minor readability refactors

src/gql-graph/documentSelection/helpers.ts

+import { Field, UnionLookupField } from '../types'
+
+export const isUnionLookupField = (_: Field): _ is UnionLookupField => !!(_ && 'lookups' in _)

src/gql-graph/buildDocumentSelection.ts → src/gql-graph/documentSelection/index.ts

 import {
   DocumentSelection,
-  Field,
   GraphQuery,
   GraphQueryObj,
   UnionLookupField,
   ValueField,
-} from './types'
+} from '../types'
+import { isUnionLookupField } from './helpers'
 
-export const buildQueryDocumentSelection = (
+export const buildDocumentSelectionRoot = (
   root: GraphQuery | null | undefined
 ): DocumentSelection | null | undefined => {
   return root && buildDocumentSelection(root.qObj)
@@ -68,5 +68,3 @@ const aliasConflictError = (selection: GraphQueryObj, par: GraphQueryObj) => {
   console.error(`A ValueField can't have same alias[${selection.alias}] as a UnionLookupField`, par)
   return new Error(`A ValueField can't have same alias[${selection.alias}] as a UnionLookupField`)
 }
-
-export const isUnionLookupField = (_: Field): _ is UnionLookupField => !!(_ && 'lookups' in _)

src/gql-graph/graphQuery.ts → src/gql-graph/graphqlResolver/helpers.ts

 import { Path } from 'graphql/jsutils/Path'
-import { Context } from '../gql'
+import { Context } from '../../gql'
 import {
   GraphQLResolveInfo,
   GraphQLOutputType,
@@ -11,7 +11,7 @@ import {
   GraphQLInterfaceType,
   GraphQLSchema,
 } from 'graphql'
-import { GraphQueryObj } from './types'
+import { GraphQueryObj } from '../types'
 
 export const typeInfo = (
   schema: GraphQLSchema,

src/gql-graph/defaultGraphFieldResolver.ts → src/gql-graph/graphqlResolver/index.ts

-import { Context } from '../gql'
-import { ResolverFn } from '../gql/types'
-import { ShallowTypeMocks } from '../gql/shallowTypes'
-import { typeInfo, getParent } from './graphQuery'
-import { GraphQueryObj, TraverseRelation } from './types'
+import { Context } from '../../gql'
+import { ResolverFn } from '../../gql/types'
+import { ShallowTypeMocks } from '../../gql/shallowTypes'
+import { typeInfo, getParent } from './helpers'
+import { GraphQueryObj, TraverseRelation } from '../types'
 
 export function defaultGraphFieldResolver(): ResolverFn<any, any, Context, any> {
   return (parent, args, context, info) => {

src/gql-graph/mongo/buildMongoPipeline.ts

+import { isUnionLookupField } from '../documentSelection/helpers'
 import { DocumentSelection } from '../types'
-import { isUnionLookupField } from '../buildDocumentSelection'
 export const buildMongoPipeline = (docS: DocumentSelection, notTop?: boolean) => {
   const lookups = [] as any[]
   const project = { __typename: true } as Record<string, any>

src/gql/resolvers/query/index.ts

-import { defaultGraphFieldResolver } from '../../../gql-graph/defaultGraphFieldResolver'
+import { defaultGraphFieldResolver } from '../../../gql-graph/graphqlResolver'
 import { QueryResolvers } from '../../types'
 
 export const Query: QueryResolvers = {

src/gql/resolvers/types/index.ts

-import { defaultGraphFieldResolver } from '../../../gql-graph/defaultGraphFieldResolver'
+import { defaultGraphFieldResolver } from '../../../gql-graph/graphqlResolver'
 export const Types = {
   User: {
     _id: defaultGraphFieldResolver(),

src/http/index.ts

@@ -4,7 +4,7 @@ import express from 'express'
 import { graphql, GraphQLSchema } from 'graphql'
 import { Context } from '../gql'
 import { buildMongoPipeline } from '../gql-graph/mongo/buildMongoPipeline'
-import { buildQueryDocumentSelection } from '../gql-graph/buildDocumentSelection'
+import { buildDocumentSelectionRoot } from '../gql-graph/documentSelection'
 import { collection } from '../mongo/collection'
 
 type Cfg = {
@@ -24,7 +24,7 @@ const executor: GraphQLServerOptions['executor'] = async (requestContext) => {
   const res = await graphql({ ...requestContext, contextValue: ctx })
   console.dir({ 'executor res': res }, { depth: 15 })
   console.dir({ 'executor $graph': ctx }, { depth: 15 })
-  const documentSelection = buildQueryDocumentSelection(ctx.$graph)
+  const documentSelection = buildDocumentSelectionRoot(ctx.$graph)
   console.dir({ 'executor documentSelection': documentSelection }, { depth: 15 })
   if (documentSelection) {
     const pipeline = buildMongoPipeline(documentSelection)