For sure matches Mention

src/view/com/composer/text-input/web/Tags/plugin.tsx

@@ -17,15 +17,18 @@ export interface MentionNodeAttrs {
    * The identifier for the selected item that was mentioned, stored as a `data-id`
    * attribute.
    */
-  id: string | null;
+  id: string | null
   /**
    * The label to be rendered by the editor as the displayed text for this mentioned
    * item, if provided. Stored as a `data-label` attribute. See `renderLabel`.
    */
-  label?: string | null;
+  label?: string | null
 }
 
-export type MentionOptions<SuggestionItem = any, Attrs extends Record<string, any> = MentionNodeAttrs> = {
+export type MentionOptions<
+  SuggestionItem = any,
+  Attrs extends Record<string, any> = MentionNodeAttrs,
+> = {
   /**
    * The HTML attributes for a mention node.
    * @default {}
@@ -40,7 +43,10 @@ export type MentionOptions<SuggestionItem = any, Attrs extends Record<string, an
    * @returns The label
    * @example ({ options, node }) => `${options.suggestion.char}${node.attrs.label ?? node.attrs.id}`
    */
-  renderLabel?: (props: { options: MentionOptions<SuggestionItem, Attrs>; node: ProseMirrorNode }) => string
+  renderLabel?: (props: {
+    options: MentionOptions<SuggestionItem, Attrs>
+    node: ProseMirrorNode
+  }) => string
 
   /**
    * A function to render the text of a mention.
@@ -48,7 +54,10 @@ export type MentionOptions<SuggestionItem = any, Attrs extends Record<string, an
    * @returns The text
    * @example ({ options, node }) => `${options.suggestion.char}${node.attrs.label ?? node.attrs.id}`
    */
-  renderText: (props: { options: MentionOptions<SuggestionItem, Attrs>; node: ProseMirrorNode }) => string
+  renderText: (props: {
+    options: MentionOptions<SuggestionItem, Attrs>
+    node: ProseMirrorNode
+  }) => string
 
   /**
    * A function to render the HTML of a mention.
@@ -56,7 +65,10 @@ export type MentionOptions<SuggestionItem = any, Attrs extends Record<string, an
    * @returns The HTML as a ProseMirror DOM Output Spec
    * @example ({ options, node }) => ['span', { 'data-type': 'mention' }, `${options.suggestion.char}${node.attrs.label ?? node.attrs.id}`]
    */
-  renderHTML: (props: { options: MentionOptions<SuggestionItem, Attrs>; node: ProseMirrorNode }) => DOMOutputSpec
+  renderHTML: (props: {
+    options: MentionOptions<SuggestionItem, Attrs>
+    node: ProseMirrorNode
+  }) => DOMOutputSpec
 
   /**
    * Whether to delete the trigger character with backspace.
@@ -133,15 +145,9 @@ export const Tags = Node.create<MentionOptions>({
           const $from = state.doc.resolve(range.from)
           const type = state.schema.nodes[this.name]
           const allow = !!$from.parent.type.contentMatch.matchType(type)
-          console.log({
-            allow,
-            $from,
-            state,
-          })
-
           return allow
         },
-        findSuggestionMatch: findSuggestionMatch
+        findSuggestionMatch: findSuggestionMatch,
       },
     }
   },
@@ -196,10 +202,16 @@ export const Tags = Node.create<MentionOptions>({
 
   renderHTML({node, HTMLAttributes}) {
     if (this.options.renderLabel !== undefined) {
-      console.warn('renderLabel is deprecated use renderText and renderHTML instead')
+      console.warn(
+        'renderLabel is deprecated use renderText and renderHTML instead',
+      )
       return [
         'span',
-        mergeAttributes({ 'data-type': this.name }, this.options.HTMLAttributes, HTMLAttributes),
+        mergeAttributes(
+          {'data-type': this.name},
+          this.options.HTMLAttributes,
+          HTMLAttributes,
+        ),
         this.options.renderLabel({
           options: this.options,
           node,
@@ -208,7 +220,11 @@ export const Tags = Node.create<MentionOptions>({
     }
     const mergedOptions = {...this.options}
 
-    mergedOptions.HTMLAttributes = mergeAttributes({ 'data-type': this.name }, this.options.HTMLAttributes, HTMLAttributes)
+    mergedOptions.HTMLAttributes = mergeAttributes(
+      {'data-type': this.name},
+      this.options.HTMLAttributes,
+      HTMLAttributes,
+    )
     const html = this.options.renderHTML({
       options: mergedOptions,
       node,
@@ -217,7 +233,11 @@ export const Tags = Node.create<MentionOptions>({
     if (typeof html === 'string') {
       return [
         'span',
-        mergeAttributes({ 'data-type': this.name }, this.options.HTMLAttributes, HTMLAttributes),
+        mergeAttributes(
+          {'data-type': this.name},
+          this.options.HTMLAttributes,
+          HTMLAttributes,
+        ),
         html,
       ]
     }
@@ -226,7 +246,9 @@ export const Tags = Node.create<MentionOptions>({
 
   renderText({node}) {
     if (this.options.renderLabel !== undefined) {
-      console.warn('renderLabel is deprecated use renderText and renderHTML instead')
+      console.warn(
+        'renderLabel is deprecated use renderText and renderHTML instead',
+      )
       return this.options.renderLabel({
         options: this.options,
         node,
@@ -240,7 +262,8 @@ export const Tags = Node.create<MentionOptions>({
 
   addKeyboardShortcuts() {
     return {
-      Backspace: () => this.editor.commands.command(({ tr, state }) => {
+      Backspace: () =>
+        this.editor.commands.command(({tr, state}) => {
           let isMention = false
           const {selection} = state
           const {empty, anchor} = selection
@@ -253,7 +276,9 @@ export const Tags = Node.create<MentionOptions>({
             if (node.type.name === this.name) {
               isMention = true
               tr.insertText(
-              this.options.deleteTriggerWithBackspace ? '' : this.options.suggestion.char || '',
+                this.options.deleteTriggerWithBackspace
+                  ? ''
+                  : this.options.suggestion.char || '',
                 pos,
                 pos + node.nodeSize,
               )

src/view/com/composer/text-input/web/Tags/utils.ts

@@ -42,9 +42,12 @@ export function findSuggestionMatch({
 
   if (!tag || tag.length === 0 || tag.length > 64) return null
 
+  const leadingSpaceOffset = fullMatch.startsWith(' ') ? 1 : 0
+  const hashtagOffset = 1
+
   // The absolute position of the match in the document
-  const from = textFrom + fullMatch.indexOf(tag)
+  const from = textFrom + match.index + leadingSpaceOffset
-  const to = from + tag.length + 1
+  const to = from + tag.length + hashtagOffset
 
   // If the $position is located within the matched substring, return that range
   if (from < $position.pos && to >= $position.pos) {
@@ -54,7 +57,7 @@ export function findSuggestionMatch({
         to,
       },
       query: tag.replace(TRAILING_PUNCTUATION_REGEX, ''),
-      text: fullMatch,
+      text: fullMatch.replace(/^\s{1}/, ''),
     }
   }