Functions

A function library.

Install

npm install @letea/functions

Array

checkIsArray

Check data type is an array or not.

arguments

value; // required, any type is accepted.

usage

import checkIsArray from "@letea/function/checkIsArray";

checkIsArray([1, 2, 3]);
// true

checkIsArray("abc");
// false

checkIsArrayEmpty

Check the array is empty or not.

arguments

array = []; // required

usage

import checkIsArrayEmpty from "@letea/function/checkIsArrayEmpty";

checkIsArrayEmpty([]);
// true

checkIsArrayEmpty([1, 2, 3]);
// false

getDuplicateValuesFromArray

Get an array with duplicate values from the original array.

arguments

array = []; // required

usage

import getDuplicateValuesFromArray from "@letea/function/getDuplicateValuesFromArray";

const array = [1, 2, 3, 2, 3, 4, 5];

getDuplicateValuesFromArray(array);
// [2, 3]

getIntersectionArray

Get an intersection array.

arguments

arguments = {
  array1: [], // required
  array2: [], // required
};

usage

import getIntersectionArray from "@letea/function/getIntersectionArray";

getIntersectionArray({
  array1: ["a", "b", "c"],
  array2: ["b", "c", "d", "e", "f"],
});
// ["b", "c"]

references

一些JS 數組精簡技巧，要記好筆記了

getNextIndexInArray

Set an array and index to get the next index. Using isLoop to get the first index if the index of input is the last one.

arguments

arguments = {
  array: [], // required
  index: 0, // optional
  isLoop: false, // optional
};

usage

import getNextIndexInArray from "@letea/function/getNextIndexInArray";

const array = ["a", "b", "c", "d", "e"];

getNextIndexInArray({
  array,
  index: 2,
});
// 3

getNextIndexInArray({
  array,
  index: 4,
});
// -1

getNextIndexInArray({
  array,
  index: 4,
  isLoop: true,
});
// 0

getRandomIndexInArray

Get a random index from the array.

arguments

array = []; // required

usage

import getRandomIndexInArray from "@letea/function/getRandomIndexInArray";

const array = ["a", "b", "c", "d", "e"];

getRandomIndexInArray(array);

getRandomValueInArray

Get a random value from the array.

arguments

array = []; // required

usage

import getRandomValueInArray from "@letea/function/getRandomValueInArray";

const array = [1, 2, 3, 4, 5];

getRandomValueInArray(array);

getReverseArray

Get an array with reversed.

arguments

array = []; // required

usage

import getReverseArray from "@letea/function/getReverseArray";

const array = [1, 2, 3, 4, 5];

getReverseArray(array);
// [5, 4, 3, 2 ,1]

getShuffleArray

Get an array with shuffled.

arguments

array = []; // required

usage

import getShuffleArray from "@letea/function/getShuffleArray";

const array = [1, 2, 3, 4, 5];

getShuffleArray(array);
// [5, 3, 2, 1, 4]...

getSortedArray

Get a sorted array.

arguments

array = []; // required

usage

import getSortedArray from "@letea/function/getSortedArray";

const array = [5, 3, 2, 1, 4];

getSortedArray(array);
// [1, 2, 3, 4, 5]

getTrulyArray

Get an array with true values.

arguments

array = []; // required

usage

import getTrulyArray from "@letea/function/getTrulyArray";

const array = [0, "test", "", NaN, 9, true, undefined, false, Infinity, {}, []];

getTrulyArray(array);
// ["test", 9, true, Infinity, {}, []]

notes

Infinity is a true value.

references

一些JS 數組精簡技巧，要記好筆記了

getUniqueArray

Get a unique array.

arguments

array = []; // required

usage

import getUniqueArray from "@letea/function/getUniqueArray";

getUniqueArray([1, 2, 3, "a", "b", 2, "c", "a"]);
// [1, 2, 3, "a", "b", "c"]

references

uniqueElements - 30 seconds of code

getUniqueValuesFromArray

Get an array with unique values from the original array.

arguments

array = []; // required

usage

import getUniqueValuesFromArray from "@letea/function/getUniqueValuesFromArray";

const array = [1, 2, 3, 2, 3, 4, 5];

getUniqueValuesFromArray(array);
// [1, 4, 5]

Browser

checkIsBrowser

Check an environment is a browser or not by window and document.

usage

import checkIsBrowser from "@letea/function/checkIsBrowser";

// Browser
checkIsBrowser();
// true

// Node.js
checkIsBrowser();
// false

references

isBrowser - 30 seconds of code

checkIsInAppBrowserByFacebookNotLoaded

Facebook's InAppBrowser has a bug: window size is not correct before the window loaded. So we need to check is loaded or not.

usage

import checkIsInAppBrowserByFacebookNotLoaded from "@letea/function/checkIsInAppBrowserByFacebookNotLoaded";

checkIsInAppBrowserByFacebookNotLoaded();
// true

notes

Only work on browsers.

Canvas

checkIsCanvasSupported

Check the browser is supports canvas or not.

usage

import checkIsCanvasSupported from "@letea/function/checkIsCanvasSupported";

checkIsCanvasSupported();
// true

notes

Only work on browsers.

Function

checkIsFunction

Check data type is function or not.

arguments

value; // required, any type is accepted.

usage

import checkIsFunction from "@letea/function/checkIsFunction";

checkIsFunction(() => {});
// true

checkIsFunction(function () {});
// true

checkIsFunction("function");
// false

LocalStorage

checkIsLocalStorageSupported

Check the browser is supports local storage or not.

usage

import checkIsLocalStorageSupported from "@letea/function/checkIsLocalStorageSupported";

checkIsLocalStorageSupported();
// true

notes

Only work on browsers.

Number

checkIsInteger

Check the number is an integer or not.

arguments

value; // required, any type is accepted.

usage

import checkIsInteger from "@letea/function/checkIsInteger";

checkIsInteger(1);
// true

checkIsInteger(1.5);
// false

checkIsNumber

Check data type is number or not.

arguments

value; // required, any type is accepted.

usage

import checkIsNumber from "@letea/function/checkIsNumber";

checkIsNumber(123);
// true;

checkIsNumber("abc");
// false

checkIsNumber(NaN);
// false

checkIsNumber(Infinity);
// false

getFixedNumber

Get a float number with fixed option.

arguments

arguments = {
  number: 0, // required.
  fixed: 0, // optional.
};

usage

import getFixedNumber from "@letea/function/getFixedNumber";

getFixedNumber({
  number: 3.1415926535,
  fixed: 5,
});
// 3.14159

getRandomNumber

Get a random number.

arguments

arguments = {
  maxNumber: 0, // required, it should be greater than minNumber.
  minNumber: 0, // optional.
  isFloat: false, // optional, if is true, it will return a float number.
};

usage

import getRandomNumber from "@letea/function/getRandomNumber";

getRandomNumber({
  maxNumber: 10,
});
// 6

getRandomNumber({
  maxNumber: 10,
  minNumber: 0,
  isFloat: true,
});
// 3.5476

Object

checkIsObject

Check data type is an object or not.

arguments

value; // required, any type is accepted.

usage

import checkIsObject from "@letea/function/checkIsObject";

checkIsObject({ a: 123 });
// true;

checkIsObject([1, 2, 3]);
// false

checkIsObject("abc");
// false

checkIsObjectEmpty

Check the object is empty or not.

arguments

object = {}; // required

usage

import checkIsObjectEmpty from "@letea/function/checkIsObjectEmpty";

checkIsObjectEmpty({});
// true

checkIsObjectEmpty({ a: 1 });
// false

getObjectValue

Get the value from an object, including multiple levels.

arguments

arguments = {
  object: {}, // required
  keys: "", // required
};

usage

import getObjectValue from "@letea/function/getObjectValue";

const example = {
  a: 1,
  b: {
    c: 2,
    d: [3, { e: 4 }],
  },
};

getObjectValue({
  object: example,
  keys: "a",
});
// 1

getObjectValue({
  object: example,
  keys: "b.c",
});
// 2

getObjectValue({
  object: example,
  keys: "b.d[0]",
});
// 3

getObjectValue({
  object: example,
  keys: "b.d[1].e",
});
// 4

getObjectValue({
  object: example,
  keys: "b.d[1].e.f",
});
// undefined

String

checkIsEmailValid

Check email format is valid or not.

arguments

email = ""; // required

usage

import checkIsEmailValid from "@letea/function/checkIsEmailValid";

checkIsEmailValid("geon@ihateregex.io");
checkIsEmailValid("test@gmail.com");
checkIsEmailValid("mail@test.org");
checkIsEmailValid("mail@testing.com");
// true

checkIsEmailValid();
checkIsEmailValid("hello@");
checkIsEmailValid("@test");
checkIsEmailValid("email@gmail");
checkIsEmailValid("theproblem@");
// false

references

Regex Rule

checkIsMobileNumberValid

Check mobile number format is valid or not.

arguments

mobileNumber = ""; // required

usage

import checkIsMobileNumberValid from "@letea/function/checkIsMobileNumberValid";

checkIsMobileNumberValid("0912345678");
checkIsMobileNumberValid("0912-345-678");
checkIsMobileNumberValid("+8860912345678");
checkIsMobileNumberValid("+886912345678");
checkIsMobileNumberValid("+886912-345-678");
// true

checkIsMobileNumberValid();
checkIsMobileNumberValid("09");
checkIsMobileNumberValid("091234567");
checkIsMobileNumberValid("0912-345");
checkIsMobileNumberValid("09123-45-678");
checkIsMobileNumberValid("0912345-678");
checkIsMobileNumberValid("0912-345678");
checkIsMobileNumberValid("+88609");
checkIsMobileNumberValid("+886091234567");
checkIsMobileNumberValid("+8860912-34567");
// false

checkIsString

Check data type is a string or not.

arguments

value; // required, any type is accepted.

usage

import checkIsString from "@letea/function/checkIsString";

checkIsString("abc");
// true

checkIsString(123);
// false

checkIsString({ a: 1 });
// false

getRandomString

Get a random string.

arguments

length = 3; // optional

usage

import getRandomString from "@letea/function/getRandomString";

getRandomString();
// "ZI4"

getRandomString(5);
// "j0C4N"

getSimpleChinese

Transform Traditional Chinese into Simple Chinese.

arguments

value = ""; // required

usage

import getSimpleChinese from "@letea/function/getSimpleChinese";

getSimpleChinese("繁體字、簡體字");
// "繁体字、简体字"

references

繁簡轉換

getStringify

Transform any data into a string.

arguments

value; // required, any type is accepted.

usage

import getStringify from "@letea/function/getStringify";

getStringify(123);
// "123"

getStringify({ a: 123, b: undefined, c: Infinity, d: NaN });
// "{a:123, b:undefined, c:Infinity, d:NaN}"

getStringify([123, 234, undefined, Infinity, NaN]);
// "[123, 234, undefined, Infinity, NaN]"

getStringWithSpaceBetweenHalfAndFullWidth

Get a string with space between half and full with characters.

arguments

text = ""; // required

usage

import getStringWithSpaceBetweenHalfAndFullWidth from "@letea/function/getStringWithSpaceBetweenHalfAndFullWidth";

getStringWithSpaceBetweenHalfAndFullWidth("我是很busy，因為我很多things要do");
// "我是很 busy，因為我很多 things 要 do"

references

為什麼你們就是不能加個空格呢？

getTraditionalChinese

Transform Simple Chinese into Traditional Chinese.

arguments

value = ""; // required

usage

import getTraditionalChinese from "@letea/function/getTraditionalChinese";

getTraditionalChinese("繁体字、简体字");
// "繁體字、簡體字"

references

繁簡轉換

Time

getHoursFromMinutes

Minutes to hours.

arguments

minutes = 0; // required

usage

import getHoursFromMinutes from "@letea/function/getHoursFromMinutes";

getHoursFromMinutes(60);
// 1

getHoursFromSeconds

Seconds to hours.

arguments

seconds = 0; // required

usage

import getHoursFromSeconds from "@letea/function/getHoursFromSeconds";

getHoursFromSeconds(3600);
// 1

getMillisecondsFromSeconds

Seconds to milliseconds

arguments

seconds = 0; // required

usage

import getMillisecondsFromSeconds from "@letea/function/getMillisecondsFromSeconds";

getMillisecondsFromSeconds(1);
// 1000

getMinutesFromHours

Hours to minutes.

arguments

hours = 0; // required

usage

import getMinutesFromHours from "@letea/function/getMinutesFromHours";

getMinutesFromHours(1);
// 60

getMinutesFromSeconds

Seconds to minutes.

arguments

seconds = 0; // required

usage

import getMinutesFromSeconds from "@letea/function/getMinutesFromSeconds";

getMinutesFromSeconds(60);
// 1

getSecondsFromHours

Hours to seconds.

arguments

hours = 0; // required

usage

import getSecondsFromHours from "@letea/function/getSecondsFromHours";

getSecondsFromHours(1);
// 3600

getSecondsFromMilliseconds

Milliseconds to seconds.

arguments

milliseconds = 0; // required

usage

import getSecondsFromMilliseconds from "@letea/function/getSecondsFromMilliseconds";

getSecondsFromMilliseconds(1000);
// 1

getSecondsFromMinutes

Minutes to Seconds.

arguments

minutes = 0; // required

usage

import getSecondsFromMinutes from "@letea/function/getSecondsFromMinutes";

getSecondsFromMinutes(1);
// 60

URL

checkIsAbsoluteURL

Check the URL is absolute or not.

arguments

url = ""; // required

usage

import checkIsAbsoluteURL from "@letea/function/checkIsAbsoluteURL";

checkIsAbsoluteURL("https://google.com");
// true

checkIsAbsoluteURL("ftp://www.myserver.net");
// true

checkIsAbsoluteURL("/foo/bar");
// false

references

isAbsoluteURL - 30 seconds of code

getCurrentURL

Get current site's URL. For now can get URL without search or trim tracking parameters(Google & Facebook).

arguments

arguments = {
  hasSearch: true, // optional.
  trimTracking: false, // optional, if hasSearch is true then trimTracking will do nothing.
};

usage

import getCurrentURL from "@letea/function/getCurrentURL";

// if window.location.href is "https://google.com/tw/?a=%E5%80%BC&utm_source=value&utm_medium=value&utm_campaign=value&utm_term=value&utm_content=value&ad_id=value&adset_id=value&campaign_id=value&ad_name=value&adset_name=value&campaign_name=value&placement=value&site_source_name=value"
getCurrentURL();
// "https://google.com/tw/?a=%E5%80%BC&utm_source=value&utm_medium=value&utm_campaign=value&utm_term=value&utm_content=value&ad_id=value&adset_id=value&campaign_id=value&ad_name=value&adset_name=value&campaign_name=value&placement=value&site_source_name=value"

getCurrentURL({
  hasSearch: false,
});
// "https://google.com/tw/"

getCurrentURL({
  trimTracking: true,
});
// https://google.com/tw/?a=%E5%80%BC

notes

Only work on browsers.

getDropboxRawFileURL

Get a file URL that can be linked from Dropbox directly.

arguments

filePath = ""; // required, the format is "id/filename"

usage

import getDropboxRawFileURL from "@letea/function/getDropboxRawFileURL";

getDropboxRawFileURL("0xp0v2cm3asbk0h/sample.jpg");
// https://www.dropbox.com/s/0xp0v2cm3asbk0h/sample.jpg?raw=1

references

How to Force a Shared Link to Download or Render - Dropbox

getGoogleCloudStorageFile

Get a file URL that can be linked from Google Cloud Storage.

arguments

filePath = ""; // required, the format is "project/filename"

usage

import getGoogleCloudStorageFile from "@letea/function/getGoogleCloudStorageFile";

getGoogleCloudStorageFile("storybook.letea.me/issue-img-webp.jpg");
// https://storage.googleapis.com/storybook.letea.me/issue-img-webp.jpg

notes

Public bucket only

getParametersFromURL

Transform URL's search into an object.

arguments

url = ""; // required

usage

import getParametersFromURL from "@letea/function/getParametersFromURL";

getParametersFromURL("http://example.com/?a=1");
// { a: 1 }

getParametersFromURL("http://example.com/?a=1&b=2&c=3");
// { a: 1, b: 2, c: 3 }

getParametersFromURL("?a=1");
// { a: 1 }

getParametersFromURL("?a=1&b=2&c=3");
// { a: 1, b: 2, c: 3 }

getParametersFromURL("?a=%E5%80%BC");
// { a: "值" }

getParametersFromURL("http://example.com/");
// {}

getSearchFromParameters

Transform an object into a search for a URL.

arguments

parameters = {}; // required

usage

import getSearchFromParameters from "@letea/function/getSearchFromParameters";

getSearchFromParameters({ a: 1 });
// "?a=1"

getSearchFromParameters({ a: 1, b: 2, c: 3 });
// "?a=1&b=2&c=3"

getSearchFromParameters({ a: 1 });
// "?a=1"

getSearchFromParameters({ a: 1, b: 2, c: 3 });
// "?a=1&b=2&c=3"

getSearchFromParameters({ a: "值" });
// "?a=%E5%80%BC"

getSearchFromParameters({});
// ""

getShareToFacebookLink

Get a link that can direct to the Facebook Share Page.

arguments

url = ""; // optional, if empty, it's will using location.href.

usage

import getShareToFacebookLink from "@letea/function/getShareToFacebookLink";

getShareToFacebookLink();
// "https://www.facebook.com/sharer/sharer.php?u={location.href}"

getShareToFacebookLink("https://google.com");
// "https://www.facebook.com/sharer/sharer.php?u=https://google.com"

notes

Only work on browsers.

references

Facebook

getShareToLineLink

Get a link that can direct to the Line Share Page.

arguments

arguments = {
  url: "", // optional, if empty, it's will using location.href.
  message: "", // optional
};

usage

import getShareToLineLink from "@letea/function/getShareToLineLink";

getShareToLineLink();
// "http://line.naver.jp/R/msg/text/?%0D%0A{location.href}"

getShareToLineLink({ url: "https://google.com", message: "OK Google" });
// "http://line.naver.jp/R/msg/text/?OK%20Google%0D%0Ahttps://google.com"

notes

Only work on browsers.

references

Line Social Plugins

getURLWithoutParameters

Trim URL's search.

arguments

url = ""; // required

usage

import getURLWithoutParameters from "@letea/function/getURLWithoutParameters";

getURLWithoutParameters("http://example.com/?a=1");
// http://example.com/

getURLWithoutParameters("http://example.com/?a=1&b=2&c=3");
// http://example.com/

getURLWithoutParameters("http://example.com/?a=%E5%80%BC");
// http://example.com/

getURLWithoutParameters("http://example.com/");
// http://example.com/

getURLWithoutTrackingParameters

To filter URL's search(Tracking Parameters), including Google, Facebook for now.

arguments

url = ""; // required

usage

import getURLWithoutTrackingParameters from "@letea/function/getURLWithoutTrackingParameters";

getURLWithoutTrackingParameters(
  "http://google.com/?utm_source=value&utm_medium=value&utm_campaign=value&utm_term=value&utm_content=value"
);
// "http://google.com/"

getURLWithoutTrackingParameters(
  "http://facebook.com/?ad_id=value&adset_id=value&campaign_id=value&ad_name=value&adset_name=value&campaign_name=value&placement=value&site_source_name=value&fclid=value"
);
// "http://facebook.com/"

getURLWithoutTrackingParameters(
  "http://google.com/?a=123&utm_source=value&utm_medium=value&utm_campaign=value&utm_term=value&utm_content=value&gclid=value"
);
// "http://google.com/?a=123"

references

User-Agent

checkIsAndroid

Check is Android by the window.navigator.userAgent

usage

import checkIsAndroid from "@letea/function/checkIsAndroid";

// Mozilla/5.0 (Linux; Android 8.0.0; HTC_M10h) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.136 Mobile Safari/537.36
checkIsAndroid();
// true

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/79.0.3945.73 Mobile/15E148 Safari/604.1
checkIsAndroid();
// false

notes

Only work on browsers.

checkIsChrome

Check is Chrome by the window.navigator.userAgent.

usage

import checkIsChrome from "@letea/function/checkIsChrome";

// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
checkIsChrome();
// true

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:72.0) Gecko/20100101 Firefox/72.0
checkIsChrome();
// false

notes

Only work on browsers.

checkIsDesktop

Check is Desktop Device by the window.navigator.userAgent.

usage

import checkIsDesktop from "@letea/function/checkIsDesktop";

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
checkIsDesktop();
// true

// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
checkIsDesktop();
// true

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Mobile/15E148 Safari/604.1
checkIsDesktop();
// false

notes

Only work on browsers.

checkIsEdge

Check is Edge by the window.navigator.userAgent.

usage

import checkIsEdge from "@letea/function/checkIsEdge";

// Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 EdgiOS/44.11.15 Mobile/15E148 Safari/605.1.15
checkIsEdge();
// true

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:72.0) Gecko/20100101 Firefox/72.0
checkIsEdge();
// false

notes

Only work on browsers.

checkIsFirefox

Check is Firefox by the window.navigator.userAgent.

usage

import checkIsFirefox from "@letea/function/checkIsFirefox";

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:72.0) Gecko/20100101 Firefox/72.0
checkIsFirefox();
// true

// Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 EdgiOS/44.11.15 Mobile/15E148 Safari/605.1.15
checkIsFirefox();
// false

notes

Only work on browsers.

checkIsInAppBrowserByFacebook

Check is InAppBrowser by Facebook using window.navigator.userAgent.

usage

import checkIsInAppBrowserByFacebook from "@letea/function/checkIsInAppBrowserByFacebook";

// Mozilla/5.0 (Linux; Android 8.0.0; HTC_M10h Build/OPR1.170623.027; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/255.0.0.33.121;]
checkIsInAppBrowserByFacebook();
// true

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/10.0.2
checkIsInAppBrowserByFacebook();
// false

notes

Only work on browsers.

checkIsInAppBrowserByLine

Check is InAppBrowser by Line using window.navigator.userAgent.

usage

import checkIsInAppBrowserByLine from "@letea/function/checkIsInAppBrowserByLine";

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 Safari Line/10.0.2
checkIsInAppBrowserByLine();
// true

// Mozilla/5.0 (Linux; Android 8.0.0; HTC_M10h Build/OPR1.170623.027; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/255.0.0.33.121;]
checkIsInAppBrowserByLine();
// false

notes

Only work on browsers.

checkIsInternetExplorer

Check is Internet Explorer by the window.navigator.userAgent

usage

import checkIsInternetExplorer from "@letea/function/checkIsInternetExplorer";

// Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; rv:11.0) like Gecko
checkIsInternetExplorer();
// true

// Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729)
checkIsInternetExplorer();
// true

// Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729)
checkIsInternetExplorer();
// true

// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
checkIsInternetExplorer();
// false

notes

Only work on browsers.

checkIsiOS

Check is iOS by the window.navigator.userAgent.

usage

import checkIsiOS from "@letea/function/checkIsiOS";

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/79.0.3945.73 Mobile/15E148 Safari/604.1
checkIsiOS();
// true

// Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Mobile/15E148 Safari/604.1
checkIsiOS();
// true

// Mozilla/5.0 (Linux; Android 8.0.0; HTC_M10h) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.136 Mobile Safari/537.36
checkIsiOS();
// false

notes

Only work on browsers.

checkIsiPad

Check is iPad by the window.navigator.userAgent.

usage

import checkIsiPad from "@letea/function/checkIsiPad";

// Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Mobile/15E148 Safari/604.1
checkIsiPad();
// true

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/79.0.3945.73 Mobile/15E148 Safari/604.1
checkIsiPad();
// false

notes

Only work on browsers.

checkIsiPhone

Check is iPhone by the window.navigator.userAgent.

usage

import checkIsiPhone from "@letea/function/checkIsiPhone";

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/79.0.3945.73 Mobile/15E148 Safari/604.1
checkIsiPhone();
// true

// Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Mobile/15E148 Safari/604.1
checkIsiPhone();
// false

notes

Only work on browsers.

checkIsMac

Check is macOS by the window.navigator.userAgent.

usage

import checkIsMac from "@letea/function/checkIsMac";

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15
checkIsMac();
// true

// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36 Edg/80.0.361.48
checkIsMac();
// false

notes

Only work on browsers.

checkIsMobile

Check is Mobile Device by the window.navigator.userAgent.

usage

import checkIsMobile from "@letea/function/checkIsMobile";

// Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/79.0.3945.73 Mobile/15E148 Safari/604.1
checkIsMobile();
// true

// Mozilla/5.0 (Linux; Android 8.0.0; HTC_M10h) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.136 Mobile Safari/537.36
checkIsMobile();
// true

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
checkIsMobile();
// false

notes

Only work on browsers.

checkIsSafari

Check is Safari by the window.navigator.userAgent.

usage

import checkIsSafari from "@letea/function/checkIsSafari";

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15
checkIsSafari();
// true

// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36 Edg/80.0.361.48
checkIsSafari();
// false

notes

Only work on browsers.

checkIsSamsungBrowser

Check is Samsung Browser by the window.navigator.userAgent.

usage

import checkIsSamsungBrowser from "@letea/function/checkIsSamsungBrowser";

// Mozilla/5.0 (Linux; Android 9; SAMSUNG SM-N9750) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/10.2 Chrome/71.0.3578.99 Mobile Safari/537.36
checkIsSamsugnBrowser();
// true

// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36 Edg/80.0.361.48
checkIsSamsugnBrowser();
// false

notes

Only work on browsers.

checkIsWindows

Check is Windows by the window.navigator.userAgent.

usage

import checkIsWindows from "@letea/function/checkIsWindows";

// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36 Edg/80.0.361.48
checkIsWindows();
// true

// Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15
checkIsWindows();
// false

notes

Only work on browsers.

getAndroidVersion

Get Android Version from the window.navigator.userAgent. If the userAgent is not iOS or not found, it will return "".

usage

import getAndroidVersion from "@letea/function/getAndroidVersion";

// User-Agent: Mozilla/5.0 (Linux; Android 8.0.0; HTC_M10h) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.136 Mobile Safari/537.36
getAndroidVersion();
// "8.0.0"

// User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/79.0.3945.73 Mobile/15E148 Safari/604.1
getAndroidVersion();
// ""

notes

Only work on browsers.

getiOSVersion

Get iOS Version from window.navigator.userAgent. If the userAgent is not iOS or not found, it will return "".

usage

import getiOSVersion from "@letea/function/getiOSVersion";

// User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/79.0.3945.73 Mobile/15E148 Safari/604.1
getiOSVersion();
// "13.3"

// User-Agent: Mozilla/5.0 (Linux; Android 8.0.0; HTC_M10h) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.136 Mobile Safari/537.36
getiOSVersion();
// ""

notes

Only work on browsers.

Video

getVideoType

Get video type for video & source tag.

arguments

src = ""; // required

usage

import getVideoType from "@letea/function/getVideoType";

getVideoType("https://example.com/file/video.mp4");
// "video/mp4"

Window

checkIsClipboardSupported

Check the browser is supports the clipboard or not.

usage

import checkIsClipboardSupported from "@letea/function/checkIsClipboardSupported";

// When Browser support clipboard
checkIsClipboardSupported();
// true

// When Browser is not support clipboard
checkIsClipboardSupported();
// false

notes

Only work on browsers.

references

clipboard.js

checkIsFullscreen

Check the browser is fullscreen or not.

usage

import checkIsFullscreen from "@letea/function/checkIsFullscreen";

// When Fullscreen
checkIsFullscreen();
// true

// When Normal
checkIsFullscreen();
// false

notes

Only work on browsers.

checkIsWindowFocused

Check Window is focused or not.

usage

import checkIsWindowFocused from "@letea/function/checkIsWindowFocused";

checkIsWindowFocused();
// true (when window has focus actually.)

notes

Only work on browsers.

references

Document.hasFocus() - Web APIs | MDN

checkIsWindowLoaded

Check Window is loaded or not.

usage

import checkIsWindowLoaded from "@letea/function/checkIsWindowLoaded";

checkIsWindowLoaded();
// true

notes

Only work on browsers.

Name		Name	Last commit message	Last commit date
Latest commit History 80 Commits
.github/workflows		.github/workflows
.jest		.jest
.readme		.readme
checkIsAbsoluteURL		checkIsAbsoluteURL
checkIsAndroid		checkIsAndroid
checkIsArray		checkIsArray
checkIsArrayEmpty		checkIsArrayEmpty
checkIsBrowser		checkIsBrowser
checkIsCanvasSupported		checkIsCanvasSupported
checkIsChrome		checkIsChrome
checkIsClipboardSupported		checkIsClipboardSupported
checkIsDesktop		checkIsDesktop
checkIsEdge		checkIsEdge
checkIsEmailValid		checkIsEmailValid
checkIsFirefox		checkIsFirefox
checkIsFullscreen		checkIsFullscreen
checkIsFunction		checkIsFunction
checkIsInAppBrowserByFacebook		checkIsInAppBrowserByFacebook
checkIsInAppBrowserByFacebookNotLoaded		checkIsInAppBrowserByFacebookNotLoaded
checkIsInAppBrowserByLine		checkIsInAppBrowserByLine
checkIsInteger		checkIsInteger
checkIsInternetExplorer		checkIsInternetExplorer
checkIsLocalStorageSupported		checkIsLocalStorageSupported
checkIsMac		checkIsMac
checkIsMobile		checkIsMobile
checkIsMobileNumberValid		checkIsMobileNumberValid
checkIsNumber		checkIsNumber
checkIsObject		checkIsObject
checkIsObjectEmpty		checkIsObjectEmpty
checkIsSafari		checkIsSafari
checkIsSamsungBrowser		checkIsSamsungBrowser
checkIsString		checkIsString
checkIsWindowFocused		checkIsWindowFocused
checkIsWindowLoaded		checkIsWindowLoaded
checkIsWindows		checkIsWindows
checkIsiOS		checkIsiOS
checkIsiPad		checkIsiPad
checkIsiPhone		checkIsiPhone
getAndroidVersion		getAndroidVersion
getCurrentURL		getCurrentURL
getDropboxRawFileURL		getDropboxRawFileURL
getDuplicateValuesFromArray		getDuplicateValuesFromArray
getFixedNumber		getFixedNumber
getGoogleCloudStorageFile		getGoogleCloudStorageFile
getHoursFromMinutes		getHoursFromMinutes
getHoursFromSeconds		getHoursFromSeconds
getIntersectionArray		getIntersectionArray
getMillisecondsFromSeconds		getMillisecondsFromSeconds
getMinutesFromHours		getMinutesFromHours
getMinutesFromSeconds		getMinutesFromSeconds
getNextIndexInArray		getNextIndexInArray
getObjectValue		getObjectValue
getParametersFromURL		getParametersFromURL
getRandomIndexInArray		getRandomIndexInArray
getRandomNumber		getRandomNumber
getRandomString		getRandomString
getRandomValueInArray		getRandomValueInArray
getReverseArray		getReverseArray
getSearchFromParameters		getSearchFromParameters
getSecondsFromHours		getSecondsFromHours
getSecondsFromMilliseconds		getSecondsFromMilliseconds
getSecondsFromMinutes		getSecondsFromMinutes
getShareToFacebookLink		getShareToFacebookLink
getShareToLineLink		getShareToLineLink
getShuffleArray		getShuffleArray
getSimpleChinese		getSimpleChinese
getSortedArray		getSortedArray
getStringWithSpaceBetweenHalfAndFullWidth		getStringWithSpaceBetweenHalfAndFullWidth
getStringify		getStringify
getTraditionalChinese		getTraditionalChinese
getTrulyArray		getTrulyArray
getURLWithoutParameters		getURLWithoutParameters
getURLWithoutTrackingParameters		getURLWithoutTrackingParameters
getUniqueArray		getUniqueArray
getUniqueValuesFromArray		getUniqueValuesFromArray
getVideoType		getVideoType
getiOSVersion		getiOSVersion
setDocumentAttribute		setDocumentAttribute
setUserAgent		setUserAgent
.eslintrc.js		.eslintrc.js
.gitignore		.gitignore
.jest-test-results.json		.jest-test-results.json
README.md		README.md
jest.config.js		jest.config.js
package-lock.json		package-lock.json
package.json		package.json

letea/function-library

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Functions

Install

Contents

Array

checkIsArray

arguments

usage

checkIsArrayEmpty

arguments

usage

getDuplicateValuesFromArray

arguments

usage

getIntersectionArray

arguments

usage

references

getNextIndexInArray

arguments

usage

getRandomIndexInArray

arguments

usage

getRandomValueInArray

arguments

usage

getReverseArray

arguments

usage

getShuffleArray

arguments

usage

getSortedArray

arguments

usage

getTrulyArray

arguments

usage

notes

references

getUniqueArray

arguments

usage

references

getUniqueValuesFromArray

arguments

usage

Browser

checkIsBrowser

usage

references

checkIsInAppBrowserByFacebookNotLoaded

usage

notes

Canvas

checkIsCanvasSupported

usage

notes

Function

checkIsFunction

arguments

usage

LocalStorage

checkIsLocalStorageSupported

usage

notes

Number

checkIsInteger

arguments

usage

checkIsNumber

arguments

usage

getFixedNumber

arguments