node: updatemain

1 files changed, 0 insertions, 1113 deletions

diff --git a/node_modules/autoprefixer/lib/hacks/grid-utils.js b/node_modules/autoprefixer/lib/hacks/grid-utils.js
deleted file mode 100644
index e8942311..00000000
--- a/node_modules/autoprefixer/lib/hacks/grid-utils.js
+++ /dev/null
@@ -1,1113 +0,0 @@
-let parser = require('postcss-value-parser')
-let list = require('postcss').list
-
-let uniq = require('../utils').uniq
-let escapeRegexp = require('../utils').escapeRegexp
-let splitSelector = require('../utils').splitSelector
-
-function convert(value) {
-  if (
-    value &&
-    value.length === 2 &&
-    value[0] === 'span' &&
-    parseInt(value[1], 10) > 0
-  ) {
-    return [false, parseInt(value[1], 10)]
-  }
-
-  if (value && value.length === 1 && parseInt(value[0], 10) > 0) {
-    return [parseInt(value[0], 10), false]
-  }
-
-  return [false, false]
-}
-
-exports.translate = translate
-
-function translate(values, startIndex, endIndex) {
-  let startValue = values[startIndex]
-  let endValue = values[endIndex]
-
-  if (!startValue) {
-    return [false, false]
-  }
-
-  let [start, spanStart] = convert(startValue)
-  let [end, spanEnd] = convert(endValue)
-
-  if (start && !endValue) {
-    return [start, false]
-  }
-
-  if (spanStart && end) {
-    return [end - spanStart, spanStart]
-  }
-
-  if (start && spanEnd) {
-    return [start, spanEnd]
-  }
-
-  if (start && end) {
-    return [start, end - start]
-  }
-
-  return [false, false]
-}
-
-exports.parse = parse
-
-function parse(decl) {
-  let node = parser(decl.value)
-
-  let values = []
-  let current = 0
-  values[current] = []
-
-  for (let i of node.nodes) {
-    if (i.type === 'div') {
-      current += 1
-      values[current] = []
-    } else if (i.type === 'word') {
-      values[current].push(i.value)
-    }
-  }
-
-  return values
-}
-
-exports.insertDecl = insertDecl
-
-function insertDecl(decl, prop, value) {
-  if (value && !decl.parent.some(i => i.prop === `-ms-${prop}`)) {
-    decl.cloneBefore({
-      prop: `-ms-${prop}`,
-      value: value.toString()
-    })
-  }
-}
-
-// Track transforms
-
-exports.prefixTrackProp = prefixTrackProp
-
-function prefixTrackProp({ prefix, prop }) {
-  return prefix + prop.replace('template-', '')
-}
-
-function transformRepeat({ nodes }, { gap }) {
-  let { count, size } = nodes.reduce(
-    (result, node) => {
-      if (node.type === 'div' && node.value === ',') {
-        result.key = 'size'
-      } else {
-        result[result.key].push(parser.stringify(node))
-      }
-      return result
-    },
-    {
-      count: [],
-      key: 'count',
-      size: []
-    }
-  )
-
-  // insert gap values
-  if (gap) {
-    size = size.filter(i => i.trim())
-    let val = []
-    for (let i = 1; i <= count; i++) {
-      size.forEach((item, index) => {
-        if (index > 0 || i > 1) {
-          val.push(gap)
-        }
-        val.push(item)
-      })
-    }
-
-    return val.join(' ')
-  }
-
-  return `(${size.join('')})[${count.join('')}]`
-}
-
-exports.prefixTrackValue = prefixTrackValue
-
-function prefixTrackValue({ gap, value }) {
-  let result = parser(value).nodes.reduce((nodes, node) => {
-    if (node.type === 'function' && node.value === 'repeat') {
-      return nodes.concat({
-        type: 'word',
-        value: transformRepeat(node, { gap })
-      })
-    }
-    if (gap && node.type === 'space') {
-      return nodes.concat(
-        {
-          type: 'space',
-          value: ' '
-        },
-        {
-          type: 'word',
-          value: gap
-        },
-        node
-      )
-    }
-    return nodes.concat(node)
-  }, [])
-
-  return parser.stringify(result)
-}
-
-// Parse grid-template-areas
-
-let DOTS = /^\.+$/
-
-function track(start, end) {
-  return { end, span: end - start, start }
-}
-
-function getColumns(line) {
-  return line.trim().split(/\s+/g)
-}
-
-exports.parseGridAreas = parseGridAreas
-
-function parseGridAreas({ gap, rows }) {
-  return rows.reduce((areas, line, rowIndex) => {
-    if (gap.row) rowIndex *= 2
-
-    if (line.trim() === '') return areas
-
-    getColumns(line).forEach((area, columnIndex) => {
-      if (DOTS.test(area)) return
-
-      if (gap.column) columnIndex *= 2
-
-      if (typeof areas[area] === 'undefined') {
-        areas[area] = {
-          column: track(columnIndex + 1, columnIndex + 2),
-          row: track(rowIndex + 1, rowIndex + 2)
-        }
-      } else {
-        let { column, row } = areas[area]
-
-        column.start = Math.min(column.start, columnIndex + 1)
-        column.end = Math.max(column.end, columnIndex + 2)
-        column.span = column.end - column.start
-
-        row.start = Math.min(row.start, rowIndex + 1)
-        row.end = Math.max(row.end, rowIndex + 2)
-        row.span = row.end - row.start
-      }
-    })
-
-    return areas
-  }, {})
-}
-
-// Parse grid-template
-
-function testTrack(node) {
-  return node.type === 'word' && /^\[.+]$/.test(node.value)
-}
-
-function verifyRowSize(result) {
-  if (result.areas.length > result.rows.length) {
-    result.rows.push('auto')
-  }
-  return result
-}
-
-exports.parseTemplate = parseTemplate
-
-function parseTemplate({ decl, gap }) {
-  let gridTemplate = parser(decl.value).nodes.reduce(
-    (result, node) => {
-      let { type, value } = node
-
-      if (testTrack(node) || type === 'space') return result
-
-      // area
-      if (type === 'string') {
-        result = verifyRowSize(result)
-        result.areas.push(value)
-      }
-
-      // values and function
-      if (type === 'word' || type === 'function') {
-        result[result.key].push(parser.stringify(node))
-      }
-
-      // divider(/)
-      if (type === 'div' && value === '/') {
-        result.key = 'columns'
-        result = verifyRowSize(result)
-      }
-
-      return result
-    },
-    {
-      areas: [],
-      columns: [],
-      key: 'rows',
-      rows: []
-    }
-  )
-
-  return {
-    areas: parseGridAreas({
-      gap,
-      rows: gridTemplate.areas
-    }),
-    columns: prefixTrackValue({
-      gap: gap.column,
-      value: gridTemplate.columns.join(' ')
-    }),
-    rows: prefixTrackValue({
-      gap: gap.row,
-      value: gridTemplate.rows.join(' ')
-    })
-  }
-}
-
-// Insert parsed grid areas
-
-/**
- * Get an array of -ms- prefixed props and values
- * @param  {Object} [area] area object with column and row data
- * @param  {Boolean} [addRowSpan] should we add grid-column-row value?
- * @param  {Boolean} [addColumnSpan] should we add grid-column-span value?
- * @return {Array<Object>}
- */
-function getMSDecls(area, addRowSpan = false, addColumnSpan = false) {
-  let result = [
-    {
-      prop: '-ms-grid-row',
-      value: String(area.row.start)
-    }
-  ]
-  if (area.row.span > 1 || addRowSpan) {
-    result.push({
-      prop: '-ms-grid-row-span',
-      value: String(area.row.span)
-    })
-  }
-  result.push({
-    prop: '-ms-grid-column',
-    value: String(area.column.start)
-  })
-  if (area.column.span > 1 || addColumnSpan) {
-    result.push({
-      prop: '-ms-grid-column-span',
-      value: String(area.column.span)
-    })
-  }
-  return result
-}
-
-function getParentMedia(parent) {
-  if (parent.type === 'atrule' && parent.name === 'media') {
-    return parent
-  }
-  if (!parent.parent) {
-    return false
-  }
-  return getParentMedia(parent.parent)
-}
-
-/**
- * change selectors for rules with duplicate grid-areas.
- * @param  {Array<Rule>} rules
- * @param  {Array<String>} templateSelectors
- * @return {Array<Rule>} rules with changed selectors
- */
-function changeDuplicateAreaSelectors(ruleSelectors, templateSelectors) {
-  ruleSelectors = ruleSelectors.map(selector => {
-    let selectorBySpace = list.space(selector)
-    let selectorByComma = list.comma(selector)
-
-    if (selectorBySpace.length > selectorByComma.length) {
-      selector = selectorBySpace.slice(-1).join('')
-    }
-    return selector
-  })
-
-  return ruleSelectors.map(ruleSelector => {
-    let newSelector = templateSelectors.map((tplSelector, index) => {
-      let space = index === 0 ? '' : ' '
-      return `${space}${tplSelector} > ${ruleSelector}`
-    })
-
-    return newSelector
-  })
-}
-
-/**
- * check if selector of rules are equal
- * @param  {Rule} ruleA
- * @param  {Rule} ruleB
- * @return {Boolean}
- */
-function selectorsEqual(ruleA, ruleB) {
-  return ruleA.selectors.some(sel => {
-    return ruleB.selectors.includes(sel)
-  })
-}
-
-/**
- * Parse data from all grid-template(-areas) declarations
- * @param  {Root} css css root
- * @return {Object} parsed data
- */
-function parseGridTemplatesData(css) {
-  let parsed = []
-
-  // we walk through every grid-template(-areas) declaration and store
-  // data with the same area names inside the item
-  css.walkDecls(/grid-template(-areas)?$/, d => {
-    let rule = d.parent
-    let media = getParentMedia(rule)
-    let gap = getGridGap(d)
-    let inheritedGap = inheritGridGap(d, gap)
-    let { areas } = parseTemplate({ decl: d, gap: inheritedGap || gap })
-    let areaNames = Object.keys(areas)
-
-    // skip node if it doesn't have areas
-    if (areaNames.length === 0) {
-      return true
-    }
-
-    // check parsed array for item that include the same area names
-    // return index of that item
-    let index = parsed.reduce((acc, { allAreas }, idx) => {
-      let hasAreas = allAreas && areaNames.some(area => allAreas.includes(area))
-      return hasAreas ? idx : acc
-    }, null)
-
-    if (index !== null) {
-      // index is found, add the grid-template data to that item
-      let { allAreas, rules } = parsed[index]
-
-      // check if rule has no duplicate area names
-      let hasNoDuplicates = rules.some(r => {
-        return r.hasDuplicates === false && selectorsEqual(r, rule)
-      })
-
-      let duplicatesFound = false
-
-      // check need to gather all duplicate area names
-      let duplicateAreaNames = rules.reduce((acc, r) => {
-        if (!r.params && selectorsEqual(r, rule)) {
-          duplicatesFound = true
-          return r.duplicateAreaNames
-        }
-        if (!duplicatesFound) {
-          areaNames.forEach(name => {
-            if (r.areas[name]) {
-              acc.push(name)
-            }
-          })
-        }
-        return uniq(acc)
-      }, [])
-
-      // update grid-row/column-span values for areas with duplicate
-      // area names. @see #1084 and #1146
-      rules.forEach(r => {
-        areaNames.forEach(name => {
-          let area = r.areas[name]
-          if (area && area.row.span !== areas[name].row.span) {
-            areas[name].row.updateSpan = true
-          }
-
-          if (area && area.column.span !== areas[name].column.span) {
-            areas[name].column.updateSpan = true
-          }
-        })
-      })
-
-      parsed[index].allAreas = uniq([...allAreas, ...areaNames])
-      parsed[index].rules.push({
-        areas,
-        duplicateAreaNames,
-        hasDuplicates: !hasNoDuplicates,
-        node: rule,
-        params: media.params,
-        selectors: rule.selectors
-      })
-    } else {
-      // index is NOT found, push the new item to the parsed array
-      parsed.push({
-        allAreas: areaNames,
-        areasCount: 0,
-        rules: [
-          {
-            areas,
-            duplicateAreaNames: [],
-            duplicateRules: [],
-            hasDuplicates: false,
-            node: rule,
-            params: media.params,
-            selectors: rule.selectors
-          }
-        ]
-      })
-    }
-
-    return undefined
-  })
-
-  return parsed
-}
-
-/**
- * insert prefixed grid-area declarations
- * @param  {Root}  css css root
- * @param  {Function} isDisabled check if the rule is disabled
- * @return {void}
- */
-exports.insertAreas = insertAreas
-
-function insertAreas(css, isDisabled) {
-  // parse grid-template declarations
-  let gridTemplatesData = parseGridTemplatesData(css)
-
-  // return undefined if no declarations found
-  if (gridTemplatesData.length === 0) {
-    return undefined
-  }
-
-  // we need to store the rules that we will insert later
-  let rulesToInsert = {}
-
-  css.walkDecls('grid-area', gridArea => {
-    let gridAreaRule = gridArea.parent
-    let hasPrefixedRow = gridAreaRule.first.prop === '-ms-grid-row'
-    let gridAreaMedia = getParentMedia(gridAreaRule)
-
-    if (isDisabled(gridArea)) {
-      return undefined
-    }
-
-    let gridAreaRuleIndex = css.index(gridAreaMedia || gridAreaRule)
-
-    let value = gridArea.value
-    // found the data that matches grid-area identifier
-    let data = gridTemplatesData.filter(d => d.allAreas.includes(value))[0]
-
-    if (!data) {
-      return true
-    }
-
-    let lastArea = data.allAreas[data.allAreas.length - 1]
-    let selectorBySpace = list.space(gridAreaRule.selector)
-    let selectorByComma = list.comma(gridAreaRule.selector)
-    let selectorIsComplex =
-      selectorBySpace.length > 1 &&
-      selectorBySpace.length > selectorByComma.length
-
-    // prevent doubling of prefixes
-    if (hasPrefixedRow) {
-      return false
-    }
-
-    // create the empty object with the key as the last area name
-    // e.g if we have templates with "a b c" values, "c" will be the last area
-    if (!rulesToInsert[lastArea]) {
-      rulesToInsert[lastArea] = {}
-    }
-
-    let lastRuleIsSet = false
-
-    // walk through every grid-template rule data
-    for (let rule of data.rules) {
-      let area = rule.areas[value]
-      let hasDuplicateName = rule.duplicateAreaNames.includes(value)
-
-      // if we can't find the area name, update lastRule and continue
-      if (!area) {
-        let lastRule = rulesToInsert[lastArea].lastRule
-        let lastRuleIndex
-        if (lastRule) {
-          lastRuleIndex = css.index(lastRule)
-        } else {
-          /* c8 ignore next 2 */
-          lastRuleIndex = -1
-        }
-
-        if (gridAreaRuleIndex > lastRuleIndex) {
-          rulesToInsert[lastArea].lastRule = gridAreaMedia || gridAreaRule
-        }
-        continue
-      }
-
-      // for grid-templates inside media rule we need to create empty
-      // array to push prefixed grid-area rules later
-      if (rule.params && !rulesToInsert[lastArea][rule.params]) {
-        rulesToInsert[lastArea][rule.params] = []
-      }
-
-      if ((!rule.hasDuplicates || !hasDuplicateName) && !rule.params) {
-        // grid-template has no duplicates and not inside media rule
-
-        getMSDecls(area, false, false)
-          .reverse()
-          .forEach(i =>
-            gridAreaRule.prepend(
-              Object.assign(i, {
-                raws: {
-                  between: gridArea.raws.between
-                }
-              })
-            )
-          )
-
-        rulesToInsert[lastArea].lastRule = gridAreaRule
-        lastRuleIsSet = true
-      } else if (rule.hasDuplicates && !rule.params && !selectorIsComplex) {
-        // grid-template has duplicates and not inside media rule
-        let cloned = gridAreaRule.clone()
-        cloned.removeAll()
-
-        getMSDecls(area, area.row.updateSpan, area.column.updateSpan)
-          .reverse()
-          .forEach(i =>
-            cloned.prepend(
-              Object.assign(i, {
-                raws: {
-                  between: gridArea.raws.between
-                }
-              })
-            )
-          )
-
-        cloned.selectors = changeDuplicateAreaSelectors(
-          cloned.selectors,
-          rule.selectors
-        )
-
-        if (rulesToInsert[lastArea].lastRule) {
-          rulesToInsert[lastArea].lastRule.after(cloned)
-        }
-        rulesToInsert[lastArea].lastRule = cloned
-        lastRuleIsSet = true
-      } else if (
-        rule.hasDuplicates &&
-        !rule.params &&
-        selectorIsComplex &&
-        gridAreaRule.selector.includes(rule.selectors[0])
-      ) {
-        // grid-template has duplicates and not inside media rule
-        // and the selector is complex
-        gridAreaRule.walkDecls(/-ms-grid-(row|column)/, d => d.remove())
-        getMSDecls(area, area.row.updateSpan, area.column.updateSpan)
-          .reverse()
-          .forEach(i =>
-            gridAreaRule.prepend(
-              Object.assign(i, {
-                raws: {
-                  between: gridArea.raws.between
-                }
-              })
-            )
-          )
-      } else if (rule.params) {
-        // grid-template is inside media rule
-        // if we're inside media rule, we need to store prefixed rules
-        // inside rulesToInsert object to be able to preserve the order of media
-        // rules and merge them easily
-        let cloned = gridAreaRule.clone()
-        cloned.removeAll()
-
-        getMSDecls(area, area.row.updateSpan, area.column.updateSpan)
-          .reverse()
-          .forEach(i =>
-            cloned.prepend(
-              Object.assign(i, {
-                raws: {
-                  between: gridArea.raws.between
-                }
-              })
-            )
-          )
-
-        if (rule.hasDuplicates && hasDuplicateName) {
-          cloned.selectors = changeDuplicateAreaSelectors(
-            cloned.selectors,
-            rule.selectors
-          )
-        }
-
-        cloned.raws = rule.node.raws
-
-        if (css.index(rule.node.parent) > gridAreaRuleIndex) {
-          // append the prefixed rules right inside media rule
-          // with grid-template
-          rule.node.parent.append(cloned)
-        } else {
-          // store the rule to insert later
-          rulesToInsert[lastArea][rule.params].push(cloned)
-        }
-
-        // set new rule as last rule ONLY if we didn't set lastRule for
-        // this grid-area before
-        if (!lastRuleIsSet) {
-          rulesToInsert[lastArea].lastRule = gridAreaMedia || gridAreaRule
-        }
-      }
-    }
-
-    return undefined
-  })
-
-  // append stored rules inside the media rules
-  Object.keys(rulesToInsert).forEach(area => {
-    let data = rulesToInsert[area]
-    let lastRule = data.lastRule
-    Object.keys(data)
-      .reverse()
-      .filter(p => p !== 'lastRule')
-      .forEach(params => {
-        if (data[params].length > 0 && lastRule) {
-          lastRule.after({ name: 'media', params })
-          lastRule.next().append(data[params])
-        }
-      })
-  })
-
-  return undefined
-}
-
-/**
- * Warn user if grid area identifiers are not found
- * @param  {Object} areas
- * @param  {Declaration} decl
- * @param  {Result} result
- * @return {void}
- */
-exports.warnMissedAreas = warnMissedAreas
-
-function warnMissedAreas(areas, decl, result) {
-  let missed = Object.keys(areas)
-
-  decl.root().walkDecls('grid-area', gridArea => {
-    missed = missed.filter(e => e !== gridArea.value)
-  })
-
-  if (missed.length > 0) {
-    decl.warn(result, 'Can not find grid areas: ' + missed.join(', '))
-  }
-
-  return undefined
-}
-
-/**
- * compare selectors with grid-area rule and grid-template rule
- * show warning if grid-template selector is not found
- * (this function used for grid-area rule)
- * @param  {Declaration} decl
- * @param  {Result} result
- * @return {void}
- */
-exports.warnTemplateSelectorNotFound = warnTemplateSelectorNotFound
-
-function warnTemplateSelectorNotFound(decl, result) {
-  let rule = decl.parent
-  let root = decl.root()
-  let duplicatesFound = false
-
-  // slice selector array. Remove the last part (for comparison)
-  let slicedSelectorArr = list
-    .space(rule.selector)
-    .filter(str => str !== '>')
-    .slice(0, -1)
-
-  // we need to compare only if selector is complex.
-  // e.g '.grid-cell' is simple, but '.parent > .grid-cell' is complex
-  if (slicedSelectorArr.length > 0) {
-    let gridTemplateFound = false
-    let foundAreaSelector = null
-
-    root.walkDecls(/grid-template(-areas)?$/, d => {
-      let parent = d.parent
-      let templateSelectors = parent.selectors
-
-      let { areas } = parseTemplate({ decl: d, gap: getGridGap(d) })
-      let hasArea = areas[decl.value]
-
-      // find the the matching selectors
-      for (let tplSelector of templateSelectors) {
-        if (gridTemplateFound) {
-          break
-        }
-        let tplSelectorArr = list.space(tplSelector).filter(str => str !== '>')
-
-        gridTemplateFound = tplSelectorArr.every(
-          (item, idx) => item === slicedSelectorArr[idx]
-        )
-      }
-
-      if (gridTemplateFound || !hasArea) {
-        return true
-      }
-
-      if (!foundAreaSelector) {
-        foundAreaSelector = parent.selector
-      }
-
-      // if we found the duplicate area with different selector
-      if (foundAreaSelector && foundAreaSelector !== parent.selector) {
-        duplicatesFound = true
-      }
-
-      return undefined
-    })
-
-    // warn user if we didn't find template
-    if (!gridTemplateFound && duplicatesFound) {
-      decl.warn(
-        result,
-        'Autoprefixer cannot find a grid-template ' +
-          `containing the duplicate grid-area "${decl.value}" ` +
-          `with full selector matching: ${slicedSelectorArr.join(' ')}`
-      )
-    }
-  }
-}
-
-/**
- * warn user if both grid-area and grid-(row|column)
- * declarations are present in the same rule
- * @param  {Declaration} decl
- * @param  {Result} result
- * @return {void}
- */
-exports.warnIfGridRowColumnExists = warnIfGridRowColumnExists
-
-function warnIfGridRowColumnExists(decl, result) {
-  let rule = decl.parent
-  let decls = []
-  rule.walkDecls(/^grid-(row|column)/, d => {
-    if (
-      !d.prop.endsWith('-end') &&
-      !d.value.startsWith('span') &&
-      !d.prop.endsWith('-gap')
-    ) {
-      decls.push(d)
-    }
-  })
-  if (decls.length > 0) {
-    decls.forEach(d => {
-      d.warn(
-        result,
-        'You already have a grid-area declaration present in the rule. ' +
-          `You should use either grid-area or ${d.prop}, not both`
-      )
-    })
-  }
-
-  return undefined
-}
-
-// Gap utils
-
-exports.getGridGap = getGridGap
-
-function getGridGap(decl) {
-  let gap = {}
-
-  // try to find gap
-  let testGap = /^(grid-)?((row|column)-)?gap$/
-  decl.parent.walkDecls(testGap, ({ prop, value }) => {
-    if (/^(grid-)?gap$/.test(prop)) {
-      let [row, , column] = parser(value).nodes
-
-      gap.row = row && parser.stringify(row)
-      gap.column = column ? parser.stringify(column) : gap.row
-    }
-    if (/^(grid-)?row-gap$/.test(prop)) gap.row = value
-    if (/^(grid-)?column-gap$/.test(prop)) gap.column = value
-  })
-
-  return gap
-}
-
-/**
- * parse media parameters (for example 'min-width: 500px')
- * @param  {String} params parameter to parse
- * @return {}
- */
-function parseMediaParams(params) {
-  if (!params) {
-    return []
-  }
-  let parsed = parser(params)
-  let prop
-  let value
-
-  parsed.walk(node => {
-    if (node.type === 'word' && /min|max/g.test(node.value)) {
-      prop = node.value
-    } else if (node.value.includes('px')) {
-      value = parseInt(node.value.replace(/\D/g, ''))
-    }
-  })
-
-  return [prop, value]
-}
-
-/**
- * Compare the selectors and decide if we
- * need to inherit gap from compared selector or not.
- * @type {String} selA
- * @type {String} selB
- * @return {Boolean}
- */
-function shouldInheritGap(selA, selB) {
-  let result
-
-  // get arrays of selector split in 3-deep array
-  let splitSelectorArrA = splitSelector(selA)
-  let splitSelectorArrB = splitSelector(selB)
-
-  if (splitSelectorArrA[0].length < splitSelectorArrB[0].length) {
-    // abort if selectorA has lower descendant specificity then selectorB
-    // (e.g '.grid' and '.hello .world .grid')
-    return false
-  } else if (splitSelectorArrA[0].length > splitSelectorArrB[0].length) {
-    // if selectorA has higher descendant specificity then selectorB
-    // (e.g '.foo .bar .grid' and '.grid')
-
-    let idx = splitSelectorArrA[0].reduce((res, [item], index) => {
-      let firstSelectorPart = splitSelectorArrB[0][0][0]
-      if (item === firstSelectorPart) {
-        return index
-      }
-      return false
-    }, false)
-
-    if (idx) {
-      result = splitSelectorArrB[0].every((arr, index) => {
-        return arr.every(
-          (part, innerIndex) =>
-            // because selectorA has more space elements, we need to slice
-            // selectorA array by 'idx' number to compare them
-            splitSelectorArrA[0].slice(idx)[index][innerIndex] === part
-        )
-      })
-    }
-  } else {
-    // if selectorA has the same descendant specificity as selectorB
-    // this condition covers cases such as: '.grid.foo.bar' and '.grid'
-    result = splitSelectorArrB.some(byCommaArr => {
-      return byCommaArr.every((bySpaceArr, index) => {
-        return bySpaceArr.every(
-          (part, innerIndex) => splitSelectorArrA[0][index][innerIndex] === part
-        )
-      })
-    })
-  }
-
-  return result
-}
-/**
- * inherit grid gap values from the closest rule above
- * with the same selector
- * @param  {Declaration} decl
- * @param  {Object} gap gap values
- * @return {Object | Boolean} return gap values or false (if not found)
- */
-exports.inheritGridGap = inheritGridGap
-
-function inheritGridGap(decl, gap) {
-  let rule = decl.parent
-  let mediaRule = getParentMedia(rule)
-  let root = rule.root()
-
-  // get an array of selector split in 3-deep array
-  let splitSelectorArr = splitSelector(rule.selector)
-
-  // abort if the rule already has gaps
-  if (Object.keys(gap).length > 0) {
-    return false
-  }
-
-  // e.g ['min-width']
-  let [prop] = parseMediaParams(mediaRule.params)
-
-  let lastBySpace = splitSelectorArr[0]
-
-  // get escaped value from the selector
-  // if we have '.grid-2.foo.bar' selector, will be '\.grid\-2'
-  let escaped = escapeRegexp(lastBySpace[lastBySpace.length - 1][0])
-
-  let regexp = new RegExp(`(${escaped}$)|(${escaped}[,.])`)
-
-  // find the closest rule with the same selector
-  let closestRuleGap
-  root.walkRules(regexp, r => {
-    let gridGap
-
-    // abort if are checking the same rule
-    if (rule.toString() === r.toString()) {
-      return false
-    }
-
-    // find grid-gap values
-    r.walkDecls('grid-gap', d => (gridGap = getGridGap(d)))
-
-    // skip rule without gaps
-    if (!gridGap || Object.keys(gridGap).length === 0) {
-      return true
-    }
-
-    // skip rules that should not be inherited from
-    if (!shouldInheritGap(rule.selector, r.selector)) {
-      return true
-    }
-
-    let media = getParentMedia(r)
-    if (media) {
-      // if we are inside media, we need to check that media props match
-      // e.g ('min-width' === 'min-width')
-      let propToCompare = parseMediaParams(media.params)[0]
-      if (propToCompare === prop) {
-        closestRuleGap = gridGap
-        return true
-      }
-    } else {
-      closestRuleGap = gridGap
-      return true
-    }
-
-    return undefined
-  })
-
-  // if we find the closest gap object
-  if (closestRuleGap && Object.keys(closestRuleGap).length > 0) {
-    return closestRuleGap
-  }
-  return false
-}
-
-exports.warnGridGap = warnGridGap
-
-function warnGridGap({ decl, gap, hasColumns, result }) {
-  let hasBothGaps = gap.row && gap.column
-  if (!hasColumns && (hasBothGaps || (gap.column && !gap.row))) {
-    delete gap.column
-    decl.warn(
-      result,
-      'Can not implement grid-gap without grid-template-columns'
-    )
-  }
-}
-
-/**
- * normalize the grid-template-rows/columns values
- * @param  {String} str grid-template-rows/columns value
- * @return {Array} normalized array with values
- * @example
- * let normalized = normalizeRowColumn('1fr repeat(2, 20px 50px) 1fr')
- * normalized // <= ['1fr', '20px', '50px', '20px', '50px', '1fr']
- */
-function normalizeRowColumn(str) {
-  let normalized = parser(str).nodes.reduce((result, node) => {
-    if (node.type === 'function' && node.value === 'repeat') {
-      let key = 'count'
-
-      let [count, value] = node.nodes.reduce(
-        (acc, n) => {
-          if (n.type === 'word' && key === 'count') {
-            acc[0] = Math.abs(parseInt(n.value))
-            return acc
-          }
-          if (n.type === 'div' && n.value === ',') {
-            key = 'value'
-            return acc
-          }
-          if (key === 'value') {
-            acc[1] += parser.stringify(n)
-          }
-          return acc
-        },
-        [0, '']
-      )
-
-      if (count) {
-        for (let i = 0; i < count; i++) {
-          result.push(value)
-        }
-      }
-
-      return result
-    }
-    if (node.type === 'space') {
-      return result
-    }
-    return result.concat(parser.stringify(node))
-  }, [])
-
-  return normalized
-}
-
-exports.autoplaceGridItems = autoplaceGridItems
-
-/**
- * Autoplace grid items
- * @param {Declaration} decl
- * @param {Result} result
- * @param {Object} gap gap values
- * @param {String} autoflowValue grid-auto-flow value
- * @return {void}
- * @see https://github.com/postcss/autoprefixer/issues/1148
- */
-function autoplaceGridItems(decl, result, gap, autoflowValue = 'row') {
-  let { parent } = decl
-
-  let rowDecl = parent.nodes.find(i => i.prop === 'grid-template-rows')
-  let rows = normalizeRowColumn(rowDecl.value)
-  let columns = normalizeRowColumn(decl.value)
-
-  // Build array of area names with dummy values. If we have 3 columns and
-  // 2 rows, filledRows will be equal to ['1 2 3', '4 5 6']
-  let filledRows = rows.map((_, rowIndex) => {
-    return Array.from(
-      { length: columns.length },
-      (v, k) => k + rowIndex * columns.length + 1
-    ).join(' ')
-  })
-
-  let areas = parseGridAreas({ gap, rows: filledRows })
-  let keys = Object.keys(areas)
-  let items = keys.map(i => areas[i])
-
-  // Change the order of cells if grid-auto-flow value is 'column'
-  if (autoflowValue.includes('column')) {
-    items = items.sort((a, b) => a.column.start - b.column.start)
-  }
-
-  // Insert new rules
-  items.reverse().forEach((item, index) => {
-    let { column, row } = item
-    let nodeSelector = parent.selectors
-      .map(sel => sel + ` > *:nth-child(${keys.length - index})`)
-      .join(', ')
-
-    // create new rule
-    let node = parent.clone().removeAll()
-
-    // change rule selector
-    node.selector = nodeSelector
-
-    // insert prefixed row/column values
-    node.append({ prop: '-ms-grid-row', value: row.start })
-    node.append({ prop: '-ms-grid-column', value: column.start })
-
-    // insert rule
-    parent.after(node)
-  })
-
-  return undefined
-}