Utility functions

byteSize.js

function bytesToSize (bytes) {
    if (bytes === 0) return '0 B';

    var k = 1024;
    var sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
    var i = Math.floor(Math.log(bytes) / Math.log(k))
    return (bytes / Math.pow(k, i)).toPrecision(3) + ' ' + sizes[i]
}

camelize.js

function camelize(str) {
    const camelizeRE = /-(\w)/g;
    return str.replace(camelizeRE, (_, c) => c ? c.toUpperCase() : '');
}

numberThousands.js

function numberToStringWithComma(number) {
    // convert number to string
    let str = String(number);
    
    let s = '';
    let count = 0;
    for (let i = str.length - 1; i >= 0; i--) {
      s = str[i] + s
      count++
      // add a comma to every three numbers
      if (count % 3 == 0 && i != 0) {
        s = ',' + s
      }
    }
    return s
}
view raw

stripHTML.js

const stripHTMLTags = str => str.replace(/<[^>]*>/g, '');

userAgentDetect.js

const inBrowser = typeof window !== 'undefined'

// get user agent
const UA = inBrowser && window.navigator.userAgent.toLowerCase()

// detect browser
const isIE = UA && /msie|trident/.test(UA)
const isIE9 = UA && UA.indexOf('msie 9.0') > 0
const isEdge = UA && UA.indexOf('edge/') > 0
const isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge
const isPhantomJS = UA && /phantomjs/.test(UA)
const isFF = UA && UA.match(/firefox\/(\d+)/)

// detect OS
const isAndroid = UA && UA.indexOf('android') > 0
const isIOS = UA && /iphone|ipad|ipod|ios/.test(UA)