Created
January 3, 2019 19:10
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Build your own design system
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import React from "react"; | |
import styled, { ThemeProvider } from "styled-components"; | |
import { style, typography } from "@material-ui/system"; | |
const variant = style({ | |
prop: "variant", | |
cssProperty: false, | |
themeKey: "typography" | |
}); | |
// ⚠ Text is already defined in the global context: | |
// https://developer.mozilla.org/en-US/docs/Web/API/Text/Text. | |
const Text = styled.span` | |
font-family: Helvetica; | |
${variant} | |
${typography} | |
`; | |
const theme = { | |
typography: { | |
h1: { | |
fontSize: 30, | |
lineHeight: 1.5 | |
}, | |
h2: { | |
fontSize: 25, | |
lineHeight: 1.5 | |
} | |
} | |
}; | |
function Variant() { | |
return ( | |
<ThemeProvider theme={theme}> | |
<React.Fragment> | |
<Text variant="h1" as="div"> | |
variant=h1 | |
</Text> | |
<Text variant="h1" fontWeight={300} as="div"> | |
fontWeight=300 | |
</Text> | |
<Text variant="h2" as="div"> | |
variant=h2 | |
</Text> | |
</React.Fragment> | |
</ThemeProvider> | |
); | |
} | |
export default Variant; |
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