@decorators/server
Version:
node decorators - decorators for express library
88 lines • 11.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.KoaAdapter = void 0;
const Koa = require("koa");
const koaMount = require("koa-mount");
const KoaRouter = require("koa-router");
const koaStatic = require("koa-static");
const http_1 = require("../http");
class KoaAdapter {
constructor(app = new Koa()) {
this.app = app;
this.type = 'koa';
}
attachServer(server) {
this.server = server;
}
close() {
if (this.server.listening) {
this.server.close();
}
}
getParam(type, name, ctx) {
const req = ctx.request;
const res = ctx.response;
switch (type) {
case http_1.ParameterType.BODY: return () => { var _a; return name ? (_a = req['body']) === null || _a === void 0 ? void 0 : _a[name] : req['body']; };
case http_1.ParameterType.COOKIE: return () => { var _a; return name ? (_a = ctx.cookies) === null || _a === void 0 ? void 0 : _a.get(name) : this.getCookies(ctx); };
case http_1.ParameterType.HEADER: return () => { var _a; return name ? (_a = ctx.headers) === null || _a === void 0 ? void 0 : _a[name] : ctx.headers; };
case http_1.ParameterType.PARAM: return () => { var _a; return name ? (_a = ctx.params) === null || _a === void 0 ? void 0 : _a[name] : ctx.params; };
case http_1.ParameterType.QUERY: return () => { var _a; return name ? (_a = ctx.query) === null || _a === void 0 ? void 0 : _a[name] : ctx.query; };
case http_1.ParameterType.REQUEST: return () => req;
case http_1.ParameterType.RESPONSE: return () => res;
default: return () => req;
}
}
isHeadersSent(response) {
return response.headerSent;
}
listen() {
this.server.on('request', this.app.callback());
}
async render(response, template, message) {
try {
const html = await response.ctx.render(template, message);
return html;
}
catch (err) {
throw new Error(err.message);
}
}
reply(response, message, statusCode) {
const isJson = typeof message === 'object';
if (statusCode) {
response.ctx.status = statusCode;
}
if (isJson) {
this.setHeader(response, 'Content-Type', 'application/json');
}
response.ctx.body = message;
}
routes(routes) {
var _a;
const router = new KoaRouter();
for (const route of routes) {
(_a = router[route.type]) === null || _a === void 0 ? void 0 : _a.call(router, route.url.replace('*', '(.*)'), route.handler);
}
this.app.use(router.routes());
}
serveStatic(prefix, path, options) {
this.app.use(koaMount(prefix, koaStatic(path, options)));
}
setHeader(response, name, value) {
response.set(name, value);
}
use(...args) {
this.app.use.call(this.app, ...args);
}
getCookies(ctx) {
return ctx.headers.cookie
.split(';')
.reduce((acc, cookie) => {
const [name, value] = cookie.trim().split('=');
return { ...acc, [name]: value };
}, {});
}
}
exports.KoaAdapter = KoaAdapter;
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req['body']?.[name] : req['body'];\n      case ParameterType.COOKIE: return () => name ? ctx.cookies?.get(name) : this.getCookies(ctx);\n      case ParameterType.HEADER: return () => name ? ctx.headers?.[name] : ctx.headers;\n      case ParameterType.PARAM: return () => name ? ctx.params?.[name] : ctx.params;\n      case ParameterType.QUERY: return () => name ? ctx.query?.[name] : ctx.query;\n      case ParameterType.REQUEST: return () => req;\n      case ParameterType.RESPONSE: return () => res;\n      default: return () => req;\n    }\n  }\n\n  isHeadersSent(response: Koa.Response) {\n    return response.headerSent;\n  }\n\n  listen() {\n    this.server.on('request', this.app.callback());\n  }\n\n  async render(response: Koa.Response, template: string, message: object) {\n    try {\n      const html = await response.ctx.render(template, message);\n\n      return html as unknown as string;\n    } catch (err) {\n      throw new Error(err.message);\n    }\n  }\n\n  reply(response: Koa.Response, message: unknown, statusCode?: number) {\n    const isJson = typeof message === 'object';\n\n    if (statusCode) {\n      response.ctx.status = statusCode;\n    }\n\n    if (isJson) {\n      this.setHeader(response, 'Content-Type', 'application/json');\n    }\n\n    response.ctx.body = message;\n  }\n\n  routes(routes: AdapterRoute[]) {\n    const router = new KoaRouter();\n\n    for (const route of routes) {\n      router[route.type]?.(route.url.replace('*', '(.*)'), route.handler);\n    }\n\n    this.app.use(router.routes());\n  }\n\n  serveStatic(prefix: string, path: string, options?: unknown) {\n    this.app.use(koaMount(prefix, koaStatic(path, options)));\n  }\n\n  setHeader(response: Koa.Response, name: string, value: string) {\n    response.set(name, value);\n  }\n\n  use(...args: any[]) {\n    this.app.use.call(this.app, ...args);\n  }\n\n  private getCookies(ctx: Koa.Context) {\n    return ctx.headers.cookie\n      .split(';')\n      .reduce((acc, cookie) => {\n        const [name, value] = cookie.trim().split('=');\n\n        return { ...acc, [name]: value };\n      }, {});\n  }\n}\n"]}