build

node_modules/json5/lib/stringify.js

@@ -124,13 +124,20 @@ module.exports = function stringify (value, replacer, space) {
 
         let product = ''
 
-        for (const c of value) {
+        for (let i = 0; i < value.length; i++) {
+            const c = value[i]
             switch (c) {
             case "'":
             case '"':
                 quotes[c]++
                 product += c
                 continue
+
+            case '\0':
+                if (util.isDigit(value[i + 1])) {
+                    product += '\\x00'
+                    continue
+                }
             }
 
             if (replacements[c]) {

node_modules/json5/lib/util.js

@@ -2,11 +2,11 @@ const unicode = require('../lib/unicode')
 
 module.exports = {
     isSpaceSeparator (c) {
-        return unicode.Space_Separator.test(c)
+        return typeof c === 'string' && unicode.Space_Separator.test(c)
     },
 
     isIdStartChar (c) {
-        return (
+        return typeof c === 'string' && (
             (c >= 'a' && c <= 'z') ||
         (c >= 'A' && c <= 'Z') ||
         (c === '$') || (c === '_') ||
@@ -15,7 +15,7 @@ module.exports = {
     },
 
     isIdContinueChar (c) {
-        return (
+        return typeof c === 'string' && (
             (c >= 'a' && c <= 'z') ||
         (c >= 'A' && c <= 'Z') ||
         (c >= '0' && c <= '9') ||
@@ -26,10 +26,10 @@ module.exports = {
     },
 
     isDigit (c) {
-        return /[0-9]/.test(c)
+        return typeof c === 'string' && /[0-9]/.test(c)
     },
 
     isHexDigit (c) {
-        return /[0-9A-Fa-f]/.test(c)
+        return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)
     },
 }