@nestjs/microservices
Version:
Nest - modern, fast, powerful node.js web framework (@microservices)
38 lines (37 loc) • 1.58 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventPattern = void 0;
const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
const constants_1 = require("../constants");
const pattern_handler_enum_1 = require("../enums/pattern-handler.enum");
/**
* Subscribes to incoming events which fulfils chosen pattern.
*
* @publicApi
*/
const EventPattern = (metadata, transportOrExtras, maybeExtras) => {
let transport;
let extras;
if (((0, shared_utils_1.isNumber)(transportOrExtras) || (0, shared_utils_1.isSymbol)(transportOrExtras)) &&
(0, shared_utils_1.isNil)(maybeExtras)) {
transport = transportOrExtras;
}
else if ((0, shared_utils_1.isObject)(transportOrExtras) && (0, shared_utils_1.isNil)(maybeExtras)) {
extras = transportOrExtras;
}
else {
transport = transportOrExtras;
extras = maybeExtras;
}
return (target, key, descriptor) => {
Reflect.defineMetadata(constants_1.PATTERN_METADATA, [].concat(metadata), descriptor.value);
Reflect.defineMetadata(constants_1.PATTERN_HANDLER_METADATA, pattern_handler_enum_1.PatternHandler.EVENT, descriptor.value);
Reflect.defineMetadata(constants_1.TRANSPORT_METADATA, transport, descriptor.value);
Reflect.defineMetadata(constants_1.PATTERN_EXTRAS_METADATA, {
...Reflect.getMetadata(constants_1.PATTERN_EXTRAS_METADATA, descriptor.value),
...extras,
}, descriptor.value);
return descriptor;
};
};
exports.EventPattern = EventPattern;