Set overwrite.removeStaleFiles=false to improve watch behaviour

.changeset/pink-papers-sit.md

@@ -0,0 +1,5 @@
+---
+'@eddeee888/gcg-typescript-resolver-files': patch
+---
+
+Set `overwrite.removeStaleFiles=false` (available in `@graphql-codegen/plugin-helpers` v7.2.0) to avoid scenario where resolver files are removed incorrectly.

package.json

@@ -18,7 +18,7 @@
     "@graphql-codegen/add": "7.1.0",
     "@graphql-codegen/cli": "7.2.0",
     "@graphql-codegen/near-operation-file-preset": "5.2.1",
-    "@graphql-codegen/plugin-helpers": "7.1.0",
+    "@graphql-codegen/plugin-helpers": "7.2.0",
     "@graphql-codegen/schema-ast": "6.1.0",
     "@graphql-codegen/typescript": "6.1.0",
     "@graphql-codegen/typescript-react-apollo": "4.4.3-alpha-20260808101442-e439530add2acc6e119f54b148ccb537e4d0a7ec",

packages/typescript-resolver-files/package.json

@@ -42,7 +42,7 @@
   "dependencies": {
     "@eddeee888/gcg-server-config": "workspace:*",
     "@graphql-codegen/add": "^7.1.0",
-    "@graphql-codegen/plugin-helpers": "^7.1.0",
+    "@graphql-codegen/plugin-helpers": "^7.2.0",
     "@graphql-codegen/schema-ast": "^6.1.0",
     "@graphql-codegen/typescript": "^6.1.0",
     "@graphql-codegen/typescript-resolvers": "^6.1.0",

packages/typescript-resolver-files/src/defineConfig.spec.ts

@@ -9,6 +9,10 @@ describe('defineConfig()', () => {
       preset: defaultPreset,
       presetConfig: {},
       watchPattern: ['**/*.mappers.ts'],
+      overwrite: {
+        removeStaleFiles: false,
+        updateExistingFiles: true,
+      },
     });
   });
 
@@ -19,6 +23,10 @@ describe('defineConfig()', () => {
       preset: defaultPreset,
       presetConfig: {},
       watchPattern: ['src/schema/**/*.mappers.ts'],
+      overwrite: {
+        removeStaleFiles: false,
+        updateExistingFiles: true,
+      },
     });
   });
 
@@ -30,6 +38,10 @@ describe('defineConfig()', () => {
       presetConfig: {},
       watchPattern: ['**/*.mappers.ts'],
       schema: ['src/**/*.graphqls'],
+      overwrite: {
+        removeStaleFiles: false,
+        updateExistingFiles: true,
+      },
     });
   });
 
@@ -44,6 +56,10 @@ describe('defineConfig()', () => {
       presetConfig: {},
       watchPattern: ['**/*.mappers.ts'],
       hooks: { afterAllFileWrite: ['prettier --write'] },
+      overwrite: {
+        removeStaleFiles: false,
+        updateExistingFiles: true,
+      },
     });
   });
 

packages/typescript-resolver-files/src/defineConfig.ts

@@ -12,7 +12,7 @@ export const defineConfig = (
   } = {}
 ): Pick<
   Types.ConfiguredOutput,
-  'preset' | 'presetConfig' | 'watchPattern' | 'schema' | 'hooks'
+  'preset' | 'presetConfig' | 'watchPattern' | 'schema' | 'hooks' | 'overwrite'
 > => {
   const { schema, baseOutputDir = '', hooks } = context;
 
@@ -33,5 +33,13 @@ export const defineConfig = (
     watchPattern,
     schema,
     hooks,
+    overwrite: {
+      // Server Preset needs to update existing resolver files
+      updateExistingFiles: true,
+      // When watching, it's common to avoid sending all files to Codegen to write to fs.
+      // When that happens, previously tracked files are marked as stale and gets removed wrongly.
+      // Therefore, we don't remove stale files.
+      removeStaleFiles: false,
+    },
   };
 };

pnpm-workspace.yaml

@@ -8,3 +8,4 @@ allowBuilds:
   unrs-resolver: true
 minimumReleaseAgeExclude:
   - '@graphql-codegen/typescript-react-apollo@4.4.3-alpha-20260808101442-e439530add2acc6e119f54b148ccb537e4d0a7ec'
+  - '@graphql-codegen/plugin-helpers@7.2.0'