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Code Issues Releases Wiki Activity

Avoid showing unnecessary JS errors when there are elements with different origin on the page (#29081)

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Try to fix #29080
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wxiaoguang 2024-02-08 10:42:18 +08:00 committed by GitHub
parent b6bf8041d8
commit f290c24d28
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3 changed files with 19 additions and 9 deletions
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5
web_src/js/modules/dirauto.js
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@ -1,5 +1,6 @@
// for performance considerations, it only uses performant syntax
import {isDocumentFragmentOrElementNode} from '../utils/dom.js';
// for performance considerations, it only uses performant syntax
function attachDirAuto(el) {
if (el.type !== 'hidden' &&
el.type !== 'checkbox' &&
@ -18,7 +19,7 @@ export function initDirAuto() {
const len = mutation.addedNodes.length;
for (let i = 0; i < len; i++) {
const addedNode = mutation.addedNodes[i];
if (addedNode.nodeType !== Node.ELEMENT_NODE && addedNode.nodeType !== Node.DOCUMENT_FRAGMENT_NODE) continue;
if (!isDocumentFragmentOrElementNode(addedNode)) continue;
if (addedNode.nodeName === 'INPUT' || addedNode.nodeName === 'TEXTAREA') attachDirAuto(addedNode);
const children = addedNode.querySelectorAll('input, textarea');
const len = children.length;

6
web_src/js/modules/tippy.js
View file

@ -1,4 +1,5 @@
import tippy, {followCursor} from 'tippy.js';
import {isDocumentFragmentOrElementNode} from '../utils/dom.js';
const visibleInstances = new Set();
@ -136,8 +137,6 @@ function attachChildrenLazyTooltip(target) {
}
}
const elementNodeTypes = new Set([Node.ELEMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE]);
export function initGlobalTooltips() {
// use MutationObserver to detect new "data-tooltip-content" elements added to the DOM, or attributes changed
const observerConnect = (observer) => observer.observe(document, {
@ -152,13 +151,12 @@ export function initGlobalTooltips() {
if (mutation.type === 'childList') {
// mainly for Vue components and AJAX rendered elements
for (const el of mutation.addedNodes) {
if (elementNodeTypes.has(el.nodeType)) {
if (!isDocumentFragmentOrElementNode(el)) continue;
attachChildrenLazyTooltip(el);
if (el.hasAttribute('data-tooltip-content')) {
attachLazyTooltip(el);
}
}
}
} else if (mutation.type === 'attributes') {
attachTooltip(mutation.target);
}

11
web_src/js/utils/dom.js
View file

@ -59,6 +59,17 @@ export function onDomReady(cb) {
}
}
// checks whether an element is owned by the current document, and whether it is a document fragment or element node
// if it is, it means it is a "normal" element managed by us, which can be modified safely.
export function isDocumentFragmentOrElementNode(el) {
try {
return el.ownerDocument === document && el.nodeType === Node.ELEMENT_NODE || el.nodeType === Node.DOCUMENT_FRAGMENT_NODE;
} catch {
// in case the el is not in the same origin, then the access to nodeType would fail
return false;
}
}
// autosize a textarea to fit content. Based on
// https://github.com/github/textarea-autosize
// ---------------------------------------------------------------------