18 lines
624 B
TypeScript
18 lines
624 B
TypeScript
import { DefaultThemeGroupIds, NoInfer, ThemeGetter, ThemeObject } from './types'
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const fallbackThemeArr: ThemeObject<DefaultThemeGroupIds>[DefaultThemeGroupIds] = []
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export const fromTheme = <
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AdditionalThemeGroupIds extends string = never,
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DefaultThemeGroupIdsInner extends string = DefaultThemeGroupIds,
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>(
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key: NoInfer<DefaultThemeGroupIdsInner | AdditionalThemeGroupIds>,
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): ThemeGetter => {
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const themeGetter = (theme: ThemeObject<DefaultThemeGroupIdsInner | AdditionalThemeGroupIds>) =>
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theme[key] || fallbackThemeArr
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themeGetter.isThemeGetter = true as const
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return themeGetter
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}
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