import { slidingWindowRemainingTokensScript } from "https://deno.land/x/upstash_ratelimit@v1.2.1/src/lua-scripts/single.ts";
type
`
local currentKey = KEYS[1] -- identifier including prefixes
local previousKey = KEYS[2] -- key of the previous bucket
local now = ARGV[1] -- current timestamp in milliseconds
local window = ARGV[2] -- interval in milliseconds
local requestsInCurrentWindow = redis.call("GET", currentKey)
if requestsInCurrentWindow == false then
requestsInCurrentWindow = 0
end
local requestsInPreviousWindow = redis.call("GET", previousKey)
if requestsInPreviousWindow == false then
requestsInPreviousWindow = 0
end
local percentageInCurrent = ( now % window ) / window
-- weighted requests to consider from the previous window
requestsInPreviousWindow = math.floor(( 1 - percentageInCurrent ) * requestsInPreviousWindow)
return requestsInPreviousWindow + requestsInCurrentWindow
`