use custom perf mark impl

This commit is contained in:
Nolan Lawson 2018-02-10 11:36:31 -08:00
parent e6304cbbf3
commit e6bf344aec
3 changed files with 14 additions and 9 deletions

5
package-lock.json generated
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@ -4639,11 +4639,6 @@
"object-visit": "1.0.1"
}
},
"marky": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/marky/-/marky-1.2.0.tgz",
"integrity": "sha1-lhftZHu76o9F0ZUm2jPexwYG30I="
},
"math-expression-evaluator": {
"version": "1.2.17",
"resolved": "https://registry.npmjs.org/math-expression-evaluator/-/math-expression-evaluator-1.2.17.tgz",

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@ -36,7 +36,6 @@
"intl-relativeformat": "^2.1.0",
"lodash": "^4.17.4",
"lodash-webpack-plugin": "^0.11.4",
"marky": "^1.2.0",
"node-fetch": "^1.7.3",
"node-sass": "^4.7.2",
"npm-run-all": "^4.1.2",

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@ -1,12 +1,23 @@
import { mark as markyMark, stop as markyStop } from 'marky'
import noop from 'lodash/noop'
const enableMarks = process.browser &&
performance.mark &&
(process.env.NODE_ENV !== 'production' ||
new URLSearchParams(location.search).get('marks') === 'true')
const mark = enableMarks ? markyMark : noop
const stop = enableMarks ? markyStop : noop
const perf = process.browser && performance
function doMark(name) {
perf.mark(`start ${name}`)
}
function doStop(name) {
perf.mark(`end ${name}`)
perf.measure(name, `start ${name}`, `end ${name}`)
}
const mark = enableMarks ? doMark : noop
const stop = enableMarks ? doStop : noop
export {
mark,