优化丑陋的代码

hydro/lib/jwt.js

@@ -3,8 +3,8 @@ function decodeBase64WithUriEncoding(encodedText) {
 }
 
 function unescapedString(escapedString) {
-    escapedString += new Array(5 - escapedString.length % 4).join('=');
-    return escapedString.replace(/\-/g, '+').replace(/_/g, '/');
+    escapedString += new Array(5 - (escapedString.length % 4)).join('=');
+    return escapedString.replace(/-/g, '+').replace(/_/g, '/');
 }
 
 function decodeJWT(idToken) {

hydro/lib/misc.js

@@ -62,7 +62,7 @@ function _digit2(number) {
 }
 
 function formatSeconds(seconds = 0) {
-    seconds = parseInt(seconds);
+    seconds = parseInt(seconds, 10);
     return '{0}:{1}:{2}'.format(
         _digit2(Math.floor(seconds / 3600)),
         _digit2(Math.floor((seconds % 3600) / 60)),

hydro/lib/testdata.convert.ini.js

@@ -6,9 +6,9 @@ function convert(ini) {
     const res = { cases: [] };
     for (let i = 1; i <= count; i++) {
         const [input, output, time, score, memory] = f[i].split('|');
-        const cur = { input, output, score: parseInt(score) };
+        const cur = { input, output, score: parseInt(score, 10) };
         cur.time = `${time}s`;
-        if (!Number.isNaN(parseInt(memory))) cur.memory = `${Math.floor(parseInt(memory) / 1024)}m`;
+        if (!Number.isNaN(parseInt(memory, 10))) cur.memory = `${Math.floor(parseInt(memory, 10) / 1024)}m`;
         else cur.memory = '128m';
         res.cases.push(cur);
     }