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const merge = (oldValue: any, newValue: any) => { | |
if (oldValue === newValue) { | |
return oldValue; | |
} | |
if (typeof oldValue !== "object" || typeof newValue !== "object") { | |
return newValue; | |
} | |
const createdObj: any = {}; | |
let changed = false; | |
for (const key of Object.keys(oldValue)) { |
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import { EventEmitter } from "events"; | |
import * as React from "react"; | |
import { createContext, useContext, useState } from "react"; | |
const useEmitter = <T extends EventEmitter>(emitter: T) => { | |
const [_updateCounter, setUpdateCounter] = useState(() => { | |
let counter = 0; | |
emitter.on("change", () => { | |
setUpdateCounter(++counter); | |
}); |