Merge remote-tracking branch 'origin/develop' into vue3-again

* origin/develop: (475 commits)
  Apply 1 suggestion(s) to 1 file(s)
  Update dependency @ungap/event-target to v0.2.3
  Update package.json
  fix broken icons after FA upgrade
  Update Font Awesome
  Update dependency webpack-dev-middleware to v3.7.3
  Update dependency vuelidate to v0.7.7
  Pin dependency @kazvmoe-infra/pinch-zoom-element to 1.2.0
  lint
  Make media modal buttons larger
  Add English translation for hide tooltip
  Add hide button to media modal
  Lint
  Prevent hiding media viewer if swiped over SwipeClick
  Fix webkit image blurs
  Fix video in media modal not displaying properly
  Add changelog for https://git.pleroma.social/pleroma/pleroma-fe/-/merge_requests/1403
  Remove image box-shadow in media modal
  Clean up debug code for image pinch zoom
  Bump @kazvmoe-infra/pinch-zoom-element to 1.2.0 on npm
  ...

1 files changed, 73 insertions, 0 deletions

diff --git a/src/services/html_converter/utility.service.js b/src/services/html_converter/utility.service.js
new file mode 100644
index 00000000..4d0c36c2
--- /dev/null
+++ b/src/services/html_converter/utility.service.js
@@ -0,0 +1,73 @@
+/**
+ * Extract tag name from tag opener/closer.
+ *
+ * @param {String} tag - tag string, i.e. '<a href="...">'
+ * @return {String} - tagname, i.e. "div"
+ */
+export const getTagName = (tag) => {
+  const result = /(?:<\/(\w+)>|<(\w+)\s?.*?\/?>)/gi.exec(tag)
+  return result && (result[1] || result[2])
+}
+
+/**
+ * Extract attributes from tag opener.
+ *
+ * @param {String} tag - tag string, i.e. '<a href="...">'
+ * @return {Object} - map of attributes key = attribute name, value = attribute value
+ *   attributes without values represented as boolean true
+ */
+export const getAttrs = tag => {
+  const innertag = tag
+    .substring(1, tag.length - 1)
+    .replace(new RegExp('^' + getTagName(tag)), '')
+    .replace(/\/?$/, '')
+    .trim()
+  const attrs = Array.from(innertag.matchAll(/([a-z0-9-]+)(?:=("[^"]+?"|'[^']+?'))?/gi))
+    .map(([trash, key, value]) => [key, value])
+    .map(([k, v]) => {
+      if (!v) return [k, true]
+      return [k, v.substring(1, v.length - 1)]
+    })
+  return Object.fromEntries(attrs)
+}
+
+/**
+ * Finds shortcodes in text
+ *
+ * @param {String} text - original text to find emojis in
+ * @param {{ url: String, shortcode: Sring }[]} emoji - list of shortcodes to find
+ * @param {Function} processor - function to call on each encountered emoji,
+ *   function is passed single object containing matching emoji ({ url, shortcode })
+ *   return value will be inserted into resulting array instead of :shortcode:
+ * @return {Array} resulting array with non-emoji parts of text and whatever {processor}
+ *   returned for emoji
+ */
+export const processTextForEmoji = (text, emojis, processor) => {
+  const buffer = []
+  let textBuffer = ''
+  for (let i = 0; i < text.length; i++) {
+    const char = text[i]
+    if (char === ':') {
+      const next = text.slice(i + 1)
+      let found = false
+      for (let emoji of emojis) {
+        if (next.slice(0, emoji.shortcode.length + 1) === (emoji.shortcode + ':')) {
+          found = emoji
+          break
+        }
+      }
+      if (found) {
+        buffer.push(textBuffer)
+        textBuffer = ''
+        buffer.push(processor(found))
+        i += found.shortcode.length + 1
+      } else {
+        textBuffer += char
+      }
+    } else {
+      textBuffer += char
+    }
+  }
+  if (textBuffer) buffer.push(textBuffer)
+  return buffer
+}