Toolbox-XToolbox-X
GuardsFunction Guards

Check Method Descriptor

Checks if a property descriptor represents a method.

isMethodDescriptor

Import

import { isMethodDescriptor } from 'toolbox-x/guards';

Specialized guard checking if a property descriptor represents a method (function-valued property). Useful for reflection and decorators.

Signature

function isMethodDescriptor(descriptor: Maybe<PropertyDescriptor>): descriptor is MethodDescriptor

Examples

playground.ts

Alias

Main ExportAlias Names
isMethodDescriptorisMethod

Use Cases

  • Property descriptor validation
  • Decorator implementations
  • Reflection-based code
  • Runtime method checking

Last updated: Sun, May 31, 2026 05:04:16AM (UTC)

Check Function

Determines if a value is a callable function.

Check Promise

Determines if a value is a Promise (thenable object).

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isMethodDescriptorImportSignatureExamplesAliasUse Cases