@datadog/mobile-react-native
Version:
A client-side React Native module to interact with Datadog
42 lines (39 loc) • 1.43 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.createTimings = createTimings;
var _reactNative = require("react-native");
/*
* Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
* This product includes software developed at Datadog (https://www.datadoghq.com/).
* Copyright 2016-Present Datadog, Inc.
*/
function createTimings(startTime, responseStartTime, responseEndTime) {
const firstByte = formatTiming(startTime, startTime, responseStartTime);
const download = formatTiming(startTime, responseStartTime, responseEndTime);
// needed for iOS, simply total duration from start to end
const fetch = formatTiming(startTime, startTime, responseEndTime);
return {
firstByte,
download,
fetch
};
}
/**
* @param origin Start time (absolute) of the request
* @param start Start time (absolute) of the timing
* @param end End time (absolute) of the timing
*/
function formatTiming(origin, start, end) {
return {
duration: timeToNanos(end - start),
// if it is Android, startTime should be relative to the origin,
// if it is iOS - absolute (unix timestamp)
startTime: _reactNative.Platform.OS === 'ios' ? timeToNanos(start) : timeToNanos(start - origin)
};
}
function timeToNanos(durationMs) {
return +(durationMs * 1e6).toFixed(0);
}
//# sourceMappingURL=resourceTiming.js.map