@ibm-cloud/cloudant
Version:
IBM Cloudant Node.js SDK
105 lines • 4.41 kB
JavaScript
;
/**
* © Copyright IBM Corporation 2024. All Rights Reserved.
*
* 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
*
* http://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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.errorResponseInterceptor = errorResponseInterceptor;
exports.errorResponseStreamConverter = errorResponseStreamConverter;
const { pipeline } = require('node:stream/promises');
const { Writable, Readable } = require('node:stream');
function errorResponseInterceptor(axiosError) {
if (axiosError.response && // must have a response
axiosError.response.status >= 400 &&
// must have data:
axiosError.response.data &&
// must be a JSON request
// which also implies Content-Type starts with application/json:
(axiosError.config.responseType === 'json' ||
// or a stream request with application/json
// that has had the response converted to an object
(axiosError.config.responseType === 'stream' &&
axiosError.response.headers['content-type'].startsWith('application/json') &&
!(axiosError.response.data instanceof Readable))) &&
// must be a valid JSON:
// which also implies it is not a HEAD method:
axiosError.response.data instanceof Object &&
!axiosError.response.data.trace) {
// Map the error/reason if available
// and not already have errors array:
if (!axiosError.response.data.errors && axiosError.response.data.error) {
const error = {
code: axiosError.response.data.error,
message: axiosError.response.data.error,
};
if (axiosError.response.data.reason) {
error.message += `: ${axiosError.response.data.reason}`;
}
// Add the new error as part of an errors array.
axiosError.response.data.errors = [error];
}
if (axiosError.response.data.errors) {
// Map x-request-id or x-couch-request-id if available to the trace field
const trace = axiosError.response.headers['x-request-id'] ||
axiosError.response.headers['x-couch-request-id'];
if (trace) {
// Trace should be omitted if there is no value
axiosError.response.data.trace = trace;
}
}
}
return Promise.reject(axiosError);
}
/**
* Axios interceptor to convert errors for streaming cases into
* JSON objects.
*
* This means users can handle rejections for AsStream cases in
* the same way as normal error rejections and we can apply the
* errorResponseInterceptor to augment the errors.
*
* @param axiosError
* @returns rejected promise with the stream body transoformed
*/
async function errorResponseStreamConverter(axiosError) {
if (axiosError.response && // must have a response
axiosError.response.status >= 400 &&
// must have data:
axiosError.response.data &&
// Must be a JSON response
axiosError.response.headers['content-type']?.startsWith('application/json') &&
// this is for streaming requests
axiosError.config.responseType === 'stream' &&
// must be a stream
axiosError.response.data instanceof Readable) {
let data = '';
await pipeline(axiosError.response.data, new Writable({
write: (c, e, cb) => {
data += c;
cb();
},
}));
try {
axiosError.response.data = JSON.parse(data);
}
catch (e) {
// JSON parse failure, just use the original
// error stream as a string, matching axios behavior
// for broken JSON
axiosError.response.data = data;
}
}
return Promise.reject(axiosError);
}
//# sourceMappingURL=errorResponseInterceptor.js.map