TypeScriptへの移行

.gitignore

@@ -1 +1,3 @@
-/node_modules/
+.vercel
+dist
+node_modules

README.md

@@ -1,22 +1,44 @@
 # だらずさん ⚡
 
-[Bolt](https://github.com/slackapi/bolt-js) で作り直した [だらずさん](https://github.com/daraz-tek/daraz-bot)
+[Bolt](https://github.com/slackapi/bolt-js) で作られた [だらずさん](https://github.com/daraz-tek/daraz-bot)
 
-## つかいかた
+1. デプロイ
+2. Slack アプリの作成
+3. 環境変数の設定
 
-### Slack アプリの作成
+## デプロイ
 
-- Redirect URLs を設定 (例: https://{ホスト名}/ )
-- Bot Users を設定
-- (デプロイ後) Event Subscriptions を設定
-  - Request URL を設定 (例: https://{ホスト名}/slack/events )
-  - Bot Events を登録
-    - message.channels (パブリックチャンネルのメッセージをリスニング) など
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Fkou029w%2Fdaraz-san)
 
-### 起動
+## Slack アプリの作成
 
-次の環境変数を与えてから `yarn && yarn start`
+[Slack Applications](https://api.slack.com/apps) → Create New App → From an app manifest
 
-- `SLACK_BOT_TOKEN` ... OAuth & Permissions ページにあるボット (xoxb) トークン
-- `SLACK_SIGNING_SECRET` ... Basic Information ページにある Signing Secret
-- (Optional) `PORT` ... ポート番号。デフォルトは 8080。
+下記の Manifest の `{Vercelのプロジェクト名}` の部分を変更してコピペして、Slack アプリを作成します。
+
+```yaml
+display_information:
+  name: だらずさん
+features:
+  bot_user:
+    display_name: daraz-san
+oauth_config:
+  scopes:
+    bot:
+      - channels:history
+      - chat:write
+settings:
+  event_subscriptions:
+    request_url: https://{Vercelのプロジェクト名}.vercel.app/api/slack/events
+    bot_events:
+      - message.channels
+```
+
+## 環境変数の設定
+
+[Vercel Dashboard](https://vercel.com/dashboard) → 対象のプロジェクト → Settings → Environment Variables
+
+- `SLACK_BOT_TOKEN` ... [Slack Applications](https://api.slack.com/apps) → だらずさん → Permissions ページにある `xoxb-` から始まるボットトークン
+- `SLACK_SIGNING_SECRET` ... [Slack Applications](https://api.slack.com/apps) → だらずさん → Basic Information ページにある Signing Secret
+
+これらの環境変数を設定後、再びデプロイして反映します。

api/slack/events.ts

@@ -0,0 +1,10 @@
+import { AwsLambdaReceiver } from "@slack/bolt";
+import App from "../../dist/app";
+
+const token = process.env.SLACK_BOT_TOKEN;
+const signingSecret = process.env.SLACK_SIGNING_SECRET;
+const receiver = new AwsLambdaReceiver({ signingSecret });
+
+new App({ token, receiver });
+
+export const handler = receiver.toHandler();

app.js

@@ -1,17 +0,0 @@
-require("cross-fetch/polyfill");
-const { App: BoltApp } = require("@slack/bolt");
-
-class App extends BoltApp {
-  /**
-   * @param  {import("@slack/bolt").AppOptions} opt
-   */
-  constructor(opt) {
-    super(opt);
-    const scripts = require("glob").sync("./scripts/*.js").map(require);
-    scripts.forEach((script) => {
-      if (Array.isArray(script)) return this.message(...script);
-      if (script instanceof Function) return script(this);
-    });
-  }
-}
-module.exports = App;

main.js

@@ -1,18 +0,0 @@
-const App = require("./app");
-const Receiver = require("./receiver");
-
-async function main() {
-  const receiver = new Receiver({
-    signingSecret: process.env.SLACK_SIGNING_SECRET,
-  });
-
-  const app = new App({
-    token: process.env.SLACK_BOT_TOKEN,
-    receiver,
-  });
-
-  await app.start(process.env.PORT || 8080);
-  console.log("Daraz-san ⚡ running");
-}
-
-if (require.main === module) main();

package.json

@@ -11,19 +11,24 @@
   "license": "MIT",
   "private": true,
   "scripts": {
-    "start": "node main.js"
+    "build": "echo no front-end build specified",
+    "vercel-build": "tsup src --clean"
   },
-  "dependencies": {
-    "@slack/bolt": "3.x",
+  "devDependencies": {
+    "@slack/bolt": "^3.11.0",
+    "@types/kuromoji": "^0.1.1",
+    "@types/tldjs": "^2.3.1",
     "cross-fetch": "^3.1.5",
-    "date-fns": "2.x",
-    "date-fns-tz": "1.x",
-    "get-video-id": "3.x",
-    "glob": "8.x",
-    "kuromoji": "0.1.x",
-    "tldjs": "2.x"
+    "date-fns": "^2.28.0",
+    "date-fns-tz": "^1.3.3",
+    "get-video-id": "^3.5.3",
+    "glob": "^8.0.1",
+    "kuromoji": "^0.1.2",
+    "tldjs": "^2.3.1",
+    "tsup": "^5.12.6"
   },
   "engines": {
-    "yarn": "1.x"
-  }
+    "node": ">=14.19.0"
+  },
+  "packageManager": "yarn@1.22.15"
 }

public/index.txt

@@ -0,0 +1 @@
+OK

receiver.js

@@ -1,18 +0,0 @@
-const { promisify } = require("util");
-const { ExpressReceiver } = require("@slack/bolt");
-
-class Receiver extends ExpressReceiver {
-  /**
-   * @param {import("express").Request} req
-   * @param {import("express").Response} res
-   */
-  requestHandler(req, res) {
-    // NOTE: See also https://api.slack.com/events-api#errors
-    res.header("x-slack-no-retry", "1");
-    if (req.headers["x-slack-retry-reason"] === "http_timeout")
-      return promisify(res.end)();
-
-    return super.requestHandler(req, res);
-  }
-}
-module.exports = Receiver;

renovate.json

@@ -1,9 +1 @@
-{
-  "extends": [
-    "config:base",
-    ":preserveSemverRanges",
-    ":maintainLockFilesWeekly"
-  ],
-  "automerge": true,
-  "requiredStatusChecks": null
-}
+{ "extends": ["config:base", "config:semverAllMonthly", ":automergeMinor"] }

scripts/nyanchu.js

@@ -1,10 +0,0 @@
-const { directMention } = require("@slack/bolt");
-
-module.exports = [
-  directMention(),
-  /(ニャンちゅう) +(.*)/,
-  ({ context, say }) => {
-    const oon = context.matches[2].split("").map((c) => `${c}゛`);
-    return say(`お゛ぉ゛ん！${oon.join("")}た゛に゛ゃあ゛ん！ > :nyanchu:`);
-  },
-];

scripts/unchiku.js

@@ -1,30 +0,0 @@
-const { useTokenize } = require("./util/morpheme");
-const random = require("./util/random");
-const tellme = require("./util/tellme");
-
-// ときどきうんちくを語ります
-
-module.exports = [
-  /[^\x01-\x7e]{4,}/,
-  async ({ context, say }) => {
-    if (random([...Array(15).keys()]) !== 0) return;
-    try {
-      const tokenize = await useTokenize();
-      const words = tokenize(context.matches[0])
-        .filter(({ pos }) => pos === "名詞")
-        .map(({ surface_form }) => surface_form)
-        .filter((t) => !/^[\u3040-\u309F]$/.test(t)) //ひらがな１文字 http://www.unicode.org/charts/PDF/U3040.pdf
-        .filter((t) => !/^[\u30A0-\u30FF]$/.test(t)) //かたかな１文字 http://www.unicode.org/charts/PDF/U30A0.pdf
-        .filter((t) => !/^[\uFF65-\uFF9F]$/.test(t)) //半角カナ１文字 http://www.unicode.org/charts/PDF/UFF00.pdf
-        .filter((t) => !/[、・…]/.test(t));
-      const word = random(words);
-      const ans = await tellme(word);
-      if (/^(|…|しらないにゃーん)$/.test(ans)) {
-        throw new Error(`don't know ${word} : ${ans}`);
-      }
-      return say(`:nya-n: < 【う・ん・ち・く】${ans}`);
-    } catch (e) {
-      console.error(e);
-    }
-  },
-];

scripts/util/nyanco.js

@@ -1,5 +0,0 @@
-const random = require("./random");
-
-const nyans = [":nya-n1:", ":nya-n2:", ":nya-n3:", ":nya-n4:", ":nya-n5:"];
-
-module.exports = nyanco = () => random(nyans);

scripts/util/random.js

@@ -1 +0,0 @@
-module.exports = (array) => array[Math.floor(Math.random() * array.length)];

src/app.ts

@@ -0,0 +1,23 @@
+import { App as BoltApp, AppOptions } from "@slack/bolt";
+import path from "node:path";
+import glob from "glob";
+// TODO: Node.js v18+ ならば不要
+import "cross-fetch/polyfill";
+
+const scriptsPattern = path.join(__dirname, "scripts/*.js");
+const scripts = glob
+  .sync(scriptsPattern)
+  .map(require)
+  .map((m) => m.default ?? m);
+
+class App extends BoltApp {
+  constructor(options: AppOptions) {
+    super(options);
+    scripts.forEach((script) => {
+      if (Array.isArray(script)) return this.message(...script);
+      if (script instanceof Function) return script(this);
+    });
+  }
+}
+
+export default App;

src/scripts/apod.ts

@@ -1,10 +1,10 @@
-const get_video_id = require("get-video-id");
+import getVideoId from "get-video-id";
 
 const API_KEY = "Q8mtkFkP4Zru4mlDd812iw2vcQwx5B0qIsUKsxit";
 
-module.exports = [
+export default [
   /apod|galaxy|spa+ce|宇宙|コスモ|銀河/i,
-  async ({ say }) => {
+  async ({ say }: any) => {
     const response = await fetch(
       `https://api.nasa.gov/planetary/apod?api_key=${API_KEY}`
     );
@@ -14,7 +14,7 @@ module.exports = [
     const dict = await response.json();
     const url =
       dict.media_type === "video"
-        ? `https://www.youtube.com/watch?v=${get_video_id(dict.url)}`
+        ? `https://www.youtube.com/watch?v=${getVideoId(dict.url)}`
         : dict.url;
     return say(`宇宙って良いにゃーん\n${dict.title}\n${url}`);
   },

src/scripts/dns.ts

@@ -1,19 +1,15 @@
-const dns = require("dns");
-const { tldExists } = require("tldjs");
+import { tldExists } from "tldjs";
+import dns from "node:dns";
 
-module.exports = [
+export default [
   /(([a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])\.)+([a-z]+)/,
-  async ({ context, say }) => {
+  async ({ context, say }: any) => {
     const domain = context.matches[0];
     const ignores = ["daraz-tek.slack.com"];
     if (ignores.includes(domain)) return;
     if (!tldExists(domain)) return;
     try {
-      const records = await new Promise((resolve, reject) =>
-        dns.resolve(domain, (err, records) =>
-          err ? reject(err) : resolve(records)
-        )
-      );
+      const records = await dns.promises.resolve(domain);
       return say(
         `:nya-n: < ${domain} は ${records.join("  *,*  ")} ですにゃん`
       );

src/scripts/faiz.ts

@@ -1,5 +1,5 @@
-module.exports = (app) => {
-  app.message(/555/, ({ say }) =>
+export default (app: any) => {
+  app.message(/555/, ({ say }: any) =>
     say(
       [
         "Standing by... > :nya-n:",
@@ -10,7 +10,7 @@ module.exports = (app) => {
       ].join("\n")
     )
   );
-  app.message(/551/, ({ say }) =>
+  app.message(/551/, ({ say }: any) =>
     say(
       [
         "551の豚まんがあるときー？ > :nya-n:",

src/scripts/goku.ts

@@ -1,5 +1,5 @@
-module.exports = [
+export default [
   /([\s\S]*(ぱい|パイ)[\s\S]*)/,
-  ({ context, say }) =>
+  ({ context, say }: any) =>
     say(`:goku: < ${context.matches[0].replace(/ぱい|パイ/g, "ぺぇ")}`),
 ];

src/scripts/ipinfo.ts

@@ -1,6 +1,6 @@
-module.exports = [
+export default [
   /(([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])/,
-  async ({ context, say }) => {
+  async ({ context, say }: any) => {
     const ip = context.matches[0];
     const url = `https://ipinfo.io/${ip}`;
     const options = {

src/scripts/json.ts

@@ -1,5 +1,5 @@
-const { directMention } = require("@slack/bolt");
-const nyanco = require("./util/nyanco");
+import { directMention } from "@slack/bolt";
+import nyanco from "./utils/nyanco";
 
 // Description:
 //   だらずさんは JSON のお掃除がだいすきです
@@ -7,10 +7,10 @@ const nyanco = require("./util/nyanco");
 // Synopsis:
 //   json <jsonstring> - あなたの JSON をぷりちーにするにゃん
 
-module.exports = [
+export default [
   directMention(),
   /json +(.*)/i,
-  ({ context, say }) => {
+  ({ context, say }: any) => {
     try {
       const json = JSON.parse(context.matches[1]);
       const res = JSON.stringify(json, null, 2);

src/scripts/morpheme.ts

@@ -1,6 +1,6 @@
-const { directMention } = require("@slack/bolt");
-const { useTokenize, toCSV } = require("./util/morpheme");
-const nyanco = require("./util/nyanco");
+import { directMention } from "@slack/bolt";
+import { makeTokenize, toCSV } from "./utils/morpheme";
+import nyanco from "./utils/nyanco";
 
 // Description:
 //   すもももももももものうち
@@ -8,14 +8,14 @@ const nyanco = require("./util/nyanco");
 // Synopsis:
 //   morpheme <phrase> - <phrase> を形態素解析器にかけるにゃーん
 
-module.exports = [
+export default [
   directMention(),
   /morpheme (.*)/i,
-  async ({ context, say }) => {
+  async ({ context, say }: any) => {
     try {
-      const tokenize = await useTokenize();
+      const tokenize = await makeTokenize();
       const tokens = tokenize(context.matches[1]);
-      const readings = tokens.map(({ reading }) => reading);
+      const readings = tokens.map(({ reading }: any) => reading);
       return say(
         [`${nyanco()} ＜ ${readings.join("")}`, toCSV(tokens)].join("\n")
       );

src/scripts/nurupo.ts

@@ -1,49 +1,49 @@
 // @ts-check
-const random = require("./util/random");
-const nyanco = require("./util/nyanco");
+import random from "./utils/random";
+import nyanco from "./utils/nyanco";
 
 const patterns = [
-  [/ぬ.*る.*ぽ/, ({ say }) => say(`${nyanco()} < にゃーん`)],
+  [/ぬ.*る.*ぽ/, ({ say }: any) => say(`${nyanco()} < にゃーん`)],
   [
     /だらず((さん)?.*)/,
-    ({ context, say }) =>
+    ({ context, say }: any) =>
       say(
         `${nyanco()} < ${
           context.matches[2] ? "にゃーん" : "さんを付けろよデコスケ野郎っ！"
         }`
       ),
   ],
-  [/こたつ/, ({ say }) => say(`${nyanco()} < しまえ`)],
-  [/(しお|塩)/, ({ say }) => say(`${nyanco()} < しお`)],
+  [/こたつ/, ({ say }: any) => say(`${nyanco()} < しまえ`)],
+  [/(しお|塩)/, ({ say }: any) => say(`${nyanco()} < しお`)],
   [
     /(らーめん|ラーメン|拉麺|らうめん)/,
-    ({ say }) => say(`${nyanco()} < :ramen:`),
+    ({ say }: any) => say(`${nyanco()} < :ramen:`),
   ],
-  [/しりとり/, ({ say }) => say(`${nyanco()} < うどん。`)],
+  [/しりとり/, ({ say }: any) => say(`${nyanco()} < うどん。`)],
   [
     /(糞|くそ|クソ)(すれ|スレ)/,
-    ({ say }) => say(`${nyanco()} < クソスレで悪かったな！！`),
+    ({ say }: any) => say(`${nyanco()} < クソスレで悪かったな！！`),
   ],
   [
     /(カレー|かれー|華麗)/,
-    ({ say }) => say("https://pbs.twimg.com/media/C-RVt9pUAAARRVe.jpg"),
+    ({ say }: any) => say("https://pbs.twimg.com/media/C-RVt9pUAAARRVe.jpg"),
   ],
   [
     /(すし|鮨|寿司|スシ|まぐろ|マグロ|sushi)/i,
-    ({ say }) => say(`${nyanco()} < あいよ っ :sushi:`),
+    ({ say }: any) => say(`${nyanco()} < あいよ っ :sushi:`),
   ],
-  [/ちゃ|茶/, ({ say }) => say(`お茶どぞー < ${nyanco()}っ :tea:`)],
+  [/ちゃ|茶/, ({ say }: any) => say(`お茶どぞー < ${nyanco()}っ :tea:`)],
   [
     /風邪|かぜ|カゼ|体調|つらい|くるしい|痛い|ひぎぃ|うぐぅ/,
-    ({ say }) => say(`おくすりどぞー < ${nyanco()}っ :pill:`),
+    ({ say }: any) => say(`おくすりどぞー < ${nyanco()}っ :pill:`),
   ],
   [
     /(ちらし|チラシ|広告)/,
-    ({ say }) => say(`${nyanco()} < スタンプラリーやめれ`),
+    ({ say }: any) => say(`${nyanco()} < スタンプラリーやめれ`),
   ],
   [
     /進捗どうですか/,
-    ({ message, say }) => {
+    ({ message, say }: any) => {
       const from = `<@${message.user}>`;
       return say(
         [
@@ -56,7 +56,7 @@ const patterns = [
   ],
   [
     /(のむら|さちよ|野村|沙知代|さっちー|サッチー|のむさん|ノムサン)/,
-    ({ say }) =>
+    ({ say }: any) =>
       say(
         [
           ":nomura-exodia-1::nomura-exodia-2::nomura-exodia-3:",
@@ -67,7 +67,7 @@ const patterns = [
   ],
   [
     /(肉|にく|ニク)/,
-    ({ say }) => {
+    ({ say }: any) => {
       if (random([...Array(3).keys()]) !== 0) return;
       return say(
         [
@@ -81,7 +81,7 @@ const patterns = [
   ],
   [
     /(野球|やきゅう|やきう)/,
-    ({ say }) => {
+    ({ say }: any) => {
       if (random([...Array(10).keys()]) !== 0) return;
       return say(
         [
@@ -94,7 +94,7 @@ const patterns = [
   ],
   [
     /.*(ね|ネ).+(ハム|はむ)(たろう|たろー|タロウ|タロー|太郎)/,
-    ({ context, say }) => {
+    ({ context, say }: any) => {
       if (
         /(死|亡|殺)/.test(context.matches[0]) ||
         random([...Array(10).keys()]) === 0
@@ -107,9 +107,9 @@ const patterns = [
   ],
   [
     /^(?=.*[eE]macs)(?=.*[vV]i)/,
-    ({ say }) => say(`${nyanco()} < Emacs vs. Vi ファイ！`),
+    ({ say }: any) => say(`${nyanco()} < Emacs vs. Vi ファイ！`),
   ],
 ];
 
-module.exports = (app) =>
+export default (app: any) =>
   patterns.forEach((pattern) => app.message(...pattern));

src/scripts/nyanchu.ts

@@ -0,0 +1,10 @@
+import { directMention } from "@slack/bolt";
+
+export default [
+  directMention(),
+  /(ニャンちゅう) +(.*)/,
+  ({ context, say }: any) => {
+    const oon = context.matches[2].split("").map((c: any) => `${c}゛`);
+    return say(`お゛ぉ゛ん！${oon.join("")}た゛に゛ゃあ゛ん！ > :nyanchu:`);
+  },
+];

src/scripts/random.ts

@@ -1,5 +1,5 @@
-const { directMention } = require("@slack/bolt");
-const random = require("./util/random");
+import { directMention } from "@slack/bolt";
+import random from "./utils/random";
 
 // Description:
 //   だらずさんはランダムにどれか選べます
@@ -10,10 +10,10 @@ const random = require("./util/random");
 //   えらべ <word1> <word2> ... <wordN> - どれか選ぶにゃん、 word の区切りは空白あるいはカンマにゃん。
 //   選べ <word1> <word2> ... <wordN> - どれか選ぶにゃん、 word の区切りは空白あるいはカンマにゃん。
 
-module.exports = [
+export default [
   directMention(),
   /(choice|random|えらべ|選べ) +(.*)/,
-  ({ context, say }) => {
+  ({ context, say }: any) => {
     const words = [
       ...context.matches[2].split(/(?:,|\s)+/),
       "人に決められるだけの人生でいいのか？自分で決めようず",

src/scripts/tellme.ts

@@ -1,6 +1,6 @@
-const { directMention } = require("@slack/bolt");
-const tellme = require("./util/tellme");
-const nyanco = require("./util/nyanco");
+import { directMention } from "@slack/bolt";
+import tellme from "./utils/tellme";
+import nyanco from "./utils/nyanco";
 
 // Description:
 //   だらずさんは何でも知っているので教えてくれます
@@ -8,10 +8,10 @@ const nyanco = require("./util/nyanco");
 // Synopsis:
 //   tell me <phrase> - <phrase> について教えてあげよう、妖怪ウィキウィキペディアは使ってないよ！
 
-module.exports = [
+export default [
   directMention(),
   /tell( ?me)? (.*)/i,
-  async ({ context, say }) => {
+  async ({ context, say }: any) => {
     const ans = await tellme(context.matches[2]);
     if (ans != null) return say(`${nyanco()} ＜ ${ans}`);
   },

src/scripts/unchiku.ts

@@ -0,0 +1,30 @@
+import { makeTokenize } from "./utils/morpheme";
+import random from "./utils/random";
+import tellme from "./utils/tellme";
+
+// ときどきうんちくを語ります
+
+export default [
+  /[^\x01-\x7e]{4,}/,
+  async ({ context, say }: any) => {
+    if (random([...Array(15).keys()]) !== 0) return;
+    try {
+      const tokenize = await makeTokenize();
+      const words = tokenize(context.matches[0])
+        .filter(({ pos }: any) => pos === "名詞")
+        .map(({ surface_form }: any) => surface_form)
+        .filter((t: any) => !/^[\u3040-\u309F]$/.test(t)) //ひらがな１文字 http://www.unicode.org/charts/PDF/U3040.pdf
+        .filter((t: any) => !/^[\u30A0-\u30FF]$/.test(t)) //かたかな１文字 http://www.unicode.org/charts/PDF/U30A0.pdf
+        .filter((t: any) => !/^[\uFF65-\uFF9F]$/.test(t)) //半角カナ１文字 http://www.unicode.org/charts/PDF/UFF00.pdf
+        .filter((t: any) => !/[、・…]/.test(t));
+      const word = random(words);
+      const ans = await tellme(word);
+      if (/^(|…|しらないにゃーん)$/.test(ans)) {
+        throw new Error(`don't know ${word} : ${ans}`);
+      }
+      return say(`:nya-n: < 【う・ん・ち・く】${ans}`);
+    } catch (e) {
+      console.error(e);
+    }
+  },
+];

src/scripts/utils/morpheme.ts

@@ -1,11 +1,11 @@
-const kuromoji = require("kuromoji");
+import kuromoji, { Tokenizer, IpadicFeatures } from "kuromoji";
+import path from "node:path";
 
-const dicPath = require("path").resolve(
-  require.resolve("kuromoji"),
-  "../../dict"
-);
+const dicPath = path.resolve(require.resolve("kuromoji"), "../../dict");
 
-const useTokenize = () =>
+export const makeTokenize = (): Promise<
+  Tokenizer<IpadicFeatures>["tokenize"]
+> =>
   new Promise((resolve, reject) =>
     kuromoji
       .builder({ dicPath })
@@ -27,12 +27,10 @@ const features = new Map([
   ["pronunciation", "発音"],
 ]);
 
-const toCSV = (tokens) =>
+export const toCSV = (tokens: any) =>
   [
     [...features.values()].join(","),
-    ...tokens.map((token) =>
+    ...tokens.map((token: any) =>
       [...features.keys()].map((feature) => token[feature]).join(",")
     ),
   ].join("\n");
-
-module.exports = { useTokenize, toCSV };

src/scripts/utils/nyanco.ts

@@ -0,0 +1,5 @@
+import random from "./random";
+
+const nyans = [":nya-n1:", ":nya-n2:", ":nya-n3:", ":nya-n4:", ":nya-n5:"];
+
+export default () => random(nyans);

src/scripts/utils/random.ts

@@ -0,0 +1 @@
+export default (array: any) => array[Math.floor(Math.random() * array.length)];

src/scripts/utils/tellme.ts

@@ -1,4 +1,4 @@
-module.exports = async (titles) => {
+export default async (titles: any) => {
   const url = new URL("https://ja.wikipedia.org/w/api.php");
   const params = new URLSearchParams({
     action: "query",
@@ -6,7 +6,7 @@ module.exports = async (titles) => {
     prop: "extracts",
     titles,
     redirects: "",
-    exchars: 120,
+    exchars: "120",
     explaintext: "",
   });
   try {
@@ -18,12 +18,13 @@ module.exports = async (titles) => {
     if (json == null || json.query == null || json.query.pages == null) {
       throw new Error(["response is invalid", JSON.stringify(json)].join(":"));
     }
-    const pages = new Map(Object.entries(json.query.pages));
+    const pages: Map<string, { extract: string }> = new Map(
+      Object.entries(json.query.pages)
+    );
     return pages.size > 0
       ? [...pages.values()].map(({ extract }) => extract).join("\n")
       : "しらないにゃーん";
   } catch (e) {
     console.error(e);
   }
-  return null;
 };

src/scripts/weather.ts

@@ -1,22 +1,20 @@
-const subMinutes = require("date-fns/subMinutes");
-const roundToNearestMinutes = require("date-fns/roundToNearestMinutes");
-const format = require("date-fns-tz/format");
-const utcToZonedTime = require("date-fns-tz/utcToZonedTime");
-const nyanco = require("./util/nyanco");
+import { subMinutes, roundToNearestMinutes } from "date-fns";
+import { format, utcToZonedTime } from "date-fns-tz";
+import nyanco from "./utils/nyanco";
 
 const timeZone = "Asia/Tokyo";
 const prefNumber = 34;
 const pageURL = `https://www.tenki.jp/radar/7/${prefNumber}/`;
-const imgURL = (target) =>
+const imgURL = (target: any) =>
   [
     "https://static.tenki.jp/static-images/radar/",
     format(target, "yyyy/MM/dd/HH/mm/ss", { timeZone }),
     `/pref-${prefNumber}-large.jpg`,
   ].join("");
 
-module.exports = [
+export default [
   /天気/,
-  async ({ say }) => {
+  async ({ say }: any) => {
     const target = utcToZonedTime(
       roundToNearestMinutes(subMinutes(new Date(), 5), {
         nearestTo: 5,
@@ -26,11 +24,9 @@ module.exports = [
 
     return say(
       [
-        `${nyanco()} ＜ ${format(
-          target,
-          "HH時mm分の雨雲の様子にゃーん",
-          timeZone
-        )}`,
+        `${nyanco()} ＜ ${format(target, "HH時mm分の雨雲の様子にゃーん", {
+          timeZone,
+        })}`,
         imgURL(target),
         pageURL,
       ].join("\n")

src/scripts/yakitori.ts

@@ -1,5 +1,5 @@
-const random = require("./util/random");
-const nyanco = require("./util/nyanco");
+import random from "./utils/random";
+import nyanco from "./utils/nyanco";
 
 const yakitoris = [
   "―ﾛ＠ﾛ＠ﾛ- ﾔｷﾄﾘ",
@@ -13,8 +13,8 @@ const yakitoris = [
   "―>ﾟ)))彡- 魚丸焼き",
 ];
 
-module.exports = [
+export default [
   /焼鳥|焼き鳥|やきとり|ヤキトリ|串|プロキシ|プロクシ|proxy|Proxy|PROXY|ピロシキ/,
-  ({ say }) =>
+  ({ say }: any) =>
     say(`串焼きでも食べるにゃん < ${nyanco()}っ${random(yakitoris)}`),
 ];

vercel.json

@@ -0,0 +1,6 @@
+{
+  "functions": {
+    "api/slack/events.ts": { "includeFiles": "{dist,node_modules/kuromoji}/**" }
+  },
+  "build": { "env": { "NODEJS_AWS_HANDLER_NAME": "handler" } }
+}