refactor: Migrate from cjs to mjs

Author: Awayume

package.json

@@ -2,10 +2,10 @@
   "name": "github-pr-tasklist-checker",
   "version": "1.3.0",
   "description": "An Action to check if the PR tasklist is complete.",
-  "main": "src/index.js",
+  "main": "src/index.mjs",
   "scripts": {
-    "build": "ncc build ./src/index.js --license license.txt -o dist",
-    "start": "DEBUG=1 node src/index.js",
+    "build": "ncc build ./src/index.mjs --license license.txt -o dist",
+    "start": "DEBUG=1 node src/index.mjs",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {

src/index.js renamed to src/index.mjs

@@ -1,13 +1,11 @@
-// SPDX-FileCopyrightText: 2023 Awayume <dev@awayume.jp>
+// SPDX-FileCopyrightText: 2023-2025 Awayume <dev@awayume.jp>
 // SPDX-License-Identifier: MIT
 
-'use strict';
+import core from '@actions/core';
+import github from '@actions/github';
 
-const core = require('@actions/core');
-const github = require('@actions/github');
-
-const parser = require('./parser');
-const report = require('./report');
+import { parse } from './parser.mjs';
+import { send } from './report.mjs';
 
 
 // For debugging
@@ -79,9 +77,9 @@ if (process.env.DEBUG) {
     // Get PR body
     const pr_body = context.payload.pull_request.body;
     // Parse PR
-    const message = parser.parse(pr_body);
+    const message = parse(pr_body);
     // Send a report
-    await report.send(context, message);
+    await send(context, message);
 
     if (!message.length) {
       core.info('All tasks are completed. Great!');

src/parser.js renamed to src/parser.mjs

@@ -1,12 +1,10 @@
-// SPDX-FileCopyrightText: 2025 Awayume <dev@awayume.jp>
+// SPDX-FileCopyrightText: 2023-2025 Awayume <dev@awayume.jp>
 // SPDX-License-Identifier: MIT
 
-'use strict';
+import { base_regex, Task } from './task.mjs';
 
-const { base_regex, Task } = require('./task');
 
-
-const parse = pr_body => {
+export function parse(pr_body) {
   // Parse PR body
   const tasklist = [];
   let idt_unit = undefined;
@@ -154,8 +152,3 @@ const parse = pr_body => {
 
   return message;
 };
-
-
-module.exports = Object.freeze({
-  parse,
-});

src/report.js renamed to src/report.mjs

@@ -1,15 +1,13 @@
-// SPDX-FileCopyrightText: 2023 Awayume <dev@awayume.jp>
+// SPDX-FileCopyrightText: 2023-2025 Awayume <dev@awayume.jp>
 // SPDX-License-Identifier: MIT
 
-'use strict';
-
-const { getOctokit, maybeForbidden } = require('./utils');
+import { getOctokit, maybeForbidden } from './utils.mjs';
 
 
 const message_sign = '​  ​​​​​​​​ ​​​​​​​';
 
 
-const send = async (context, message) => {
+export async function send(context, message) {
   const octokit = getOctokit(context);
 
   const comments = (await maybeForbidden(
@@ -57,8 +55,3 @@ const send = async (context, message) => {
     };
   };
 };
-
-
-module.exports = Object.freeze({
-  send,
-});

src/task.js renamed to src/task.mjs

@@ -1,9 +1,7 @@
-// SPDX-FileCopyrightText: 2023 Awayume <dev@awayume.jp>
+// SPDX-FileCopyrightText: 2023-2025 Awayume <dev@awayume.jp>
 // SPDX-License-Identifier: MIT
 
-'use strict';
-
-const base_regex = /- +\[.] +/;
+export const base_regex = /- +\[.] +/;
 const checked_regex = /- +\[x] +.+/i;
 const choice_regex = /Choice(#.+)?/;
 const comment_regex = /<!--.*-->/;
@@ -12,7 +10,7 @@ const options_start = '<!--';
 const options_end = '-->';
 
 
-class Task {
+export class Task {
   constructor(line) {
     line = line.trim();
 
@@ -42,9 +40,3 @@ class Task {
     this.children = [];
   };
 };
-
-
-module.exports = Object.freeze({
-  base_regex,
-  Task,
-});

src/utils.js renamed to src/utils.mjs

@@ -1,14 +1,12 @@
-// SPDX-FileCopyrightText: 2023 Awayume <dev@awayume.jp>
+// SPDX-FileCopyrightText: 2023-2025 Awayume <dev@awayume.jp>
 // SPDX-License-Identifier: MIT
 
-'use strict';
-
-const github = require('@actions/github');
+import github from '@actions/github';
 
 
 let octokit = undefined;
 
-const getOctokit = (context) => {
+export function getOctokit(context) {
   if (!octokit) {
     octokit = github.getOctokit(context.token);
     Object.freeze(octokit);
@@ -17,7 +15,7 @@ const getOctokit = (context) => {
 };
 
 
-const maybeForbidden = async (func, ...args) => {
+export async function maybeForbidden(func, ...args) {
   try {
     return await func(...args);
   } catch (err) {
@@ -36,9 +34,3 @@ const maybeForbidden = async (func, ...args) => {
     };
   }
 };
-
-
-module.exports = Object.freeze({
-  getOctokit,
-  maybeForbidden,
-});