strictNullChecks (#4666)

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src/server/web/docs.ts

@@ -34,14 +34,14 @@ async function genVars(lang: string): Promise<{ [key: string]: any }> {
 	const docs = glob.sync(`src/docs/**/*.${lang}.md`, { cwd });
 	vars['docs'] = {};
 	for (const x of docs) {
-		const [, name] = x.match(/docs\/(.+?)\.(.+?)\.md$/);
+		const [, name] = x.match(/docs\/(.+?)\.(.+?)\.md$/)!;
 		if (vars['docs'][name] == null) {
 			vars['docs'][name] = {
 				name,
 				title: {}
 			};
 		}
-		vars['docs'][name]['title'][lang] = fs.readFileSync(cwd + x, 'utf-8').match(/^# (.+?)\r?\n/)[1];
+		vars['docs'][name]['title'][lang] = fs.readFileSync(cwd + x, 'utf-8').match(/^# (.+?)\r?\n/)![1];
 	}
 
 	vars['kebab'] = (string: string) => string.replace(/([a-z])([A-Z])/g, '$1-$2').replace(/\s+/g, '-').toLowerCase();
@@ -97,7 +97,7 @@ router.get('/*/*', async ctx => {
 	await ctx.render('../../../../src/docs/article', Object.assign({
 		id: doc,
 		html: conv.makeHtml(md),
-		title: md.match(/^# (.+?)\r?\n/)[1],
+		title: md.match(/^# (.+?)\r?\n/)![1],
 		src: `https://github.com/syuilo/misskey/tree/master/src/docs/${doc}.${lang}.md`
 	}, await genVars(lang)));
 

src/server/web/feed.ts

@@ -3,6 +3,7 @@ import config from '../../config';
 import { User } from '../../models/entities/user';
 import { Notes, DriveFiles, UserProfiles } from '../../models';
 import { In } from 'typeorm';
+import { ensure } from '../../prelude/ensure';
 
 export default async function(user: User) {
 	const author: Author = {
@@ -10,7 +11,7 @@ export default async function(user: User) {
 		name: user.name || user.username
 	};
 
-	const profile = await UserProfiles.findOne({ userId: user.id });
+	const profile = await UserProfiles.findOne({ userId: user.id }).then(ensure);
 
 	const notes = await Notes.find({
 		where: {
@@ -47,9 +48,9 @@ export default async function(user: User) {
 			title: `New note by ${author.name}`,
 			link: `${config.url}/notes/${note.id}`,
 			date: note.createdAt,
-			description: note.cw,
-			content: note.text,
-			image: file ? DriveFiles.getPublicUrl(file) : null
+			description: note.cw || undefined,
+			content: note.text || undefined,
+			image: file ? DriveFiles.getPublicUrl(file) : undefined
 		});
 	}
 

src/server/web/index.ts

@@ -19,6 +19,7 @@ import config from '../../config';
 import { Users, Notes, Emojis, UserProfiles } from '../../models';
 import parseAcct from '../../misc/acct/parse';
 import getNoteSummary from '../../misc/get-note-summary';
+import { ensure } from '../../prelude/ensure';
 
 const client = `${__dirname}/../../client/`;
 
@@ -149,11 +150,9 @@ router.get('/@:user', async (ctx, next) => {
 		usernameLower: username.toLowerCase(),
 		host
 	});
-	const profile = await UserProfiles.findOne({
-		userId: user.id
-	});
 
 	if (user != null) {
+		const profile = await UserProfiles.findOne(user.id).then(ensure);
 		const meta = await fetchMeta();
 		await ctx.render('user', {
 			user, profile,

src/server/web/url-preview.ts

@@ -43,7 +43,7 @@ module.exports = async (ctx: Koa.BaseContext) => {
 	}
 };
 
-function wrap(url: string): string {
+function wrap(url?: string): string | null {
 	return url != null
 		? url.match(/^https?:\/\//)
 			? `${config.url}/proxy/preview.jpg?${query({