43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import { useEffect, useState } from "react";
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import { EVENT_NAMES, EVENT_PROPERTY_KEYS } from "../constants";
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import { AnalyticsEvent } from "../interface";
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import { ScreenState } from "../screen/BaseScreen";
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import { useAnalyticsEvent } from "./useAnalyticsEvent";
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const useScreenLoadTime = (
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screenName: string | null,
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moduleName: string | null,
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screenState: ScreenState | null | undefined,
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) => {
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const [startTime, setStartTime] = useState<number | null>(null);
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const { sendAsAnalyticsEvent } = useAnalyticsEvent();
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useEffect(() => {
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if (screenState === ScreenState.LOADING && startTime === null) {
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setStartTime(performance.now());
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} else if (
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(screenState === ScreenState.LOADED ||
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screenState === ScreenState.ERROR) &&
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startTime !== null
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) {
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const endTime = performance.now();
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const loadTime = Math.round(endTime - startTime);
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if (screenName && moduleName) {
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const analyticsEvent: AnalyticsEvent = {
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name: moduleName + "_" + EVENT_NAMES.SCREEN_LOAD_TIME,
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properties: {
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[EVENT_PROPERTY_KEYS.SCREEN_NAME]: screenName,
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[EVENT_PROPERTY_KEYS.LOAD_TIME]: loadTime.toString(),
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[EVENT_PROPERTY_KEYS.SCREEN_STATE]: ScreenState[screenState],
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},
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};
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sendAsAnalyticsEvent(analyticsEvent);
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}
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setStartTime(null);
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}
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}, [screenState]);
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};
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export default useScreenLoadTime;
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