44 lines
1.7 KiB
JavaScript
44 lines
1.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.GatewayMetadataExplorer = void 0;
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const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
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const constants_1 = require("./constants");
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class GatewayMetadataExplorer {
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constructor(metadataScanner) {
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this.metadataScanner = metadataScanner;
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}
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explore(instance) {
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const instancePrototype = Object.getPrototypeOf(instance);
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return this.metadataScanner
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.getAllMethodNames(instancePrototype)
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.map(method => this.exploreMethodMetadata(instancePrototype, method))
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.filter(metadata => metadata);
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}
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exploreMethodMetadata(instancePrototype, methodName) {
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const callback = instancePrototype[methodName];
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const isMessageMapping = Reflect.getMetadata(constants_1.MESSAGE_MAPPING_METADATA, callback);
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if ((0, shared_utils_1.isUndefined)(isMessageMapping)) {
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return null;
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}
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const message = Reflect.getMetadata(constants_1.MESSAGE_METADATA, callback);
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return {
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callback,
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message,
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methodName,
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};
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}
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*scanForServerHooks(instance) {
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for (const propertyKey in instance) {
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if ((0, shared_utils_1.isFunction)(propertyKey)) {
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continue;
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}
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const property = String(propertyKey);
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const isServer = Reflect.getMetadata(constants_1.GATEWAY_SERVER_METADATA, instance, property);
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if (!(0, shared_utils_1.isUndefined)(isServer)) {
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yield property;
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}
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}
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}
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}
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exports.GatewayMetadataExplorer = GatewayMetadataExplorer;
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