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rOACCT/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js
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find-component-in.js
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			var configuration = require('../../configuration');

			function findComponentIn(shorthand, longhand) {
			var comparator = nameComparator(longhand);

			return findInDirectComponents(shorthand, comparator) \|\| findInSubComponents(shorthand, comparator);
			}

			function nameComparator(to) {
			return function(property) {
			return to.name === property.name;
			};
			}

			function findInDirectComponents(shorthand, comparator) {
			return shorthand.components.filter(comparator)[0];
			}

			function findInSubComponents(shorthand, comparator) {
			var shorthandComponent;
			var longhandMatch;
			var i, l;

			if (!configuration[shorthand.name].shorthandComponents) {
			return;
			}

			for (i = 0, l = shorthand.components.length; i < l; i++) {
			shorthandComponent = shorthand.components[i];
			longhandMatch = findInDirectComponents(shorthandComponent, comparator);

			if (longhandMatch) {
			return longhandMatch;
			}
			}
			}

			module.exports = findComponentIn;