You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

55 lines
1.2 KiB
TypeScript

declare const mimicFn: {
/**
Make a function mimic another one. It will copy over the properties `name`, `length`, `displayName`, and any custom properties you may have set.
@param to - Mimicking function.
@param from - Function to mimic.
@returns The modified `to` function.
@example
```
import mimicFn = require('mimic-fn');
function foo() {}
foo.unicorn = '🦄';
function wrapper() {
return foo();
}
console.log(wrapper.name);
//=> 'wrapper'
mimicFn(wrapper, foo);
console.log(wrapper.name);
//=> 'foo'
console.log(wrapper.unicorn);
//=> '🦄'
```
*/
<
ArgumentsType extends unknown[],
ReturnType,
FunctionType extends (...arguments: ArgumentsType) => ReturnType
>(
to: (...arguments: ArgumentsType) => ReturnType,
from: FunctionType
): FunctionType;
// TODO: Remove this for the next major release, refactor the whole definition to:
// declare function mimicFn<
// ArgumentsType extends unknown[],
// ReturnType,
// FunctionType extends (...arguments: ArgumentsType) => ReturnType
// >(
// to: (...arguments: ArgumentsType) => ReturnType,
// from: FunctionType
// ): FunctionType;
// export = mimicFn;
default: typeof mimicFn;
};
export = mimicFn;