js-string-helper
Helper module for string to provide support for common functions related to string, except javascript built-in objects. It's open source and any one is welcome to contribute.
Installation
npm install --save js-string-helper
Usage
import {trim, isEmail, getLinksFromText} from 'js-string-helper'
Method
URL Validation
| Method | output | Explanation |
|---|---|---|
| isUrl | boolean | check whether a string is an URL |
| isImageUrl | boolean | check whether an URL is link of an image |
| getDomain | string | get domain name of the url |
| hasValidUrlProtocol | boolean | check whether a url has valid url protocol |
| removeQueryString | boolean | return url without query string |
| getQueryString | object | return object with all the parameter name and parameter value |
| getLastPathname | boolean | return the last pathname of the url |
Example:
const exampleUrl = 'https://example.com/img.jpg?param1=1234¶m2=5678'
isUrl(exampleUrl) // true
getDomain(exampleUrl) // example.com
hasValidUrlProtocol(exampleUrl) // true
removeQueryString(exampleUrl) // https://example.com/img.jpg
getQueryString(exampleUrl) // { 'param1': "1234", 'param2': '5678' }
getLastPathname(exampleUrl) // img.jpg
isImageUrl(exampleUrl) // true
String Validation
| Method | output | Explanation |
|---|---|---|
| isEmail | boolean | check whether a string is email |
| isPhoneNumber | boolean | check whether a string is phone number of length 10 |
| getLinksFromText | string | extract url from a text |
| removeSpecialCharacter | string | return text without any special character |
| clean | string | same as removeSpecialCharacter |
Example:
isEmail("hello@gmail.com") // true
isPhoneNumber("01095273239") // true
getLinksFromText("dummy text of https://www.lipsum.com/ in the printing") // https://www.lipsum.com/
removeSpecialCharacter("Campum efficitur, , pulcherrimum; #sequimur teneam ullo! ") // Campum efficitur pulcherrimum sequimur teneam ullo aspCase Styles
| Method | output | Explanation |
|---|---|---|
| toTitleCase | string | capitalize first character of each word in a string |
| toCamelCase | string | capitalize first character of each word (except first word) |
| toPascalCase | string | capitalize first character of each word |
| toKebabCase | string | replace space between words with hyphen ( - ) |
| toSnakeCase | string | replace space between words with underscore ( _ ) |
Example:
toTitleCase("hello world") // Hello World
toCamelCase("hello world") // helloWorld
toPascalCase("hello world") // HelloWorld
toKebabCase("hello world") // hello-world
toSnakeCase("hello world") // hello_world
