prevent resolver from breaking when no existing node exists

TylerBarnes · TylerBarnes · commit a9b139c2ef1e · 2021-02-26T18:18:32.000-08:00
diff --git a/packages/gatsby-source-wordpress/src/steps/create-schema-customization/transform-fields/transform-object.js b/packages/gatsby-source-wordpress/src/steps/create-schema-customization/transform-fields/transform-object.js
@@ -54,7 +54,7 @@ export const buildGatsbyNodeObjectResolver = ({ field, fieldName }) => async (
     schema: { typePrefix: prefix },
   } = getPluginOptions()
 
-  if (!existingNode.__typename.startsWith(prefix)) {
+  if (existingNode?.__typename && !existingNode.__typename.startsWith(prefix)) {
     existingNode.__typename = buildTypeName(existingNode.__typename)
   }
 

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,7 @@ export const buildGatsbyNodeObjectResolver = ({ field, fieldName }) => async (`
`54`	`54`	`schema: { typePrefix: prefix },`
`55`	`55`	`} = getPluginOptions()`
`56`	`56`
`57`		`- if (!existingNode.__typename.startsWith(prefix)) {`
	`57`	`+ if (existingNode?.__typename && !existingNode.__typename.startsWith(prefix)) {`
`58`	`58`	`existingNode.__typename = buildTypeName(existingNode.__typename)`
`59`	`59`	`}`
`60`	`60`