@web-atoms/core/dist/services/ReferenceService.js

Web Atoms Core

System.register(["tslib", "../di/DISingleton"], function (_export, _context) {
  "use strict";

  var __decorate, DISingleton, ObjectReference, ReferenceService;
  _export("ObjectReference", void 0);
  return {
    setters: [function (_tslib) {
      __decorate = _tslib.__decorate;
    }, function (_diDISingleton) {
      DISingleton = _diDISingleton.default;
    }],
    execute: function () {
      _export("ObjectReference", ObjectReference = class ObjectReference {
        constructor(key, value) {
          this.key = key;
          this.value = value;
        }
      });
      ReferenceService = class ReferenceService {
        constructor() {
          this.cache = {};
          this.id = 1;
        }
        get(key) {
          return this.cache[key];
        }
        put(item, ttl = 60) {
          const key = `k${this.id++}`;
          const r = new ObjectReference(key, item);
          r.consume = () => {
            delete this.cache[key];
            if (r.timeout) {
              clearTimeout(r.timeout);
            }
            return r.value;
          };
          r.timeout = setTimeout(() => {
            r.timeout = 0;
            r.consume();
          }, ttl * 1000);
          this.cache[key] = r;
          return r;
        }
      };
      ReferenceService = __decorate([DISingleton()], ReferenceService);
      _export("default", ReferenceService);
    }
  };
});
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