1.0

Author: vaifix

README.md

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 # Trilium-Heatmap
 Display a note modification heatmap in your Trilium note, just like the Github contributions heatmap!
+![](./Trilium-Heatmap.png)
+Powered by [d3.js](https://d3js.org/).
+
+## Features
+- Display a heatmap of note edits in Trilium.
+- View the number of edits per day for each note.
+- Click to navigate to the corresponding date.
+
+## Installation
+1. Download the zip file from the latest Releases.
+2. Right-click on the zip file in the Trilium note tree and select "Import", uncheck "Safe import", and click the "Import" button.
+3. If you don't have any note data for the first use, you need to restart Trilium or press F5 to refresh the frontend.
+4. Enjoy it!
+
+## Tip
+If you have a Trilium server, you can schedule it to run on the server periodically to reduce the number of database queries.
+
+You can download or copy the [runOnServer.js](./runOnServer.js) file into a note of type "JS backend" in Trilium and add the following tags: `#run=hourly #runAtHour=2 #runOnInstance=sync_server`, where you need to replace "sync_server" with your Trilium instance.

Trilium-Heatmap.png

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+module.exports = function () {
+    const datas = {};
+    let today = new Date();
+    let tomorrow = new Date(today);
+    tomorrow.setDate(today.getDate() + 1);
+    let startDate = new Date(today.getFullYear() - 1, today.getMonth(), today.getDate());
+
+    while (startDate <= tomorrow) {
+        let formattedDate = startDate.toISOString().slice(0,10);
+        const counts = api.sql.getColumn(`SELECT COUNT(*) AS data_count FROM notes WHERE utcDateModified LIKE '%${formattedDate}%'; `);
+
+        if (counts != 0){
+            datas[formattedDate] = counts[0];
+        }
+        startDate.setDate(startDate.getDate() + 1);
+    }
+
+    let str = JSON.stringify(datas);
+    let codeContent = "module.exports = function () {var arr=" + str + ";return arr}";
+    const note = api.getNoteWithLabel("heatmapDatas");
+    note.setContent(codeContent);
+}