How to use the ember-window-mock.performance function in ember-window-mock
To help you get started, we’ve selected a few ember-window-mock examples, based on popular ways it is used in public projects.
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gokatz / ember-device / addon / lib / memory.js View on Github 
export default function getMemoryStatus() {
let unsupported;
if (typeof window.navigator !== 'undefined' && 'deviceMemory' in window.navigator) {
unsupported = false;
} else {
unsupported = true;
}
let initialMemoryStatus;
if (!unsupported) {
const performanceMemory = 'memory' in window.performance ? window.performance.memory : null;
initialMemoryStatus = {
deviceMemory: window.navigator.deviceMemory,
totalJSHeapSize: performanceMemory ? performanceMemory.totalJSHeapSize : null,
usedJSHeapSize: performanceMemory ? performanceMemory.usedJSHeapSize : null,
jsHeapSizeLimit: performanceMemory ? performanceMemory.jsHeapSizeLimit : null
};
} else {
initialMemoryStatus = { unsupported };
}
return { ...initialMemoryStatus };
}ember-window-mock
Wraps the global window object with a proxy that can be mocked in tests
