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35 lines
1002 B
JavaScript
35 lines
1002 B
JavaScript
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import _extends from "@babel/runtime/helpers/esm/extends";
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import merge from './merge';
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function compose(...styles) {
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const fn = props => styles.reduce((acc, style) => {
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const output = style(props);
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if (output) {
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return merge(acc, output);
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}
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return acc;
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}, {}); // Alternative approach that doesn't yield any performance gain.
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// const handlers = styles.reduce((acc, style) => {
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// style.filterProps.forEach(prop => {
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// acc[prop] = style;
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// });
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// return acc;
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// }, {});
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// const fn = props => {
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// return Object.keys(props).reduce((acc, prop) => {
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// if (handlers[prop]) {
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// return merge(acc, handlers[prop](props));
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// }
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// return acc;
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// }, {});
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// };
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fn.propTypes = process.env.NODE_ENV !== 'production' ? styles.reduce((acc, style) => _extends(acc, style.propTypes), {}) : {};
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fn.filterProps = styles.reduce((acc, style) => acc.concat(style.filterProps), []);
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return fn;
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}
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export default compose;
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