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