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							1150 lines
						
					
					
						
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							1150 lines
						
					
					
						
							31 KiB
						
					
					
				"use strict"; | 
						|
 | 
						|
var parser = require('postcss-value-parser'); | 
						|
 | 
						|
var list = require('postcss').list; | 
						|
 | 
						|
var uniq = require('../utils').uniq; | 
						|
 | 
						|
var escapeRegexp = require('../utils').escapeRegexp; | 
						|
 | 
						|
var 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]; | 
						|
} | 
						|
 | 
						|
function translate(values, startIndex, endIndex) { | 
						|
  var startValue = values[startIndex]; | 
						|
  var endValue = values[endIndex]; | 
						|
 | 
						|
  if (!startValue) { | 
						|
    return [false, false]; | 
						|
  } | 
						|
 | 
						|
  var _convert = convert(startValue), | 
						|
      start = _convert[0], | 
						|
      spanStart = _convert[1]; | 
						|
 | 
						|
  var _convert2 = convert(endValue), | 
						|
      end = _convert2[0], | 
						|
      spanEnd = _convert2[1]; | 
						|
 | 
						|
  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]; | 
						|
} | 
						|
 | 
						|
function parse(decl) { | 
						|
  var node = parser(decl.value); | 
						|
  var values = []; | 
						|
  var current = 0; | 
						|
  values[current] = []; | 
						|
 | 
						|
  for (var _iterator = node.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { | 
						|
    var _ref; | 
						|
 | 
						|
    if (_isArray) { | 
						|
      if (_i >= _iterator.length) break; | 
						|
      _ref = _iterator[_i++]; | 
						|
    } else { | 
						|
      _i = _iterator.next(); | 
						|
      if (_i.done) break; | 
						|
      _ref = _i.value; | 
						|
    } | 
						|
 | 
						|
    var i = _ref; | 
						|
 | 
						|
    if (i.type === 'div') { | 
						|
      current += 1; | 
						|
      values[current] = []; | 
						|
    } else if (i.type === 'word') { | 
						|
      values[current].push(i.value); | 
						|
    } | 
						|
  } | 
						|
 | 
						|
  return values; | 
						|
} | 
						|
 | 
						|
function insertDecl(decl, prop, value) { | 
						|
  if (value && !decl.parent.some(function (i) { | 
						|
    return i.prop === "-ms-" + prop; | 
						|
  })) { | 
						|
    decl.cloneBefore({ | 
						|
      prop: "-ms-" + prop, | 
						|
      value: value.toString() | 
						|
    }); | 
						|
  } | 
						|
} // Track transforms | 
						|
 | 
						|
 | 
						|
function prefixTrackProp(_ref2) { | 
						|
  var prop = _ref2.prop, | 
						|
      prefix = _ref2.prefix; | 
						|
  return prefix + prop.replace('template-', ''); | 
						|
} | 
						|
 | 
						|
function transformRepeat(_ref3, _ref4) { | 
						|
  var nodes = _ref3.nodes; | 
						|
  var gap = _ref4.gap; | 
						|
 | 
						|
  var _nodes$reduce = nodes.reduce(function (result, node) { | 
						|
    if (node.type === 'div' && node.value === ',') { | 
						|
      result.key = 'size'; | 
						|
    } else { | 
						|
      result[result.key].push(parser.stringify(node)); | 
						|
    } | 
						|
 | 
						|
    return result; | 
						|
  }, { | 
						|
    key: 'count', | 
						|
    size: [], | 
						|
    count: [] | 
						|
  }), | 
						|
      count = _nodes$reduce.count, | 
						|
      size = _nodes$reduce.size; // insert gap values | 
						|
 | 
						|
 | 
						|
  if (gap) { | 
						|
    var _ret = function () { | 
						|
      size = size.filter(function (i) { | 
						|
        return i.trim(); | 
						|
      }); | 
						|
      var val = []; | 
						|
 | 
						|
      var _loop = function _loop(i) { | 
						|
        size.forEach(function (item, index) { | 
						|
          if (index > 0 || i > 1) { | 
						|
            val.push(gap); | 
						|
          } | 
						|
 | 
						|
          val.push(item); | 
						|
        }); | 
						|
      }; | 
						|
 | 
						|
      for (var i = 1; i <= count; i++) { | 
						|
        _loop(i); | 
						|
      } | 
						|
 | 
						|
      return { | 
						|
        v: val.join(' ') | 
						|
      }; | 
						|
    }(); | 
						|
 | 
						|
    if (typeof _ret === "object") return _ret.v; | 
						|
  } | 
						|
 | 
						|
  return "(" + size.join('') + ")[" + count.join('') + "]"; | 
						|
} | 
						|
 | 
						|
function prefixTrackValue(_ref5) { | 
						|
  var value = _ref5.value, | 
						|
      gap = _ref5.gap; | 
						|
  var result = parser(value).nodes.reduce(function (nodes, node) { | 
						|
    if (node.type === 'function' && node.value === 'repeat') { | 
						|
      return nodes.concat({ | 
						|
        type: 'word', | 
						|
        value: transformRepeat(node, { | 
						|
          gap: gap | 
						|
        }) | 
						|
      }); | 
						|
    } | 
						|
 | 
						|
    if (gap && node.type === 'space') { | 
						|
      return nodes.concat({ | 
						|
        type: 'space', | 
						|
        value: ' ' | 
						|
      }, { | 
						|
        type: 'word', | 
						|
        value: gap | 
						|
      }, node); | 
						|
    } | 
						|
 | 
						|
    return nodes.concat(node); | 
						|
  }, []); | 
						|
  return parser.stringify(result); | 
						|
} // Parse grid-template-areas | 
						|
 | 
						|
 | 
						|
var DOTS = /^\.+$/; | 
						|
 | 
						|
function track(start, end) { | 
						|
  return { | 
						|
    start: start, | 
						|
    end: end, | 
						|
    span: end - start | 
						|
  }; | 
						|
} | 
						|
 | 
						|
function getColumns(line) { | 
						|
  return line.trim().split(/\s+/g); | 
						|
} | 
						|
 | 
						|
function parseGridAreas(_ref6) { | 
						|
  var rows = _ref6.rows, | 
						|
      gap = _ref6.gap; | 
						|
  return rows.reduce(function (areas, line, rowIndex) { | 
						|
    if (gap.row) rowIndex *= 2; | 
						|
    if (line.trim() === '') return areas; | 
						|
    getColumns(line).forEach(function (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 { | 
						|
        var _areas$area = areas[area], | 
						|
            column = _areas$area.column, | 
						|
            row = _areas$area.row; | 
						|
        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; | 
						|
} | 
						|
 | 
						|
function parseTemplate(_ref7) { | 
						|
  var decl = _ref7.decl, | 
						|
      gap = _ref7.gap; | 
						|
  var gridTemplate = parser(decl.value).nodes.reduce(function (result, node) { | 
						|
    var type = node.type, | 
						|
        value = node.value; | 
						|
    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; | 
						|
  }, { | 
						|
    key: 'rows', | 
						|
    columns: [], | 
						|
    rows: [], | 
						|
    areas: [] | 
						|
  }); | 
						|
  return { | 
						|
    areas: parseGridAreas({ | 
						|
      rows: gridTemplate.areas, | 
						|
      gap: gap | 
						|
    }), | 
						|
    columns: prefixTrackValue({ | 
						|
      value: gridTemplate.columns.join(' '), | 
						|
      gap: gap.column | 
						|
    }), | 
						|
    rows: prefixTrackValue({ | 
						|
      value: gridTemplate.rows.join(' '), | 
						|
      gap: gap.row | 
						|
    }) | 
						|
  }; | 
						|
} // 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, addColumnSpan) { | 
						|
  if (addRowSpan === void 0) { | 
						|
    addRowSpan = false; | 
						|
  } | 
						|
 | 
						|
  if (addColumnSpan === void 0) { | 
						|
    addColumnSpan = false; | 
						|
  } | 
						|
 | 
						|
  return [].concat({ | 
						|
    prop: '-ms-grid-row', | 
						|
    value: String(area.row.start) | 
						|
  }, area.row.span > 1 || addRowSpan ? { | 
						|
    prop: '-ms-grid-row-span', | 
						|
    value: String(area.row.span) | 
						|
  } : [], { | 
						|
    prop: '-ms-grid-column', | 
						|
    value: String(area.column.start) | 
						|
  }, area.column.span > 1 || addColumnSpan ? { | 
						|
    prop: '-ms-grid-column-span', | 
						|
    value: String(area.column.span) | 
						|
  } : []); | 
						|
} | 
						|
 | 
						|
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(function (selector) { | 
						|
    var selectorBySpace = list.space(selector); | 
						|
    var selectorByComma = list.comma(selector); | 
						|
 | 
						|
    if (selectorBySpace.length > selectorByComma.length) { | 
						|
      selector = selectorBySpace.slice(-1).join(''); | 
						|
    } | 
						|
 | 
						|
    return selector; | 
						|
  }); | 
						|
  return ruleSelectors.map(function (ruleSelector) { | 
						|
    var newSelector = templateSelectors.map(function (tplSelector, index) { | 
						|
      var 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(function (sel) { | 
						|
    return ruleB.selectors.some(function (s) { | 
						|
      return s === sel; | 
						|
    }); | 
						|
  }); | 
						|
} | 
						|
/** | 
						|
 * Parse data from all grid-template(-areas) declarations | 
						|
 * @param  {Root} css css root | 
						|
 * @return {Object} parsed data | 
						|
 */ | 
						|
 | 
						|
 | 
						|
function parseGridTemplatesData(css) { | 
						|
  var 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)?$/, function (d) { | 
						|
    var rule = d.parent; | 
						|
    var media = getParentMedia(rule); | 
						|
    var gap = getGridGap(d); | 
						|
    var inheritedGap = inheritGridGap(d, gap); | 
						|
 | 
						|
    var _parseTemplate = parseTemplate({ | 
						|
      decl: d, | 
						|
      gap: inheritedGap || gap | 
						|
    }), | 
						|
        areas = _parseTemplate.areas; | 
						|
 | 
						|
    var 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 | 
						|
 | 
						|
 | 
						|
    var index = parsed.reduce(function (acc, _ref8, idx) { | 
						|
      var allAreas = _ref8.allAreas; | 
						|
      var hasAreas = allAreas && areaNames.some(function (area) { | 
						|
        return allAreas.includes(area); | 
						|
      }); | 
						|
      return hasAreas ? idx : acc; | 
						|
    }, null); | 
						|
 | 
						|
    if (index !== null) { | 
						|
      // index is found, add the grid-template data to that item | 
						|
      var _parsed$index = parsed[index], | 
						|
          allAreas = _parsed$index.allAreas, | 
						|
          rules = _parsed$index.rules; // check if rule has no duplicate area names | 
						|
 | 
						|
      var hasNoDuplicates = rules.some(function (r) { | 
						|
        return r.hasDuplicates === false && selectorsEqual(r, rule); | 
						|
      }); | 
						|
      var duplicatesFound = false; // check need to gather all duplicate area names | 
						|
 | 
						|
      var duplicateAreaNames = rules.reduce(function (acc, r) { | 
						|
        if (!r.params && selectorsEqual(r, rule)) { | 
						|
          duplicatesFound = true; | 
						|
          return r.duplicateAreaNames; | 
						|
        } | 
						|
 | 
						|
        if (!duplicatesFound) { | 
						|
          areaNames.forEach(function (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(function (r) { | 
						|
        areaNames.forEach(function (name) { | 
						|
          var 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([].concat(allAreas, areaNames)); | 
						|
      parsed[index].rules.push({ | 
						|
        hasDuplicates: !hasNoDuplicates, | 
						|
        params: media.params, | 
						|
        selectors: rule.selectors, | 
						|
        node: rule, | 
						|
        duplicateAreaNames: duplicateAreaNames, | 
						|
        areas: areas | 
						|
      }); | 
						|
    } else { | 
						|
      // index is NOT found, push the new item to the parsed array | 
						|
      parsed.push({ | 
						|
        allAreas: areaNames, | 
						|
        areasCount: 0, | 
						|
        rules: [{ | 
						|
          hasDuplicates: false, | 
						|
          duplicateRules: [], | 
						|
          params: media.params, | 
						|
          selectors: rule.selectors, | 
						|
          node: rule, | 
						|
          duplicateAreaNames: [], | 
						|
          areas: areas | 
						|
        }] | 
						|
      }); | 
						|
    } | 
						|
 | 
						|
    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} | 
						|
 */ | 
						|
 | 
						|
 | 
						|
function insertAreas(css, isDisabled) { | 
						|
  // parse grid-template declarations | 
						|
  var 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 | 
						|
 | 
						|
 | 
						|
  var rulesToInsert = {}; | 
						|
  css.walkDecls('grid-area', function (gridArea) { | 
						|
    var gridAreaRule = gridArea.parent; | 
						|
    var hasPrefixedRow = gridAreaRule.first.prop === '-ms-grid-row'; | 
						|
    var gridAreaMedia = getParentMedia(gridAreaRule); | 
						|
 | 
						|
    if (isDisabled(gridArea)) { | 
						|
      return undefined; | 
						|
    } | 
						|
 | 
						|
    var gridAreaRuleIndex = gridAreaMedia ? css.index(gridAreaMedia) : css.index(gridAreaRule); | 
						|
    var value = gridArea.value; // found the data that matches grid-area identifier | 
						|
 | 
						|
    var data = gridTemplatesData.filter(function (d) { | 
						|
      return d.allAreas.includes(value); | 
						|
    })[0]; | 
						|
 | 
						|
    if (!data) { | 
						|
      return true; | 
						|
    } | 
						|
 | 
						|
    var lastArea = data.allAreas[data.allAreas.length - 1]; | 
						|
    var selectorBySpace = list.space(gridAreaRule.selector); | 
						|
    var selectorByComma = list.comma(gridAreaRule.selector); | 
						|
    var 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] = {}; | 
						|
    } | 
						|
 | 
						|
    var lastRuleIsSet = false; // walk through every grid-template rule data | 
						|
 | 
						|
    for (var _iterator2 = data.rules, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) { | 
						|
      var _ref9; | 
						|
 | 
						|
      if (_isArray2) { | 
						|
        if (_i2 >= _iterator2.length) break; | 
						|
        _ref9 = _iterator2[_i2++]; | 
						|
      } else { | 
						|
        _i2 = _iterator2.next(); | 
						|
        if (_i2.done) break; | 
						|
        _ref9 = _i2.value; | 
						|
      } | 
						|
 | 
						|
      var rule = _ref9; | 
						|
      var area = rule.areas[value]; | 
						|
      var hasDuplicateName = rule.duplicateAreaNames.includes(value); // if we can't find the area name, update lastRule and continue | 
						|
 | 
						|
      if (!area) { | 
						|
        var lastRuleIndex = css.index(rulesToInsert[lastArea].lastRule); | 
						|
 | 
						|
        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(function (i) { | 
						|
          return gridAreaRule.prepend(Object.assign(i, { | 
						|
            raws: { | 
						|
              between: gridArea.raws.between | 
						|
            } | 
						|
          })); | 
						|
        }); | 
						|
        rulesToInsert[lastArea].lastRule = gridAreaRule; | 
						|
        lastRuleIsSet = true; | 
						|
      } else if (rule.hasDuplicates && !rule.params && !selectorIsComplex) { | 
						|
        (function () { | 
						|
          // grid-template has duplicates and not inside media rule | 
						|
          var cloned = gridAreaRule.clone(); | 
						|
          cloned.removeAll(); | 
						|
          getMSDecls(area, area.row.updateSpan, area.column.updateSpan).reverse().forEach(function (i) { | 
						|
            return 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)/, function (d) { | 
						|
          return d.remove(); | 
						|
        }); | 
						|
        getMSDecls(area, area.row.updateSpan, area.column.updateSpan).reverse().forEach(function (i) { | 
						|
          return gridAreaRule.prepend(Object.assign(i, { | 
						|
            raws: { | 
						|
              between: gridArea.raws.between | 
						|
            } | 
						|
          })); | 
						|
        }); | 
						|
      } else if (rule.params) { | 
						|
        (function () { | 
						|
          // 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 | 
						|
          var cloned = gridAreaRule.clone(); | 
						|
          cloned.removeAll(); | 
						|
          getMSDecls(area, area.row.updateSpan, area.column.updateSpan).reverse().forEach(function (i) { | 
						|
            return 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(function (area) { | 
						|
    var data = rulesToInsert[area]; | 
						|
    var lastRule = data.lastRule; | 
						|
    Object.keys(data).reverse().filter(function (p) { | 
						|
      return p !== 'lastRule'; | 
						|
    }).forEach(function (params) { | 
						|
      if (data[params].length > 0 && lastRule) { | 
						|
        lastRule.after({ | 
						|
          name: 'media', | 
						|
          params: 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} | 
						|
 */ | 
						|
 | 
						|
 | 
						|
function warnMissedAreas(areas, decl, result) { | 
						|
  var missed = Object.keys(areas); | 
						|
  decl.root().walkDecls('grid-area', function (gridArea) { | 
						|
    missed = missed.filter(function (e) { | 
						|
      return 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} | 
						|
 */ | 
						|
 | 
						|
 | 
						|
function warnTemplateSelectorNotFound(decl, result) { | 
						|
  var rule = decl.parent; | 
						|
  var root = decl.root(); | 
						|
  var duplicatesFound = false; // slice selector array. Remove the last part (for comparison) | 
						|
 | 
						|
  var slicedSelectorArr = list.space(rule.selector).filter(function (str) { | 
						|
    return 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) { | 
						|
    var gridTemplateFound = false; | 
						|
    var foundAreaSelector = null; | 
						|
    root.walkDecls(/grid-template(-areas)?$/, function (d) { | 
						|
      var parent = d.parent; | 
						|
      var templateSelectors = parent.selectors; | 
						|
 | 
						|
      var _parseTemplate2 = parseTemplate({ | 
						|
        decl: d, | 
						|
        gap: getGridGap(d) | 
						|
      }), | 
						|
          areas = _parseTemplate2.areas; | 
						|
 | 
						|
      var hasArea = areas[decl.value]; // find the the matching selectors | 
						|
 | 
						|
      for (var _iterator3 = templateSelectors, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) { | 
						|
        var _ref10; | 
						|
 | 
						|
        if (_isArray3) { | 
						|
          if (_i3 >= _iterator3.length) break; | 
						|
          _ref10 = _iterator3[_i3++]; | 
						|
        } else { | 
						|
          _i3 = _iterator3.next(); | 
						|
          if (_i3.done) break; | 
						|
          _ref10 = _i3.value; | 
						|
        } | 
						|
 | 
						|
        var tplSelector = _ref10; | 
						|
 | 
						|
        if (gridTemplateFound) { | 
						|
          break; | 
						|
        } | 
						|
 | 
						|
        var tplSelectorArr = list.space(tplSelector).filter(function (str) { | 
						|
          return str !== '>'; | 
						|
        }); | 
						|
        gridTemplateFound = tplSelectorArr.every(function (item, idx) { | 
						|
          return 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} | 
						|
 */ | 
						|
 | 
						|
 | 
						|
function warnIfGridRowColumnExists(decl, result) { | 
						|
  var rule = decl.parent; | 
						|
  var decls = []; | 
						|
  rule.walkDecls(/^grid-(row|column)/, function (d) { | 
						|
    if (!/-end$/.test(d.prop) && !/^span/.test(d.value)) { | 
						|
      decls.push(d); | 
						|
    } | 
						|
  }); | 
						|
 | 
						|
  if (decls.length > 0) { | 
						|
    decls.forEach(function (d) { | 
						|
      d.warn(result, "You already have a grid-area declaration present in the rule. " + ("You should use either grid-area or " + d.prop + ", not both")); | 
						|
    }); | 
						|
  } | 
						|
 | 
						|
  return undefined; | 
						|
} // Gap utils | 
						|
 | 
						|
 | 
						|
function getGridGap(decl) { | 
						|
  var gap = {}; // try to find gap | 
						|
 | 
						|
  var testGap = /^(grid-)?((row|column)-)?gap$/; | 
						|
  decl.parent.walkDecls(testGap, function (_ref11) { | 
						|
    var prop = _ref11.prop, | 
						|
        value = _ref11.value; | 
						|
 | 
						|
    if (/^(grid-)?gap$/.test(prop)) { | 
						|
      var _parser$nodes = parser(value).nodes, | 
						|
          row = _parser$nodes[0], | 
						|
          column = _parser$nodes[2]; | 
						|
      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 false; | 
						|
  } | 
						|
 | 
						|
  var parsed = parser(params); | 
						|
  var prop; | 
						|
  var value; | 
						|
  parsed.walk(function (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) { | 
						|
  var result; // get arrays of selector split in 3-deep array | 
						|
 | 
						|
  var splitSelectorArrA = splitSelector(selA); | 
						|
  var 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') | 
						|
    var idx = splitSelectorArrA[0].reduce(function (res, _ref12, index) { | 
						|
      var item = _ref12[0]; | 
						|
      var firstSelectorPart = splitSelectorArrB[0][0][0]; | 
						|
 | 
						|
      if (item === firstSelectorPart) { | 
						|
        return index; | 
						|
      } | 
						|
 | 
						|
      return false; | 
						|
    }, false); | 
						|
 | 
						|
    if (idx) { | 
						|
      result = splitSelectorArrB[0].every(function (arr, index) { | 
						|
        return arr.every(function (part, innerIndex) { | 
						|
          return (// 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(function (byCommaArr) { | 
						|
      return byCommaArr.every(function (bySpaceArr, index) { | 
						|
        return bySpaceArr.every(function (part, innerIndex) { | 
						|
          return 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) | 
						|
 */ | 
						|
 | 
						|
 | 
						|
function inheritGridGap(decl, gap) { | 
						|
  var rule = decl.parent; | 
						|
  var mediaRule = getParentMedia(rule); | 
						|
  var root = rule.root(); // get an array of selector split in 3-deep array | 
						|
 | 
						|
  var splitSelectorArr = splitSelector(rule.selector); // abort if the rule already has gaps | 
						|
 | 
						|
  if (Object.keys(gap).length > 0) { | 
						|
    return false; | 
						|
  } // e.g ['min-width'] | 
						|
 | 
						|
 | 
						|
  var _parseMediaParams = parseMediaParams(mediaRule.params), | 
						|
      prop = _parseMediaParams[0]; | 
						|
 | 
						|
  var lastBySpace = splitSelectorArr[0]; // get escaped value from the selector | 
						|
  // if we have '.grid-2.foo.bar' selector, will be '\.grid\-2' | 
						|
 | 
						|
  var escaped = escapeRegexp(lastBySpace[lastBySpace.length - 1][0]); | 
						|
  var regexp = new RegExp("(" + escaped + "$)|(" + escaped + "[,.])"); // find the closest rule with the same selector | 
						|
 | 
						|
  var closestRuleGap; | 
						|
  root.walkRules(regexp, function (r) { | 
						|
    var gridGap; // abort if are checking the same rule | 
						|
 | 
						|
    if (rule.toString() === r.toString()) { | 
						|
      return false; | 
						|
    } // find grid-gap values | 
						|
 | 
						|
 | 
						|
    r.walkDecls('grid-gap', function (d) { | 
						|
      return 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; | 
						|
    } | 
						|
 | 
						|
    var media = getParentMedia(r); | 
						|
 | 
						|
    if (media) { | 
						|
      // if we are inside media, we need to check that media props match | 
						|
      // e.g ('min-width' === 'min-width') | 
						|
      var 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; | 
						|
} | 
						|
 | 
						|
function warnGridGap(_ref13) { | 
						|
  var gap = _ref13.gap, | 
						|
      hasColumns = _ref13.hasColumns, | 
						|
      decl = _ref13.decl, | 
						|
      result = _ref13.result; | 
						|
  var 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) { | 
						|
  var normalized = parser(str).nodes.reduce(function (result, node) { | 
						|
    if (node.type === 'function' && node.value === 'repeat') { | 
						|
      var key = 'count'; | 
						|
 | 
						|
      var _node$nodes$reduce = node.nodes.reduce(function (acc, n) { | 
						|
        if (n.type === 'word' && key === 'count') { | 
						|
          acc[0] = Math.abs(parseInt(n.value)); | 
						|
          return acc; | 
						|
        } | 
						|
 | 
						|
        if (n.type === 'div' && n.value === ',') { | 
						|
          key = 'value'; | 
						|
          return acc; | 
						|
        } | 
						|
 | 
						|
        if (key === 'value') { | 
						|
          acc[1] += parser.stringify(n); | 
						|
        } | 
						|
 | 
						|
        return acc; | 
						|
      }, [0, '']), | 
						|
          count = _node$nodes$reduce[0], | 
						|
          value = _node$nodes$reduce[1]; | 
						|
 | 
						|
      if (count) { | 
						|
        for (var i = 0; i < count; i++) { | 
						|
          result.push(value); | 
						|
        } | 
						|
      } | 
						|
 | 
						|
      return result; | 
						|
    } | 
						|
 | 
						|
    if (node.type === 'space') { | 
						|
      return result; | 
						|
    } | 
						|
 | 
						|
    return result.concat(parser.stringify(node)); | 
						|
  }, []); | 
						|
  return normalized; | 
						|
} | 
						|
/** | 
						|
 * 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) { | 
						|
  if (autoflowValue === void 0) { | 
						|
    autoflowValue = 'row'; | 
						|
  } | 
						|
 | 
						|
  var parent = decl.parent; | 
						|
  var rowDecl = parent.nodes.find(function (i) { | 
						|
    return i.prop === 'grid-template-rows'; | 
						|
  }); | 
						|
  var rows = normalizeRowColumn(rowDecl.value); | 
						|
  var 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'] | 
						|
 | 
						|
  var filledRows = rows.map(function (_, rowIndex) { | 
						|
    return Array.from({ | 
						|
      length: columns.length | 
						|
    }, function (v, k) { | 
						|
      return k + rowIndex * columns.length + 1; | 
						|
    }).join(' '); | 
						|
  }); | 
						|
  var areas = parseGridAreas({ | 
						|
    rows: filledRows, | 
						|
    gap: gap | 
						|
  }); | 
						|
  var keys = Object.keys(areas); | 
						|
  var items = keys.map(function (i) { | 
						|
    return areas[i]; | 
						|
  }); // Change the order of cells if grid-auto-flow value is 'column' | 
						|
 | 
						|
  if (autoflowValue.includes('column')) { | 
						|
    items = items.sort(function (a, b) { | 
						|
      return a.column.start - b.column.start; | 
						|
    }); | 
						|
  } // Insert new rules | 
						|
 | 
						|
 | 
						|
  items.reverse().forEach(function (item, index) { | 
						|
    var column = item.column, | 
						|
        row = item.row; | 
						|
    var nodeSelector = parent.selectors.map(function (sel) { | 
						|
      return sel + (" > *:nth-child(" + (keys.length - index) + ")"); | 
						|
    }).join(', '); // create new rule | 
						|
 | 
						|
    var 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; | 
						|
} | 
						|
 | 
						|
module.exports = { | 
						|
  parse: parse, | 
						|
  translate: translate, | 
						|
  parseTemplate: parseTemplate, | 
						|
  parseGridAreas: parseGridAreas, | 
						|
  warnMissedAreas: warnMissedAreas, | 
						|
  insertAreas: insertAreas, | 
						|
  insertDecl: insertDecl, | 
						|
  prefixTrackProp: prefixTrackProp, | 
						|
  prefixTrackValue: prefixTrackValue, | 
						|
  getGridGap: getGridGap, | 
						|
  warnGridGap: warnGridGap, | 
						|
  warnTemplateSelectorNotFound: warnTemplateSelectorNotFound, | 
						|
  warnIfGridRowColumnExists: warnIfGridRowColumnExists, | 
						|
  inheritGridGap: inheritGridGap, | 
						|
  autoplaceGridItems: autoplaceGridItems | 
						|
}; |