move suggestion list code to separate file

web/components/editor.tsx

@@ -7,7 +7,6 @@ import {
   JSONContent,
   Content,
   Editor,
-  ReactRenderer,
 } from '@tiptap/react'
 import StarterKit from '@tiptap/starter-kit'
 import { Image } from '@tiptap/extension-image'
@@ -18,12 +17,11 @@ import { useEffect } from 'react'
 import { Linkify } from './linkify'
 import { uploadImage } from 'web/lib/firebase/storage'
 import { useMutation } from 'react-query'
-import { exhibitExts, searchInAny } from 'common/util/parse'
+import { exhibitExts } from 'common/util/parse'
 import { FileUploadButton } from './file-upload-button'
 import { linkClass } from './site-link'
 import { useUsers } from 'web/hooks/use-users'
-import { MentionList } from './editor/mention-list'
-import tippy from 'tippy.js'
+import { mentionSuggestion } from './editor/mention-suggestion'
 
 const proseClass = clsx(
   'prose prose-p:my-0 prose-li:my-0 prose-blockquote:not-italic max-w-none prose-quoteless leading-relaxed',
@@ -75,59 +73,7 @@ export function useTextEditor(props: {
               { href: node.attrs.label },
               `${options.suggestion.char}${node.attrs.label ?? node.attrs.id}`,
             ] as any,
-          suggestion: {
-            items: ({ query }) =>
-              users
-                .filter((u) => searchInAny(query, u.username, u.name))
-                .slice(0, 5),
-            render: () => {
-              let component: any
-              let popup: any
-              return {
-                onStart: (props) => {
-                  component = new ReactRenderer(MentionList, {
-                    props,
-                    editor: props.editor,
-                  })
-                  if (!props.clientRect) {
-                    return
-                  }
-
-                  popup = tippy('body', {
-                    getReferenceClientRect: props.clientRect as any,
-                    appendTo: () => document.body,
-                    content: component.element,
-                    showOnCreate: true,
-                    interactive: true,
-                    trigger: 'manual',
-                    placement: 'bottom-start',
-                  })
-                },
-                onUpdate(props) {
-                  component.updateProps(props)
-
-                  if (!props.clientRect) {
-                    return
-                  }
-
-                  popup[0].setProps({
-                    getReferenceClientRect: props.clientRect,
-                  })
-                },
-                onKeyDown(props) {
-                  if (props.event.key === 'Escape') {
-                    popup[0].hide()
-                    return true
-                  }
-                  return component.ref?.onKeyDown(props)
-                },
-                onExit() {
-                  popup[0].destroy()
-                  component.destroy()
-                },
-              }
-            },
-          },
+          suggestion: mentionSuggestion(users),
         }),
       ],
       content: defaultValue,

web/components/editor/mention-list.tsx

@@ -4,7 +4,7 @@ import { User } from 'common/user'
 import { forwardRef, useEffect, useImperativeHandle, useState } from 'react'
 import { Avatar } from '../avatar'
 
-// copied from https://tiptap.dev/api/nodes/mention
+// copied from https://tiptap.dev/api/nodes/mention#usage
 export const MentionList = forwardRef((props: SuggestionProps<User>, ref) => {
   const { items: users, command } = props
 

web/components/editor/mention-suggestion.ts

@@ -0,0 +1,61 @@
+import type { MentionOptions } from '@tiptap/extension-mention'
+import { ReactRenderer } from '@tiptap/react'
+import { User } from 'common/lib/user'
+import { searchInAny } from 'common/util/parse'
+import tippy from 'tippy.js'
+import { MentionList } from './mention-list'
+
+type Suggestion = MentionOptions['suggestion']
+
+// copied from https://tiptap.dev/api/nodes/mention#usage
+export const mentionSuggestion = (users: User[]): Suggestion => ({
+  items: ({ query }) =>
+    users.filter((u) => searchInAny(query, u.username, u.name)).slice(0, 5),
+  render: () => {
+    let component: any
+    let popup: any
+    return {
+      onStart: (props) => {
+        component = new ReactRenderer(MentionList, {
+          props,
+          editor: props.editor,
+        })
+        if (!props.clientRect) {
+          return
+        }
+
+        popup = tippy('body', {
+          getReferenceClientRect: props.clientRect as any,
+          appendTo: () => document.body,
+          content: component.element,
+          showOnCreate: true,
+          interactive: true,
+          trigger: 'manual',
+          placement: 'bottom-start',
+        })
+      },
+      onUpdate(props) {
+        component.updateProps(props)
+
+        if (!props.clientRect) {
+          return
+        }
+
+        popup[0].setProps({
+          getReferenceClientRect: props.clientRect,
+        })
+      },
+      onKeyDown(props) {
+        if (props.event.key === 'Escape') {
+          popup[0].hide()
+          return true
+        }
+        return component.ref?.onKeyDown(props)
+      },
+      onExit() {
+        popup[0].destroy()
+        component.destroy()
+      },
+    }
+  },
+})