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node_modules/posthog-node/dist/extensions/express.js
5.83 KB · Nov 7, 2026 · 13:16 UTC
"use strict";
var __webpack_require__ = {};
(()=>{
__webpack_require__.n = (module)=>{
var getter = module && module.__esModule ? ()=>module['default'] : ()=>module;
__webpack_require__.d(getter, {
a: getter
});
return getter;
};
})();
(()=>{
__webpack_require__.d = (exports1, getters, values)=>{
var define = (defs, kind)=>{
for(var key in defs)if (__webpack_require__.o(defs, key) && !__webpack_require__.o(exports1, key)) Object.defineProperty(exports1, key, {
enumerable: true,
[kind]: defs[key]
});
};
define(getters, "get");
define(values, "value");
};
})();
(()=>{
__webpack_require__.o = (obj, prop)=>Object.prototype.hasOwnProperty.call(obj, prop);
})();
(()=>{
__webpack_require__.r = (exports1)=>{
if ("u" > typeof Symbol && Symbol.toStringTag) Object.defineProperty(exports1, Symbol.toStringTag, {
value: 'Module'
});
Object.defineProperty(exports1, '__esModule', {
value: true
});
};
})();
var __webpack_exports__ = {};
__webpack_require__.r(__webpack_exports__);
__webpack_require__.d(__webpack_exports__, {
setupExpressErrorHandler: ()=>setupExpressErrorHandler,
setupExpressRequestContext: ()=>setupExpressRequestContext
});
const index_js_namespaceObject = require("./error-tracking/index.js");
var index_js_default = /*#__PURE__*/ __webpack_require__.n(index_js_namespaceObject);
const external_tracing_headers_js_namespaceObject = require("./tracing-headers.js");
const external_url_utils_js_namespaceObject = require("./url-utils.js");
function getClientIp(req) {
const forwarded = (0, external_tracing_headers_js_namespaceObject.getFirstHeaderValue)(req.headers['x-forwarded-for']);
if (forwarded) {
const ip = forwarded.split(',')[0].trim();
if (ip) return ip;
}
return req.socket?.remoteAddress;
}
function buildRequestContextData(posthog, req) {
const { sessionId, distinctId } = (0, external_tracing_headers_js_namespaceObject.getPostHogTracingHeaderValues)(req.headers);
const properties = {};
const disableCaptureUrlHashes = true === posthog.options.disable_capture_url_hashes;
(0, external_tracing_headers_js_namespaceObject.addProperty)(properties, '$current_url', (0, external_url_utils_js_namespaceObject.normalizeRequestCurrentUrl)(req.originalUrl || req.url, disableCaptureUrlHashes));
(0, external_tracing_headers_js_namespaceObject.addProperty)(properties, '$request_method', req.method);
(0, external_tracing_headers_js_namespaceObject.addProperty)(properties, '$request_path', (0, external_url_utils_js_namespaceObject.normalizeRequestPath)(req.path, disableCaptureUrlHashes));
(0, external_tracing_headers_js_namespaceObject.addProperty)(properties, '$user_agent', (0, external_tracing_headers_js_namespaceObject.getFirstHeaderValue)(req.headers['user-agent']));
(0, external_tracing_headers_js_namespaceObject.addProperty)(properties, '$ip', getClientIp(req));
return {
...void 0 !== sessionId ? {
sessionId
} : {},
...void 0 !== distinctId ? {
distinctId
} : {},
properties
};
}
function setupExpressRequestContext(_posthog, app) {
app.use(posthogRequestContext(_posthog));
}
function posthogRequestContext(posthog) {
return (req, _res, next)=>{
posthog.withContext(buildRequestContextData(posthog, req), ()=>next());
};
}
function setupExpressErrorHandler(_posthog, app) {
app.use(posthogErrorHandler(_posthog));
}
function getResponseStatusCode(res) {
if (res.headersSent || res.destroyed) return Promise.resolve(res.headersSent ? res.statusCode : void 0);
return new Promise((resolve)=>{
const complete = (statusCode)=>{
clearTimeout(timeout);
res.removeListener('finish', onComplete);
res.removeListener('close', onComplete);
resolve(statusCode);
};
const onComplete = ()=>complete(res.headersSent ? res.statusCode : void 0);
const timeout = setTimeout(()=>complete(void 0), 1000);
timeout.unref();
res.once('finish', onComplete);
res.once('close', onComplete);
});
}
function posthogErrorHandler(posthog) {
return (error, req, res, next)=>{
if (index_js_default().isPreviouslyCapturedError(error)) return void next(error);
const contextData = buildRequestContextData(posthog, req);
const syntheticException = new Error('Synthetic exception');
const hint = {
mechanism: {
type: 'middleware',
handled: false
},
syntheticException
};
const additionalProperties = {
...void 0 !== contextData.sessionId ? {
$session_id: contextData.sessionId
} : {},
...contextData.properties || {}
};
posthog.addPendingPromise(Promise.all([
index_js_default().buildEventMessage(posthog.getErrorPropertiesBuilder(), error, hint, contextData.distinctId, additionalProperties),
getResponseStatusCode(res)
]).then(([msg, statusCode])=>{
if (void 0 !== statusCode) msg.properties = {
...msg.properties,
$response_status_code: statusCode
};
return posthog._capturePreparedEvent(msg, false);
}));
next(error);
};
}
exports.setupExpressErrorHandler = __webpack_exports__.setupExpressErrorHandler;
exports.setupExpressRequestContext = __webpack_exports__.setupExpressRequestContext;
for(var __rspack_i in __webpack_exports__)if (-1 === [
"setupExpressErrorHandler",
"setupExpressRequestContext"
].indexOf(__rspack_i)) exports[__rspack_i] = __webpack_exports__[__rspack_i];
Object.defineProperty(exports, '__esModule', {
value: true
});
SHA-256: ee6b8ecf3f5e87a9bc83fb9e8e9d66d7d32304b6e97dcde4b7d2156d9451021e