Created
January 30, 2020 12:43
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fabric-gist
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const { fabric } = require('fabric'); | |
fabric.Object.prototype.objectCaching = false; | |
const runnerLoopCount = 10; | |
const canvasLoopCount = 1000; | |
const newFabricCanvas = () => { | |
for (let i = 0; i < canvasLoopCount; i++) { | |
const canvas = new fabric.StaticCanvas("c", { enableRetinaScaling: false }); | |
const rect = new fabric.Rect({ | |
left: 100, | |
top: 100, | |
width: 100, | |
height: 50, | |
}); | |
canvas.add(rect); | |
canvas.clear(); | |
canvas.dispose(); | |
} | |
}; | |
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++) { | |
newFabricCanvas(); | |
if (global.gc) { | |
global.gc(); | |
} | |
logMemoryUsage(); | |
} | |
}; | |
//start memory leak loop | |
runner(); |
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