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27 lines
801 B
27 lines
801 B
1 year ago
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import ThemeCache from './ThemeCache';
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import Theme from './Theme';
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import type { DerivativeFunc, TokenType } from './interface';
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const cacheThemes = new ThemeCache();
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/**
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* Same as new Theme, but will always return same one if `derivative` not changed.
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*/
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export default function createTheme<
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DesignToken extends TokenType,
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DerivativeToken extends TokenType,
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>(
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derivatives:
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| DerivativeFunc<DesignToken, DerivativeToken>[]
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| DerivativeFunc<DesignToken, DerivativeToken>,
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) {
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const derivativeArr = Array.isArray(derivatives) ? derivatives : [derivatives];
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// Create new theme if not exist
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if (!cacheThemes.has(derivativeArr)) {
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cacheThemes.set(derivativeArr, new Theme(derivativeArr));
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}
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// Get theme from cache and return
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return cacheThemes.get(derivativeArr)!;
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}
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