cctail/dist/lib/logparser.js

Salesforce Commerce Cloud logs remote tail

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const moment_1 = __importDefault(require("moment"));
const logger_1 = __importDefault(require("./logger"));
const logparser = {
    process: async function (files) {
        return Promise.all(files).then((values) => {
            return values.map((data) => {
                if (data[0].log.endsWith(".csv"))
                    return this.parseCsv(data);
                else
                    return this.parseLog(data);
            }).reduce((a, b) => {
                if (a.length === 0)
                    return b;
                return a.concat(b);
            });
        });
    },
    parseCsv: function (logdata) {
        let logfile = logdata[0].log.replace("/", "-");
        let timestamp = logdata[0].date;
        let data = logdata[1];
        let linesobj = [];
        let regexp = new RegExp((/([^\n]+)/g));
        let mmatch;
        while (mmatch = regexp.exec(data)) {
            let start = mmatch.index;
            let end = start + mmatch[0].length;
            // Start > 0 guarantees we skip the first line, which is the CSV header.
            if (start > 0 && end > 0) {
                linesobj.push({
                    message: data.substring(start, end),
                    timestamp: timestamp,
                    level: logger_1.default.profile,
                    logfile: logfile
                });
            }
        }
        return linesobj;
    },
    parseLog: function (logdata) {
        let logfile = logdata[0].log;
        let data = logdata[1];
        let linesobj = [];
        let regexp = new RegExp((/\[([.0-9 .:-]*) GMT\] (DEBUG|INFO|WARN|ERROR|FATAL)? ?(.*)/g));
        regexp.lastIndex = 0;
        let lastmatchend = 0;
        let mmatch;
        // eslint-disable-next-line no-cond-assign
        while (mmatch = regexp.exec(data)) {
            let start = mmatch.index;
            let end = start + mmatch[0].length;
            if (start > 0 && linesobj.length === 0) {
                linesobj.push({
                    message: data.substring(0, start - 1),
                    timestamp: undefined,
                    level: undefined,
                    logfile: logfile
                });
            }
            else if (start > (lastmatchend + 1)) {
                // append extra lines to the previous log
                linesobj[linesobj.length - 1].message += `${data.substring(lastmatchend, start - 1)}`;
            }
            // 2019-07-15 11:00:07.235
            let timestamp = moment_1.default.utc(mmatch[1], "YYYY-MM-DD HH:mm:ss.SSS");
            let level = mmatch[2] || 'INFO';
            let message = mmatch[3];
            lastmatchend = end;
            linesobj.push({
                timestamp,
                level,
                message,
                logfile
            });
        }
        if (linesobj.length > 0 && lastmatchend < data.length) {
            linesobj[linesobj.length - 1].message += `${data.substring(lastmatchend, data.length)}`;
        }
        if (lastmatchend === 0 && data && data.length > 0) { // no match
            linesobj.push({
                message: data,
                timestamp: undefined,
                level: undefined,
                logfile: logfile
            });
        }
        return linesobj;
    }
};
exports.default = logparser;