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export type to support isolatedModules #8585

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5 changes: 5 additions & 0 deletions .changeset/green-pillows-travel.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'@graphql-codegen/typescript': minor
---

export enums type to support isolatedModules
Original file line number Diff line number Diff line change
Expand Up @@ -481,7 +481,7 @@ __isTypeOf?: IsTypeOfResolverFn<ParentType, ContextType>;
);

expect(mergedOutput).toContain(`import { MyEnum } from './enums'`);
expect(mergedOutput).toContain(`export { MyEnum }`);
expect(mergedOutput).toContain(`export type { MyEnum }`);
expect(mergedOutput).toContain(ENUM_RESOLVERS_SIGNATURE);
expect(mergedOutput).toContain('EnumResolverSignature');
expect(mergedOutput).toContain(
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2 changes: 1 addition & 1 deletion packages/plugins/typescript/typescript/src/visitor.ts
Original file line number Diff line number Diff line change
Expand Up @@ -355,7 +355,7 @@ export class TsVisitor<

// In case of mapped external enum string
if (this.config.enumValues[enumName]?.sourceFile) {
return `export { ${this.config.enumValues[enumName].typeIdentifier} };\n`;
return `export type { ${this.config.enumValues[enumName].typeIdentifier} };\n`;
}

const getValueFromConfig = (enumValue: string | number) => {
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14 changes: 7 additions & 7 deletions packages/plugins/typescript/typescript/tests/typescript.spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -3623,7 +3623,7 @@ describe('TypeScript', () => {
)) as Types.ComplexPluginOutput;

expect(result.content).not.toContain(`export enum MyEnum`);
expect(result.content).toContain(`export { MyEnum }`);
expect(result.content).toContain(`export type { MyEnum };`);
expect(result.prepend).toContain(`import MyEnum = NS.ETest;`);
expect(result.prepend).toContain(`import { NS } from './my-file';`);

Expand All @@ -3640,7 +3640,7 @@ describe('TypeScript', () => {
)) as Types.ComplexPluginOutput;

expect(result.content).not.toContain(`export enum MyEnum`);
expect(result.content).toContain(`export { MyEnum };`);
expect(result.content).toContain(`export type { MyEnum };`);
expect(result.prepend).toContain(`import MyEnum = NS.MyEnum;`);
expect(result.prepend).toContain(`import { NS } from './my-file';`);

Expand All @@ -3658,7 +3658,7 @@ describe('TypeScript', () => {

expect(result.content).not.toContain(`export enum MyEnum`);
expect(result.prepend).toContain(`import { MyCustomEnum as MyEnum } from './my-file';`);
expect(result.content).toContain(`export { MyEnum };`);
expect(result.content).toContain(`export type { MyEnum };`);

validateTs(result);
});
Expand Down Expand Up @@ -3689,8 +3689,8 @@ describe('TypeScript', () => {
{ outputFile: '' }
)) as Types.ComplexPluginOutput;

expect(result.content).toContain(`export { MyEnum };`);
expect(result.content).toContain(`export { MyEnum2 };`);
expect(result.content).toContain(`export type { MyEnum };`);
expect(result.content).toContain(`export type { MyEnum2 };`);
expect(result.prepend).toContain(`import { MyEnum2X as MyEnum2 } from './my-file';`);

validateTs(result);
Expand All @@ -3707,8 +3707,8 @@ describe('TypeScript', () => {

expect(result.prepend).toContain(`import { MyEnum } from './my-file';`);
expect(result.prepend).toContain(`import { MyEnum2 } from './my-file';`);
expect(result.content).toContain(`export { MyEnum };`);
expect(result.content).toContain(`export { MyEnum2 };`);
expect(result.content).toContain(`export type { MyEnum };`);
expect(result.content).toContain(`export type { MyEnum2 };`);

validateTs(result);
});
Expand Down