vue-antd-ui
Version:
An enterprise-class UI design language and Vue-based implementation
65 lines (61 loc) • 1.48 kB
JavaScript
/* @flow */
/**
* Add class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
export function addClass(el, cls) {
/* istanbul ignore if */
if (!cls || !(cls = cls.trim())) {
return;
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(/\s+/).forEach(function (c) {
return el.classList.add(c);
});
} else {
el.classList.add(cls);
}
} else {
var cur = ' ' + (el.getAttribute('class') || '') + ' ';
if (cur.indexOf(' ' + cls + ' ') < 0) {
el.setAttribute('class', (cur + cls).trim());
}
}
}
/**
* Remove class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
export function removeClass(el, cls) {
/* istanbul ignore if */
if (!cls || !(cls = cls.trim())) {
return;
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(/\s+/).forEach(function (c) {
return el.classList.remove(c);
});
} else {
el.classList.remove(cls);
}
if (!el.classList.length) {
el.removeAttribute('class');
}
} else {
var cur = ' ' + (el.getAttribute('class') || '') + ' ';
var tar = ' ' + cls + ' ';
while (cur.indexOf(tar) >= 0) {
cur = cur.replace(tar, ' ');
}
cur = cur.trim();
if (cur) {
el.setAttribute('class', cur);
} else {
el.removeAttribute('class');
}
}
}