refactor: migrate protoc plugins to ESM (#428)

Author: izumin5210

.changeset/wise-stingrays-leave.md

@@ -0,0 +1,9 @@
+---
+"@proto-graphql/protoc-plugin-helpers": patch
+"@proto-graphql/scalars-protobuf-es": patch
+"@proto-graphql/codegen-core": patch
+"protoc-gen-pothos": patch
+"protoc-gen-nexus": patch
+---
+
+refactor: migrate protoc plugins to ESM

devPackages/testapis-proto/package.json

@@ -2,6 +2,23 @@
   "name": "@proto-graphql/testapis-proto",
   "version": "0.1.1",
   "description": "Generated codes from protobuf IDL",
+  "type": "module",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      },
+      "require": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.cjs"
+      }
+    }
+  },
+  "sideEffects": false,
   "private": true,
   "scripts": {
     "build": "tsup",
@@ -13,16 +30,5 @@
   "devDependencies": {
     "@proto-graphql/tsconfig": "workspace:*",
     "glob": "^10.4.5"
-  },
-  "main": "./dist/index.js",
-  "module": "./dist/index.mjs",
-  "types": "./dist/index.d.ts",
-  "exports": {
-    ".": {
-      "import": "./dist/index.mjs",
-      "require": "./dist/index.js",
-      "types": "./dist/index.d.ts",
-      "default": "./dist/index.js"
-    }
   }
 }

devPackages/testapis-proto/scripts/build-proto.ts

@@ -3,12 +3,15 @@
 import { exec as _exec } from "node:child_process";
 import { mkdir, writeFile } from "node:fs/promises";
 import { dirname, join, relative } from "node:path";
+import { fileURLToPath } from "node:url";
 import { promisify } from "node:util";
-
 import { glob } from "glob";
 
 const exec = promisify(_exec);
 
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
 const rootDir = dirname(__dirname);
 const protoDir = join(rootDir, "proto");
 

devPackages/testapis-proto/src/index.ts

@@ -5,7 +5,7 @@ import {
   type FileDescriptorSet,
   FileDescriptorSetSchema,
 } from "@bufbuild/protobuf/wkt";
-import { fileDescriptorSetBins } from "./__generated__/fileDescriptorSetBins";
+import { fileDescriptorSetBins } from "./__generated__/fileDescriptorSetBins.js";
 
 function objectKeys<K extends string>(obj: Record<K, unknown>): K[] {
   return Object.keys(obj) as K[];

packages/@proto-graphql/codegen-core/package.json

@@ -6,17 +6,24 @@
   "repository": "git@github.com:proto-graphql/proto-graphql-js.git",
   "author": "izumin5210 <m@izum.in>",
   "license": "MIT",
-  "main": "./dist/index.js",
-  "module": "./dist/index.mjs",
+  "type": "module",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "exports": {
     ".": {
-      "import": "./dist/index.mjs",
-      "require": "./dist/index.js",
-      "types": "./dist/index.d.ts",
-      "default": "./dist/index.js"
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      },
+      "require": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.cjs"
+      }
     }
   },
+  "files": ["src/", "dist/", "!src/**/*.test.ts", "!src/**/__tests__/"],
+  "sideEffects": false,
   "private": false,
   "publishConfig": {
     "access": "public"
@@ -35,7 +42,6 @@
     "@proto-graphql/testapis-proto": "workspace:*",
     "@proto-graphql/tsconfig": "workspace:*"
   },
-  "files": ["src/", "dist/", "!src/**/*.test.ts", "!src/**/__tests__/"],
   "scripts": {
     "build": "tsup",
     "prebuild": "../../../scripts/compile-extensions-proto",

packages/@proto-graphql/codegen-core/src/index.ts

@@ -1,2 +1,2 @@
-export * from "./types";
-export * from "./printer";
+export * from "./types/index.js";
+export * from "./printer/index.js";

packages/@proto-graphql/codegen-core/src/printer/graphqlExtensions.ts

@@ -11,7 +11,7 @@ import {
   isMapField,
   isMessageField,
   isScalarField,
-} from "../proto/util";
+} from "../proto/util.js";
 import {
   EnumType,
   EnumTypeValue,
@@ -23,8 +23,8 @@ import {
   OneofUnionType,
   SquashedOneofUnionType,
   scalarMapLabelByType,
-} from "../types";
-import { compact } from "./util";
+} from "../types/index.js";
+import { compact } from "./util.js";
 
 export function protobufGraphQLExtensions(
   type:

packages/@proto-graphql/codegen-core/src/printer/index.ts

@@ -1,4 +1,4 @@
-export * from "./util";
-export * from "./graphqlExtensions";
-export * from "./print";
-export * from "./options";
+export * from "./util.js";
+export * from "./graphqlExtensions.js";
+export * from "./print.js";
+export * from "./options.js";

packages/@proto-graphql/codegen-core/src/printer/util.ts

@@ -18,7 +18,7 @@ import {
   isMapField,
   isMessageField,
   isScalarField,
-} from "../proto/util";
+} from "../proto/util.js";
 import {
   type EnumType,
   type InputObjectField,
@@ -29,8 +29,8 @@ import {
   type ObjectType,
   type OneofUnionType,
   type SquashedOneofUnionType,
-} from "../types";
-import type { PrinterOptions } from "./options";
+} from "../types/index.js";
+import type { PrinterOptions } from "./options.js";
 
 export function filename(
   type:

packages/@proto-graphql/codegen-core/src/types/EnumType.ts

@@ -1,12 +1,12 @@
 import type { DescEnum, DescEnumValue } from "@bufbuild/protobuf";
 import { constantCase } from "change-case";
 
-import { TypeBase } from "./TypeBase";
+import { TypeBase } from "./TypeBase.js";
 import {
   descriptionFromProto,
   getDeprecationReason,
   isIgnoredField,
-} from "./util";
+} from "./util.js";
 
 export class EnumType extends TypeBase<DescEnum> {
   get unspecifiedValue(): EnumTypeValue | null {