better-logging/dist/express/index.js

better-logging is a drop in replacement for the default logging methods of node.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.expressMiddleware = void 0;
const chalk_1 = __importDefault(require("chalk"));
const typescript_helpers_1 = require("@olian/typescript-helpers");
const configCache_1 = require("../lib/configCache");
const expressMiddleware = (hostObjOrLogFunction, config = {}) => {
    const logFunction = typeof hostObjOrLogFunction === 'function'
        ? hostObjOrLogFunction
        : hostObjOrLogFunction === null || hostObjOrLogFunction === void 0 ? void 0 : hostObjOrLogFunction.info;
    const betterLoggingConfig = configCache_1.ConfigCache.getConfig(logFunction);
    if (logFunction === undefined || betterLoggingConfig === null) {
        throw new Error('BetterLogging.expressMiddleware requires its first argument to be either an object decorated by betterLogging, or a logging function that belongs to an object decorated by betterLogging.');
    }
    const { color } = betterLoggingConfig;
    return (req, res, next) => {
        const method = {
            order: (0, typescript_helpers_1.useValueOrFallback)(config.method, 'order', 1),
            show: (0, typescript_helpers_1.useValueOrFallback)(config.method, 'show', true),
            color: (0, typescript_helpers_1.useValueOrFallback)(config.method, 'color', color.base),
            value: (0, typescript_helpers_1.useValueOrFallback)(req, 'method', ''),
        };
        const ip = {
            order: (0, typescript_helpers_1.useValueOrFallback)(config.ip, 'order', 2),
            show: (0, typescript_helpers_1.useValueOrFallback)(config.ip, 'show', true),
            color: (0, typescript_helpers_1.useValueOrFallback)(config.ip, 'color', color.base),
            value: (0, typescript_helpers_1.useValueOrFallback)(req, 'ip', ''),
        };
        const path = {
            order: (0, typescript_helpers_1.useValueOrFallback)(config.path, 'order', 3),
            show: (0, typescript_helpers_1.useValueOrFallback)(config.path, 'show', true),
            color: (0, typescript_helpers_1.useValueOrFallback)(config.path, 'color', chalk_1.default.reset),
            value: (0, typescript_helpers_1.useValueOrFallback)(req, 'path', ''),
        };
        const body = {
            order: (0, typescript_helpers_1.useValueOrFallback)(config.body, 'order', 4),
            show: (0, typescript_helpers_1.useValueOrFallback)(config.body, 'show', false),
            color: (0, typescript_helpers_1.useValueOrFallback)(config.body, 'color', chalk_1.default.reset),
            value: (0, typescript_helpers_1.useValueOrFallback)(req, 'body', ''),
        };
        const header = {
            order: (0, typescript_helpers_1.useValueOrFallback)(config.header, 'order', 5),
            show: (0, typescript_helpers_1.useValueOrFallback)(config.header, 'show', false),
            color: (0, typescript_helpers_1.useValueOrFallback)(config.header, 'color', chalk_1.default.reset),
            value: (0, typescript_helpers_1.useValueOrFallback)(req, 'headers', {}),
        };
        logFunction([method, ip, path, body, header]
            .filter((a) => a.show)
            .sort((a, b) => a.order - b.order)
            .map((obj) => obj.color(`${typeof obj.value === 'object'
            ? JSON.stringify(obj.value)
            : obj.value}`))
            .filter((v) => v.length > 0)
            .join(' '));
        next();
    };
};
exports.expressMiddleware = expressMiddleware;