fix issue with date comparison logic in sign up handler lambda

szinck · szinck · commit 9154b58256f6 · 2025-04-28T12:26:29.000-05:00
the comparison was the wrong way around so only let people under 13 sign up
diff --git a/src/pages/[platform]/build-a-backend/functions/examples/user-attribute-validation/index.mdx b/src/pages/[platform]/build-a-backend/functions/examples/user-attribute-validation/index.mdx
@@ -50,7 +50,7 @@ import type { PreSignUpTriggerHandler } from "aws-lambda"
 function isOlderThan(date: Date, age: number) {
   const comparison = new Date()
   comparison.setFullYear(comparison.getFullYear() - age)
-  return date.getTime() > comparison.getTime()
+  return date.getTime() <= comparison.getTime()
 }
 
 export const handler: PreSignUpTriggerHandler = async (event) => {

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,7 @@ import type { PreSignUpTriggerHandler } from "aws-lambda"`
`50`	`50`	`function isOlderThan(date: Date, age: number) {`
`51`	`51`	`const comparison = new Date()`
`52`	`52`	`comparison.setFullYear(comparison.getFullYear() - age)`
`53`		`- return date.getTime() > comparison.getTime()`
	`53`	`+ return date.getTime() <= comparison.getTime()`
`54`	`54`	`}`
`55`	`55`
`56`	`56`	`export const handler: PreSignUpTriggerHandler = async (event) => {`