fix: can not import in ESM package (#159)

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## PR Checklist

-   [x] Addresses an existing open issue: fixes #152
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

<!-- Description of what is changed and how the code change does that.
-->

related #157

.editorconfig

@@ -11,3 +11,6 @@ trim_trailing_whitespace = true
 [{package.json,*.yml}]
 indent_size = 2
 indent_style = space
+
+[*.test.ts]
+trim_trailing_whitespace = false

src/index.ts

@@ -1,12 +1,12 @@
-import orderProperties from "./rules/order-properties.js";
-import preferRepositoryShorthand from "./rules/prefer-repository-shorthand.js";
-import sortCollections from "./rules/sort-collections.js";
-import uniqueDependencies from "./rules/unique-dependencies.js";
-import validLocalDependency from "./rules/valid-local-dependency.js";
-import validName from "./rules/valid-name.js";
-import validPackageDef from "./rules/valid-package-def.js";
-import validRepositoryDirectory from "./rules/valid-repository-directory.js";
-import validVersion from "./rules/valid-version.js";
+import { rule as orderProperties } from "./rules/order-properties.js";
+import { rule as preferRepositoryShorthand } from "./rules/prefer-repository-shorthand.js";
+import { rule as sortCollections } from "./rules/sort-collections.js";
+import { rule as uniqueDependencies } from "./rules/unique-dependencies.js";
+import { rule as validLocalDependency } from "./rules/valid-local-dependency.js";
+import { rule as validName } from "./rules/valid-name.js";
+import { rule as validPackageDef } from "./rules/valid-package-def.js";
+import { rule as validRepositoryDirectory } from "./rules/valid-repository-directory.js";
+import { rule as validVersion } from "./rules/valid-version.js";
 
 export const rules = {
 	"order-properties": orderProperties,

src/rules/order-properties.ts

@@ -39,7 +39,7 @@ type Order = "legacy" | "sort-package-json";
 
 type Options = [{ order: Order }?];
 
-export default createRule<Options>({
+export const rule = createRule<Options>({
 	create(context) {
 		return {
 			"Program:exit"() {

src/rules/prefer-repository-shorthand.ts

@@ -11,7 +11,7 @@ const isGitHubUrl = (url: string) => githubUrlRegex.test(url);
 const cleanGitHubUrl = (url: string) =>
 	url.replace(githubUrlRegex, "").replace(/\.git$/, "");
 
-export default createRule({
+export const rule = createRule({
 	create(context) {
 		return {
 			JSONProperty(node) {

src/rules/sort-collections.ts

@@ -13,7 +13,7 @@ const defaultCollections = [
 
 type Options = string[];
 
-export default createRule<Options>({
+export const rule = createRule<Options>({
 	create(context) {
 		const toSort = context.options[0] || defaultCollections;
 		return {

src/rules/unique-dependencies.ts

@@ -15,7 +15,7 @@ const dependencyPropertyNames = new Set([
 	"overrides",
 ]);
 
-export default createRule({
+export const rule = createRule({
 	create(context) {
 		function check(
 			elements: (JsonAST.JSONNode | null)[],

src/rules/valid-local-dependency.ts

@@ -2,7 +2,7 @@ import path from "path";
 
 import { createRule } from "../createRule.js";
 
-export default createRule({
+export const rule = createRule({
 	create(context) {
 		return {
 			"Program:exit"() {

src/rules/valid-name.ts

@@ -5,7 +5,7 @@ import validate from "validate-npm-package-name";
 
 import { createRule } from "../createRule.js";
 
-export default createRule({
+export const rule = createRule({
 	create(context) {
 		return {
 			"Program > JSONExpressionStatement > JSONObjectExpression > JSONProperty[key.value=name]"(

src/rules/valid-package-def.ts

@@ -14,7 +14,7 @@ const unusedErrorPatterns = [
 const isUsableError = (errorText: string) =>
 	unusedErrorPatterns.every((pattern) => !pattern.test(errorText));
 
-export default createRule({
+export const rule = createRule({
 	create(context) {
 		return {
 			"Program:exit"() {

src/rules/valid-repository-directory.ts

@@ -6,7 +6,7 @@ import * as path from "node:path";
 import { createRule } from "../createRule.js";
 import { findPropertyWithKeyValue } from "../utils/findPropertyWithKeyValue.js";
 
-export default createRule({
+export const rule = createRule({
 	create(context) {
 		return {
 			"Program > JSONExpressionStatement > JSONObjectExpression > JSONProperty[key.value=repository][value.type=JSONObjectExpression]"(

src/rules/valid-version.ts

@@ -5,7 +5,7 @@ import semver from "semver";
 
 import { createRule } from "../createRule.js";
 
-export default createRule({
+export const rule = createRule({
 	create(context) {
 		return {
 			"Program > JSONExpressionStatement > JSONObjectExpression > JSONProperty[key.value=version]"(

src/tests/rules/order-properties.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/order-properties.js";
+import { rule } from "../../rules/order-properties.js";
 import { ruleTester } from "./ruleTester.js";
 
 ruleTester.run("order-properties", rule, {

src/tests/rules/prefer-repository-shorthand.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/prefer-repository-shorthand.js";
+import { rule } from "../../rules/prefer-repository-shorthand.js";
 import { ruleTester } from "./ruleTester.js";
 
 ruleTester.run("prefer-repository-shorthand", rule, {

src/tests/rules/sort-collections.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/sort-collections.js";
+import { rule } from "../../rules/sort-collections.js";
 import { ruleTester } from "./ruleTester.js";
 
 //------------------------------------------------------------------------------

src/tests/rules/unique-dependencies.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/unique-dependencies.js";
+import { rule } from "../../rules/unique-dependencies.js";
 import { ruleTester } from "./ruleTester.js";
 
 ruleTester.run("unique-dependencies", rule, {

src/tests/rules/valid-local-dependency.test.ts

@@ -1,6 +1,6 @@
 import path from "path";
 
-import rule from "../../rules/valid-local-dependency.js";
+import { rule } from "../../rules/valid-local-dependency.js";
 import { ruleTester } from "./ruleTester.js";
 
 const fileName = (partialPath: string) => {

src/tests/rules/valid-name.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/valid-name.js";
+import { rule } from "../../rules/valid-name.js";
 import { ruleTester } from "./ruleTester.js";
 
 ruleTester.run("valid-name", rule, {

src/tests/rules/valid-package-def.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/valid-package-def.js";
+import { rule } from "../../rules/valid-package-def.js";
 import { ruleTester } from "./ruleTester.js";
 
 ruleTester.run("valid-package-def", rule, {

src/tests/rules/valid-repository-directory.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/valid-repository-directory.js";
+import { rule } from "../../rules/valid-repository-directory.js";
 import { ruleTester } from "./ruleTester.js";
 
 ruleTester.run("valid-repository-directory", rule, {

src/tests/rules/valid-version.test.ts

@@ -1,4 +1,4 @@
-import rule from "../../rules/valid-version.js";
+import { rule } from "../../rules/valid-version.js";
 import { ruleTester } from "./ruleTester.js";
 
 ruleTester.run("valid-version", rule, {