype) {
var v = document.createElement(mimetype[1]);
return v.canPlayType && v.canPlayType(mimetype[0]) !== "";
};
app.helpers.textFormatter = function(text, mentions) {
mentions = mentions ? mentions : [];
var md = window.markdownit({
breaks: true,
html: true,
linkify: true,
typographer: true
});
var footnote = window.markdownitFootnote;
md.use(footnote);
var inlinePlugin = window.markdownitForInline;
md.use(inlinePlugin, "utf8_symbols", "text", function (tokens, idx) {
tokens[idx].content = tokens[idx].content.replace(/<->/g, "↔")
.replace(/<-/g, "←")
.replace(/->/g, "→")
.replace(/<3/g, "♥");
});
md.use(inlinePlugin, "link_new_window_and_missing_http", "link_open", function (tokens, idx) {
tokens[idx].attrs.forEach(function(attribute, index, array) {
if( attribute[0] === "href" ) {
array[index][1] = attribute[1].replace(/^www\./, "http://www.");
}
});
tokens[idx].attrPush(["target", "_blank"]);
tokens[idx].attrPush(["rel", "noopener noreferrer"]);
});
md.use(inlinePlugin, "responsive_images", "image", function (tokens, idx) {
tokens[idx].attrPush(["class", "img-responsive"]);
});
var hashtagPlugin = window.markdownitHashtag;
md.use(hashtagPlugin, {
// compare tag_text_regexp in app/models/acts_as_taggable_on-tag.rb
hashtagRegExp: "[" + PosixBracketExpressions.word +
"\\u055b" + // Armenian emphasis mark
"\\u055c" + // Armenian exclamation mark
"\\u055e" + // Armenian question mark
"\\u058a" + // Armenian hyphen
"_" +
"\\-" +
"]+|<3",
// compare tag_strings in lib/diaspora/taggable.rb
preceding: "^|\\s"
});
var mentionPlugin = window.markdownitDiasporaMention;
md.use(mentionPlugin, {
mentions: mentions,
allowHovercards: true,
currentUserId: app.currentUser.get("guid")
});
var subPlugin = window.markdownitSub;
md.use(subPlugin);
var supPlugin = window.markdownitSup;
md.use(supPlugin);
var sanitizerPlugin = window.markdownitSanitizer;
md.use(sanitizerPlugin, {imageClass: "img-responsive"});
var hljs = window.hljs;
md.set({
highlight: function(str, lang) {
if (lang && hljs.getLanguage(lang)) {
try {
return hljs.highlight(lang, str).value;
} catch (__) {}
}
return "";
}
});
// xmpp: should behave like mailto:
md.linkify.add("xmpp:","mailto:");
// mumble:// should behave like http://:
md.linkify.add("mumble:","http:");
md.linkify.set({ fuzzyLink: false });
// Bootstrap table markup
md.renderer.rules.table_open = function () { return "<table class=\"table table-striped\">\n"; };
var html5medialPlugin = window.markdownitHTML5Embed;
md.use(html5medialPlugin, {html5embed: {
inline: false,
autoAppend: true,
renderFn: function handleBarsRenderFn(parsed, mediaAttributes) {
var attributes = mediaAttributes[parsed.mediaType];
return HandlebarsTemplates["media-embed_tpl"]({
mediaType: parsed.mediaType,
attributes: attributes,
mimetype: parsed.mimeType,
sourceURL: parsed.url,
title: parsed.title,
fallback: parsed.fallback,
needsCover: parsed.mediaType === "video"
});
},
attributes: {
"audio": "controls preload=none",
"video": "preload=none"
},
isAllowedMimeType: app.helpers.allowedEmbedsMime
}});
return md.render(text);
};
})();
// @license-end