{"version":3,"file":"Events-YNfwLJe1.js","sources":["../../../app/frontend/entrypoints/utils/eventBus/Events.ts"],"sourcesContent":["export default class Events {\n  channelOptions: IChannelOptions | undefined\n  isChannelPaused = false\n\n  private readonly listenersList: any = []\n  private eventsQueue: any = []\n  private doneQueue: any = []\n  private isRunning = false\n  private triggerExecOnEmptyQueue: (() => void) | undefined\n  private triggerExecOnEmptyQueueOnce?: () => void\n\n  addEventListener(eventName: string, callback: (...args: any) => void, context?: any, once?: any) {\n    this.listenersList[eventName] = this.listenersList[eventName] || []\n    this.listenersList[eventName].push({ callback, context, once })\n  }\n\n  removeEventListener(eventName: string, callback: (...args: any) => void, context: any) {\n    const listeners = this.listenersList[eventName]\n\n    // if no listeners subscribed to this event stop execution\n    if (!listeners) return\n\n    // remove all listeners with the same signature\n    for (let i = 0; i < listeners.length; i++) {\n      if (listeners[i].callback === callback && listeners[i].context === context) {\n        listeners.splice(i, 1)\n      }\n    }\n  }\n\n  trigger(eventName: string, args?: any[]) {\n    const listeners = this.listenersList[eventName]\n\n    // if no listeners subscribed to this event stop execution\n    if (!listeners && !this.isChannelPaused) return\n\n    // push new event to the queue\n    this.eventsQueue = this.eventsQueue || []\n    this.eventsQueue.push({ eventName, args })\n\n    this.proceed()\n  }\n\n  execOnEmptyQueue(cb: any) {\n    this.triggerExecOnEmptyQueue = cb\n  }\n\n  execOnEmptyQueueOnce(cb: any) {\n    this.triggerExecOnEmptyQueueOnce = cb\n  }\n\n  proceed() {\n    // do not proceed if queue is being processed\n    if (this.isRunning || this.isChannelPaused) return\n\n    const queue = this.eventsQueue\n\n    if (queue.length > 0) {\n      this.isRunning = true\n\n      while (queue.length > 0) {\n        const event = queue.shift()\n\n        const listeners = this.listenersList[event.eventName]\n\n        if (!listeners) return\n        // if no listeners subscribed to this event stop execution\n        if (listeners.length === 0) return\n\n        const listenersToBeRemoved: any[] = []\n\n        for (const listener of listeners) {\n          let { args } = event\n\n          if (this.channelOptions && this.channelOptions.isSequence) {\n            const control = {\n              callback: listener,\n              done: () => {\n                if (control.isDone) {\n                  throw new Error('done() is being called multiple times.')\n                } else {\n                  // lets not process every event on the same JS call stack\n                  this.isRunning = false\n                  setTimeout(() => this.proceed())\n                }\n\n                control.isDone = true\n                this.doneQueue.splice(this.doneQueue.indexOf(control), 1)\n              },\n              isDone: false,\n            }\n\n            this.doneQueue.push(control)\n\n            // control is always the last element in arguments\n            if (event.args) {\n              args = args.concat(control)\n            } else {\n              args = [control]\n            }\n          }\n          listener.callback.apply(listener.context, args)\n\n          if (listener.once) {\n            listenersToBeRemoved.push({\n              eventName: event.eventName,\n              eventListener: listener,\n            })\n          }\n        }\n\n        while (listenersToBeRemoved.length > 0) {\n          const current: any = listenersToBeRemoved.shift()\n          this.removeEventListener(current.eventName, current.eventListener.callback, current.eventListener.context)\n        }\n      }\n    } else {\n      if (this.doneQueue.length === 0 && this.triggerExecOnEmptyQueue) {\n        this.triggerExecOnEmptyQueue()\n      }\n      if (this.doneQueue.length === 0 && this.triggerExecOnEmptyQueueOnce) {\n        this.triggerExecOnEmptyQueueOnce()\n        delete this.triggerExecOnEmptyQueueOnce\n      }\n    }\n\n    if (this.channelOptions && !this.channelOptions.isSequence) {\n      this.isRunning = false\n    }\n  }\n\n  flush() {\n    this.eventsQueue = []\n  }\n}\n"],"names":[],"mappings":"AAAA,MAAqB,OAAO;AAAA,EAA5B,cAAA;AAEoB,SAAA,kBAAA;AAElB,SAAiB,gBAAqB;AACtC,SAAQ,cAAmB;AAC3B,SAAQ,YAAiB;AACzB,SAAQ,YAAY;AAAA,EAAA;AAAA,EAIpB,iBAAiB,WAAmB,UAAkC,SAAe,MAAY;AAC/F,SAAK,cAAc,SAAS,IAAI,KAAK,cAAc,SAAS,KAAK;AAC5D,SAAA,cAAc,SAAS,EAAE,KAAK,EAAE,UAAU,SAAS,MAAM;AAAA,EAChE;AAAA,EAEA,oBAAoB,WAAmB,UAAkC,SAAc;AAC/E,UAAA,YAAY,KAAK,cAAc,SAAS;AAG9C,QAAI,CAAC;AAAW;AAGhB,aAAS,IAAI,GAAG,IAAI,UAAU,QAAQ,KAAK;AACrC,UAAA,UAAU,CAAC,EAAE,aAAa,YAAY,UAAU,CAAC,EAAE,YAAY,SAAS;AAChE,kBAAA,OAAO,GAAG,CAAC;AAAA,MACvB;AAAA,IACF;AAAA,EACF;AAAA,EAEA,QAAQ,WAAmB,MAAc;AACjC,UAAA,YAAY,KAAK,cAAc,SAAS;AAG1C,QAAA,CAAC,aAAa,CAAC,KAAK;AAAiB;AAGpC,SAAA,cAAc,KAAK,eAAe,CAAA;AACvC,SAAK,YAAY,KAAK,EAAE,WAAW,KAAM,CAAA;AAEzC,SAAK,QAAQ;AAAA,EACf;AAAA,EAEA,iBAAiB,IAAS;AACxB,SAAK,0BAA0B;AAAA,EACjC;AAAA,EAEA,qBAAqB,IAAS;AAC5B,SAAK,8BAA8B;AAAA,EACrC;AAAA,EAEA,UAAU;AAEJ,QAAA,KAAK,aAAa,KAAK;AAAiB;AAE5C,UAAM,QAAQ,KAAK;AAEf,QAAA,MAAM,SAAS,GAAG;AACpB,WAAK,YAAY;AAEV,aAAA,MAAM,SAAS,GAAG;AACjB,cAAA,QAAQ,MAAM;AAEpB,cAAM,YAAY,KAAK,cAAc,MAAM,SAAS;AAEpD,YAAI,CAAC;AAAW;AAEhB,YAAI,UAAU,WAAW;AAAG;AAE5B,cAAM,uBAA8B,CAAA;AAEpC,mBAAW,YAAY,WAAW;AAC5B,cAAA,EAAE,KAAS,IAAA;AAEf,cAAI,KAAK,kBAAkB,KAAK,eAAe,YAAY;AACzD,kBAAM,UAAU;AAAA,cACd,UAAU;AAAA,cACV,MAAM,MAAM;AACV,oBAAI,QAAQ,QAAQ;AACZ,wBAAA,IAAI,MAAM,wCAAwC;AAAA,gBAAA,OACnD;AAEL,uBAAK,YAAY;AACN,6BAAA,MAAM,KAAK,QAAA,CAAS;AAAA,gBACjC;AAEA,wBAAQ,SAAS;AACjB,qBAAK,UAAU,OAAO,KAAK,UAAU,QAAQ,OAAO,GAAG,CAAC;AAAA,cAC1D;AAAA,cACA,QAAQ;AAAA,YAAA;AAGL,iBAAA,UAAU,KAAK,OAAO;AAG3B,gBAAI,MAAM,MAAM;AACP,qBAAA,KAAK,OAAO,OAAO;AAAA,YAAA,OACrB;AACL,qBAAO,CAAC,OAAO;AAAA,YACjB;AAAA,UACF;AACA,mBAAS,SAAS,MAAM,SAAS,SAAS,IAAI;AAE9C,cAAI,SAAS,MAAM;AACjB,iCAAqB,KAAK;AAAA,cACxB,WAAW,MAAM;AAAA,cACjB,eAAe;AAAA,YAAA,CAChB;AAAA,UACH;AAAA,QACF;AAEO,eAAA,qBAAqB,SAAS,GAAG;AAChC,gBAAA,UAAe,qBAAqB;AACrC,eAAA,oBAAoB,QAAQ,WAAW,QAAQ,cAAc,UAAU,QAAQ,cAAc,OAAO;AAAA,QAC3G;AAAA,MACF;AAAA,IAAA,OACK;AACL,UAAI,KAAK,UAAU,WAAW,KAAK,KAAK,yBAAyB;AAC/D,aAAK,wBAAwB;AAAA,MAC/B;AACA,UAAI,KAAK,UAAU,WAAW,KAAK,KAAK,6BAA6B;AACnE,aAAK,4BAA4B;AACjC,eAAO,KAAK;AAAA,MACd;AAAA,IACF;AAEA,QAAI,KAAK,kBAAkB,CAAC,KAAK,eAAe,YAAY;AAC1D,WAAK,YAAY;AAAA,IACnB;AAAA,EACF;AAAA,EAEA,QAAQ;AACN,SAAK,cAAc;EACrB;AACF;"}