nodejs__jr_functions.js

global.timer_start = {};    //if browser replace all to window.timer_start

const jr = {                //if browser js replace 'const' to 'var'
    timer: {
    	start: function(timer_name) {
        global.timer_start[timer_name] = new Date().getTime();
      },
      stop: function(timer_name) {
            var timer_stop = new Date().getTime();
            var out = timer_stop - global.timer_start[timer_name];
            return 'timer ' + timer_name + ': ' + out + 'ms';
      },
      stop_log: function(timer_name) {
            var timer_stop = new Date().getTime();
            var out = timer_stop - global.timer_start[timer_name];
            console.log('timer ' + timer_name + ': ' + out + 'ms');
        }
    },
    isset: function(v_var) {
        if (typeof(v_var) == 'number') { if (isNaN(v_var)) { return false; } }
        if (typeof(v_var) == 'undefined' || v_var === null) { return false; }
        return true;
    },
    fix_00: function(x) {
        return ((x < 10 ? '0' : '') + x);
    },
    to_number: function(v) {
        return parseInt(v, 10);
    },
    get_time: function() {
        var d = new Date();
        return '' + jr.fix_00(d.getHours()) + ':' + jr.fix_00(d.getMinutes());
    },
    get_date: function() {
        var d = new Date();
        return '' + jr.fix_00(d.getDate()) + '.' + jr.fix_00(d.getMonth() + 1) + '.' + d.getFullYear();
    },
    date_plus: function(time_1, time_2) {

        time_1 = time_1.split(':');
        time_2 = time_2.split(':');

        time_1[0] = jr.to_number(time_1[0]);
        time_1[1] = jr.to_number(time_1[1]);
        time_2[0] = jr.to_number(time_2[0]);
        time_2[1] = jr.to_number(time_2[1]);

        var hour_plus = 0;
        var minutes = jr.fix_00(time_1[1] + time_2[1]);
        if (minutes >= 60) {
            minutes = jr.fix_00(minutes - 60);
            hour_plus = 1;
        }

        var hour = jr.fix_00(time_1[0] + time_2[0] + hour_plus);
        if (hour >= 24) {
            hour = jr.fix_00(hour - 24);
        }
        return hour + ':' + minutes;
    },
    regex_compile: function(v, name, regexp_flags) {
        // use: jr.regex_compile(array_strings, object_name_in_array, (regexp flags, to return finalregexp object)? );
        var regexp_str = '';
        for (var i = 0; i < v.length; i++) {
            if (i === 0) {
                regexp_str += v[i][name];
            } else {
                regexp_str += '|' + v[i][name];
            }
        }
        if (jr.isset(regexp_flags)) {
            var regexp_str = new RegExp(regexp_str, regexp_flags);
        }
        return regexp_str;
    },
    hr: function() {
        console.log('------------------');
    }
};
module.exports = jr;         //if brwser javascript, comment this
//include in nodejs
//const jr = require('./nodejs__jr_functions');

//####### SAMPLES #######
//console.log(jr.date_plus('01:30', '22:31'));

// const v_regexp = [ 
// 	{num: '1',	regexp_str: 'дорог(ой|ая|ие)'},
// 	{num: '2',	regexp_str: 'дешев(ый|ая|ие|ле)'},
// 	{num: '3',	regexp_str: 'хорош(ий|ая|ие|ее)'}
// ];

// var regexp_match = jr.regex_compile(v_regexp, 'regexp_str', 'ig');
// var v_str = 'хороший';
// if( regexp_match.test(v_str) ){
// 	true
// }

//console.log(jr.regex_compile(v_regexp, 'num'));
//console.log(jr.regex_compile(v_regexp, 'num', 'ig'));