chore(gatsby): Remove unnecessary checks (#17289)

Author: stefanprobst

packages/gatsby/src/schema/__tests__/node-model.js

@@ -117,14 +117,6 @@ describe(`NodeModel`, () => {
         nodeModel.getNodeById({ id: `person4` }, { path: `/` })
         expect(createPageDependency).not.toHaveBeenCalled()
       })
-
-      it(`handles already resolved id`, () => {
-        const result = nodeModel.getNodeById({
-          id: { id: `person1`, name: `Person1` },
-        })
-        expect(result.id).toBe(`person1`)
-        expect(result.name).toBe(`Person1`)
-      })
     })
 
     describe(`getNodesByIds`, () => {
@@ -203,23 +195,6 @@ describe(`NodeModel`, () => {
         nodeModel.getNodesByIds({ ids: [`person4`, `post4`] }, { path: `/` })
         expect(createPageDependency).not.toHaveBeenCalled()
       })
-
-      it(`handles already resolved ids`, () => {
-        const result = nodeModel.getNodesByIds({
-          ids: [
-            { id: `person1`, name: `Person1` },
-            `person2`,
-            { id: `post1`, frontmatter: { published: false } },
-          ],
-        })
-        expect(result.length).toBe(3)
-        expect(result[0].id).toBe(`person1`)
-        expect(result[0].name).toBe(`Person1`)
-        expect(result[1].id).toBe(`person2`)
-        expect(result[1].name).toBe(`Person2`)
-        expect(result[2].id).toBe(`post1`)
-        expect(result[2].frontmatter.published).toBe(false)
-      })
     })
 
     describe(`getAllNodes`, () => {

packages/gatsby/src/schema/node-model.js

@@ -13,7 +13,6 @@ const {
 const invariant = require(`invariant`)
 const reporter = require(`gatsby-cli/lib/reporter`)
 
-type IDOrNode = string | { id: string }
 type TypeOrTypeName = string | GraphQLOutputType
 
 /**
@@ -36,11 +35,11 @@ interface QueryArguments {
 
 export interface NodeModel {
   getNodeById(
-    { id: IDOrNode, type?: TypeOrTypeName },
+    { id: string, type?: TypeOrTypeName },
     pageDependencies?: PageDependencies
   ): any | null;
   getNodesByIds(
-    { ids: Array<IDOrNode>, type?: TypeOrTypeName },
+    { ids: Array<string>, type?: TypeOrTypeName },
     pageDependencies?: PageDependencies
   ): Array<any>;
   getAllNodes(
@@ -458,15 +457,8 @@ class ContextualNodeModel {
   }
 }
 
-const getNodeById = (nodeStore, id) => {
-  // This is for cases when the `id` has already been resolved
-  // to a full Node for the input filter, and is also in the selection
-  // set. E.g. `{ foo(parent: { id: { eq: 1 } } ) { parent { id } } }`.
-  if (_.isPlainObject(id) && id.id) {
-    return id
-  }
-  return id != null ? nodeStore.getNode(id) : null
-}
+const getNodeById = (nodeStore, id) =>
+  id != null ? nodeStore.getNode(id) : null
 
 const toNodeTypeNames = (schema, gqlTypeName) => {
   const gqlType =

packages/gatsby/src/schema/resolvers.js

@@ -126,13 +126,7 @@ const link = (options = {}, fieldConfig) => async (
     fromNode: options.from ? options.fromNode : info.fromNode,
   })
 
-  if (fieldValue == null || _.isPlainObject(fieldValue)) return fieldValue
-  if (
-    Array.isArray(fieldValue) &&
-    (fieldValue[0] == null || _.isPlainObject(fieldValue[0]))
-  ) {
-    return fieldValue
-  }
+  if (fieldValue == null) return null
 
   const returnType = getNullableType(options.type || info.returnType)
   const type = getNamedType(returnType)
@@ -194,13 +188,7 @@ const fileByPath = (options = {}, fieldConfig) => async (
     fromNode: options.from ? options.fromNode : info.fromNode,
   })
 
-  if (fieldValue == null || _.isPlainObject(fieldValue)) return fieldValue
-  if (
-    Array.isArray(fieldValue) &&
-    (fieldValue[0] == null || _.isPlainObject(fieldValue[0]))
-  ) {
-    return fieldValue
-  }
+  if (fieldValue == null) return null
 
   const findLinkedFileNode = relativePath => {
     // Use the parent File node to create the absolute path to