Function bind_callable

This function will bind the this value of a callable during invocation, but will still let through access to properties of the original callable.

Motivation: Normal binding of a function will prevent access to custom properties defined on the function. Binding a function this way will allow continued access to properties defined on your function.

Example

const person = () => console.log("Hello");
person.name = "tejohnst";

console.log(person.bind({}).name); // undefined
console.log(bind_callable(person, {}).name); // "tejohnst"
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