plyr/src/js/utils/strings.js
2018-06-13 00:48:42 +10:00

83 lines
2.3 KiB
JavaScript

// ==========================================================================
// String utils
// ==========================================================================
import is from './is';
// Generate a random ID
export function generateId(prefix) {
return `${prefix}-${Math.floor(Math.random() * 10000)}`;
}
// Format string
export function format(input, ...args) {
if (is.empty(input)) {
return input;
}
return input.toString().replace(/{(\d+)}/g, (match, i) => args[i].toString());
}
// Get percentage
export function getPercentage(current, max) {
if (current === 0 || max === 0 || Number.isNaN(current) || Number.isNaN(max)) {
return 0;
}
return (current / max * 100).toFixed(2);
}
// Replace all occurances of a string in a string
export function replaceAll(input = '', find = '', replace = '') {
return input.replace(new RegExp(find.toString().replace(/([.*+?^=!:${}()|[\]/\\])/g, '\\$1'), 'g'), replace.toString());
}
// Convert to title case
export function toTitleCase(input = '') {
return input.toString().replace(/\w\S*/g, text => text.charAt(0).toUpperCase() + text.substr(1).toLowerCase());
}
// Convert string to pascalCase
export function toPascalCase(input = '') {
let string = input.toString();
// Convert kebab case
string = replaceAll(string, '-', ' ');
// Convert snake case
string = replaceAll(string, '_', ' ');
// Convert to title case
string = toTitleCase(string);
// Convert to pascal case
return replaceAll(string, ' ', '');
}
// Convert string to pascalCase
export function toCamelCase(input = '') {
let string = input.toString();
// Convert to pascal case
string = toPascalCase(string);
// Convert first character to lowercase
return string.charAt(0).toLowerCase() + string.slice(1);
}
// Remove HTML from a string
export function stripHTML(source) {
const fragment = document.createDocumentFragment();
const element = document.createElement('div');
fragment.appendChild(element);
element.innerHTML = source;
return fragment.firstChild.innerText;
}
// Like outerHTML, but also works for DocumentFragment
export function getHTML(element) {
const wrapper = document.createElement('div');
wrapper.appendChild(element);
return wrapper.innerHTML;
}