refactor

packages/backend/src/mfm/from-html.ts

@@ -5,9 +5,7 @@ import { URL } from 'url';
 const urlRegex     = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+/;
 const urlRegexFull = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+$/;
 
-export function fromHtml(html: string, hashtagNames?: string[]): string | null {
-	if (html == null) return null;
-
+export function fromHtml(html: string, hashtagNames?: string[]): string {
 	const dom = parse5.parseFragment(html);
 
 	let text = '';

packages/backend/src/misc/before-shutdown.ts

@@ -24,14 +24,14 @@ const SHUTDOWN_TIMEOUT = 15000;
  * down the process.
  * @type {BeforeShutdownListener[]}
  */
-const shutdownListeners = [];
+const shutdownListeners: ((signalOrEvent: string) => void)[] = [];
 
 /**
  * Listen for signals and execute given `fn` function once.
  * @param  {string[]} signals System signals to listen to.
  * @param  {function(string)} fn Function to execute on shutdown.
  */
-const processOnce = (signals, fn) => {
+const processOnce = (signals: string[], fn: (signalOrEvent: string) => void) => {
 	for (const sig of signals) {
 		process.once(sig, fn);
 	}
@@ -41,7 +41,7 @@ const processOnce = (signals, fn) => {
  * Sets a forced shutdown mechanism that will exit the process after `timeout` milliseconds.
  * @param {number} timeout Time to wait before forcing shutdown (milliseconds)
  */
-const forceExitAfter = timeout => () => {
+const forceExitAfter = (timeout: number) => () => {
 	setTimeout(() => {
 		// Force shutdown after timeout
 		console.warn(`Could not close resources gracefully after ${timeout}ms: forcing shutdown`);
@@ -55,7 +55,7 @@ const forceExitAfter = timeout => () => {
  * be logged out as a warning, but won't prevent other callbacks from executing.
  * @param {string} signalOrEvent The exit signal or event name received on the process.
  */
-async function shutdownHandler(signalOrEvent) {
+async function shutdownHandler(signalOrEvent: string) {
 	if (process.env.NODE_ENV === 'test') return process.exit(0);
 
 	console.warn(`Shutting down: received [${signalOrEvent}] signal`);
@@ -64,9 +64,11 @@ async function shutdownHandler(signalOrEvent) {
 		try {
 			await listener(signalOrEvent);
 		} catch (err) {
+			if (err instanceof Error) {
 				console.warn(`A shutdown handler failed before completing with: ${err.message || err}`);
 			}
 		}
+	}
 
 	return process.exit(0);
 }
@@ -78,7 +80,7 @@ async function shutdownHandler(signalOrEvent) {
  * @param {BeforeShutdownListener} listener The shutdown listener to register.
  * @returns {BeforeShutdownListener} Echoes back the supplied `listener`.
  */
-export function beforeShutdown(listener) {
+export function beforeShutdown(listener: () => void) {
 	shutdownListeners.push(listener);
 	return listener;
 }

packages/backend/src/queue/processors/db/import-custom-emojis.ts

@@ -41,7 +41,9 @@ export async function importCustomEmojis(job: Bull.Job<DbUserImportJobData>, don
 		fs.writeFileSync(destPath, '', 'binary');
 		await downloadUrl(file.url, destPath);
 	} catch (e) { // TODO: 何度か再試行
+		if (e instanceof Error || typeof e === 'string') {
 			logger.error(e);
+		}
 		throw e;
 	}
 

packages/backend/src/queue/processors/inbox.ts

@@ -54,12 +54,14 @@ export default async (job: Bull.Job<InboxJobData>): Promise<string> => {
 			authUser = await dbResolver.getAuthUserFromApId(getApId(activity.actor));
 		} catch (e) {
 			// 対象が4xxならスキップ
-			if (e instanceof StatusError && e.isClientError) {
+			if (e instanceof StatusError) {
+				if (e.isClientError) {
 					return `skip: Ignored deleted actors on both ends ${activity.actor} - ${e.statusCode}`;
 				}
 				throw `Error in actor ${activity.actor} - ${e.statusCode || e}`;
 			}
 		}
+	}
 
 	// それでもわからなければ終了
 	if (authUser == null) {

packages/backend/src/remote/activitypub/kernel/announce/note.ts

@@ -42,11 +42,14 @@ export default async function(resolver: Resolver, actor: IRemoteUser, activity:
 			renote = await resolveNote(targetUri);
 		} catch (e) {
 			// 対象が4xxならスキップ
-			if (e instanceof StatusError && e.isClientError) {
+			if (e instanceof StatusError) {
+				if (e.isClientError) {
 					logger.warn(`Ignored announce target ${targetUri} - ${e.statusCode}`);
 					return;
 				}
+
 				logger.warn(`Error in announce target ${targetUri} - ${e.statusCode || e}`);
+			}
 			throw e;
 		}
 

packages/backend/src/remote/activitypub/kernel/flag/index.ts

@@ -10,7 +10,7 @@ export default async (actor: IRemoteUser, activity: IFlag): Promise<string> => {
 	// 対象ユーザーは一番最初のユーザー として あとはコメントとして格納する
 	const uris = getApIds(activity.object);
 
-	const userIds = uris.filter(uri => uri.startsWith(config.url + '/users/')).map(uri => uri.split('/').pop());
+	const userIds = uris.filter(uri => uri.startsWith(config.url + '/users/')).map(uri => uri.split('/').pop()!);
 	const users = await Users.find({
 		id: In(userIds),
 	});

packages/backend/src/remote/activitypub/kernel/index.ts

@@ -25,8 +25,10 @@ export async function performActivity(actor: IRemoteUser, activity: IObject) {
 			const act = await resolver.resolve(item);
 			try {
 				await performOneActivity(actor, act);
-			} catch (e) {
-				apLogger.error(e);
+			} catch (err) {
+				if (err instanceof Error || typeof err === 'string') {
+					apLogger.error(err);
+				}
 			}
 		}
 	} else {