105 lines
2.7 KiB
Plaintext
105 lines
2.7 KiB
Plaintext
const arbitraryValueRegex = /^\[(?:([a-z-]+):)?(.+)\]$/i
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const fractionRegex = /^\d+\/\d+$/
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const stringLengths = new Set(['px', 'full', 'screen'])
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const tshirtUnitRegex = /^(\d+(\.\d+)?)?(xs|sm|md|lg|xl)$/
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const lengthUnitRegex =
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/\d+(%|px|r?em|[sdl]?v([hwib]|min|max)|pt|pc|in|cm|mm|cap|ch|ex|r?lh|cq(w|h|i|b|min|max))|\b(calc|min|max|clamp)\(.+\)|^0$/
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// Shadow always begins with x and y offset separated by underscore
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const shadowRegex = /^-?((\d+)?\.?(\d+)[a-z]+|0)_-?((\d+)?\.?(\d+)[a-z]+|0)/
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export function isLength(value: string) {
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return (
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isNumber(value) ||
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stringLengths.has(value) ||
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fractionRegex.test(value) ||
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isArbitraryLength(value)
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)
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}
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export function isArbitraryLength(value: string) {
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return getIsArbitraryValue(value, 'length', isLengthOnly)
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}
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export function isArbitrarySize(value: string) {
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return getIsArbitraryValue(value, 'size', isNever)
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}
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export function isArbitraryPosition(value: string) {
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return getIsArbitraryValue(value, 'position', isNever)
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}
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export function isArbitraryUrl(value: string) {
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return getIsArbitraryValue(value, 'url', isUrl)
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}
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export function isArbitraryNumber(value: string) {
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return getIsArbitraryValue(value, 'number', isNumber)
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}
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/**
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* @deprecated Will be removed in next major version. Use `isArbitraryNumber` instead.
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*/
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export const isArbitraryWeight = isArbitraryNumber
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export function isNumber(value: string) {
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return !Number.isNaN(Number(value))
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}
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export function isPercent(value: string) {
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return value.endsWith('%') && isNumber(value.slice(0, -1))
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}
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export function isInteger(value: string) {
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return isIntegerOnly(value) || getIsArbitraryValue(value, 'number', isIntegerOnly)
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}
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export function isArbitraryValue(value: string) {
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return arbitraryValueRegex.test(value)
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}
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export function isAny() {
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return true
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}
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export function isTshirtSize(value: string) {
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return tshirtUnitRegex.test(value)
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}
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export function isArbitraryShadow(value: string) {
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return getIsArbitraryValue(value, '', isShadow)
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}
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function getIsArbitraryValue(value: string, label: string, testValue: (value: string) => boolean) {
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const result = arbitraryValueRegex.exec(value)
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if (result) {
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if (result[1]) {
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return result[1] === label
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}
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return testValue(result[2]!)
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}
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return false
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}
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function isLengthOnly(value: string) {
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return lengthUnitRegex.test(value)
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}
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function isNever() {
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return false
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}
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function isUrl(value: string) {
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return value.startsWith('url(')
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}
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function isIntegerOnly(value: string) {
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return Number.isInteger(Number(value))
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}
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function isShadow(value: string) {
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return shadowRegex.test(value)
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}
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