hookfunction - Potassium

function hookfunction(target: function, hook: function): function

function

required

The function to hook.

function

required

The function to call instead.

Aliases: hookfunc replaceclosure

Example

This example hooks the print function and replaces it with a warning if the content is “Hello, world!”.

local old = nil
old = hookfunction(print, function(...)
    if select(1, ...) == "Hello, world!" then
        return warn(...)
    end

    return old(...)
end)

print("Hello, world!") -- This will be a warning.
print("Goodbye, world!") -- This will be a print.

​Example

Example