视频演示：https://www.bilibili.com/video/BV1oq4y157qs?p=18

感谢@邦邦

/**
 * @title heatmap
 * @author 邦邦 
 * @note 可以直观呈现每日创建bullet数，点击对应方块可以查看当天创建的所有bullet
 */
pluginManager.register("heatmap", {
    heatmapData: {},
    chartData: [],
    async init() {
        const l = await plugin.db.node.toArray();
        const excepts = [NNodeView.mkid('untitled'),NNodeView.mkid('stars'),NNodeView.mkid("listall")];
        this.heatmapData = {};
        for (let i = 0; i < l.length; i++) {
            if(l[i].status==-1||l[i].status==-2||l[i].status==99||isEmpty(l[i].ori)||!isKy(l[i].ky)||excepts.includes(l[i].ky))continue;
            const tt = timekit.format("yyyy-MM-dd", l[i].created);
            if (this.heatmapData[tt]) {
                this.heatmapData[tt].push(l[i]);
            } else {
                this.heatmapData[tt] = [l[i]];
            }
        }
        this.chartData = [];
        for (const item in this.heatmapData) {
            this.chartData.push({
                date: new Date(item),
                count: this.heatmapData[item].length
            })
        }
    },
    async showHeatMap() {
        if (plugin.heatmap.dialog && plugin.heatmap.dialog.$view != null) return;
        jSmallMsg("正在加载数据", 1e3);
        await this.init();
        this.dialog = JDialog.create({
            title: "热力图",
            content: `<div id="chart1"></div>`,
            width: "800px",
            minimize: true,
            buttons: {
                "关闭": () => {
                    return true;
                }
            }
        })
        var chart1 = calendarHeatmap()
            .data(this.chartData)
            .selector('#chart1')
            .colorRange(['#ebedf0', '#216e39'])
            .tooltipEnabled(true)
            .onClick(function (data) {
                if (data.count == 0) {
                    jSmallMsg("没有找到当天数据", 1e3);
                    return;
                } else {
                    plugin.heatmap.showDay(data.date.format("yyyy-MM-dd"));
                }
            });
        chart1();
    },
    showDay(day) {
        var template = `<div id="day${day}" class="plugin-heatmap-preview">`;
        const data = this.heatmapData[day];
        if (!data) {
            jSmallMsg("没有找到当天数据", 1e3);
            return;
        }
        const tmpnode = NNodeView.temp();
        for (let i = 0; i < data.length; i++) {
            template += `<section nel="dom" class="nmarkdown mynode p" layout="default" mdblock="p">
    <div class="icon-circle mynode-btn" onclick="plugin.router.to('${data[i].ky}')" nel="btn"></div>
    <div nel="head" class="mynode-head">
        <div nel="text" class="mynode-text">${data[i].codeBlockText?"【代码块，请单击左侧圆点查看】":(data[i].text||tmpnode.parseOriText(data[i].ori))}</div>
        </section>`;
        }
        template += `</div>`;
        const dialog = JDialog.create({
            title: `${day}创建的节点(${data.length})`,
            content: template,
            minHeight: 200,
            minimize: true,
            maxHeight: $(window).height() - 100,
            height: $(window).height() * 0.618,
            width: 500,
            buttons: {
                "关闭": () => {
                    return true;
                }
            }
        });
        dialog.$view.resizable();
    },
    after_systabs_run() {
        plugin.systabs.add('heatmap', `<i title="打开热力图" class="icon-fire"></i> `,
            function () {
                plugin.heatmap.showHeatMap();
            });
    },
    run() {
        loadScript("https://cdn.bootcdn.net/ajax/libs/d3/3.5.9/d3.min.js");
        loadScript("https://cdn.bootcdn.net/ajax/libs/moment.js/2.29.1/moment.min.js");
        loadScript("https://cdn.jsdelivr.net/gh/sheenblue/calendar-heatmap/src/calendar-heatmap.js");
        loadCss("https://cdn.jsdelivr.net/gh/sheenblue/calendar-heatmap@0.4.5/src/calendar-heatmap.css");
        $(`<style>.plugin-heatmap-preview{font-weight:300;position:relative;width:100%;height:100%}.plugin-heatmap-preview .mynode{position:relative;padding-top:2px;padding-bottom:2px}.plugin-heatmap-preview .mynode>.mynode-btn{width:24px;height:24px}.plugin-heatmap-preview .mynode-btn{z-index:3;height:24px;line-height:24px;font-size:9px;width:24px;text-align:center;cursor:pointer;position:absolute;margin-top:1px;display:flex;justify-content:center;align-items:center;left:2px;border-radius:100px}.plugin-heatmap-preview .mynode-head{position:relative;display:flex;justify-content:space-between;align-items:baseline}.plugin-heatmap-preview .mynode .mynode-text{padding-left:31px;margin-left:0}.plugin-heatmap-preview .mynode .mynode-text{padding-left:31px;padding-right:60px;min-height:24px;font-weight:normal;border-bottom:1px solid transparent;margin-right:5px;cursor:default;font-size:15px;line-height:180%;word-break:break-all}.plugin-heatmap-preview .mynode-head .mynode-text{flex-grow:1;flex-shrink:1}.plugin-heatmap-preview .mynode>.mynode-btn:hover::before{box-shadow:0 0 0 5px rgb(3 169 244 / 20%);background-color:var(--node-btn-hover);transform:scale(1.5);transition:all .1s}.plugin-heatmap-preview .mynode>.mynode-btn::before{content:'';background-color:var(--node-btn-default);width:6px;height:6px;border-radius:10px}</style>`).appendTo(document.body)
    }
})