2020-09-07 17:48:39 +08:00

33 lines
922 B
JavaScript

/**
* Generate a string to be used for HTML id attributes
*
* @param {String} prefix - prefix text for the id. Important because without one, eventually there will be 2 elements with the same id on the same page
* @param {Number} max - range for the random number generator. Defaults to 1,000,000, but can be set higher if necessary.
* @returns {String}
*/
export function randomId(prefix, max = 1000000) {
const rand = Math.ceil(Math.random() * max);
return prefix ? `${escapeForId(prefix)}-${rand}` : rand.toString(10);
}
/**
* Replace characters not allowed for HTML id attributes
*
* @param {String} text
* @returns {String}
*/
export function escapeForId(text) {
if (!text) {
return '';
}
if (typeof text === 'object') {
text = JSON.stringify(text);
} else if (typeof text !== 'string') {
text = String(text);
}
return text.replace(/['"]/gm, '').replace(/[\s'"]/gm, '-');
}