4bd181d3cc
* fix: update to latest sapper fixes #416 * fix error and debug pages * requestIdleCallback makes column switching feel way nicer than double rAF * add export feature * add better csp info * workaround for sapper sub-page issue * clarify in readme about exporting * fix now config * switch from rIC to triple raf * style-loader is no longer used * update theming guide
20 lines
448 B
JavaScript
20 lines
448 B
JavaScript
const enabled = process.browser && performance.mark && (
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process.env.NODE_ENV !== 'production' ||
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(typeof location !== 'undefined' && location.search.includes('marks=true'))
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)
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const perf = process.browser && performance
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export function mark (name) {
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if (enabled) {
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perf.mark(`start ${name}`)
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}
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}
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export function stop (name) {
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if (enabled) {
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perf.mark(`end ${name}`)
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perf.measure(name, `start ${name}`, `end ${name}`)
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}
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}
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