open-nomad/ui/app/components/client-node-row.js

import { inject as service } from '@ember/service';
import Component from '@ember/component';
import { lazyClick } from '../helpers/lazy-click';
import { watchRelationship } from 'nomad-ui/utils/properties/watch';
import WithVisibilityDetection from 'nomad-ui/mixins/with-component-visibility-detection';
import { computed } from '@ember/object';

export default Component.extend(WithVisibilityDetection, {
  store: service(),

  tagName: 'tr',
  classNames: ['client-node-row', 'is-interactive'],

  node: null,

  onClick() {},

  click(event) {
    lazyClick([this.onClick, event]);
  },

  didReceiveAttrs() {
    // Reload the node in order to get detail information
    const node = this.node;
    if (node) {
      node.reload().then(() => {
        this.watch.perform(node, 100);
      });
    }
  },

  visibilityHandler() {
    if (document.hidden) {
      this.watch.cancelAll();
    } else {
      const node = this.node;
      if (node) {
        this.watch.perform(node, 100);
      }
    }
  },

  willDestroy() {
    this.watch.cancelAll();
    this._super(...arguments);
  },

  watch: watchRelationship('allocations'),

  compositeStatusClass: computed('node.compositeStatus', function() {
    let compositeStatus = this.get('node.compositeStatus');

    if (compositeStatus === 'draining') {
      return 'status-text is-info';
    } else if (compositeStatus === 'ineligible') {
      return 'status-text is-warning';
    } else if (compositeStatus === 'down') {
      return 'status-text is-danger';
    } else {
      return '';
    }
  }),
});