local __TS__Promise
do
    local function makeDeferredPromiseFactory()
        local resolve
        local reject
        local function executor(____, res, rej)
            resolve = res
            reject = rej
        end
        return function()
            local promise = __TS__New(__TS__Promise, executor)
            return promise, resolve, reject
        end
    end
    local makeDeferredPromise = makeDeferredPromiseFactory()
    local function isPromiseLike(value)
        return __TS__InstanceOf(value, __TS__Promise)
    end
    local function doNothing(self)
    end
    local ____pcall = _G.pcall
    __TS__Promise = __TS__Class()
    __TS__Promise.name = "__TS__Promise"
    function __TS__Promise.prototype.____constructor(self, executor)
        self.state = 0
        self.fulfilledCallbacks = {}
        self.rejectedCallbacks = {}
        local success, ____error = ____pcall(
            executor,
            nil,
            function(____, v) return self:resolve(v) end,
            function(____, err) return self:reject(err) end
        )
        if not success then
            self:reject(____error)
        end
    end
    function __TS__Promise.resolve(value)
        if __TS__InstanceOf(value, __TS__Promise) then
            return value
        end
        local promise = __TS__New(__TS__Promise, doNothing)
        promise.state = 1
        promise.value = value
        return promise
    end
    function __TS__Promise.reject(reason)
        local promise = __TS__New(__TS__Promise, doNothing)
        promise.state = 2
        promise.rejectionReason = reason
        return promise
    end
    __TS__Promise.prototype["then"] = function(self, onFulfilled, onRejected)
        local promise, resolve, reject = makeDeferredPromise()
        self:addCallbacks(
            onFulfilled and self:createPromiseResolvingCallback(onFulfilled, resolve, reject) or resolve,
            onRejected and self:createPromiseResolvingCallback(onRejected, resolve, reject) or reject
        )
        return promise
    end
    function __TS__Promise.prototype.addCallbacks(self, fulfilledCallback, rejectedCallback)
        if self.state == 1 then
            return fulfilledCallback(nil, self.value)
        end
        if self.state == 2 then
            return rejectedCallback(nil, self.rejectionReason)
        end
        local ____self_fulfilledCallbacks_0 = self.fulfilledCallbacks
        ____self_fulfilledCallbacks_0[#____self_fulfilledCallbacks_0 + 1] = fulfilledCallback
        local ____self_rejectedCallbacks_1 = self.rejectedCallbacks
        ____self_rejectedCallbacks_1[#____self_rejectedCallbacks_1 + 1] = rejectedCallback
    end
    function __TS__Promise.prototype.catch(self, onRejected)
        return self["then"](self, nil, onRejected)
    end
    function __TS__Promise.prototype.finally(self, onFinally)
        return self["then"](
            self,
            onFinally and (function(____, value)
                onFinally(nil)
                return value
            end) or nil,
            onFinally and (function(____, reason)
                onFinally(nil)
                error(reason, 0)
            end) or nil
        )
    end
    function __TS__Promise.prototype.resolve(self, value)
        if isPromiseLike(value) then
            return value:addCallbacks(
                function(____, v) return self:resolve(v) end,
                function(____, err) return self:reject(err) end
            )
        end
        if self.state == 0 then
            self.state = 1
            self.value = value
            return self:invokeCallbacks(self.fulfilledCallbacks, value)
        end
    end
    function __TS__Promise.prototype.reject(self, reason)
        if self.state == 0 then
            self.state = 2
            self.rejectionReason = reason
            return self:invokeCallbacks(self.rejectedCallbacks, reason)
        end
    end
    function __TS__Promise.prototype.invokeCallbacks(self, callbacks, value)
        local callbacksLength = #callbacks
        if callbacksLength ~= 0 then
            for i = 1, callbacksLength - 1 do
                callbacks[i](callbacks, value)
            end
            return callbacks[callbacksLength](callbacks, value)
        end
    end
    function __TS__Promise.prototype.createPromiseResolvingCallback(self, f, resolve, reject)
        return function(____, value)
            local success, resultOrError = ____pcall(f, nil, value)
            if not success then
                return reject(nil, resultOrError)
            end
            return self:handleCallbackValue(resultOrError, resolve, reject)
        end
    end
    function __TS__Promise.prototype.handleCallbackValue(self, value, resolve, reject)
        if isPromiseLike(value) then
            local nextpromise = value
            if nextpromise.state == 1 then
                return resolve(nil, nextpromise.value)
            elseif nextpromise.state == 2 then
                return reject(nil, nextpromise.rejectionReason)
            else
                return nextpromise:addCallbacks(resolve, reject)
            end
        else
            return resolve(nil, value)
        end
    end
end