app/http_rate_limit_simple/http_rate_limit_simple

Simple Rate Limiting - Sliding window rate limiter using shared dict Reference: https://github.com/nginx/njs-examples/blob/master/njs/http/rate-limit/simple.js

Uses js_shared_dict_zone to track request counts per client IP. Returns retry-after value (seconds) if rate limit exceeded, “0” otherwise.

pub fn exports() -> ngx.JsObject