BetterDiscordApp-rauenzi/renderer/src/modules/api/reactutils.js

84 lines
3.5 KiB
JavaScript

import DiscordModules from "@modules//discordmodules";
/**
* `ReactUtils` is a utility class for interacting with React internals. Instance is accessible through the {@link BdApi}.
* This is extremely useful for interacting with the internals of the UI.
* @type ReactUtils
* @summary {@link ReactUtils} is a utility class for interacting with React internals.
* @name ReactUtils
*/
const ReactUtils = {
get rootInstance() {return document.getElementById("app-mount")?._reactRootContainer?._internalRoot?.current;},
/**
* Gets the internal React data of a specified node.
*
* @param {HTMLElement} node Node to get the internal React data from
* @returns {object|undefined} Either the found data or `undefined`
*/
getInternalInstance(node) {
if (node.__reactFiber$) return node.__reactFiber$;
return node[Object.keys(node).find(k => k.startsWith("__reactInternalInstance") || k.startsWith("__reactFiber"))] || null;
},
/**
* Attempts to find the "owner" node to the current node. This is generally
* a node with a `stateNode` - a class component.
*
* @param {HTMLElement} node Node to obtain React instance of
* @param {object} options Options for the search
* @param {array} [options.include] List of items to include in the search
* @param {array} [options.exclude=["Popout", "Tooltip", "Scroller", "BackgroundFlash"]] List of items to exclude from the search.
* @param {callable} [options.filter=_=>_] Filter to check the current instance with (should return a boolean)
* @return {object|undefined} The owner instance or `undefined` if not found
*/
getOwnerInstance(node, {include, exclude = ["Popout", "Tooltip", "Scroller", "BackgroundFlash"], filter = _ => _} = {}) {
if (node === undefined) return undefined;
const excluding = include === undefined;
const nameFilter = excluding ? exclude : include;
function getDisplayName(owner) {
const type = owner.type;
if (!type) return null;
return type.displayName || type.name || null;
}
function classFilter(owner) {
const name = getDisplayName(owner);
return (name !== null && !!(nameFilter.includes(name) ^ excluding));
}
let curr = ReactUtils.getInternalInstance(node);
for (curr = curr && curr.return; curr !== null; curr = curr.return) {
if (curr === null) continue;
const owner = curr.stateNode;
if (owner !== null && !(owner instanceof HTMLElement) && classFilter(curr) && filter(owner)) return owner;
}
return null;
},
/**
* Creates an unrendered React component that wraps HTML elements.
*
* @param {HTMLElement} element Element or array of elements to wrap
* @returns {object} Unrendered React component
*/
wrapElement(element) {
return class ReactWrapper extends DiscordModules.React.Component {
constructor(props) {
super(props);
this.element = element;
this.state = {hasError: false};
}
componentDidCatch() {this.setState({hasError: true});}
componentDidMount() {this.refs.element.appendChild(this.element);}
render() {return this.state.hasError ? null : DiscordModules.React.createElement("div", {className: "react-wrapper", ref: "element"});}
};
}
};
Object.freeze(ReactUtils);
export default ReactUtils;