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backend/node_modules/fast-json-stringify/lib/serializer.js

@@ -92,7 +92,9 @@ module.exports = class Serializer {
 
   asString (str) {
     const len = str.length
-    if (len < 42) {
+    if (len === 0) {
+      return '""'
+    } else if (len < 42) {
       // magically escape strings for json
       // relying on their charCodeAt
       // everything below 32 needs JSON.stringify()
@@ -102,8 +104,7 @@ module.exports = class Serializer {
       let result = ''
       let last = -1
       let point = 255
-      // eslint-disable-next-line
-      for (var i = 0; i < len; i++) {
+      for (let i = 0; i < len; i++) {
         point = str.charCodeAt(i)
         if (
           point === 0x22 || // '"'