TS7031: Binding element implicitly has an 'any' type TypeScript Origin: On your device OSI layer 7 · Application Last updated 5 Nov 2026

TypeScript: error TS7031: Binding element 'name' implicitly has an 'any' type.

A destructured parameter has no type, so its elements default to any.

Exact message you may see error TS7031: Binding element 'name' implicitly has an 'any' type.Binding element implicitly has an 'any' type. ts(7031)TS7031 Binding element 'x' implicitly has an 'any' typeerror TS7031
Seen on: TypeScript React

Meaning

Type the whole parameter: function Card({ name }: { name: string }) or ({ name }: Props). Common in React components, Express handlers, and event callbacks where context typing is missing.

Common causes

  • Destructured props without a Props type
  • Callback parameters without contextual typing
  • Function declared before types exist
  • JS-style code in TS
  • Missing generic arguments

⚡ Quick fix

  1. function Card({ title }: Props) {}
  2. Define interface Props { title: string }
  3. Provide contextual types (React.FC<Props>, typed handler)

Detailed fix by platform

TypeScript

  1. export function Card({ title, onClick }: { title: string; onClick: () => void }) {}

How to diagnose

  1. Parameter — Typed?
  2. Props — Interface?
  3. Context — Provided?

🔧 Still not fixed?

Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:

Where this error sits

Origin: On your device. Errors that are often confused with or caused by this one (click to open):

[Vue warn]: Invalid prop: type check failed — Vue: [Vue warn]: Invalid prop: type check failed for prop "count". Expected Number with value 5, got String with value "5" (Vue)[Vue warn]: Invalid p…[Vue warn]: Missing required prop — Vue: [Vue warn]: Missing required prop: "title" (Vue)[Vue warn]: Missing r…Avoid mutating a prop directly — Vue: [Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders (Vue)Avoid mutating a prop…Cannot find module './App.vue' or its corresponding type declarations — TypeScript: error TS2307: Cannot find module './App.vue' or its corresponding type declarations. (Vue)Cannot find module '.…Failed prop type: The prop href expects a string or object in <Link> — Next.js: Error: Failed prop type: The prop `href` expects a `string` or `object` in `<Link>`, but got `undefined` instead (Next.js)Failed prop type: The…key is not a prop — Warning: `key` is not a prop. Trying to access it will result in `undefined` being returned. (React)key is not a propTS1005: ';' expected / ',' expected (syntax error) — TypeScript: error TS1005: ';' expected. (TypeScript)TS1005: ';' expected …TS1128: Declaration or statement expected — TypeScript: error TS1128: Declaration or statement expected. (TypeScript)TS1128: Declaration o…TS7031: B…

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