name : grid-row-column.js let Declaration = require('../declaration') let utils = require('./grid-utils') class GridRowColumn extends Declaration { /** * Translate grid-row / grid-column to separate -ms- prefixed properties */ insert(decl, prefix, prefixes) { if (prefix !== '-ms-') return super.insert(decl, prefix, prefixes) let values = utils.parse(decl) let [start, span] = utils.translate(values, 0, 1) let hasStartValueSpan = values[0] && values[0].includes('span') if (hasStartValueSpan) { span = values[0].join('').replace(/\D/g, '') } ;[ [decl.prop, start], [`${decl.prop}-span`, span] ].forEach(([prop, value]) => { utils.insertDecl(decl, prop, value) }) return undefined } } GridRowColumn.names = ['grid-row', 'grid-column'] module.exports = GridRowColumn