src/ai.ts

@@ -46,21 +46,32 @@ export type ModuleDataDoc<Data = any> = {
 /**
  * 藍
  */
-export default class 藍 {
+export default interface 藍 extends Ai {
+	connection: Stream;
+	lastSleepedAt: number;
+
+	friends: loki.Collection<FriendDoc>;
+	moduleData: loki.Collection<ModuleDataDoc>;
+}
+
+/**
+ * 起動中の藍
+ */
+export class Ai {
 	public readonly version = pkg._v;
 	public account: User;
-	public connection: Stream;
+	public connection?: Stream;
 	public modules: Module[] = [];
 	private mentionHooks: MentionHook[] = [];
 	private contextHooks: { [moduleName: string]: ContextHook } = {};
 	private timeoutCallbacks: { [moduleName: string]: TimeoutCallback } = {};
 	public installedModules: { [moduleName: string]: InstalledModule } = {};
 	public db: loki;
-	public lastSleepedAt: number;
+	public lastSleepedAt?: number;
 
-	private meta: loki.Collection<Meta>;
+	private meta?: loki.Collection<Meta>;
 
-	private contexts: loki.Collection<{
+	private contexts?: loki.Collection<{
 		noteId?: string;
 		userId?: string;
 		module: string;
@@ -68,7 +79,7 @@ export default class 藍 {
 		data?: any;
 	}>;
 
-	private timers: loki.Collection<{
+	private timers?: loki.Collection<{
 		id: string;
 		module: string;
 		insertedAt: number;
@@ -76,16 +87,20 @@ export default class 藍 {
 		data?: any;
 	}>;
 
-	public friends: loki.Collection<FriendDoc>;
-	public moduleData: loki.Collection<any>;
+	public friends?: loki.Collection<FriendDoc>;
+	public moduleData?: loki.Collection<any>;
+
+	private ready: boolean = false;
 
 	/**
 	 * 藍インスタンスを生成します
 	 * @param account 藍として使うアカウント
 	 * @param modules モジュール。先頭のモジュールほど高優先度
 	 */
-	@bindThis
-	public static start(account: User, modules: Module[]) {
+	constructor(account: User, modules: Module[]) {
+		this.account = account;
+		this.modules = modules;
+
 		let memoryDir = '.';
 		if (config.memoryDir) {
 			memoryDir = config.memoryDir;
@@ -94,7 +109,7 @@ export default class 藍 {
 
 		this.log(`Lodaing the memory from ${file}...`);
 
-		const db = new loki(file, {
+		this.db = new loki(file, {
 			autoload: true,
 			autosave: true,
 			autosaveInterval: 1000,
@@ -103,7 +118,7 @@ export default class 藍 {
 					this.log(chalk.red(`Failed to load the memory: ${err}`));
 				} else {
 					this.log(chalk.green('The memory loaded successfully'));
-					new 藍(account, modules, db);
+					this.run();
 				}
 			}
 		});
@@ -111,19 +126,11 @@ export default class 藍 {
 
 	@bindThis
 	public log(msg: string) {
-		藍.log(msg);
-	}
-
-	@bindThis
-	private static log(msg: string) {
 		log(`[${chalk.magenta('AiOS')}]: ${msg}`);
 	}
 
-	private constructor(account: User, modules: Module[], db: loki) {
-		this.account = account;
-		this.modules = modules;
-		this.db = db;
-
+	@bindThis
+	private run() {
 		//#region Init DB
 		this.meta = this.getCollection('meta', {});
 
@@ -150,6 +157,9 @@ export default class 藍 {
 		// Init stream
 		this.connection = new Stream();
 
+		// この時点から藍インスタンスに
+		this.setReady();
+
 		//#region Main stream
 		const mainStream = this.connection.useSharedConnection('main');
 
@@ -217,12 +227,40 @@ export default class 藍 {
 		this.log(chalk.green.bold('Ai am now running!'));
 	}
 
+	/**
+	 * 準備が完了したフラグを立てる。
+	 */
+	private setReady(): asserts this is 藍 {
+		// 呼び出すタイミングが正しいか検証
+		if (
+			this.connection == null ||
+			this.lastSleepedAt == null ||
+			this.meta == null ||
+			this.contexts == null ||
+			this.timers == null ||
+			this.friends == null ||
+			this.moduleData == null
+		) {
+			throw new TypeError('Cannot set ready');
+		}
+
+		this.ready = true;
+	}
+
+	public requireReady(): asserts this is 藍 {
+		if (!this.ready) {
+			throw new TypeError('Ai am not ready!');
+		}
+	}
+
 	/**
 	 * ユーザーから話しかけられたとき
 	 * (メンション、リプライ、トークのメッセージ)
 	 */
 	@bindThis
 	private async onReceiveMessage(msg: Message): Promise<void> {
+		this.requireReady();
+
 		this.log(chalk.gray(`<<< An message received: ${chalk.underline(msg.id)}`));
 
 		// Ignore message if the user is a bot
@@ -234,7 +272,7 @@ export default class 藍 {
 		const isNoContext = msg.replyId == null;
 
 		// Look up the context
-		const context = isNoContext ? null : this.contexts.findOne({
+		const context = isNoContext ? null : this.contexts!.findOne({
 			noteId: msg.replyId
 		});
 
@@ -290,6 +328,8 @@ export default class 藍 {
 
 	@bindThis
 	private onNotification(notification: any) {
+		this.requireReady();
+
 		switch (notification.type) {
 			// リアクションされたら親愛度を少し上げる
 			// TODO: リアクション取り消しをよしなにハンドリングする
@@ -306,12 +346,14 @@ export default class 藍 {
 
 	@bindThis
 	private crawleTimer() {
-		const timers = this.timers.find();
+		this.requireReady();
+
+		const timers = this.timers!.find();
 		for (const timer of timers) {
 			// タイマーが時間切れかどうか
 			if (Date.now() - (timer.insertedAt + timer.delay) >= 0) {
 				this.log(`Timer expired: ${timer.module} ${timer.id}`);
-				this.timers.remove(timer);
+				this.timers!.remove(timer);
 				this.timeoutCallbacks[timer.module](timer.data);
 			}
 		}
@@ -342,6 +384,8 @@ export default class 藍 {
 
 	@bindThis
 	public lookupFriend(userId: User['id']): Friend | null {
+		this.requireReady();
+
 		const doc = this.friends.findOne({
 			userId: userId
 		});
@@ -411,7 +455,8 @@ export default class 藍 {
 	 */
 	@bindThis
 	public subscribeReply(module: Module, key: string | null, id: string, data?: any) {
-		this.contexts.insertOne({
+		this.requireReady();
+		this.contexts!.insertOne({
 			noteId: id,
 			module: module.name,
 			key: key,
@@ -426,7 +471,8 @@ export default class 藍 {
 	 */
 	@bindThis
 	public unsubscribeReply(module: Module, key: string | null) {
-		this.contexts.findAndRemove({
+		this.requireReady();
+		this.contexts!.findAndRemove({
 			key: key,
 			module: module.name
 		});
@@ -441,8 +487,10 @@ export default class 藍 {
 	 */
 	@bindThis
 	public setTimeoutWithPersistence(module: Module, delay: number, data?: any) {
+		this.requireReady();
+
 		const id = uuid();
-		this.timers.insertOne({
+		this.timers!.insertOne({
 			id: id,
 			module: module.name,
 			insertedAt: Date.now(),
@@ -455,6 +503,10 @@ export default class 藍 {
 
 	@bindThis
 	public getMeta() {
+		if (this.meta == null) {
+			throw new TypeError('meta has not been set');
+		}
+
 		const rec = this.meta.findOne();
 
 		if (rec) {
@@ -477,6 +529,11 @@ export default class 藍 {
 			rec[k] = v;
 		}
 
-		this.meta.update(rec);
+		this.meta!.update(rec);
 	}
 }
+
+// FIXME:
+// JS にコンパイルされたコードでインターフェイスであるはずの藍がインポートされてしまうので、
+// 同名のクラスを定義することで実行時エラーが出ないようにしている
+export default class 藍 {}

src/config.ts

@@ -17,13 +17,8 @@ type Config = {
 	memoryDir?: string;
 };
 
-import chalk from 'chalk';
 import uncheckedConfig from '../config.json' assert { type: 'json' };
-import { warn } from '@/utils/log.js';
-
-function warnWithPrefix(msg: string): void {
-	warn(`[Config]: ${chalk.red(msg)}`);
-}
+import log from '@/utils/log.js';
 
 class Type<T> {
 	public static readonly string = new Type<string>('string');
@@ -40,45 +35,24 @@ class Type<T> {
 	}
 }
 
-class OptionalProperty<K extends keyof Config> {
-	protected readonly key: K;
-	protected readonly type: Type<Config[K]>
-
-	public constructor(key: K, type: Type<Config[K]>) {
-		this.key = key;
-		this.type = type;
+function checkProperty<K extends keyof Config>(config: Object, key: K, type: Type<Config[K]>): config is { [J in K]: Config[K] } {
+	const result = key in config && type.check(config[key as string]);
+	if (!result) {
+		log(`config.json: Property ${key}: ${type.name} required`);
+	}
+	return result;
 }
 
-	check(config: Object): config is { [J in K]?: Config[K] } {
-		const key = this.key;
+function checkOptionalProperty<K extends keyof Config>(config: Object, key: K, type: Type<Config[K]>): config is { [J in K]?: Config[K] } {
 	if (!(key in config)) {
 		return true;
 	}
-		const result = this.type.check((config as { [J in K]?: unknown})[key]);
+	const result = type.check(config[key as string]);
 	if (!result) {
-			warnWithPrefix(`config.json: The type of property '${key}' must be ${this.type.name}`);
+		log(`config.json: The type of property ${key} must be ${type.name}`);
 	}
 	return result;
 }
-}
-
-class Property<K extends keyof Config> extends OptionalProperty<K> {
-	check(config: Object): config is { [J in K]: Config[K] } {
-		const result = this.key in config && this.type.check((config as { [J in K]?: unknown })[this.key]);
-		if (!result) {
-			warnWithPrefix(`config.json: Property '${this.key}': ${this.type.name} required`);
-		}
-		return result;
-	}
-}
-
-type Intersection<P extends unknown[]> = P extends [infer Q, ...infer R] ? Q & Intersection<R> : unknown;
-
-function checkProperties<P extends OptionalProperty<keyof Config>[]>(config: Object, ...properties: P):
-		config is object & Intersection<{ [I in keyof P]: P[I] extends OptionalProperty<infer K> ? { [J in K]: Config[K] } : never }> {
-	// メッセージを表示するためすべてのプロパティをチェックしてから結果を返す
-	return properties.map(p => p.check(config)).every(c => c);
-}
 
 function setProperty<K extends keyof Config>(config: Object, key: K, value: Config[K]): asserts config is { [L in K]: Config[K] } {
 	(config as { [L in K]?: Config[K] })[key] = value;
@@ -86,25 +60,22 @@ function setProperty<K extends keyof Config>(config: Object, key: K, value: Conf
 
 function validate(config: unknown): Config {
 	if (!(config instanceof Object)) {
-		warnWithPrefix('config.json: Root object required');
+		log('config.json: Root object required');
 	} else if (
-		checkProperties(
-			config,
-			new Property('host', Type.string),
-			new OptionalProperty('serverName', Type.string),
-			new Property('i', Type.string),
-			new OptionalProperty('master', Type.string),
-			new Property('keywordEnabled', Type.boolean),
-			new Property('reversiEnabled', Type.boolean),
-			new Property('notingEnabled', Type.boolean),
-			new Property('chartEnabled', Type.boolean),
-			new Property('serverMonitoring', Type.boolean),
-			new OptionalProperty('checkEmojisEnabled', Type.boolean),
-			new OptionalProperty('checkEmojisAtOnce', Type.boolean),
-			new OptionalProperty('mecab', Type.string),
-			new OptionalProperty('mecabDic', Type.string),
-			new OptionalProperty('memoryDir', Type.string)
-		)
+		checkProperty(config, 'host', Type.string) &&
+		checkOptionalProperty(config, 'serverName', Type.string) &&
+		checkProperty(config, 'i', Type.string) &&
+		checkOptionalProperty(config, 'master', Type.string) &&
+		checkProperty(config, 'keywordEnabled', Type.boolean) &&
+		checkProperty(config, 'reversiEnabled', Type.boolean) &&
+		checkProperty(config, 'notingEnabled', Type.boolean) &&
+		checkProperty(config, 'chartEnabled', Type.boolean) &&
+		checkProperty(config, 'serverMonitoring', Type.boolean) &&
+		checkOptionalProperty(config, 'checkEmojisEnabled', Type.boolean) &&
+		checkOptionalProperty(config, 'checkEmojisAtOnce', Type.boolean) &&
+		checkOptionalProperty(config, 'mecab', Type.string) &&
+		checkOptionalProperty(config, 'mecabDic', Type.string) &&
+		checkOptionalProperty(config, 'memoryDir', Type.string)
 	) {
 		setProperty(config, 'wsUrl', config.host.replace('http', 'ws'));
 		setProperty(config, 'apiUrl', config.host + '/api');

src/index.ts

@@ -5,7 +5,7 @@ import chalk from 'chalk';
 import got from 'got';
 import promiseRetry from 'promise-retry';
 
-import 藍 from './ai.js';
+import { Ai } from './ai.js';
 import config from './config.js';
 import _log from './utils/log.js';
 import pkg from '../package.json' assert { type: 'json' };
@@ -72,7 +72,7 @@ promiseRetry(retry => {
 	log('Starting AiOS...');
 
 	// 藍起動
-	藍.start(account, [
+	new Ai(account, [
 		new CoreModule(),
 		new EmojiModule(),
 		new EmojiReactModule(),

src/misskey/note.ts

@@ -1,8 +1,6 @@
 export type Note = {
 	id: string;
 	text: string | null;
-	cw: string | null;
-	userId: string;
 	reply: any | null;
 	poll?: {
 		choices: {

src/modules/keyword/index.ts

@@ -5,7 +5,12 @@ import config from '@/config.js';
 import serifs from '@/serifs.js';
 import { mecab } from './mecab.js';
 import 藍 from '@/ai.js';
-import { Note } from '@/misskey/note.js';
+
+type LocalTimeline = {
+	userId: string;
+	text: string | null;
+	cw: string | null;
+}[];
 
 function kanaToHira(str: string) {
 	return str.replace(/[\u30a1-\u30f6]/g, match => {
@@ -43,11 +48,11 @@ class Installed extends InstalledModule {
 
 	@bindThis
 	private async learn() {
-		const tl = await this.ai.api<Note[]>('notes/local-timeline', {
+		const tl = await this.ai.api<LocalTimeline>('notes/local-timeline', {
 			limit: 30
 		});
 
-		const interestedNotes = tl.filter((note): note is Note & { text: string } =>
+		const interestedNotes = tl.filter(note =>
 			note.userId !== this.ai.account.id &&
 			note.text != null &&
 			note.cw == null);
@@ -55,7 +60,8 @@ class Installed extends InstalledModule {
 		let keywords: string[][] = [];
 
 		for (const note of interestedNotes) {
-			const tokens = await mecab(note.text, config.mecab, config.mecabDic);
+			// TODO: note.text に null チェックが必要?
+			const tokens = await mecab(note.text as string, config.mecab, config.mecabDic);
 			const keywordsInThisNote = tokens.filter(token => token[2] == '固有名詞' && token[8] != null);
 			keywords = keywords.concat(keywordsInThisNote);
 		}

src/utils/log.ts

@@ -1,17 +1,9 @@
 import chalk from 'chalk';
 
 export default function(msg: string) {
-	console.log(createMessage(msg));
-}
-
-export function warn(msg: string) {
-	console.warn(createMessage(msg));
-}
-
-function createMessage(msg: string) {
 	const now = new Date();
 	const date = `${zeroPad(now.getHours())}:${zeroPad(now.getMinutes())}:${zeroPad(now.getSeconds())}`;
-	return `${chalk.gray(date)} ${msg}`;
+	console.log(`${chalk.gray(date)} ${msg}`);
 }
 
 function zeroPad(num: number, length: number = 2): string {