@plokkke/nest-health-registry
Version:
A NestJS module providing a health check registry using @nestjs/terminus
71 lines • 3.01 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.HealthRegistryService = void 0;
const common_1 = require("@nestjs/common");
const terminus_1 = require("@nestjs/terminus");
let HealthRegistryService = class HealthRegistryService {
health;
healthIndicatorService;
_livenessChecks = {};
_readinessChecks = {};
constructor(health, healthIndicatorService) {
this.health = health;
this.healthIndicatorService = healthIndicatorService;
}
get livenessChecks() {
return Object.entries(this._livenessChecks).map(([key, check]) => {
return async () => {
const indicator = this.healthIndicatorService.check(key);
return (await check()) ? indicator.up() : indicator.down();
};
});
}
get readinessChecks() {
return Object.entries(this._readinessChecks).map(([key, check]) => {
return async () => {
const indicator = this.healthIndicatorService.check(key);
return (await check()) ? indicator.up() : indicator.down();
};
});
}
checkLiveness() {
return this.health.check(this.livenessChecks);
}
checkReadiness() {
return this.health.check(this.readinessChecks);
}
addLivenessCheck(key, check) {
if (key in this._livenessChecks) {
throw new Error(`Liveness check with key "${key}" already exists`);
}
this._livenessChecks[key] = check;
}
addReadinessCheck(key, check) {
if (key in this._readinessChecks) {
throw new Error(`Readiness check with key "${key}" already exists`);
}
this._readinessChecks[key] = check;
}
removeLivenessCheck(key) {
delete this._livenessChecks[key];
}
removeReadinessCheck(key) {
delete this._readinessChecks[key];
}
};
exports.HealthRegistryService = HealthRegistryService;
exports.HealthRegistryService = HealthRegistryService = __decorate([
(0, common_1.Injectable)(),
__metadata("design:paramtypes", [terminus_1.HealthCheckService,
terminus_1.HealthIndicatorService])
], HealthRegistryService);
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