Moved greentext to RichContent, improved how first mentions are

restored, now shows mentions not uh, mention in post body

src/components/rich_content/rich_content.jsx

@@ -1,6 +1,7 @@
 import Vue from 'vue'
 import { unescape, flattenDeep } from 'lodash'
 import { convertHtml, getTagName, processTextForEmoji, getAttrs } from 'src/services/mini_html_converter/mini_html_converter.service.js'
+import { processHtml } from 'src/services/tiny_post_html_processor/tiny_post_html_processor.service.js'
 import StillImage from 'src/components/still-image/still-image.vue'
 import MentionLink from 'src/components/mention_link/mention_link.vue'
 
@@ -24,15 +25,25 @@ export default Vue.component('RichContent', {
       required: false,
       type: Boolean,
       default: false
+    },
+    // Meme arrows
+    greentext: {
+      required: false,
+      type: Boolean,
+      default: false
     }
   },
   render (h) {
+    // Pre-process HTML
+    const html = this.greentext ? addGreentext(this.html) : this.html
+
     const renderImage = (tag) => {
       return <StillImage
         {...{ attrs: getAttrs(tag) }}
         class="img"
       />
     }
+
     const renderMention = (attrs, children, encounteredText) => {
       return <MentionLink
         url={attrs.href}
@@ -41,10 +52,12 @@ export default Vue.component('RichContent', {
       />
     }
 
+    // We stop treating mentions as "first" ones when we encounter
+    // non-whitespace text
     let encounteredText = false
     // Processor to use with mini_html_converter
     const processItem = (item) => {
-      // Handle text noes - just add emoji
+      // Handle text nodes - just add emoji
       if (typeof item === 'string') {
         const emptyText = item.trim() === ''
         if (emptyText) {
@@ -72,6 +85,7 @@ export default Vue.component('RichContent', {
           return unescapedItem
         }
       }
+
       // Handle tag nodes
       if (Array.isArray(item)) {
         const [opener, children] = item
@@ -84,8 +98,14 @@ export default Vue.component('RichContent', {
             const attrs = getAttrs(opener)
             if (attrs['class'] && attrs['class'].includes('mention')) {
               return renderMention(attrs, children, encounteredText)
+            } else {
+              attrs.target = '_blank'
+              return <a {...{ attrs }}>
+                { children.map(processItem) }
+              </a>
             }
         }
+
         // Render tag as is
         if (children !== undefined) {
           return <Tag {...{ attrs: getAttrs(opener) }}>
@@ -97,7 +117,95 @@ export default Vue.component('RichContent', {
       }
     }
     return <span class="RichContent">
-      { convertHtml(this.html).map(processItem) }
+      { this.$slots.prefix }
+      { convertHtml(html).map(processItem) }
+      { this.$slots.suffix }
     </span>
   }
 })
+
+export const addGreentext = (html) => {
+  try {
+    if (html.includes('&gt;')) {
+      // This checks if post has '>' at the beginning, excluding mentions so that @mention >impying works
+      return processHtml(html, (string) => {
+        if (
+          string.includes('&gt;') && string
+            .replace(/<[^>]+?>/gi, '') // remove all tags
+            .replace(/@\w+/gi, '') // remove mentions (even failed ones)
+            .trim()
+            .startsWith('&gt;')
+        ) {
+          return `<span class='greentext'>${string}</span>`
+        } else {
+          return string
+        }
+      })
+    } else {
+      return html
+    }
+  } catch (e) {
+    console.error('Failed to process status html', e)
+    return html
+  }
+}
+
+export const getHeadTailLinks = (html) => {
+  // Exported object properties
+  const firstMentions = [] // Mentions that appear in the beginning of post body
+  const lastTags = [] // Tags that appear at the end of post body
+  const writtenMentions = [] // All mentions that appear in post body
+  const writtenTags = [] // All tags that appear in post body
+
+  let encounteredText = false
+  let processingFirstMentions = true
+  let index = 0 // unique index for vue "tag" property
+
+  const getLinkData = (attrs, children, index) => {
+    return {
+      index,
+      url: attrs.href,
+      hashtag: attrs['data-tag'],
+      content: flattenDeep(children).join('')
+    }
+  }
+
+  // Processor to use with mini_html_converter
+  const processItem = (item) => {
+    // Handle text nodes - stop treating mentions as "first" when text encountered
+    if (typeof item === 'string') {
+      const emptyText = item.trim() === ''
+      if (emptyText) return
+      if (!encounteredText) {
+        encounteredText = true
+        processingFirstMentions = false
+      }
+      // Encountered text? That means tags we've been collectings aren't "last"!
+      lastTags.splice(0)
+      return
+    }
+    // Handle tag nodes
+    if (Array.isArray(item)) {
+      const [opener, children] = item
+      const Tag = getTagName(opener)
+      if (Tag !== 'a') return children && children.forEach(processItem)
+      const attrs = getAttrs(opener)
+      if (attrs['class']) {
+        const linkData = getLinkData(attrs, children, index++)
+        if (attrs['class'].includes('mention')) {
+          if (processingFirstMentions) {
+            firstMentions.push(linkData)
+          }
+          writtenMentions.push(linkData)
+        } else if (attrs['class'].includes('hashtag')) {
+          lastTags.push(linkData)
+          writtenTags.push(linkData)
+        }
+        return // Stop processing, we don't care about link's contents
+      }
+      children && children.forEach(processItem)
+    }
+  }
+  convertHtml(html).forEach(processItem)
+  return { firstMentions, writtenMentions, writtenTags, lastTags }
+}