update

node_modules/body-parser/lib/utils.js

@@ -4,9 +4,9 @@
  * Module dependencies.
  */
 
-var bytes = require('bytes')
-var contentType = require('content-type')
-var typeis = require('type-is')
+const bytes = require('bytes')
+const contentType = require('content-type')
+const typeis = require('type-is')
 
 /**
  * Module exports.
@@ -25,11 +25,9 @@ module.exports = {
  * @private
  */
 function getCharset (req) {
-  try {
-    return (contentType.parse(req).parameters.charset || '').toLowerCase()
-  } catch {
-    return undefined
-  }
+  const header = req.headers['content-type']
+  if (!header) return undefined
+  return contentType.parse(header).parameters.charset?.toLowerCase()
 }
 
 /**
@@ -59,20 +57,24 @@ function normalizeOptions (options, defaultType) {
     throw new TypeError('defaultType must be provided')
   }
 
-  var inflate = options?.inflate !== false
-  var limit = typeof options?.limit !== 'number'
-    ? bytes.parse(options?.limit || '100kb')
-    : options?.limit
-  var type = options?.type || defaultType
-  var verify = options?.verify || false
-  var defaultCharset = options?.defaultCharset || 'utf-8'
+  const inflate = options?.inflate !== false
+  const limit = typeof options?.limit === 'undefined' || options?.limit === null
+    ? 102400 // 100kb default
+    : bytes.parse(options.limit)
+  const type = options?.type || defaultType
+  const verify = options?.verify || false
+  const defaultCharset = options?.defaultCharset || 'utf-8'
+
+  if (limit === null) {
+    throw new TypeError(`option limit "${String(options.limit)}" is invalid`)
+  }
 
   if (verify !== false && typeof verify !== 'function') {
     throw new TypeError('option verify must be function')
   }
 
   // create the appropriate type checking function
-  var shouldParse = typeof type !== 'function'
+  const shouldParse = typeof type !== 'function'
     ? typeChecker(type)
     : type