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- import warning from '../../warning';
- let uuid = 0;
- /**
- * Theme with algorithms to derive tokens from design tokens.
- * Use `createTheme` first which will help to manage the theme instance cache.
- */
- export default class Theme {
- constructor(derivatives) {
- this.derivatives = Array.isArray(derivatives) ? derivatives : [derivatives];
- this.id = uuid;
- if (derivatives.length === 0) {
- warning(derivatives.length > 0, '[Ant Design Vue CSS-in-JS] Theme should have at least one derivative function.');
- }
- uuid += 1;
- }
- getDerivativeToken(token) {
- return this.derivatives.reduce((result, derivative) => derivative(token, result), undefined);
- }
- }
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