om/node_modules/vuetify/lib/mixins/detachable.js

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import Bootable from './bootable';
import { consoleWarn } from '../util/console';
function validateAttachTarget(val) {
    var type = typeof val === 'undefined' ? 'undefined' : _typeof(val);
    if (type === 'boolean' || type === 'string') return true;
    return val.nodeType === Node.ELEMENT_NODE;
}
/* @vue/component */
export default {
    name: 'detachable',
    mixins: [Bootable],
    props: {
        attach: {
            type: null,
            default: false,
            validator: validateAttachTarget
        },
        contentClass: {
            default: ''
        }
    },
    data: function data() {
        return {
            hasDetached: false
        };
    },
    watch: {
        attach: function attach() {
            this.hasDetached = false;
            this.initDetach();
        },

        hasContent: 'initDetach'
    },
    beforeMount: function beforeMount() {
        var _this = this;

        this.$nextTick(function () {
            if (_this.activatorNode) {
                var activator = Array.isArray(_this.activatorNode) ? _this.activatorNode : [_this.activatorNode];
                activator.forEach(function (node) {
                    node.elm && _this.$el.parentNode.insertBefore(node.elm, _this.$el);
                });
            }
        });
    },
    mounted: function mounted() {
        !this.lazy && this.initDetach();
    },
    deactivated: function deactivated() {
        this.isActive = false;
    },
    beforeDestroy: function beforeDestroy() {
        // IE11 Fix
        try {
            if (this.$refs.content) {
                this.$refs.content.parentNode.removeChild(this.$refs.content);
            }
            if (this.activatorNode) {
                var activator = Array.isArray(this.activatorNode) ? this.activatorNode : [this.activatorNode];
                activator.forEach(function (node) {
                    node.elm && node.elm.parentNode.removeChild(node.elm);
                });
            }
        } catch (e) {
            console.log(e);
        }
    },

    methods: {
        getScopeIdAttrs: function getScopeIdAttrs() {
            var scopeId = this.$vnode && this.$vnode.context.$options._scopeId;
            return scopeId && _defineProperty({}, scopeId, '');
        },
        initDetach: function initDetach() {
            if (this._isDestroyed || !this.$refs.content || this.hasDetached ||
            // Leave menu in place if attached
            // and dev has not changed target
            this.attach === '' || // If used as a boolean prop (<v-menu attach>)
            this.attach === true || // If bound to a boolean (<v-menu :attach="true">)
            this.attach === 'attach' // If bound as boolean prop in pug (v-menu(attach))
            ) return;
            var target = void 0;
            if (this.attach === false) {
                // Default, detach to app
                target = document.querySelector('[data-app]');
            } else if (typeof this.attach === 'string') {
                // CSS selector
                target = document.querySelector(this.attach);
            } else {
                // DOM Element
                target = this.attach;
            }
            if (!target) {
                consoleWarn('Unable to locate target ' + (this.attach || '[data-app]'), this);
                return;
            }
            target.insertBefore(this.$refs.content, target.firstChild);
            this.hasDetached = true;
        }
    }
};
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