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let Declaration = require('../declaration')
let {
parseGridAreas,
warnMissedAreas,
prefixTrackProp,
prefixTrackValue,
getGridGap,
warnGridGap,
inheritGridGap
} = require('./grid-utils')
function getGridRows(tpl) {
return tpl
.trim()
.slice(1, -1)
.split(/["']\s*["']?/g)
}
class GridTemplateAreas extends Declaration {
/**
* Translate grid-template-areas to separate -ms- prefixed properties
*/
insert(decl, prefix, prefixes, result) {
if (prefix !== '-ms-') return super.insert(decl, prefix, prefixes)
let hasColumns = false
let hasRows = false
let parent = decl.parent
let gap = getGridGap(decl)
gap = inheritGridGap(decl, gap) || gap
// remove already prefixed rows
// to prevent doubling prefixes
parent.walkDecls(/-ms-grid-rows/, i => i.remove())
// add empty tracks to rows
parent.walkDecls(/grid-template-(rows|columns)/, trackDecl => {
if (trackDecl.prop === 'grid-template-rows') {
hasRows = true
let { prop, value } = trackDecl
trackDecl.cloneBefore({
prop: prefixTrackProp({ prop, prefix }),
value: prefixTrackValue({ value, gap: gap.row })
})
} else {
hasColumns = true
}
})
let gridRows = getGridRows(decl.value)
if (hasColumns && !hasRows && gap.row && gridRows.length > 1) {
decl.cloneBefore({
prop: '-ms-grid-rows',
value: prefixTrackValue({
value: `repeat(${gridRows.length}, auto)`,
gap: gap.row
}),
raws: {}
})
}
// warnings
warnGridGap({
gap,
hasColumns,
decl,
result
})
let areas = parseGridAreas({
rows: gridRows,
gap
})
warnMissedAreas(areas, decl, result)
return decl
}
}
GridTemplateAreas.names = ['grid-template-areas']
module.exports = GridTemplateAreas