2018-03-08 09:40:29 +01:00
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/**
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* BetterDiscord Reflection Module
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* Copyright (c) 2015-present Jiiks/JsSucks - https://github.com/Jiiks / https://github.com/JsSucks
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* All rights reserved.
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* https://betterdiscord.net
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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2018-03-08 09:59:51 +01:00
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class Reflection {
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2018-03-08 09:40:29 +01:00
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static reactInternalInstance(node) {
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if (!Object.keys(node) || !Object.keys(node).length) return null;
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const riiKey = Object.keys(node).find(k => k.startsWith('__reactInternalInstance'));
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return riiKey ? node[riiKey] : null;
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}
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static findProp(node, prop) {
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const ii = this.reactInternalInstance(node);
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if (!ii) return null;
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const fir = this.findInReturn(ii, prop);
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if (fir) return fir;
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return null;
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}
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static findInReturn(internalInstance, prop) {
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const r = internalInstance.return;
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if (!r) return null;
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const find = this.findMemoizedProp(r, prop);
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if (find) return find;
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return this.findMemoizedState(r, prop);
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}
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static findMemoizedProp(obj, prop) {
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if (!obj.hasOwnProperty('memoizedProps')) return null;
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obj = obj.memoizedProps;
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return this.findPropIn(obj, prop);
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}
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static findMemoizedState(obj, prop) {
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if (!obj.hasOwnProperty('memoizedState')) return null;
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obj = obj.memoizedState;
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return this.findPropIn(obj, prop);
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}
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static findPropIn(obj, prop) {
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if (obj && !(obj instanceof Array) && obj instanceof Object && obj.hasOwnProperty(prop)) return obj[prop];
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if (obj && obj instanceof Array) {
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const found = obj.find(mp => {
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if (mp.props && mp.props.hasOwnProperty(prop)) return true;
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});
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if (found) return found;
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}
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return null;
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}
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}
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2018-03-08 09:59:51 +01:00
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export default function (node) {
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return new class Reflect {
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constructor(node) {
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if ('string' === typeof node) node = document.querySelector(node);
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this.node = this.el = this.element = node;
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}
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get props() {
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return 'not yet implemented';
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}
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get reactInternalInstance() {
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return Reflection.reactInternalInstance(this.node);
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}
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prop(propName) {
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return Reflection.findProp(this.node, propName);
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}
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}(node);
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}
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