name : block-logical.js let Declaration = require('../declaration') class BlockLogical extends Declaration { /** * Use old syntax for -moz- and -webkit- */ prefixed(prop, prefix) { if (prop.includes('-start')) { return prefix + prop.replace('-block-start', '-before') } return prefix + prop.replace('-block-end', '-after') } /** * Return property name by spec */ normalize(prop) { if (prop.includes('-before')) { return prop.replace('-before', '-block-start') } return prop.replace('-after', '-block-end') } } BlockLogical.names = [ 'border-block-start', 'border-block-end', 'margin-block-start', 'margin-block-end', 'padding-block-start', 'padding-block-end', 'border-before', 'border-after', 'margin-before', 'margin-after', 'padding-before', 'padding-after' ] module.exports = BlockLogical