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49 lines
1.0 KiB
49 lines
1.0 KiB
let flexSpec = require('./flex-spec') |
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let Declaration = require('../declaration') |
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class AlignContent extends Declaration { |
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/** |
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* Change property name for 2012 spec |
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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 === 2012) { |
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return prefix + 'flex-line-pack' |
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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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* Return property name by final spec |
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*/ |
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normalize() { |
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return 'align-content' |
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} |
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/** |
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* Change value for 2012 spec and ignore prefix for 2009 |
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*/ |
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set(decl, prefix) { |
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let spec = flexSpec(prefix)[0] |
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if (spec === 2012) { |
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decl.value = AlignContent.oldValues[decl.value] || decl.value |
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return super.set(decl, prefix) |
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} |
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if (spec === 'final') { |
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return super.set(decl, prefix) |
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} |
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return undefined |
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} |
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} |
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AlignContent.names = ['align-content', 'flex-line-pack'] |
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AlignContent.oldValues = { |
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'flex-end': 'end', |
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'flex-start': 'start', |
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'space-between': 'justify', |
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'space-around': 'distribute' |
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} |
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module.exports = AlignContent
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