vue hello world项目
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let Declaration = require('../declaration')
let utils = require('./grid-utils')
class GridArea extends Declaration {
/**
* Translate grid-area to separate -ms- prefixed properties
*/
insert(decl, prefix, prefixes, result) {
if (prefix !== '-ms-') return super.insert(decl, prefix, prefixes)
let values = utils.parse(decl)
let [rowStart, rowSpan] = utils.translate(values, 0, 2)
let [columnStart, columnSpan] = utils.translate(values, 1, 3)
;[
['grid-row', rowStart],
['grid-row-span', rowSpan],
['grid-column', columnStart],
['grid-column-span', columnSpan]
].forEach(([prop, value]) => {
utils.insertDecl(decl, prop, value)
})
utils.warnTemplateSelectorNotFound(decl, result)
utils.warnIfGridRowColumnExists(decl, result)
return undefined
}
}
GridArea.names = ['grid-area']
module.exports = GridArea