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| import { inBrowser } from './env'
|
| export let mark
| export let measure
|
| if (process.env.NODE_ENV !== 'production') {
| const perf = inBrowser && window.performance
| /* istanbul ignore if */
| if (
| perf &&
| perf.mark &&
| perf.measure &&
| perf.clearMarks &&
| perf.clearMeasures
| ) {
| mark = tag => perf.mark(tag)
| measure = (name, startTag, endTag) => {
| perf.measure(name, startTag, endTag)
| perf.clearMarks(startTag)
| perf.clearMarks(endTag)
| // perf.clearMeasures(name)
| }
| }
| }
|
|
