feat: add default schema to ProsemirrorTransformer and default extensions to TiptapTransformer, making both parameters in toYdoc optional

Author: kriskbx

packages/transformer/src/Prosemirror.ts

@@ -5,6 +5,19 @@ import { Transformer } from './types'
 
 class Prosemirror implements Transformer {
 
+  defaultSchema: Schema = new Schema({
+    nodes: {
+      text: {},
+      doc: { content: 'text*' },
+    },
+  })
+
+  schema(schema: Schema): Prosemirror {
+    this.defaultSchema = schema
+
+    return this
+  }
+
   fromYdoc(document: Doc, fieldName?: string | Array<string>): any {
     const data = {}
 
@@ -26,17 +39,17 @@ class Prosemirror implements Transformer {
     return data
   }
 
-  toYdoc(document: any, schema: Schema, fieldName: string | Array<string> = 'prosemirror'): Doc {
+  toYdoc(document: any, schema?: Schema, fieldName: string | Array<string> = 'prosemirror'): Doc {
     // allow a single field name
     if (typeof fieldName === 'string') {
-      return prosemirrorJSONToYDoc(schema, document, fieldName)
+      return prosemirrorJSONToYDoc(schema || this.defaultSchema, document, fieldName)
     }
 
     const ydoc = new Doc()
 
     fieldName.forEach(field => {
       const update = encodeStateAsUpdate(
-        prosemirrorJSONToYDoc(schema, document, field),
+        prosemirrorJSONToYDoc(schema || this.defaultSchema, document, field),
       )
 
       applyUpdate(ydoc, update)

packages/transformer/src/Tiptap.ts

@@ -1,17 +1,30 @@
 import { Doc } from 'yjs'
 import { Extensions } from '@tiptap/core/dist/packages/core/src/types'
 import { getSchema } from '@tiptap/core'
+import { defaultExtensions } from '@tiptap/starter-kit'
 import { ProsemirrorTransformer } from './Prosemirror'
 import { Transformer } from './types'
 
-class Tiptap implements Transformer {
+export class Tiptap implements Transformer {
+
+  defaultExtensions: Extensions = defaultExtensions()
+
+  extensions(extensions: Extensions): Tiptap {
+    this.defaultExtensions = extensions
+
+    return this
+  }
 
   fromYdoc(document: Doc, fieldName?: string | Array<string>): any {
     return ProsemirrorTransformer.fromYdoc(document, fieldName)
   }
 
-  toYdoc(document: any, extensions: Extensions, fieldName: string | Array<string> = 'default'): Doc {
-    return ProsemirrorTransformer.toYdoc(document, getSchema(extensions), fieldName)
+  toYdoc(document: any, extensions?: Extensions, fieldName: string | Array<string> = 'default'): Doc {
+    return ProsemirrorTransformer.toYdoc(
+      document,
+      getSchema(extensions || this.defaultExtensions),
+      fieldName,
+    )
   }
 
 }