@opentelemetry/instrumentation-connect
Version:
OpenTelemetry instrumentation for `connect` http middleware framework
53 lines • 2.26 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateRoute = exports.replaceCurrentStackRoute = exports.addNewStackLayer = void 0;
/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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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