@sap-cloud-sdk/util/dist/logger/format/local.js

SAP Cloud SDK for JavaScript general utilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.local = void 0;
exports.getMessageOrStack = getMessageOrStack;
const node_util_1 = require("node:util");
const winston_1 = require("winston");
const { combine, timestamp, cli, printf, errors } = winston_1.format;
/**
 * Format for local logging.
 */
exports.local = combine(errors({ stack: true }), timestamp(), (0, winston_1.format)(localTransformer)(), cli(), printf((info) => {
    // Ensure custom_fields is an object and has messageContext
    const messageContext = info.custom_fields &&
        typeof info.custom_fields === 'object' &&
        'messageContext' in info.custom_fields
        ? `${(0, node_util_1.styleText)('blue', `(${info.custom_fields.messageContext})`)}: `
        : '';
    // Type guard to ensure message is a string
    const message = typeof info.message === 'string' ? info.message : '';
    const trimmedMessage = message.replace(/^\s*/, '');
    const paddingLength = message.length - trimmedMessage.length + messageContext.length;
    if (info.error) {
        info.level = (0, node_util_1.styleText)('inverse', info.level);
    }
    return `${(0, node_util_1.styleText)('gray', `[${info.timestamp}]`)} ${info.level} ${messageContext.padStart(paddingLength, ' ')}${trimmedMessage}`;
}));
/**
 * Gets the stack of the given error if available, otherwise the message.
 * @param info - Object to be transformed.
 * @returns The message string to be used.
 * @internal
 */
function getMessageOrStack(info) {
    const isString = (value) => typeof value === 'string';
    // Check if it's an error with a stack trace
    const hasStackTrace = info.stack && info.level === 'error';
    if (hasStackTrace && isString(info.stack)) {
        return info.stack;
    }
    if (isString(info.message)) {
        return info.message;
    }
    return '';
}
function localTransformer(info) {
    return {
        ...info,
        level: info.level.toUpperCase(),
        message: getMessageOrStack(info)
    };
}
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