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86 lines
2.0 KiB
86 lines
2.0 KiB
<template>
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<span>
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<template
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v-for="(item, index) in items"
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:key="index"
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>
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<a
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v-if="item.startsWith('<a') && item.endsWith('</a>')"
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:href="sanitizeHref(extractAttr(item, 'href'))"
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rel="noopener noreferrer nofollow"
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:class="extractAttr(item, 'class') || 'link'"
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target="_blank"
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>
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{{ extractText(item) }}
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</a>
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<b
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v-else-if="item.startsWith('<b>') || item.startsWith('<strong>')"
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>
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{{ extractText(item) }}
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</b>
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<i
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v-else-if="item.startsWith('<i>') || item.startsWith('<em>')"
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>
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{{ extractText(item) }}
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</i>
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<br
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v-else-if="item === '<br>' || item === '\n'"
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>
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<template
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v-else
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>
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{{ item }}
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</template>
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</template>
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</span>
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</template>
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<script>
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import snarkdown from 'snarkdown'
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const htmlSplitRegexp = /(<a.+?<\/a>|<i>.+?<\/i>|<b>.+?<\/b>|<em>.+?<\/em>|<strong>.+?<\/strong>|<br>)/
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export default {
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name: 'MarkdownContent',
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props: {
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string: {
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type: String,
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required: false,
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default: ''
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}
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},
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computed: {
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items () {
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const linkParts = this.string.split(/(https?:\/\/[^\s)]+)/g)
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const text = linkParts.map((part, index) => {
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if (part.match(/^https?:\/\//) && !linkParts[index - 1]?.match(/\(\s*$/) && !linkParts[index + 1]?.match(/^\s*\)/)) {
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return `[${part}](${part})`
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} else {
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return part
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}
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}).join('')
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return snarkdown(text.replace(/\n/g, '<br>')).split(htmlSplitRegexp)
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}
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},
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methods: {
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sanitizeHref (href) {
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if (href && href.trim().match(/^((?:https?:\/\/)|\/)/)) {
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return href.replace(/javascript:/g, '')
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}
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},
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extractAttr (text, attr) {
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if (text.includes(attr)) {
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return text.split(attr).pop().split('"')[1]
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}
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},
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extractText (text) {
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if (text) {
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return text.match(/>(.+?)</)?.[1]
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}
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}
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}
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}
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</script>
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