ng2-logger/backend-logging.js

isomorphic logger for browser/server in typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var level_1 = require("./level");
var helper_1 = require("./helper");
if (helper_1.isNode) {
    //#region @backend
    var chalk = require('chalk');
    var path = require('path');
    var fs = require('fs');
    var JSON5 = require('json5');
    var stringify = require('json-stringify-safe');
    //#endregion
}
function consoleLog(data, level) {
    //#region @backend
    if (level === level_1.Level.INFO)
        console.info(data);
    else if (level === level_1.Level.ERROR)
        console.error(data);
    else if (level === level_1.Level.WARN)
        console.warn(data);
    else
        console.log(data);
    //#endregion
}
exports.consoleLog = consoleLog;
function displayParams(params, level) {
    if (params === void 0) { params = []; }
    //#region @backend
    params.forEach(function (param) {
        if (typeof param === 'object') {
            handleObjectData(param, level);
        }
        else if (isObjectAfterStringify(param)) {
            handleObjectData(JSON5.parse(param), level);
        }
        else {
            consoleLog(param, level);
        }
    });
    //#endregion
}
exports.displayParams = displayParams;
function replace(out, match, char, color) {
    //#region @backend
    var m = out.match(match);
    var outer = out;
    if (m)
        m.forEach(function (p) {
            var rep = p
                .slice(1)
                .replace(char, '');
            outer = outer.replace("\"" + rep + "\":", "\"" + color.call(null, rep) + "\":");
        });
    return outer;
    //#endregion
}
function handleObjectData(param, level) {
    //#region @backend
    if (istartedInVscode()) {
        consoleLog(param, level);
        return;
    }
    var out = stringify(param, null, 4);
    out = replace(out, /\".*"\:\ \"/g, /\"\: "/, chalk.green);
    out = replace(out, /\".*"\:\ \{/g, /\"\: \{/, chalk.yellow);
    out = replace(out, /\".*"\:\ \[/g, /\"\: \[/, chalk.red);
    out = replace(out, /\".*"\:\ true/g, /\"\: true/, chalk.blue);
    out = replace(out, /\".*"\:\ false/g, /\"\: false/, chalk.blue);
    out = replace(out, /\".*"\:\ (\-|[0-9])/g, /\"\: (\-|[0-9])/, chalk.magenta);
    out = out.replace(/\"/g, chalk.dim('"'))
        .replace(/\{/g, chalk.dim('{'))
        .replace(/\}/g, chalk.dim('}'))
        .replace(/\}/g, chalk.dim('}'));
    if (process.stdout.columns && process.stdout.columns > 0) {
        out = out.split('\n').map(function (line) {
            return (line.length < process.stdout.columns ?
                line :
                line.slice(0, process.stdout.columns - 6) + chalk.dim('...'));
        }).join('\n');
    }
    consoleLog(out, level);
    //#endregion
}
function istartedInVscode() {
    //#region @backend
    var args = process.execArgv;
    if (args) {
        return args.some(function (arg) {
            return /^--debug=?/.test(arg) ||
                /^--debug-brk=?/.test(arg) ||
                /^--inspect=?/.test(arg) ||
                /^--inspect-brk=?/.test(arg);
        });
    }
    return false;
    //#endregion
}
exports.istartedInVscode = istartedInVscode;
function isObjectAfterStringify(s) {
    //#region @backend
    try {
        var json = JSON5.parse(s);
        return true;
    }
    catch (error) {
        return false;
    }
    //#endregion
}
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