sentry/static/app/stores/externalIssueStore.tsx

import Reflux from 'reflux';

import {PlatformExternalIssue} from 'app/types';

const ExternalIssueStore = Reflux.createStore({
  init() {
    this.items = [];
  },

  getInitialState(): PlatformExternalIssue[] {
    return this.items;
  },

  load(items: PlatformExternalIssue[]) {
    this.items = items;
    this.trigger(items);
  },

  get(id: string) {
    return this.items.find((item: PlatformExternalIssue) => item.id === id);
  },

  getAll() {
    return this.items;
  },

  add(issue: PlatformExternalIssue) {
    if (!this.items.some(i => i.id === issue.id)) {
      this.items = this.items.concat([issue]);
      this.trigger(this.items);
    }
  },
});

type ExternalIssueStoreType = Reflux.Store & {
  load: (items: PlatformExternalIssue[]) => void;
  add: (issue: PlatformExternalIssue) => void;
  getInitialState: () => PlatformExternalIssue[];
};

export default ExternalIssueStore as ExternalIssueStoreType;