hy-key-highlight-group.tsx

export interface KeyHighlightValue {
  heading: string;
  description: string;
}

import {Component, ComponentInterface, Watch, Prop, h} from '@stencil/core';
import {KeyHighlightVariants} from '../../utils/utils';

@Component({
  tag: 'hy-key-highlight-group',
  styleUrl: 'hy-key-highlight-group.scss',
  shadow: true
})
export class HyKeyHighlightGroup implements ComponentInterface {
  @Prop() variant: KeyHighlightVariants = KeyHighlightVariants.default;

  private _dataItems: KeyHighlightValue[];
  @Prop() dataItems: KeyHighlightValue[] | string;

  @Watch('dataItems')
  arrayDataWatcher(newValue: KeyHighlightValue[] | string) {
    if (typeof newValue === 'string') {
      this._dataItems = JSON.parse(newValue);
    } else {
      this._dataItems = newValue;
    }
  }
  componentWillLoad() {
    this.arrayDataWatcher(this.dataItems);
  }

  render() {
    const classAttributes = [this.variant, 'hy-key-highlight-group'].join(' ');

    const dataItemCount = this._dataItems.length;
    const classItem = dataItemCount % 4 == 0 ? 'box-4' : 'box';

    return (
      <div class={classAttributes}>
        {this._dataItems.map((x) => {
          return (
            <hy-key-highlight
              class={classItem}
              variant={this.variant}
              heading={x.heading}
              description={x.description}
            />
          );
        })}
      </div>
    );
  }
}