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Refactor performance measurement (#10410)

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GitOrigin-RevId: c63b2353aac04c124f4aa499910a823f3796982c
This commit is contained in:
Alf Eaton 2022-11-15 13:26:41 +00:00 • committed by Copybot
parent f8fc0f5c73
commit 98e168a0af
1 changed files with 18 additions and 17 deletions
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35
services/web/frontend/js/infrastructure/cm6-performance.ts
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@ -63,38 +63,37 @@ function isKeypress(userEventType: string | undefined) {
)
}
export function timedDispatch() {
export function dispatchTimer(): {
start: (tr: Transaction) => void
end: (tr: Transaction, view: EditorView) => void
} {
if (!performanceOptionsSupport) {
return { start: () => {}, end: () => {} }
}
let userEventsSinceDomUpdateCount = 0
let keypressesSinceDomUpdateCount = 0
const unpaintedKeypressStartTimes: number[] = []
return (
view: EditorView,
tr: Transaction,
dispatchFn: (tr: Transaction) => void
) => {
if (!performanceOptionsSupport) {
dispatchFn(tr)
return
}
performance.mark(TIMER_START_NAME)
const start = (tr: Transaction) => {
const userEventType = tr.annotation(Transaction.userEvent)
const eventIsKeypress = isKeypress(userEventType)
if (eventIsKeypress) {
if (isKeypress(userEventType)) {
unpaintedKeypressStartTimes.push(performance.now())
}
dispatchFn(tr)
performance.mark(TIMER_START_NAME)
}
const end = (tr: Transaction, view: EditorView) => {
performance.mark(TIMER_END_NAME)
const userEventType = tr.annotation(Transaction.userEvent)
if (isInputOrDelete(userEventType)) {
++userEventsSinceDomUpdateCount
if (eventIsKeypress) {
if (isKeypress(userEventType)) {
++keypressesSinceDomUpdateCount
}
@ -130,6 +129,8 @@ export function timedDispatch() {
latestDocLength = tr.state.doc.length
}
return { start, end }
}
function calculateMean(durations: number[]) {