core&ui: goodbye, minio (#417)

packages/hydrooj/src/options.ts

@@ -1,6 +1,6 @@
-import fs from 'fs';
 import os from 'os';
 import path from 'path';
+import { existsSync, readFileSync } from 'fs-extra';
 import { findFileSync } from '@hydrooj/utils/lib/utils';
 import { Logger } from './logger';
 
@@ -8,8 +8,8 @@ const logger = new Logger('options');
 
 export = function load() {
     const envFile = path.resolve(os.homedir(), '.hydro', 'env');
-    if (fs.existsSync(envFile)) {
-        const content = fs.readFileSync(envFile).toString().replace(/\r/g, '');
+    if (existsSync(envFile)) {
+        const content = readFileSync(envFile).toString().replace(/\r/g, '');
         for (const line of content.split('\n')) {
             if (!line.includes('=')) continue;
             process.env[line.split('=')[0]] = line.split('=')[1].trim();
@@ -19,7 +19,7 @@ export = function load() {
     if (!f) return null;
     let result: any = {};
     try {
-        result = JSON.parse(fs.readFileSync(f).toString());
+        result = JSON.parse(readFileSync(f, 'utf-8'));
     } catch (e) {
         logger.error('Cannot read config file %o', e);
         result = {};