refactor(graphql-codegen): separate concerns by moving business logic to core

graphql/codegen/examples/single-target.config.ts

@@ -1,8 +1,7 @@
 import { defineConfig } from '../src/types/config';
 
 /**
- * Single-target config (backward compatible format)
- * Tests that the old config format without "targets" key still works.
+ * Single-target config
  */
 export default defineConfig({
   endpoint: 'http://api.localhost:3000/graphql',

graphql/codegen/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@constructive-io/graphql-codegen",
   "version": "2.32.0",
-  "description": "CLI-based GraphQL SDK generator for PostGraphile endpoints with React Query hooks",
+  "description": "GraphQL SDK generator for Constructive databases with React Query hooks",
   "keywords": [
     "graphql",
     "postgraphile",
@@ -35,7 +35,7 @@
   "scripts": {
     "clean": "makage clean",
     "prepack": "npm run build",
-    "copy:ts": "makage copy src/cli/codegen/orm/query-builder.ts dist/cli/codegen/orm --flat",
+    "copy:ts": "makage copy src/core/codegen/orm/query-builder.ts dist/core/codegen/orm --flat",
     "build": "makage build && npm run copy:ts",
     "build:dev": "makage build --dev && npm run copy:ts",
     "dev": "ts-node ./src/index.ts",
@@ -44,10 +44,10 @@
     "fmt:check": "prettier --check .",
     "test": "jest --passWithNoTests",
     "test:watch": "jest --watch",
-    "example:codegen:sdk": "tsx src/cli/index.ts generate --config examples/multi-target.config.ts",
-    "example:codegen:orm": "tsx src/cli/index.ts generate-orm --config examples/multi-target.config.ts",
-    "example:codegen:sdk:schema": "node dist/cli/index.js generate --schema examples/example.schema.graphql --output examples/output/generated-sdk-schema",
-    "example:codegen:orm:schema": "node dist/cli/index.js generate-orm --schema examples/example.schema.graphql --output examples/output/generated-orm-schema",
+        "example:codegen:sdk": "tsx src/cli/index.ts generate --config examples/multi-target.config.ts --react-query",
+        "example:codegen:orm": "tsx src/cli/index.ts generate --config examples/multi-target.config.ts --orm",
+        "example:codegen:sdk:schema": "node dist/cli/index.js generate --schema examples/example.schema.graphql --output examples/output/generated-sdk-schema --react-query",
+        "example:codegen:orm:schema": "node dist/cli/index.js generate --schema examples/example.schema.graphql --output examples/output/generated-orm-schema --orm",
     "example:sdk": "tsx examples/react-hooks-sdk-test.tsx",
     "example:orm": "tsx examples/orm-sdk-test.ts",
     "example:sdk:typecheck": "tsc --noEmit --jsx react --esModuleInterop --skipLibCheck --moduleResolution node examples/react-hooks-sdk-test.tsx"
@@ -56,8 +56,10 @@
     "@0no-co/graphql.web": "^1.1.2",
     "@babel/generator": "^7.28.6",
     "@babel/types": "^7.28.6",
+    "@constructive-io/graphql-server": "workspace:^",
     "@constructive-io/graphql-types": "workspace:^",
     "@inquirerer/utils": "^3.2.0",
+    "@pgpmjs/core": "workspace:^",
     "ajv": "^8.17.1",
     "deepmerge": "^4.3.1",
     "find-and-require-package-json": "^0.9.0",
@@ -66,7 +68,12 @@
     "inflekt": "^0.3.0",
     "inquirerer": "^4.4.0",
     "jiti": "^2.6.1",
-    "prettier": "^3.7.4"
+    "pg-cache": "workspace:^",
+    "pg-env": "workspace:^",
+    "pgsql-client": "workspace:^",
+    "pgsql-seed": "workspace:^",
+    "prettier": "^3.7.4",
+    "undici": "^7.19.0"
   },
   "peerDependencies": {
     "@tanstack/react-query": "^5.0.0",

graphql/codegen/src/__tests__/codegen/client-generator.test.ts

@@ -8,7 +8,7 @@ import {
   generateQueryBuilderFile,
   generateSelectTypesFile,
   generateCreateClientFile,
-} from '../../cli/codegen/orm/client-generator';
+} from '../../core/codegen/orm/client-generator';
 import type { CleanTable, CleanFieldType, CleanRelations } from '../../types/schema';
 
 // ============================================================================

graphql/codegen/src/__tests__/codegen/format-output.test.ts

@@ -5,7 +5,7 @@
 import * as fs from 'node:fs';
 import * as path from 'node:path';
 import * as os from 'node:os';
-import { formatOutput } from '../../cli/commands/generate';
+import { formatOutput } from '../../core/output';
 
 describe('formatOutput', () => {
   let tempDir: string;

graphql/codegen/src/__tests__/codegen/input-types-generator.test.ts

@@ -6,7 +6,7 @@
  * used to validate the AST-based migration produces equivalent results.
  */
 // Jest globals - no import needed
-import { generateInputTypesFile, collectInputTypeNames, collectPayloadTypeNames } from '../../cli/codegen/orm/input-types-generator';
+import { generateInputTypesFile, collectInputTypeNames, collectPayloadTypeNames } from '../../core/codegen/orm/input-types-generator';
 import type {
   CleanTable,
   CleanFieldType,

graphql/codegen/src/__tests__/codegen/model-generator.test.ts

@@ -3,7 +3,7 @@
  *
  * Tests the generated model classes with findMany, findFirst, create, update, delete methods.
  */
-import { generateModelFile } from '../../cli/codegen/orm/model-generator';
+import { generateModelFile } from '../../core/codegen/orm/model-generator';
 import type { CleanTable, CleanFieldType, CleanRelations } from '../../types/schema';
 
 // ============================================================================

graphql/codegen/src/__tests__/codegen/query-keys-factory.test.ts

@@ -6,11 +6,11 @@
  * - Mutation keys factory (mutation-keys.ts)
  * - Cache invalidation helpers (invalidation.ts)
  */
-import { generateQueryKeysFile } from '../../cli/codegen/query-keys';
-import { generateMutationKeysFile } from '../../cli/codegen/mutation-keys';
-import { generateInvalidationFile } from '../../cli/codegen/invalidation';
+import { generateQueryKeysFile } from '../../core/codegen/query-keys';
+import { generateMutationKeysFile } from '../../core/codegen/mutation-keys';
+import { generateInvalidationFile } from '../../core/codegen/invalidation';
 import type { CleanTable, CleanFieldType, CleanRelations, CleanOperation, CleanTypeRef } from '../../types/schema';
-import type { ResolvedQueryKeyConfig, EntityRelationship } from '../../types/config';
+import type { QueryKeyConfig, EntityRelationship } from '../../types/config';
 
 const fieldTypes = {
   uuid: { gqlType: 'UUID', isArray: false } as CleanFieldType,
@@ -141,7 +141,7 @@ const fieldTable = createTable({
   },
 });
 
-const simpleConfig: ResolvedQueryKeyConfig = {
+const simpleConfig: QueryKeyConfig = {
   style: 'hierarchical',
   relationships: {},
   generateScopedKeys: true,

graphql/codegen/src/__tests__/codegen/react-query-hooks.test.ts

@@ -9,18 +9,18 @@
  * - Schema types
  * - Barrel files
  */
-import { generateListQueryHook, generateSingleQueryHook } from '../../cli/codegen/queries';
-import { generateCreateMutationHook, generateUpdateMutationHook, generateDeleteMutationHook } from '../../cli/codegen/mutations';
-import { generateCustomQueryHook } from '../../cli/codegen/custom-queries';
-import { generateCustomMutationHook } from '../../cli/codegen/custom-mutations';
-import { generateSchemaTypesFile } from '../../cli/codegen/schema-types-generator';
+import { generateListQueryHook, generateSingleQueryHook } from '../../core/codegen/queries';
+import { generateCreateMutationHook, generateUpdateMutationHook, generateDeleteMutationHook } from '../../core/codegen/mutations';
+import { generateCustomQueryHook } from '../../core/codegen/custom-queries';
+import { generateCustomMutationHook } from '../../core/codegen/custom-mutations';
+import { generateSchemaTypesFile } from '../../core/codegen/schema-types-generator';
 import {
   generateQueriesBarrel,
   generateMutationsBarrel,
   generateMainBarrel,
   generateCustomQueriesBarrel,
   generateCustomMutationsBarrel,
-} from '../../cli/codegen/barrel';
+} from '../../core/codegen/barrel';
 import type {
   CleanTable,
   CleanFieldType,

graphql/codegen/src/__tests__/codegen/react-query-optional.test.ts

@@ -6,10 +6,10 @@
  * - Mutation generators return null (since they require React Query)
  * - Standalone fetch functions are still generated for queries
  */
-import { generateListQueryHook, generateSingleQueryHook, generateAllQueryHooks } from '../../cli/codegen/queries';
-import { generateCreateMutationHook, generateUpdateMutationHook, generateDeleteMutationHook, generateAllMutationHooks } from '../../cli/codegen/mutations';
-import { generateCustomQueryHook, generateAllCustomQueryHooks } from '../../cli/codegen/custom-queries';
-import { generateCustomMutationHook, generateAllCustomMutationHooks } from '../../cli/codegen/custom-mutations';
+import { generateListQueryHook, generateSingleQueryHook, generateAllQueryHooks } from '../../core/codegen/queries';
+import { generateCreateMutationHook, generateUpdateMutationHook, generateDeleteMutationHook, generateAllMutationHooks } from '../../core/codegen/mutations';
+import { generateCustomQueryHook, generateAllCustomQueryHooks } from '../../core/codegen/custom-queries';
+import { generateCustomMutationHook, generateAllCustomMutationHooks } from '../../core/codegen/custom-mutations';
 import type { CleanTable, CleanFieldType, CleanRelations, CleanOperation, CleanTypeRef, TypeRegistry } from '../../types/schema';
 
 // ============================================================================

graphql/codegen/src/__tests__/codegen/scalars.test.ts

@@ -8,7 +8,7 @@ import {
   BASE_FILTER_TYPE_NAMES,
   scalarToTsType,
   scalarToFilterType,
-} from '../../cli/codegen/scalars';
+} from '../../core/codegen/scalars';
 
 describe('scalars', () => {
   describe('SCALAR_TS_MAP', () => {

graphql/codegen/src/__tests__/codegen/schema-types-generator.test.ts

@@ -1,7 +1,7 @@
 /**
  * Snapshot tests for schema-types-generator
  */
-import { generateSchemaTypesFile } from '../../cli/codegen/schema-types-generator';
+import { generateSchemaTypesFile } from '../../core/codegen/schema-types-generator';
 import type { TypeRegistry, ResolvedType } from '../../types/schema';
 
 function createTypeRegistry(types: Array<[string, ResolvedType]>): TypeRegistry {

graphql/codegen/src/__tests__/codegen/utils.test.ts

@@ -13,7 +13,7 @@ import {
   gqlTypeToTs,
   getPrimaryKeyInfo,
   getGeneratedFileHeader,
-} from '../../cli/codegen/utils';
+} from '../../core/codegen/utils';
 import type { CleanTable, CleanRelations } from '../../types/schema';
 
 const emptyRelations: CleanRelations = {

graphql/codegen/src/__tests__/config/resolve-config.test.ts

@@ -19,7 +19,7 @@ describe('config resolution', () => {
     const resolved = resolveConfig(config);
 
     expect(resolved.endpoint).toBe('https://api.example.com/graphql');
-    expect(resolved.schema).toBeNull();
+    expect(resolved.schemaFile).toBeUndefined();
     expect(resolved.output).toBe(DEFAULT_CONFIG.output);
     expect(resolved.tables.include).toEqual(DEFAULT_CONFIG.tables.include);
     expect(resolved.queries.exclude).toEqual(DEFAULT_CONFIG.queries.exclude);
@@ -77,7 +77,7 @@ describe('config resolution', () => {
           output: './generated/public',
         },
         admin: {
-          schema: './admin.schema.graphql',
+          schemaFile: './admin.schema.graphql',
           output: './generated/admin',
           headers: { 'X-Admin': '1' },
         },
@@ -103,7 +103,7 @@ describe('config resolution', () => {
       Authorization: 'Bearer token',
       'X-Admin': '1',
     });
-    expect(adminTarget?.config.schema).toBe('./admin.schema.graphql');
+    expect(adminTarget?.config.schemaFile).toBe('./admin.schema.graphql');
   });
 
   it('detects multi-target configs', () => {

graphql/codegen/src/__tests__/introspect/infer-tables.test.ts

@@ -4,7 +4,7 @@
  * These tests verify that we can correctly infer CleanTable[] metadata
  * from standard GraphQL introspection (without _meta query).
  */
-import { inferTablesFromIntrospection } from '../../cli/introspect/infer-tables';
+import { inferTablesFromIntrospection } from '../../core/introspect/infer-tables';
 import type {
   IntrospectionQueryResponse,
   IntrospectionType,