Merge branches 'develop' and 'develop' of https://github.com/syuilo/misskey into develop

src/config/load.ts

@@ -47,14 +47,21 @@ export default function load() {
 	return Object.assign(config, mixin);
 }
 
-function validateUrl(url: string) {
+function tryCreateUrl(url: string) {
 	try {
 		return new URL(url);
 	} catch (e) {
-		throw `url="${url}" is not a valid URL`;
+		throw `url="${url}" is not a valid URL.`;
 	}
 }
 
+function validateUrl(url: string) {
+	const result = tryCreateUrl(url);
+	if (result.pathname.replace('/', '').length) throw `url="${url}" is not a valid URL, has a pathname.`;
+	if (!url.includes(result.host)) throw `url="${url}" is not a valid URL, has an invalid hostname.`;
+	return result;
+}
+
 function normalizeUrl(url: string) {
 	return url.endsWith('/') ? url.substr(0, url.length - 1) : url;
 }

src/misc/logger.ts

@@ -45,7 +45,7 @@ export default class Logger {
 		this.log(important ? chalk.bgGreen.white('DONE') : chalk.green('DONE'), chalk.green(message), important);
 	}
 
-	public debug(message: string, important = false): void { // デバッグ用に使う(開発者にとっては必要だが利用者にとっては不要な情報)
+	public debug(message: string, important = false): void { // デバッグ用に使う(開発者に必要だが利用者に不要な情報)
 		if (process.env.NODE_ENV != 'production' || program.verbose) {
 			this.log(chalk.gray('VERB'), chalk.gray(message), important);
 		}

src/prelude/maybe.ts

@@ -0,0 +1,20 @@
+export interface Maybe<T> {
+	isJust(): this is Just<T>;
+}
+
+export type Just<T> = Maybe<T> & {
+	get(): T
+};
+
+export function just<T>(value: T): Just<T> {
+	return {
+		isJust: () => true,
+		get: () => value
+	};
+}
+
+export function nothing<T>(): Maybe<T> {
+	return {
+		isJust: () => false,
+	};
+}