feat: package is now ESM (#909)

* feat: package is now ESM

BREAKING CHANGE: package is now ESM

* fix(deps): bump execa

* fix: correct `fs` import

* fix: replace usage of `require()`

* style: prettier

* fix: update execa import

* test: remove default export tests

bin/download.js

@@ -1,16 +1,17 @@
 #!/usr/bin/env node
 
-const writeFileSync = require("fs").writeFileSync;
-
-require("dotenv").config();
+import { writeFileSync } from "node:fs";
+import dotenv from "dotenv";
+dotenv.config();
 
 if (!process.env.GITHUB_TOKEN) {
   console.log("GITHUB_TOKEN not set");
   process.exit(1);
 }
 
-const execa = require("execa");
-const request = require("@octokit/request").request.defaults({
+import { execa } from "execa";
+import { request as octokitRequest } from "@octokit/request";
+const request = octokitRequest.defaults({
   headers: {
     authorization: `bearer ${process.env.GITHUB_TOKEN}`,
   },

index.d.ts

@@ -11,14 +11,7 @@ type Schema = {
 
 type Validate = (query: ReadonlyArray<string> | Readonly<string>) => ReadonlyArray<GraphQLError>;
 
-declare namespace GraphqlSchema {
-  const validate: Validate;
-  const schema: Schema;
-}
-
 export const schema: Schema
 export const validate: Validate
 
 export * from './schema'
-
-export default GraphqlSchema

index.js

@@ -1,10 +1,10 @@
-module.exports = {
-  validate: require('./lib/validate'),
-  schema: {
-    get idl () {
-      const join = require('path').join
-      return require('fs').readFileSync(join(__dirname, 'schema.graphql'), 'utf8')
-    },
-    json: require('./schema.json')
-  }
+import { readFileSync } from 'node:fs';
+import validate from './lib/validate.js';
+
+export { validate };
+export const schema = {
+  get idl () {
+    return readFileSync(new URL('./schema.graphql', import.meta.url), 'utf8')
+  },
+  json: JSON.parse(readFileSync(new URL('./schema.json', import.meta.url), 'utf8'))
 }

lib/validate.js

@@ -1,10 +1,13 @@
-module.exports = validateQuery;
+export default validateQuery;
 
-const graphql = require("graphql");
-const gql = require("graphql-tag");
+import { readFileSync } from "node:fs";
+import { buildClientSchema, validate } from "graphql";
+import gql from "graphql-tag";
 
-const schema = graphql.buildClientSchema(require("../schema.json"));
+const schema = buildClientSchema(
+  JSON.parse(readFileSync(new URL("../schema.json", import.meta.url), "utf8")),
+);
 
 function validateQuery(query) {
-  return graphql.validate(schema, gql(query));
+  return validate(schema, gql(query));
 }