index.js•1.9 kB
'use strict';
const loggerMiddleware = () => (next, context) => async (args) => {
try {
const response = await next(args);
const { clientName, commandName, logger, dynamoDbDocumentClientOptions = {} } = context;
const { overrideInputFilterSensitiveLog, overrideOutputFilterSensitiveLog } = dynamoDbDocumentClientOptions;
const inputFilterSensitiveLog = overrideInputFilterSensitiveLog ?? context.inputFilterSensitiveLog;
const outputFilterSensitiveLog = overrideOutputFilterSensitiveLog ?? context.outputFilterSensitiveLog;
const { $metadata, ...outputWithoutMetadata } = response.output;
logger?.info?.({
clientName,
commandName,
input: inputFilterSensitiveLog(args.input),
output: outputFilterSensitiveLog(outputWithoutMetadata),
metadata: $metadata,
});
return response;
}
catch (error) {
const { clientName, commandName, logger, dynamoDbDocumentClientOptions = {} } = context;
const { overrideInputFilterSensitiveLog } = dynamoDbDocumentClientOptions;
const inputFilterSensitiveLog = overrideInputFilterSensitiveLog ?? context.inputFilterSensitiveLog;
logger?.error?.({
clientName,
commandName,
input: inputFilterSensitiveLog(args.input),
error,
metadata: error.$metadata,
});
throw error;
}
};
const loggerMiddlewareOptions = {
name: "loggerMiddleware",
tags: ["LOGGER"],
step: "initialize",
override: true,
};
const getLoggerPlugin = (options) => ({
applyToStack: (clientStack) => {
clientStack.add(loggerMiddleware(), loggerMiddlewareOptions);
},
});
exports.getLoggerPlugin = getLoggerPlugin;
exports.loggerMiddleware = loggerMiddleware;
exports.loggerMiddlewareOptions = loggerMiddlewareOptions;