Created
August 18, 2024 22:08
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| import b from 'benny'; | |
| import { input, theme } from './data' | |
| function slowMatch(objects: typeof input) { | |
| const variants = theme.variants | |
| const result = [] | |
| for (let i = 0; i < objects.length; i++) { | |
| const props = objects[i] as any | |
| const styles = [] | |
| variantLoop: for (let i = 0; i < variants.length; i += 1) { | |
| const variant = variants[i]; | |
| const variantProps = variant.props as any; | |
| for (const key in variantProps) { | |
| if (props[key] !== variantProps[key] && props.ownerState?.[key] !== variantProps[key]) { | |
| continue variantLoop; | |
| } | |
| } | |
| styles.push(variant.style); | |
| } | |
| result.push(styles) | |
| } | |
| return result | |
| } | |
| const interestProps = | |
| Array.from( | |
| new Set(theme.variants.flatMap(v => Object.keys(v.props))) | |
| ) | |
| const e = (v: any) => { | |
| // XXX: undefined, functions, objects | |
| return JSON.stringify(v) | |
| } | |
| theme.variants.forEach(v => { | |
| const matches = eval(`(function matches(props, ownerState) { | |
| return (${Object.entries(v.props).map(([key, value]) => | |
| `(props[${e(key)}] === ${e(value)} || ownerState[${e(key)}] === ${e(value)})` | |
| ).join(' && ')}) | |
| })`); | |
| (v as any).matches = matches | |
| }) | |
| function fastMatch(objects: typeof input) { | |
| const variants = theme.variants | |
| const result = [] | |
| for (let i = 0; i < objects.length; i++) { | |
| const props = objects[i] as any | |
| const styles = [] | |
| for (let i = 0; i < variants.length; i += 1) { | |
| const variant = variants[i]; | |
| if (!(variant as any).matches(props, props.ownerState ?? {})) { | |
| continue | |
| } | |
| styles.push(variant.style); | |
| } | |
| result.push(styles) | |
| } | |
| return result | |
| } | |
| console.log(slowMatch(input)) | |
| console.log(fastMatch(input)) | |
| b.suite( | |
| 'Benchmark playground', | |
| b.add('slowMatch', () => { | |
| slowMatch(input) | |
| }), | |
| b.add('fastMatch()', () => { | |
| fastMatch(input) | |
| }), | |
| b.cycle(), | |
| b.complete() | |
| ); |
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