Files
30-seconds-of-code/node_modules/relay-runtime/lib/createRelayNetworkLogger.js
2019-08-20 15:52:05 +02:00

104 lines
3.3 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
'use strict';
function createRelayNetworkLogger(LoggerTransaction) {
return {
wrapFetch: function wrapFetch(fetch, graphiQLPrinter) {
return function (request, variables, cacheConfig, uploadables) {
var wrapped = wrapExecute(require("./ConvertToExecuteFunction").convertFetch(fetch), LoggerTransaction, graphiQLPrinter);
return wrapped(request, variables, cacheConfig, uploadables);
};
},
wrapSubscribe: function wrapSubscribe(subscribe, graphiQLPrinter) {
return function (request, variables, cacheConfig) {
var wrapped = wrapExecute(require("./ConvertToExecuteFunction").convertSubscribe(subscribe), LoggerTransaction, graphiQLPrinter);
return wrapped(request, variables, cacheConfig);
};
}
};
}
function wrapExecute(execute, LoggerTransaction, graphiQLPrinter) {
return function (request, variables, cacheConfig, uploadables) {
var transaction;
function addLogs(error, response, status) {
// Only print GraphiQL links for non-batch requests.
if (graphiQLPrinter) {
transaction.addLog('GraphiQL', graphiQLPrinter(request, variables));
}
transaction.addLog('Cache Config', cacheConfig);
transaction.addLog('Variables', JSON.stringify(variables, null, 2));
if (status) {
transaction.addLog('Status', status);
}
if (error) {
transaction.addLog('Error', error);
}
if (response) {
transaction.addLog('Response', response);
}
}
function flushLogs(error, response, status) {
addLogs(error, response, status);
transaction.flushLogs(error, response, status);
}
function commitLogs(error, response, status) {
addLogs(error, response, status);
transaction.commitLogs(error, response, status);
}
var observable = execute(request, variables, cacheConfig, uploadables);
var isSubscription = request.operationKind === 'subscription';
return observable["do"]({
start: function start() {
transaction = new LoggerTransaction({
request: request,
variables: variables,
cacheConfig: cacheConfig,
uploadables: uploadables
});
console.time && console.time(transaction.getIdentifier());
if (isSubscription) {
flushLogs(null, null, 'subscription is sent.');
}
},
next: function next(payload) {
flushLogs(null, payload);
console.time && console.time(transaction.getIdentifier());
},
error: function error(_error) {
return commitLogs(_error, null, null);
},
complete: function complete() {
if (isSubscription) {
commitLogs(null, null, 'subscription was closed.');
} else {
// the last `next` already flushed the logs, just mark as committed
// without spamming the logs
transaction.markCommitted();
}
},
unsubscribe: function unsubscribe() {
return commitLogs(null, null, isSubscription ? 'subscription is unsubscribed.' : 'execution is unsubscribed.');
}
});
};
}
module.exports = createRelayNetworkLogger;