hypershield
Version:
Middleware suite for high-performance and resilient APIs
35 lines • 1.81 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.compressionMiddleware = void 0;
const compressionFactory_1 = require("../../../services/factories/compressionFactory");
const compressionMiddleware = () => {
const compressor = compressionFactory_1.CompressionFactory.createCompressor('gzip', { level: 6 });
return (req, res, next) => __awaiter(void 0, void 0, void 0, function* () {
const originalSend = res.send;
res.send = function (data) {
var _a;
if ((_a = req.headers['accept-encoding']) === null || _a === void 0 ? void 0 : _a.includes('gzip')) {
compressor.compress(data)
.then(compressed => {
res.setHeader('Content-Encoding', 'gzip');
originalSend.call(this, compressed);
})
.catch(next);
return this;
}
return originalSend.call(this, data);
};
next();
});
};
exports.compressionMiddleware = compressionMiddleware;
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