@elysiajs/server-timing/dist/cjs/index.js

Plugin for Elysia for performance audit via server timing

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var index_exports = {};
__export(index_exports, {
  default: () => index_default,
  serverTiming: () => serverTiming
});
module.exports = __toCommonJS(index_exports);
var import_elysia = require("elysia");
var getLabel = (event, listener, write) => {
  listener(async ({ onStop, onEvent, total }) => {
    let label = "";
    if (total === 0) return;
    onEvent(({ name, index, onStop: onStop2 }) => {
      onStop2(({ elapsed }) => {
        label += `${event}.${index}.${name || "anon"};dur=${elapsed},`;
      });
    });
    onStop(({ elapsed }) => {
      label += `${event};dur=${elapsed},`;
      write(label);
    });
  });
};
var serverTiming = ({
  allow,
  enabled = process.env.NODE_ENV !== "production",
  trace: {
    request: traceRequest = true,
    parse: traceParse = true,
    transform: traceTransform = true,
    beforeHandle: traceBeforeHandle = true,
    handle: traceHandle = true,
    afterHandle: traceAfterHandle = true,
    error: traceError = true,
    mapResponse: traceMapResponse = true,
    total: traceTotal = true
  } = {}
} = {}) => {
  const app = new import_elysia.Elysia();
  if (enabled) {
    app.trace(
      { as: "global" },
      async ({
        onRequest,
        onParse,
        onTransform,
        onBeforeHandle,
        onHandle,
        onAfterHandle,
        onMapResponse,
        onError,
        set,
        context,
        context: {
          request: { method }
        }
      }) => {
        let label = "";
        const write = (nextValue) => {
          label += nextValue;
        };
        let start;
        onRequest(({ begin }) => {
          start = begin;
        });
        if (traceRequest) getLabel("request", onRequest, write);
        if (traceParse) getLabel("parse", onParse, write);
        if (traceTransform) getLabel("transform", onTransform, write);
        if (traceBeforeHandle)
          getLabel("beforeHandle", onBeforeHandle, write);
        if (traceAfterHandle)
          getLabel("afterHandle", onAfterHandle, write);
        if (traceError) getLabel("error", onError, write);
        if (traceMapResponse)
          getLabel("mapResponse", onMapResponse, write);
        if (traceHandle)
          onHandle(({ name, onStop }) => {
            onStop(({ elapsed }) => {
              label += `handle.${name};dur=${elapsed},`;
            });
          });
        onMapResponse(({ onStop }) => {
          onStop(async ({ end }) => {
            let allowed = allow;
            if (allowed instanceof Promise) allowed = await allowed;
            if (traceTotal) label += `total;dur=${end - start}`;
            else label = label.slice(0, -1);
            switch (typeof allowed) {
              case "boolean":
                if (allowed === false)
                  delete set.headers["Server-Timing"];
                set.headers["Server-Timing"] = label;
                break;
              case "function":
                if (await allowed(context) === false)
                  delete set.headers["Server-Timing"];
                set.headers["Server-Timing"] = label;
                break;
              default:
                set.headers["Server-Timing"] = label;
            }
          });
        });
      }
    );
  }
  return app;
};
var index_default = serverTiming;
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  serverTiming
});