js-tools-base

A lightweight javascript tool library for various needs.

Version 1.2.0

List of tools: isObject, isEmptyOrOnlySpacesString, getTimeZone, doesObjectHaveEmptyProps, isSorted, shuffleArray, generateRandomIntList, randomInt.

Installation

$ npm install js-tools-base

Usage

const { ExampleTool } = require("js-tools-base");

List of tools

isObject(object)

Check is that object in argument of function or not.

console.log(isObject({ "id": 123, "message": "hello Iphone" })); //true
console.log(isObject('some string')); //false

isEmptyOrOnlySpacesString(string)

Checks is string empty or has only spaces.

console.log(isEmptyOrOnlySpacesString('Apple')); //false
console.log(isEmptyOrOnlySpacesString('')); //true
console.log(isEmptyOrOnlySpacesString('    ')); //true
console.log(isEmptyOrOnlySpacesString('Ap  p le')); //false

getTimeZone()

Gets the requester's time zone.

console.log(getTimeZone()); //europe/kiev

doesObjectHaveEmptyProperties(object)

checks does object have blank properties.

const obj = {
    name: "John",
    dataOfBirth: "",
    externalId: 2548,
    email: "[email protected]",
    mobile: ""
}

const data = {
    name: "Sal",
    dataOfBirth: "12.12.2012",
    externalId: 83838,
    email: "[email protected]",
    mobile: "122344566"
}
console.log(doesObjectHaveEmptyProps(obj)); //dataOfBirth is empty, mobile is empty, other keys are filled
console.log(doesObjectHaveEmptyProps(data)); //other keys are filled

IsSorted(array)

Checks is sorted array in argument of function or not.

console.log(isSorted([1,3,4,9,13])); //true
console.log(isSorted([5, 7, 1, 67])); //false

shuffleArray(array)

Shuffles the values of an array, returning a new array.

let arr = [4, 6, 7, 9];
console.log(shuffleArray(arr)); //[7, 4, 9, 6]

generateRandomIntList(length, max)

Generates an array with random int values. First argument is the length of array, second is the max possible integer.

console.log(generateRandomIntList(8, 100)); //[ 41, 4, 52, 9, 82, 50, 19, 60 ]
console.log(generateRandomIntList(5, 5)); //[ 1, 0, 2, 0, 4 ]

randomInt(min, max)

Generates an integer between the minimum given value and the maximum given value.

console.log(randomInt(3, 576)); // 207
console.log(randomInt(50, 60)); // 58

capitalizeFirstLetter(string)

Capitalizes the first letter of a string.

console.log(capitalizeFirstLetter('hello')); // Hello
console.log(capitalizeFirstLetter('')); // ''

debounce(func, wait) Debounces a function to limit its execution rate.

const log = debounce(() => console.log('Debounced!'), 1000);
log();
log();
log(); // Only this call will log 'Debounced!' after 1 second

getQueryParams(url) Parses URL query parameters into an object.

console.log(getQueryParams('https://example.com?page=1&sort=asc')); // { page: '1', sort: 'asc' }

flattenArray(arr) Flattens a nested array.

console.log(flattenArray([1, [2, [3, [4]], 5]])); // [1, 2, 3, 4, 5]

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[email protected]

at least if one of the tools you like, please star the repo. if you have free time feel free to contribute to this library

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