This repository has been archived on 2024-09-11. You can view files and clone it, but cannot push or open issues or pull requests.
svrjs-blog-newsletter/backend/node_modules/mongodb/lib/mongo_logger.js

114 lines
5 KiB
JavaScript
Raw Permalink Normal View History

2024-05-26 22:54:55 +02:00
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MongoLogger = exports.MongoLoggableComponent = exports.SeverityLevel = void 0;
const stream_1 = require("stream");
const utils_1 = require("./utils");
/** @internal */
exports.SeverityLevel = Object.freeze({
EMERGENCY: 'emergency',
ALERT: 'alert',
CRITICAL: 'critical',
ERROR: 'error',
WARNING: 'warn',
NOTICE: 'notice',
INFORMATIONAL: 'info',
DEBUG: 'debug',
TRACE: 'trace',
OFF: 'off'
});
/** @internal */
exports.MongoLoggableComponent = Object.freeze({
COMMAND: 'command',
TOPOLOGY: 'topology',
SERVER_SELECTION: 'serverSelection',
CONNECTION: 'connection'
});
/**
* Parses a string as one of SeverityLevel
*
* @param s - the value to be parsed
* @returns one of SeverityLevel if value can be parsed as such, otherwise null
*/
function parseSeverityFromString(s) {
const validSeverities = Object.values(exports.SeverityLevel);
const lowerSeverity = s === null || s === void 0 ? void 0 : s.toLowerCase();
if (lowerSeverity != null && validSeverities.includes(lowerSeverity)) {
return lowerSeverity;
}
return null;
}
/**
* resolves the MONGODB_LOG_PATH and mongodbLogPath options from the environment and the
* mongo client options respectively.
*
* @returns the Writable stream to write logs to
*/
function resolveLogPath({ MONGODB_LOG_PATH }, { mongodbLogPath }) {
const isValidLogDestinationString = (destination) => ['stdout', 'stderr'].includes(destination.toLowerCase());
if (typeof mongodbLogPath === 'string' && isValidLogDestinationString(mongodbLogPath)) {
return mongodbLogPath.toLowerCase() === 'stderr' ? process.stderr : process.stdout;
}
// TODO(NODE-4813): check for minimal interface instead of instanceof Writable
if (typeof mongodbLogPath === 'object' && mongodbLogPath instanceof stream_1.Writable) {
return mongodbLogPath;
}
if (typeof MONGODB_LOG_PATH === 'string' && isValidLogDestinationString(MONGODB_LOG_PATH)) {
return MONGODB_LOG_PATH.toLowerCase() === 'stderr' ? process.stderr : process.stdout;
}
return process.stderr;
}
/** @internal */
class MongoLogger {
constructor(options) {
this.componentSeverities = options.componentSeverities;
this.maxDocumentLength = options.maxDocumentLength;
this.logDestination = options.logDestination;
}
/* eslint-disable @typescript-eslint/no-unused-vars */
/* eslint-disable @typescript-eslint/no-empty-function */
emergency(component, message) { }
alert(component, message) { }
critical(component, message) { }
error(component, message) { }
warn(component, message) { }
notice(component, message) { }
info(component, message) { }
debug(component, message) { }
trace(component, message) { }
/**
* Merges options set through environment variables and the MongoClient, preferring environment
* variables when both are set, and substituting defaults for values not set. Options set in
* constructor take precedence over both environment variables and MongoClient options.
*
* @remarks
* When parsing component severity levels, invalid values are treated as unset and replaced with
* the default severity.
*
* @param envOptions - options set for the logger from the environment
* @param clientOptions - options set for the logger in the MongoClient options
* @returns a MongoLoggerOptions object to be used when instantiating a new MongoLogger
*/
static resolveOptions(envOptions, clientOptions) {
var _a, _b, _c, _d, _e, _f;
// client options take precedence over env options
const combinedOptions = {
...envOptions,
...clientOptions,
mongodbLogPath: resolveLogPath(envOptions, clientOptions)
};
const defaultSeverity = (_a = parseSeverityFromString(combinedOptions.MONGODB_LOG_ALL)) !== null && _a !== void 0 ? _a : exports.SeverityLevel.OFF;
return {
componentSeverities: {
command: (_b = parseSeverityFromString(combinedOptions.MONGODB_LOG_COMMAND)) !== null && _b !== void 0 ? _b : defaultSeverity,
topology: (_c = parseSeverityFromString(combinedOptions.MONGODB_LOG_TOPOLOGY)) !== null && _c !== void 0 ? _c : defaultSeverity,
serverSelection: (_d = parseSeverityFromString(combinedOptions.MONGODB_LOG_SERVER_SELECTION)) !== null && _d !== void 0 ? _d : defaultSeverity,
connection: (_e = parseSeverityFromString(combinedOptions.MONGODB_LOG_CONNECTION)) !== null && _e !== void 0 ? _e : defaultSeverity,
default: defaultSeverity
},
maxDocumentLength: (_f = (0, utils_1.parseUnsignedInteger)(combinedOptions.MONGODB_LOG_MAX_DOCUMENT_LENGTH)) !== null && _f !== void 0 ? _f : 1000,
logDestination: combinedOptions.mongodbLogPath
};
}
}
exports.MongoLogger = MongoLogger;
//# sourceMappingURL=mongo_logger.js.map