MAINHACK

Viewing / Editing File: grid-end.js

let Declaration = require('../declaration')

class GridEnd extends Declaration {
  /**
   * Change repeating syntax for IE
   */
  insert(decl, prefix, prefixes, result) {
    if (prefix !== '-ms-') return super.insert(decl, prefix, prefixes)

let clonedDecl = this.clone(decl)

let startProp = decl.prop.replace(/end$/, 'start')
    let spanProp = prefix + decl.prop.replace(/end$/, 'span')

if (decl.parent.some(i => i.prop === spanProp)) {
      return undefined
    }

clonedDecl.prop = spanProp

if (decl.value.includes('span')) {
      clonedDecl.value = decl.value.replace(/span\s/i, '')
    } else {
      let startDecl
      decl.parent.walkDecls(startProp, d => {
        startDecl = d
      })
      if (startDecl) {
        let value = Number(decl.value) - Number(startDecl.value) + ''
        clonedDecl.value = value
      } else {
        decl.warn(
          result,
          `Can not prefix ${decl.prop} (${startProp} is not found)`
        )
      }
    }

decl.cloneBefore(clonedDecl)

return undefined
  }
}

GridEnd.names = ['grid-row-end', 'grid-column-end']

module.exports = GridEnd

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Viewing / Editing File: grid-end.js

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