feat: Changing note type from Super to any other type will now show a conversion dialog

packages/web/src/javascripts/Components/SuperEditor/SuperNoteConverter.tsx

@@ -0,0 +1,177 @@
+import { ContentType, NoteContent, NoteType, SNNote, spaceSeparatedStrings } from '@standardnotes/snjs'
+import { useCallback, useEffect, useMemo } from 'react'
+import { useApplication } from '../ApplicationProvider'
+import ComponentView from '../ComponentView/ComponentView'
+import Icon from '../Icon/Icon'
+import Modal, { ModalAction } from '../Modal/Modal'
+import { EditorMenuItem } from '../NotesOptions/EditorMenuItem'
+import { NoteViewController } from '../NoteView/Controller/NoteViewController'
+import { exportSuperNote } from './SuperNoteExporter'
+
+const SuperNoteConverter = ({
+  note,
+  convertTo,
+  closeDialog,
+  onComplete,
+}: {
+  note: SNNote
+  convertTo: EditorMenuItem
+  closeDialog: () => void
+  onComplete: () => void
+}) => {
+  const application = useApplication()
+  const { name, noteType, component } = convertTo
+
+  const format = useMemo(() => {
+    if (component && component.package_info.file_type) {
+      return component.package_info.file_type
+    }
+
+    if (noteType === NoteType.Markdown) {
+      return 'md'
+    }
+
+    if (noteType === NoteType.RichText) {
+      return 'html'
+    }
+
+    if (noteType === NoteType.Plain) {
+      return 'txt'
+    }
+
+    return 'json'
+  }, [component, noteType])
+
+  const convertedContent = useMemo(() => {
+    return exportSuperNote(note, format)
+  }, [format, note])
+
+  const componentViewer = useMemo(() => {
+    if (!component) {
+      return undefined
+    }
+
+    const templateNoteForRevision = application.mutator.createTemplateItem<NoteContent, SNNote>(ContentType.Note, {
+      title: note.title,
+      text: convertedContent,
+      references: note.references,
+    })
+
+    const componentViewer = application.componentManager.createComponentViewer(component)
+    componentViewer.setReadonly(true)
+    componentViewer.lockReadonly = true
+    componentViewer.overrideContextItem = templateNoteForRevision
+    return componentViewer
+  }, [application.componentManager, application.mutator, component, convertedContent, note.references, note.title])
+
+  useEffect(() => {
+    return () => {
+      if (componentViewer) {
+        application.componentManager.destroyComponentViewer(componentViewer)
+      }
+    }
+  }, [application.componentManager, componentViewer])
+
+  const performConvert = useCallback(
+    async (text: string) => {
+      const controller = new NoteViewController(application, note)
+      await controller.initialize()
+      await controller.saveAndAwaitLocalPropagation({
+        text,
+        isUserModified: true,
+        bypassDebouncer: true,
+      })
+    },
+    [application, note],
+  )
+
+  const confirmConvert = useCallback(async () => {
+    await performConvert(convertedContent)
+    onComplete()
+    closeDialog()
+  }, [closeDialog, convertedContent, onComplete, performConvert])
+
+  const isSeamlessConvert = note.text.length === 0
+  useEffect(() => {
+    if (isSeamlessConvert) {
+      void confirmConvert()
+    }
+  }, [isSeamlessConvert, confirmConvert])
+
+  const convertAsIs = useCallback(async () => {
+    const confirmed = await application.alertService.confirm(
+      spaceSeparatedStrings(
+        "This option is useful if you want to edit the note's content which is in Super's JSON format directly.",
+        'This format is not human-readable. If you want to convert the note to a human-readable format, please use the "Convert" option instead.',
+      ),
+      'Are you sure?',
+    )
+    if (!confirmed) {
+      return
+    }
+
+    closeDialog()
+
+    await performConvert(note.text)
+
+    onComplete()
+  }, [closeDialog, application, note, onComplete, performConvert])
+
+  const modalActions = useMemo(
+    (): ModalAction[] => [
+      {
+        label: 'Cancel',
+        onClick: closeDialog,
+        type: 'cancel',
+        mobileSlot: 'left',
+      },
+      {
+        label: 'Convert',
+        onClick: confirmConvert,
+        mobileSlot: 'right',
+        type: 'primary',
+      },
+      {
+        label: 'Convert As-Is',
+        onClick: convertAsIs,
+        type: 'secondary',
+      },
+    ],
+    [closeDialog, confirmConvert, convertAsIs],
+  )
+
+  return (
+    <Modal
+      title={`Convert to ${name}`}
+      close={closeDialog}
+      actions={modalActions}
+      className={{
+        content: 'md:h-full md:max-h-[90%]',
+        description: 'flex flex-col !overflow-hidden',
+      }}
+    >
+      {format === 'txt' || format === 'md' ? (
+        <div className="flex items-start border-b border-border p-4 text-sm">
+          <Icon type="warning" className="mr-2 flex-shrink-0" />
+          Conversion from Super's format to Markdown/Plaintext can be lossy. Please review the converted note before
+          saving.
+        </div>
+      ) : null}
+      {componentViewer ? (
+        <div className="component-view min-h-0">
+          <ComponentView key={componentViewer.identifier} componentViewer={componentViewer} application={application} />
+        </div>
+      ) : (
+        <div className="h-full min-h-0 overflow-hidden">
+          <textarea
+            readOnly={true}
+            className="font-editor h-full w-full resize-none border-0 bg-default p-4 text-editor text-text"
+            value={convertedContent}
+          />
+        </div>
+      )}
+    </Modal>
+  )
+}
+
+export default SuperNoteConverter