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node_modules/tailwindcss/src/util/validateFormalSyntax.js
34 строки
1020 B
1lostsun
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05 май 2025, 11:35
05 май 2025, 11:35
fe8f535
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import { length, percentage } from './dataTypes' import { splitAtTopLevelOnly } from './splitAtTopLevelOnly' /** * * https://developer.mozilla.org/en-US/docs/Web/CSS/background-size#formal_syntax * * background-size = * <bg-size># * * <bg-size> = * [ <length-percentage [0,∞]> | auto ]{1,2} | * cover | * contain * * <length-percentage> = * <length> | * <percentage> * * @param {string} value */ export function backgroundSize(value) { let keywordValues = ['cover', 'contain'] // the <length-percentage> type will probably be a css function // so we have to use `splitAtTopLevelOnly` return splitAtTopLevelOnly(value, ',').every((part) => { let sizes = splitAtTopLevelOnly(part, '_').filter(Boolean) if (sizes.length === 1 && keywordValues.includes(sizes[0])) return true if (sizes.length !== 1 && sizes.length !== 2) return false return sizes.every((size) => length(size) || percentage(size) || size === 'auto') }) }