@apicart/js-utils/src/components/Strings.ts

A small set of useful utilities for easier development

import { Loops } from '.';

class Strings {

	public firstToUpper(string: string): string
	{
		return string.charAt(0).toUpperCase() + string.slice(1);
	}

	public generateHash(length: number, characters = 'abcdefghijklmnopqrstuvwxyz0123456789'): string
	{
		let hash = '';

		while (length--) {
			hash += characters.charAt(Math.floor(Math.random() * characters.length));
		}

		return hash;
	}

	public sprintf(content: string, parameters: any): string
	{
		Loops.forEach(parameters, (value: any, key: string|number): void => {
			if (!['number', 'string'].includes(typeof value)) {
				return;
			}

			content = content.replace(new RegExp('%' + key + '%', 'g'), value);
		});

		return content;
	}

	public stripHtml(content: string): string
	{
		const el = document.createElement('div');
		el.innerHTML = content;
		return el.textContent || el.innerText || '';
	}

	public truncate(content: string, length: number, separator = ' ', ending = '...'): string
	{
		if (content.length <= length) {
			return content;
		}

		return content.substr(0, content.lastIndexOf(separator, length - 3)) + ending;
	}

}

export default new Strings();