chartjs all tooltips helper

chartjs-showAllTooltips-helper.js

Chart.pluginService.register({
          beforeRender: function (chart) {
            if (chart.config.options.showAllTooltips) {
                // create an array of tooltips
                // we can't use the chart tooltip because there is only one tooltip per chart
                chart.pluginTooltips = [];
                chart.config.data.datasets.forEach(function (dataset, i) {
                    chart.getDatasetMeta(i).data.forEach(function (sector, j) {
                        chart.pluginTooltips.push(new Chart.Tooltip({
                            _chart: chart.chart,
                            _chartInstance: chart,
                            _data: chart.data,
                            _options: chart.options.tooltips,
                            _active: [sector]
                        }, chart));
                    });
                });

                // turn off normal tooltips
                chart.options.tooltips.enabled = false;
            }
        },
          afterDraw: function (chart, easing) {
            if (chart.config.options.showAllTooltips) {
                // we don't want the permanent tooltips to animate, so don't do anything till the animation runs atleast once
                if (!chart.allTooltipsOnce) {
                    if (easing !== 1)
                        return;
                    chart.allTooltipsOnce = true;
                }

                // turn on tooltips
                chart.options.tooltips.enabled = true;
                Chart.helpers.each(chart.pluginTooltips, function (tooltip) {
                    tooltip.initialize();
                    tooltip.update();
                    tooltip.pivot();
                    tooltip.transition(easing).draw();
                });
                chart.options.tooltips.enabled = false;
            }
          }
        });

Hi, can you please license this code of yours?
Thanks