/**
|
* Check if an element has a class
|
* @param {HTMLElement} ele
|
* @param {string} cls
|
* @returns {boolean}
|
*/
|
export function hasClass(ele: HTMLElement, cls: string) {
|
return !!ele.className.match(new RegExp("(\\s|^)" + cls + "(\\s|$)"));
|
}
|
|
/**
|
* Add class to element
|
* @param {HTMLElement} ele
|
* @param {string} cls
|
*/
|
export function addClass(ele: HTMLElement, cls: string) {
|
if (!hasClass(ele, cls)) ele.className += " " + cls;
|
}
|
|
/**
|
* Remove class from element
|
* @param {HTMLElement} ele
|
* @param {string} cls
|
*/
|
export function removeClass(ele: HTMLElement, cls: string) {
|
if (hasClass(ele, cls)) {
|
const reg = new RegExp("(\\s|^)" + cls + "(\\s|$)");
|
ele.className = ele.className.replace(reg, " ");
|
}
|
}
|
|
/**
|
* 判断是否是外部链接
|
*
|
* @param {string} path
|
* @returns {Boolean}
|
*/
|
export function isExternal(path: string) {
|
const isExternal = /^(https?:|http?:|mailto:|tel:)/.test(path);
|
return isExternal;
|
}
|
