phecda-server/dist/http/koa/index.mjs

server framework that provide IOC/type-reuse/http&rpc-adaptor

import {
  BadRequestException,
  Context,
  createControllerMetaMap,
  detectAopDep,
  joinUrl
} from "../../chunk-WST6E6MQ.mjs";
import {
  HMR,
  __name
} from "../../chunk-URKOYTBU.mjs";

// src/http/koa/bind.ts
import Router from "@koa/router";
import Debug from "debug";
var debug = Debug("phecda-server/koa");
function bind(router, data, opts = {}) {
  const { globalGuards, parallelRoute, globalAddons = [], parallelAddons = [], globalFilter, globalPipe, dynamic = false } = opts;
  const { moduleMap, meta } = data;
  const originStack = router.stack.slice(0, router.stack.length);
  const metaMap = createControllerMetaMap(meta, (meta2) => {
    const { controller, http, method, tag } = meta2.data;
    if (controller === "http" && http?.method) {
      debug(`register method "${method}" in module "${tag}"`);
      return true;
    }
  });
  detectAopDep(meta, {
    addons: [
      ...globalAddons,
      ...parallelAddons
    ],
    guards: globalGuards
  });
  registerRoute();
  function registerRoute() {
    Context.applyAddons(globalAddons, router, "koa");
    if (parallelRoute) {
      const subRouter = new Router();
      Context.applyAddons(parallelAddons, subRouter, "koa");
      subRouter.post(parallelRoute, async (ctx, next) => {
        const { body } = ctx.request;
        async function errorHandler(e) {
          const error = await Context.filterRecord.default(e);
          ctx.status = error.status;
          ctx.body = error;
        }
        __name(errorHandler, "errorHandler");
        if (!Array.isArray(body)) return errorHandler(new BadRequestException("data format should be an array"));
        try {
          return Promise.all(body.map((item, i) => {
            return new Promise(async (resolve) => {
              if (!item) return resolve(null);
              const { tag, method } = item;
              debug(`(parallel)invoke method "${method}" in module "${tag}"`);
              if (!metaMap.has(tag)) return resolve(await Context.filterRecord.default(new BadRequestException(`module "${tag}" doesn't exist`)));
              const meta2 = metaMap.get(tag)[method];
              if (!meta2) return resolve(await Context.filterRecord.default(new BadRequestException(`"${method}" in "${tag}" doesn't exist`)));
              const aop = Context.getAop(meta2, {
                globalGuards,
                globalFilter,
                globalPipe
              });
              const contextData = {
                type: "koa",
                category: "http",
                index: i,
                ctx,
                meta: meta2,
                moduleMap,
                parallel: true,
                next,
                app: router,
                ...item,
                getCookie: /* @__PURE__ */ __name((key) => ctx.cookies.get(key), "getCookie"),
                setCookie: /* @__PURE__ */ __name((key, value, opts2) => ctx.cookies.set(key, value, opts2), "setCookie"),
                delCookie: /* @__PURE__ */ __name((key) => ctx.cookies.set(key, "", {
                  expires: /* @__PURE__ */ new Date(0)
                }), "delCookie"),
                redirect: /* @__PURE__ */ __name((url) => ctx.redirect(url), "redirect"),
                setResHeaders: /* @__PURE__ */ __name((headers) => ctx.set(headers), "setResHeaders"),
                setResStatus: /* @__PURE__ */ __name((status) => ctx.status = status, "setResStatus"),
                getRequest: /* @__PURE__ */ __name(() => ctx.req, "getRequest"),
                getResponse: /* @__PURE__ */ __name(() => ctx.res, "getResponse")
              };
              const context = new Context(contextData);
              context.run(aop, resolve, resolve);
            });
          })).then((ret) => {
            ctx.body = ret;
          });
        } catch (e) {
          return errorHandler(e);
        }
      });
      router.use(subRouter.routes()).use(subRouter.allowedMethods());
    }
    for (const [tag, record] of metaMap) {
      for (const method in record) {
        const meta2 = metaMap.get(tag)[method];
        const { data: { addons, http } } = meta2;
        if (!http?.method) continue;
        let aop;
        if (!dynamic) {
          aop = Context.getAop(meta2, {
            globalFilter,
            globalGuards,
            globalPipe
          });
        }
        const subRouter = new Router();
        Context.applyAddons(addons, subRouter, "koa");
        router[http.method](joinUrl(http.prefix, http.route), async (ctx, next) => {
          debug(`invoke method "${method}" in module "${tag}"`);
          const contextData = {
            type: "koa",
            app: router,
            ctx,
            meta: meta2,
            moduleMap,
            tag,
            method,
            query: ctx.query,
            params: ctx.params,
            category: "http",
            body: ctx.request.body,
            headers: ctx.headers,
            next,
            getCookie: /* @__PURE__ */ __name((key) => ctx.cookies.get(key), "getCookie"),
            setCookie: /* @__PURE__ */ __name((key, value, opts2) => ctx.cookies.set(key, value, opts2), "setCookie"),
            delCookie: /* @__PURE__ */ __name((key) => ctx.cookies.set(key, "", {
              expires: /* @__PURE__ */ new Date(0)
            }), "delCookie"),
            redirect: /* @__PURE__ */ __name((url) => ctx.redirect(url), "redirect"),
            setResHeaders: /* @__PURE__ */ __name((headers) => ctx.set(headers), "setResHeaders"),
            setResStatus: /* @__PURE__ */ __name((status) => ctx.status = status, "setResStatus"),
            getRequest: /* @__PURE__ */ __name(() => ctx.req, "getRequest"),
            getResponse: /* @__PURE__ */ __name(() => ctx.res, "getResponse")
          };
          const context = new Context(contextData);
          if (http.headers) ctx.set(http.headers);
          if (dynamic) {
            aop = Context.getAop(meta2, {
              globalFilter,
              globalGuards,
              globalPipe
            });
          }
          await context.run(aop, (returnData) => {
            if (ctx.res.writableEnded) return;
            ctx.body = returnData;
          }, (err) => {
            if (ctx.res.writableEnded) return;
            ctx.status = err.status;
            ctx.body = err;
          });
        });
        router.use(subRouter.routes()).use(subRouter.allowedMethods());
      }
    }
  }
  __name(registerRoute, "registerRoute");
  HMR(async () => {
    router.stack = originStack;
    registerRoute();
  });
}
__name(bind, "bind");
export {
  bind
};