web_src/js/features/heatmap.js


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import Vue from 'vue';

import ActivityHeatmap from '../components/ActivityHeatmap.vue';

export default async function initHeatmap() {
  const el = document.getElementById('user-heatmap');
  if (!el) return;

  try {
    const values = JSON.parse(el.dataset.heatmapData).map(({contributions, timestamp}) => {
      return {date: new Date(timestamp * 1000), count: contributions};
    });

    const View = Vue.extend({
      render: (createElement) => createElement(ActivityHeatmap, {props: {values}}),
    });

    new View().$mount(el);
  } catch (err) {
    console.error(err);
    el.textContent = 'Heatmap failed to load';
  }
}