@opentelemetry/opentelemetry-browser-detector
Version:
OpenTelemetry Resource Detector for Browser
57 lines • 2.27 kB
JavaScript
;
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.browserDetector = void 0;
const api_1 = require("@opentelemetry/api");
const resources_1 = require("@opentelemetry/resources");
const types_1 = require("./types");
/**
* BrowserDetector will be used to detect the resources related to browser.
*/
class BrowserDetector {
detect(config) {
const isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';
if (!isBrowser) {
return (0, resources_1.emptyResource)();
}
const browserResource = getBrowserAttributes();
return this._getResourceAttributes(browserResource, config);
}
/**
* Validates browser resource attribute map from browser variables
*
* @param browserResource The un-sanitized resource attributes from browser as key/value pairs.
* @param config: Config
* @returns The sanitized resource attributes.
*/
_getResourceAttributes(browserResource, _config) {
if (!browserResource[types_1.BROWSER_ATTRIBUTES.USER_AGENT] &&
!browserResource[types_1.BROWSER_ATTRIBUTES.PLATFORM]) {
api_1.diag.debug('BrowserDetector failed: Unable to find required browser resources. ');
return (0, resources_1.emptyResource)();
}
else {
return { attributes: browserResource };
}
}
}
// Add Browser related attributes to resources
function getBrowserAttributes() {
const browserAttribs = {};
const userAgentData = navigator.userAgentData;
if (userAgentData) {
browserAttribs[types_1.BROWSER_ATTRIBUTES.PLATFORM] = userAgentData.platform;
browserAttribs[types_1.BROWSER_ATTRIBUTES.BRANDS] = userAgentData.brands.map(b => `${b.brand} ${b.version}`);
browserAttribs[types_1.BROWSER_ATTRIBUTES.MOBILE] = userAgentData.mobile;
}
else {
browserAttribs[types_1.BROWSER_ATTRIBUTES.USER_AGENT] = navigator.userAgent;
}
browserAttribs[types_1.BROWSER_ATTRIBUTES.LANGUAGE] = navigator.language;
return browserAttribs;
}
exports.browserDetector = new BrowserDetector();
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