LaleWolf · January 30, 2020 12:54
diff --git a/jsdomOnlyFabricMemoryLeak.js b/jsdomOnlyFabricMemoryLeak.js
 const jsdom = require("jsdom");
 const { JSDOM } = jsdom;

 const dom = new JSDOM(`<body></body>`);
 const document = dom.window.document;

 const runnerLoopCount = 10;
 const canvasLoopCount = 1000;


 const newJSDomOnlyFabricCanvas = () => {
    for (let i = 0; i < canvasLoopCount; i++) {

        const docCanvas = document.createElement('canvas');
        const ctx = docCanvas.getContext('2d');

        ctx.rect(100, 100, 100, 50);
    }
 };


 const logMemoryUsage = () => {
    let usage = process.memoryUsage()
    console.log("{ rss: %d,\theapTotal: %d,\theapUsed: %d,\texternal: %d }", usage.rss, usage.heapTotal, usage.heapUsed, usage.external);
 };


 const runner = () => {

    logMemoryUsage();

    for (let i = 0; i < runnerLoopCount; i++) {

        newJSDomOnlyFabricCanvas();

        if (global.gc) {
            global.gc();
        }

        logMemoryUsage();
    }
 };

 //start memory leak loop
 runner();
	const jsdom = require("jsdom");
	const { JSDOM } = jsdom;

	const dom = new JSDOM(`<body></body>`);
	const document = dom.window.document;

	const runnerLoopCount = 10;
	const canvasLoopCount = 1000;


	const newJSDomOnlyFabricCanvas = () => {
	for (let i = 0; i < canvasLoopCount; i++) {

	const docCanvas = document.createElement('canvas');
	const ctx = docCanvas.getContext('2d');

	ctx.rect(100, 100, 100, 50);
	}
	};


	const logMemoryUsage = () => {
	let usage = process.memoryUsage()
	console.log("{ rss: %d,\theapTotal: %d,\theapUsed: %d,\texternal: %d }", usage.rss, usage.heapTotal, usage.heapUsed, usage.external);
	};


	const runner = () => {

	logMemoryUsage();

	for (let i = 0; i < runnerLoopCount; i++) {

	newJSDomOnlyFabricCanvas();

	if (global.gc) {
	global.gc();
	}

	logMemoryUsage();
	}
	};

	//start memory leak loop
	runner();