3f64bf8c5b
This PR makes a small improvement to the speed of `getShapeAtPoint`. It removes `Editor.getCurrentPageRenderingShapesSorted`. ### Change Type - [x] `sdk` — Changes the tldraw SDK - [x] `improvement` — Improving existing features
50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
/** @internal */
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export function measureCbDuration(name: string, cb: () => any) {
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const now = performance.now()
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const result = cb()
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// eslint-disable-next-line no-console
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console.log(`${name} took`, performance.now() - now, 'ms')
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return result
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}
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/** @internal */
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export function measureDuration(_target: any, propertyKey: string, descriptor: PropertyDescriptor) {
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const originalMethod = descriptor.value
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descriptor.value = function (...args: any[]) {
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const start = performance.now()
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const result = originalMethod.apply(this, args)
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const end = performance.now()
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// eslint-disable-next-line no-console
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console.log(`${propertyKey} took ${end - start}ms `)
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return result
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}
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return descriptor
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}
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const averages = new Map<any, { total: number; count: number }>()
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/** @internal */
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export function measureAverageDuration(
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_target: any,
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propertyKey: string,
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descriptor: PropertyDescriptor
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) {
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const originalMethod = descriptor.value
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descriptor.value = function (...args: any[]) {
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const start = performance.now()
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const result = originalMethod.apply(this, args)
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const end = performance.now()
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const value = averages.get(descriptor.value)!
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const length = end - start
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const total = value.total + length
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const count = value.count + 1
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averages.set(descriptor.value, { total, count })
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// eslint-disable-next-line no-console
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console.log(
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`${propertyKey} took ${(end - start).toFixed(2)}ms | average ${(total / count).toFixed(2)}ms`
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)
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return result
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}
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averages.set(descriptor.value, { total: 0, count: 0 })
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return descriptor
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}
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