@gitlab/ui
Version:
GitLab UI Components
37 lines (33 loc) • 1.2 kB
JavaScript
import Vue from 'vue';
// Fragment will be available only in Vue.js 3
const {
Fragment,
Comment,
Text
} = Vue;
function isVnodeEmpty(vnode) {
if (!vnode || Comment && vnode.type === Comment) {
return true;
}
if (Text && vnode.type === Text && !vnode.children.trim()) {
// Vue.js 3 text string is located in the children
return true;
}
if (Array.isArray(vnode)) {
// eslint-disable-next-line unicorn/no-array-callback-reference
return vnode.every(isVnodeEmpty);
}
if (Fragment && vnode.type === Fragment) {
// Vue.js 3 fragment, check children
// eslint-disable-next-line unicorn/no-array-callback-reference
return vnode.children.every(isVnodeEmpty);
}
return false;
}
function isSlotEmpty(vueInstance, slot, slotArgs) {
var _vueInstance$$scopedS, _vueInstance$$scopedS2;
const slotContent = (_vueInstance$$scopedS = (_vueInstance$$scopedS2 = vueInstance.$scopedSlots)[slot]) === null || _vueInstance$$scopedS === void 0 ? void 0 : _vueInstance$$scopedS.call(_vueInstance$$scopedS2, slotArgs);
// eslint-disable-next-line unicorn/no-array-callback-reference
return isVnodeEmpty(slotContent);
}
export { isSlotEmpty, isVnodeEmpty };