usecontext hook
import React, { useContext } from "react";
import ColorContext from "./colorcontex.ts";
const MyComponent = () => {
const colors = useContext(ColorContext);
return <div style={{ backgroundColor: colors.blue }}>...</div>;
};import React, { useContext } from "react";
const MyComponent = () => {
const colors = useContext(ColorContext);
return <div style={{ backgroundColor: colors.blue }}>...</div>;
};Context hook
const themes = {
light: {
foreground: "#000000",
background: "#eeeeee"
},
dark: {
foreground: "#ffffff",
background: "#222222"
}
};
const ThemeContext = React.createContext(themes.light);
function App() {
return (
<ThemeContext.Provider value={themes.dark}>
<Toolbar />
</ThemeContext.Provider>
);
}
function Toolbar(props) {
return (
<div>
<ThemedButton />
</div>
);
}
function ThemedButton() {
const theme = useContext(ThemeContext); return ( <button style={{ background: theme.background, color: theme.foreground }}> I am styled by theme context! </button> );
}Copyright © 2021 Codeinu
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