zan-proxy
Version:
51 lines • 2 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const stream_1 = __importDefault(require("stream"));
class HttpHandler {
constructor() {
this.middleware = () => Promise.resolve(null);
}
handle(req, res) {
return __awaiter(this, void 0, void 0, function* () {
const context = {
req,
res,
};
this.middleware(context).then(() => {
if (!res.writable || res.finished) {
return Promise.resolve(false);
}
const { body } = res;
if (!body) {
res.end('');
}
if (Buffer.isBuffer(body)) {
return res.end(body);
}
if ('string' === typeof body) {
return res.end(body);
}
if (body instanceof stream_1.default) {
return body.pipe(res);
}
return res.end(JSON.stringify(body));
});
});
}
setMiddleware(middleware) {
this.middleware = middleware;
}
}
exports.HttpHandler = HttpHandler;
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