@opentelemetry/instrumentation-connect
Version:
OpenTelemetry instrumentation for `connect` http middleware framework
42 lines • 1.74 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateRoute = exports.replaceCurrentStackRoute = exports.addNewStackLayer = void 0;
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
const api_1 = require("@opentelemetry/api");
const internal_types_1 = require("./internal-types");
const addNewStackLayer = (request) => {
if (Array.isArray(request[internal_types_1._LAYERS_STORE_PROPERTY]) === false) {
Object.defineProperty(request, internal_types_1._LAYERS_STORE_PROPERTY, {
enumerable: false,
value: [],
});
}
request[internal_types_1._LAYERS_STORE_PROPERTY].push('/');
const stackLength = request[internal_types_1._LAYERS_STORE_PROPERTY].length;
return () => {
if (stackLength === request[internal_types_1._LAYERS_STORE_PROPERTY].length) {
request[internal_types_1._LAYERS_STORE_PROPERTY].pop();
}
else {
api_1.diag.warn('Connect: Trying to pop the stack multiple time');
}
};
};
exports.addNewStackLayer = addNewStackLayer;
const replaceCurrentStackRoute = (request, newRoute) => {
if (newRoute) {
request[internal_types_1._LAYERS_STORE_PROPERTY].splice(-1, 1, newRoute);
}
};
exports.replaceCurrentStackRoute = replaceCurrentStackRoute;
// generate route from existing stack on request object.
// splash between stack layer will be deduped
// ["/first/", "/second", "/third/"] => /first/second/third/
const generateRoute = (request) => {
return request[internal_types_1._LAYERS_STORE_PROPERTY].reduce((acc, sub) => acc.replace(/\/+$/, '') + sub);
};
exports.generateRoute = generateRoute;
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