let flexSpec = require('./flex-spec')
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let Declaration = require('../declaration')
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class Flex extends Declaration {
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/**
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* Return property name by final spec
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*/
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normalize() {
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return 'flex'
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}
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/**
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* Return flex property for 2009 and 2012 specs
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*/
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prefixed(prop, prefix) {
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let spec
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;[spec, prefix] = flexSpec(prefix)
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if (spec === 2009) {
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return prefix + 'box-flex'
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}
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if (spec === 2012) {
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return prefix + 'flex-positive'
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}
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return super.prefixed(prop, prefix)
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}
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}
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Flex.names = ['flex-grow', 'flex-positive']
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module.exports = Flex
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