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42 lines
1002 B
42 lines
1002 B
let Declaration = require('../declaration') |
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class WritingMode extends Declaration { |
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insert(decl, prefix, prefixes) { |
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if (prefix === '-ms-') { |
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let cloned = this.set(this.clone(decl), prefix) |
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if (this.needCascade(decl)) { |
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cloned.raws.before = this.calcBefore(prefixes, decl, prefix) |
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} |
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let direction = 'ltr' |
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decl.parent.nodes.forEach(i => { |
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if (i.prop === 'direction') { |
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if (i.value === 'rtl' || i.value === 'ltr') direction = i.value |
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} |
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}) |
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cloned.value = WritingMode.msValues[direction][decl.value] || decl.value |
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return decl.parent.insertBefore(decl, cloned) |
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} |
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return super.insert(decl, prefix, prefixes) |
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} |
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} |
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WritingMode.names = ['writing-mode'] |
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WritingMode.msValues = { |
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ltr: { |
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'horizontal-tb': 'lr-tb', |
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'vertical-rl': 'tb-rl', |
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'vertical-lr': 'tb-lr' |
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}, |
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rtl: { |
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'horizontal-tb': 'rl-tb', |
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'vertical-rl': 'bt-rl', |
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'vertical-lr': 'bt-lr' |
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} |
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} |
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module.exports = WritingMode
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