log-vault/dist/formats/formatMaskFields.js

A generator of Winston logger instance with pre-defined configurable transports and formats and extra functionality.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.formatMaskFields = void 0;
const winston_1 = require("winston");
const __1 = require("..");
const obj_walker_1 = require("obj-walker");
const defaults_1 = require("../defaults");
exports.formatMaskFields = (0, winston_1.format)((info, opts) => {
    const { message, extra, error } = info;
    const { fields, maskLabel } = opts;
    if (fields === null || fields === void 0 ? void 0 : fields.length) {
        if (message) {
            mask(message);
            info[__1.MESSAGE] = message;
        }
        if (extra)
            mask(extra);
        if (error)
            mask(error);
    }
    return info;
    function mask(data) {
        return (0, obj_walker_1.map)(data, ({ key, val }) => {
            if (key && fields.includes(key))
                val = maskLabel || defaults_1.defaultMaskFieldsOptions.maskLabel;
            if (typeof val === "string") {
                try {
                    const parsed = JSON.parse(val);
                    val = JSON.stringify(mask(parsed));
                    // eslint-disable-next-line no-empty
                }
                catch (error) { }
            }
            return val;
        }, { modifyInPlace: true });
    }
});