Reduce redundancy in the RequestGraph's file nodes (#9360)

* remove value objects in file nodes

* remove opaque type

* restore opaque type

packages/core/core/src/RequestTracker.js

@@ -13,7 +13,6 @@ import type {
 import type {
   ParcelOptions,
   RequestInvalidation,
-  InternalFile,
   InternalFileCreateInvalidation,
   InternalGlob,
 } from './types';
@@ -84,7 +83,7 @@ type SerializedRequestGraph = {|
   invalidateOnBuildNodeIds: Set<NodeId>,
 |};
 
-type FileNode = {|id: ContentKey, +type: 'file', value: InternalFile|};
+type FileNode = {|id: ContentKey, +type: 'file'|};
 type GlobNode = {|id: ContentKey, +type: 'glob', value: InternalGlob|};
 type FileNameNode = {|
   id: ContentKey,
@@ -167,7 +166,6 @@ export type StaticRunOpts<TResult> = {|
 const nodeFromFilePath = (filePath: ProjectPath): RequestGraphNode => ({
   id: fromProjectPathRelative(filePath),
   type: 'file',
-  value: {filePath},
 });
 
 const nodeFromGlob = (glob: InternalGlob): RequestGraphNode => ({
@@ -609,7 +607,7 @@ export class RequestGraph extends ContentGraph<
         let node = nullthrows(this.getNode(nodeId));
         switch (node.type) {
           case 'file':
-            return {type: 'file', filePath: node.value.filePath};
+            return {type: 'file', filePath: toProjectPathUnsafe(node.id)};
           case 'env':
             return {type: 'env', key: node.value.key};
           case 'option':
@@ -675,7 +673,7 @@ export class RequestGraph extends ContentGraph<
           requestGraphEdgeTypes.invalidated_by_create_above,
         ) &&
         isDirectoryInside(
-          fromProjectPathRelative(matchNode.value.filePath),
+          fromProjectPathRelative(toProjectPathUnsafe(matchNode.id)),
           dirname,
         )
       ) {