Function isFunction

isFunction(value): value is Function
Returns true if a value is a function:

isFunction(() => {}); // true isFunction(class A {}); // true isFunction((class {}).bind()); // true
Parameters
- value: unknown
Returns value is Function
- Defined in common/predicates/is-function.ts:18

Index

Methods

Methods

assert

assert(value, message?): asserts value is Function
Parameters
- value: unknown
- Optional message: string
Returns asserts value is Function
- Defined in common/_internal/build-predicate-function.ts:39

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