91 lines
2.6 KiB
JavaScript
91 lines
2.6 KiB
JavaScript
const urlregex = /(([a-z]+:\/\/)(([a-z0-9\-]+\.)+([a-z]{2}|aero|arpa|app|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel|local|internal|tk|rocks|ga|to))(:[0-9]{1,5})?(\/[a-z0-9_\-\.~]+)*(\/([a-z0-9_\-\.]*)(\?[a-z0-9+_\-\.%=&]*)?)?(#[a-zA-Z0-9!$&'()*+.=-_~:@/?]*)?)(\s+|$)/gi
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function urlify(text) {
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return text.replace(urlregex,'<a href="$1" target="_blank" class="insertedlink">$1</a> ')
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}
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const newlregex = /(\n)/gi
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function newlineify(text) {
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return text.replace(newlregex,' <br>')
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}
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const crossregex = /~([^~]*)~/gi
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function crossout(text) {
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return text.replace(crossregex,'<span class="crossout">$1</span>')
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}
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const italicregex = /\*([^\*]*)\*/gi
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function italicify(text) {
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return text.replace(italicregex,'<i>$1</i> ')
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}
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const boldregex = /\*\*([^\*]*)\*\*/gi
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function boldify(text) {
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return text.replace(boldregex,'<b>$1</b> ')
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}
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const mentionregex = /@([^\s]*)/gi
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function filterMentions(text) {
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return text.replace(mentionregex,`<span><a href="/users/$1" class="mention">$1</a></span> `)
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}
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const emojiregex = /:([^:\s]*):/gi
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function emojify(text) {
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return text.replace(emojiregex,"<img class='emoji' src='/images/emoji/$1.png' alt=':$1:' title=':$1:' height=20/>")
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}
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function unemojify(text){
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text = text.replace(/\u{1F5FF}/gu,":moyai:")
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text = text.replace(/\u{1F440}/gu,":eyes:")
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return text
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}
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const allregex = /(```([^```]*)```)|(\n)|(~([^~]*)~)|(\*\*([^\*]*)\*\*)|(\*([^\*]*)\*)|(@[^\s]*)|(:([^:\s]*):)/gi
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const cdblregex = /```([^```]*)```/gi
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/**
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* filter out html, as well as render some markdown into html
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* @param {string} text text to filter/format
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* @return {string} html that represents the filtered text
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*/
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function filterPost(text){
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text = unemojify(text)
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let result = htmlesc(text).replace(allregex, function (match) {
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let out = match
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if(cdblregex.test(match)) {
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let paddlen = 3
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out = out.substring(paddlen,out.length-paddlen).trim()+"\n"
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out = newlineify(out)
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return `<div class="ovfl-bw"><code>${out}</code></div>`
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}
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out = newlineify(out)
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out = urlify(out)
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out = emojify(out)
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out = filterMentions(out)
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out = crossout(out)
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out = boldify(out)
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out = italicify(out)
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return out
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});
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return result
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}
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/**
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* filter out html, as well as render some markdown into html, but without mentions
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* @param {string} text text to filter/format
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* @return {string} html that represents the filtered text
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*/
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function filterReply(text) {
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text = htmlesc(text)
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text = newlineify(text)
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text = urlify(text)
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text = crossout(text)
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text = boldify(text)
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text = italicify(text)
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return text
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}
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