modern_spreadsheet/README.md

Modern Spreadsheet

• High performance spreadsheet based on CanvasAPI.
• TypeScript supported

Basic usage

import Spreadsheet from "modern_spreadsheet";
import "modern_spreadsheet/style.css"; // <= this is required

const target = document.getElementById("spreadsheet");
const sheet = new Spreadsheet(target);
//...

Save and load data

function saveData() {
	const serialized = sheet.serializeData();
	localStorage.setItem("sheet_data", JSON.stringify(serialized));
}

function loadData() {
	const data = localStorage.getItem("sheet_data");
	const json = JSON.parse(data);
	if (!json) return;
	sheet.loadData(json);
}

Roadmap

• Rows number and columns heading render
• Custom event functions (ex.: onSelectionChange, onCellEdit...). Full list of supported events will available on this page
• Rows and columns resizing
• Toolbar
• Context menu
• Formulas support
• Selected cell depends cells highlight
• Async formulas support
• Mutlisheets (?)
• Copy & Paste support