deprecates (internal) buildResolveInfo in favor of new (internal) ResolveInfo class

(ResolveInfo upgraded in v17 to be lazy and include abortSignal)

Change appreciable only to those using deep imports.

Author: yaacovCR

src/execution/ResolveInfo.ts

@@ -0,0 +1,59 @@
+import type { ObjMap } from '../jsutils/ObjMap';
+import type { Path } from '../jsutils/Path';
+
+import type {
+  FieldNode,
+  FragmentDefinitionNode,
+  OperationDefinitionNode,
+} from '../language/ast';
+
+import type {
+  GraphQLField,
+  GraphQLObjectType,
+  GraphQLOutputType,
+  GraphQLResolveInfo,
+} from '../type/definition';
+import type { GraphQLSchema } from '../type/schema';
+
+interface ExecutionDetails {
+  schema: GraphQLSchema;
+  fragments: ObjMap<FragmentDefinitionNode>;
+  rootValue: unknown;
+  operation: OperationDefinitionNode;
+  variableValues: { [key: string]: unknown };
+}
+
+/** @internal */
+export class ResolveInfo implements GraphQLResolveInfo {
+  readonly fieldName: string;
+  readonly fieldNodes: ReadonlyArray<FieldNode>;
+  readonly returnType: GraphQLOutputType;
+  readonly parentType: GraphQLObjectType;
+  readonly path: Path;
+  readonly schema: GraphQLSchema;
+  readonly fragments: ObjMap<FragmentDefinitionNode>;
+  readonly rootValue: unknown;
+  readonly operation: OperationDefinitionNode;
+  readonly variableValues: { [variable: string]: unknown };
+
+  constructor(
+    executionDetails: ExecutionDetails,
+    fieldDef: GraphQLField<unknown, unknown>,
+    fieldNodes: ReadonlyArray<FieldNode>,
+    parentType: GraphQLObjectType,
+    path: Path,
+  ) {
+    this.fieldName = fieldNodes[0].name.value;
+    this.fieldNodes = fieldNodes;
+    this.returnType = fieldDef.type;
+    this.parentType = parentType;
+    this.path = path;
+    const { schema, fragments, rootValue, operation, variableValues } =
+      executionDetails;
+    this.schema = schema;
+    this.fragments = fragments;
+    this.rootValue = rootValue;
+    this.operation = operation;
+    this.variableValues = variableValues;
+  }
+}

src/execution/execute.ts

@@ -56,6 +56,7 @@ import {
   collectFields,
   collectSubfields as _collectSubfields,
 } from './collectFields';
+import { ResolveInfo } from './ResolveInfo';
 import { getArgumentValues, getVariableValues } from './values';
 
 /**
@@ -551,7 +552,7 @@ function executeField(
   const returnType = fieldDef.type;
   const resolveFn = fieldDef.resolve ?? exeContext.fieldResolver;
 
-  const info = buildResolveInfo(
+  const info = new ResolveInfo(
     exeContext,
     fieldDef,
     fieldNodes,
@@ -609,6 +610,7 @@ function executeField(
 }
 
 /**
+ * @deprecated will be removed in v17, use ResolveInfo class instead
  * @internal
  */
 export function buildResolveInfo(

src/execution/subscribe.ts

@@ -22,11 +22,11 @@ import {
   // eslint-disable-next-line import/no-deprecated
   assertValidExecutionArguments,
   buildExecutionContext,
-  buildResolveInfo,
   execute,
   getFieldDef,
 } from './execute';
 import { mapAsyncIterator } from './mapAsyncIterator';
+import { ResolveInfo } from './ResolveInfo';
 import { getArgumentValues } from './values';
 
 /**
@@ -228,7 +228,7 @@ async function executeSubscription(
   }
 
   const path = addPath(undefined, responseName, rootType.name);
-  const info = buildResolveInfo(
+  const info = new ResolveInfo(
     exeContext,
     fieldDef,
     fieldNodes,