//// utils.js//// Created by David Back on 19 Nov 2018// Copyright 2016 High Fidelity, Inc.//// Distributed under the Apache License, Version 2.0.// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// function disableDragDrop() { document.addEventListener("drop", function(event) { event.preventDefault(); }); document.addEventListener("dragover", function(event) { event.dataTransfer.effectAllowed = "none"; event.dataTransfer.dropEffect = "none"; event.preventDefault(); }); document.addEventListener("dragenter", function(event) { event.dataTransfer.effectAllowed = "none"; event.dataTransfer.dropEffect = "none"; event.preventDefault(); }, false);} // mergeDeep function from https://stackoverflow.com/a/34749873/** * Simple object check. * @param item * @returns {boolean} */function mergeDeepIsObject(item) { return (item && typeof item === 'object' && !Array.isArray(item));} /** * Deep merge two objects. * @param target * @param sources */function mergeDeep(target, ...sources) { if (!sources.length) { return target; } const source = sources.shift(); if (mergeDeepIsObject(target) && mergeDeepIsObject(source)) { for (const key in source) { if (!source.hasOwnProperty(key)) { continue; } if (mergeDeepIsObject(source[key])) { if (!target[key]) { Object.assign(target, { [key]: {} }); } mergeDeep(target[key], source[key]); } else { Object.assign(target, { [key]: source[key] }); } } } return mergeDeep(target, ...sources);} function deepEqual(a, b) { if (a === b) { return true; } if (typeof(a) !== "object" || typeof(b) !== "object") { return false; } if (Object.keys(a).length !== Object.keys(b).length) { return false; } for (let property in a) { if (!a.hasOwnProperty(property)) { continue; } if (!b.hasOwnProperty(property)) { return false; } if (!deepEqual(a[property], b[property])) { return false; } } return true;}
//
// utils.js
//
// Created by David Back on 19 Nov 2018
// Copyright 2016 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
function disableDragDrop() {
document.addEventListener("drop", function(event) {
event.preventDefault();
});
document.addEventListener("dragover", function(event) {
event.dataTransfer.effectAllowed = "none";
event.dataTransfer.dropEffect = "none";
event.preventDefault();
});
document.addEventListener("dragenter", function(event) {
event.dataTransfer.effectAllowed = "none";
event.dataTransfer.dropEffect = "none";
event.preventDefault();
}, false);
}
// mergeDeep function from https://stackoverflow.com/a/34749873
/**
* Simple object check.
* @param item
* @returns {boolean}
*/
function mergeDeepIsObject(item) {
return (item && typeof item === 'object' && !Array.isArray(item));
}
/**
* Deep merge two objects.
* @param target
* @param sources
*/
function mergeDeep(target, ...sources) {
if (!sources.length) {
return target;
}
const source = sources.shift();
if (mergeDeepIsObject(target) && mergeDeepIsObject(source)) {
for (const key in source) {
if (!source.hasOwnProperty(key)) {
continue;
}
if (mergeDeepIsObject(source[key])) {
if (!target[key]) {
Object.assign(target, { [key]: {} });
}
mergeDeep(target[key], source[key]);
} else {
Object.assign(target, { [key]: source[key] });
}
}
}
return mergeDeep(target, ...sources);
}
function deepEqual(a, b) {
if (a === b) {
return true;
}
if (typeof(a) !== "object" || typeof(b) !== "object") {
return false;
}
if (Object.keys(a).length !== Object.keys(b).length) {
return false;
}
for (let property in a) {
if (!a.hasOwnProperty(property)) {
continue;
}
if (!b.hasOwnProperty(property)) {
return false;
}
if (!deepEqual(a[property], b[property])) {
return false;
}
}
return true;
}