feat: add parentConfig to extension context for more extendable extensions, fix #259

packages/core/src/helpers/createExtensionContext.ts

@@ -0,0 +1,21 @@
+import { AnyExtension, AnyObject } from '../types'
+
+export default function createExtensionContext<T>(
+  extension: AnyExtension,
+  data: T,
+): T & { parentConfig: AnyObject } {
+  const context = {
+    ...data,
+    get parentConfig() {
+      return Object.fromEntries(Object.entries(extension.parentConfig).map(([key, value]) => {
+        if (typeof value !== 'function') {
+          return [key, value]
+        }
+
+        return [key, value.bind(context)]
+      }))
+    },
+  }
+
+  return context
+}

packages/core/src/helpers/getAttributesFromExtensions.ts

@@ -1,3 +1,4 @@
+import createExtensionContext from './createExtensionContext'
 import splitExtensions from './splitExtensions'
 import {
   Extensions,
@@ -24,9 +25,9 @@ export default function getAttributesFromExtensions(extensions: Extensions): Ext
   }
 
   extensions.forEach(extension => {
-    const context = {
+    const context = createExtensionContext(extension, {
       options: extension.options,
-    }
+    })
 
     if (!extension.config.addGlobalAttributes) {
       return
@@ -53,9 +54,9 @@ export default function getAttributesFromExtensions(extensions: Extensions): Ext
   })
 
   nodeAndMarkExtensions.forEach(extension => {
-    const context = {
+    const context = createExtensionContext(extension, {
       options: extension.options,
-    }
+    })
 
     if (!extension.config.addAttributes) {
       return

packages/core/src/helpers/getSchema.ts

@@ -1,6 +1,7 @@
 import { NodeSpec, MarkSpec, Schema } from 'prosemirror-model'
 import { Extensions } from '../types'
 import { ExtensionConfig, NodeConfig, MarkConfig } from '..'
+import createExtensionContext from './createExtensionContext'
 import splitExtensions from './splitExtensions'
 import getAttributesFromExtensions from './getAttributesFromExtensions'
 import getRenderedAttributes from './getRenderedAttributes'
@@ -45,7 +46,9 @@ export default function getSchema(extensions: Extensions): Schema {
 
   const nodes = Object.fromEntries(nodeExtensions.map(extension => {
     const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.config.name)
-    const context = { options: extension.options }
+    const context = createExtensionContext(extension, {
+      options: extension.options,
+    })
 
     const extraNodeFields = nodeSchemaExtenders.reduce((fields, nodeSchemaExtender) => {
       const extraFields = callOrReturn(nodeSchemaExtender, context, extension)
@@ -91,7 +94,9 @@ export default function getSchema(extensions: Extensions): Schema {
 
   const marks = Object.fromEntries(markExtensions.map(extension => {
     const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.config.name)
-    const context = { options: extension.options }
+    const context = createExtensionContext(extension, {
+      options: extension.options,
+    })
 
     const extraMarkFields = markSchemaExtenders.reduce((fields, markSchemaExtender) => {
       const extraFields = callOrReturn(markSchemaExtender, context, extension)