Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/shared/helpers/markdownIt/link.js

@@ -0,0 +1,69 @@
+// Process [@mention](mention://user/1/Pranav)
+const USER_MENTIONS_REGEX = /mention:\/\/(user|team)\/(\d+)\/(.+)/gm;
+
+const buildMentionTokens = () => (state, silent) => {
+  var label;
+  var labelEnd;
+  var labelStart;
+  var pos;
+  var res;
+  var token;
+  var href = '';
+  var max = state.posMax;
+
+  if (state.src.charCodeAt(state.pos) !== 0x5b /* [ */) {
+    return false;
+  }
+
+  labelStart = state.pos + 1;
+  labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, true);
+
+  // parser failed to find ']', so it's not a valid link
+  if (labelEnd < 0) {
+    return false;
+  }
+
+  label = state.src.slice(labelStart, labelEnd);
+  pos = labelEnd + 1;
+
+  if (pos < max && state.src.charCodeAt(pos) === 0x28 /* ( */) {
+    pos += 1;
+    res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
+    if (res.ok) {
+      href = state.md.normalizeLink(res.str);
+      if (state.md.validateLink(href)) {
+        pos = res.pos;
+      } else {
+        href = '';
+      }
+    }
+    pos += 1;
+  }
+
+  if (!href.match(new RegExp(USER_MENTIONS_REGEX))) {
+    return false;
+  }
+
+  if (!silent) {
+    state.pos = labelStart;
+    state.posMax = labelEnd;
+
+    token = state.push('mention', '');
+    token.href = href;
+    token.content = label;
+  }
+
+  state.pos = pos;
+  state.posMax = max;
+
+  return true;
+};
+
+const renderMentions = () => (tokens, idx) => {
+  return `<span class="prosemirror-mention-node">${tokens[idx].content}</span>`;
+};
+
+export default function mentionPlugin(md) {
+  md.renderer.rules.mention = renderMentions(md);
+  md.inline.ruler.before('link', 'mention', buildMentionTokens(md));
+}