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37 lines
886 B
37 lines
886 B
3 years ago
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"use strict";
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exports.__esModule = true;
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exports["default"] = getValueAndUnit;
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var cssRegex = /^([+-]?(?:\d+|\d*\.\d+))([a-z]*|%)$/;
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/**
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* Returns a given CSS value and its unit as elements of an array.
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*
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* @example
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* // Styles as object usage
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* const styles = {
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* '--dimension': getValueAndUnit('100px')[0],
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* '--unit': getValueAndUnit('100px')[1],
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* }
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*
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* // styled-components usage
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* const div = styled.div`
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* --dimension: ${getValueAndUnit('100px')[0]};
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* --unit: ${getValueAndUnit('100px')[1]};
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* `
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*
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* // CSS in JS Output
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*
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* element {
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* '--dimension': 100,
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* '--unit': 'px',
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* }
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*/
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function getValueAndUnit(value) {
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if (typeof value !== 'string') return [value, ''];
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var matchedValue = value.match(cssRegex);
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if (matchedValue) return [parseFloat(value), matchedValue[2]];
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return [value, undefined];
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}
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module.exports = exports.default;
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