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1150 lines
31 KiB
1150 lines
31 KiB
"use strict";
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var parser = require('postcss-value-parser');
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var list = require('postcss').list;
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var uniq = require('../utils').uniq;
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var escapeRegexp = require('../utils').escapeRegexp;
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var splitSelector = require('../utils').splitSelector;
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function convert(value) {
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if (value && value.length === 2 && value[0] === 'span' && parseInt(value[1], 10) > 0) {
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return [false, parseInt(value[1], 10)];
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}
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if (value && value.length === 1 && parseInt(value[0], 10) > 0) {
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return [parseInt(value[0], 10), false];
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}
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return [false, false];
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}
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function translate(values, startIndex, endIndex) {
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var startValue = values[startIndex];
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var endValue = values[endIndex];
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if (!startValue) {
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return [false, false];
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}
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var _convert = convert(startValue),
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start = _convert[0],
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spanStart = _convert[1];
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var _convert2 = convert(endValue),
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end = _convert2[0],
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spanEnd = _convert2[1];
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if (start && !endValue) {
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return [start, false];
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}
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if (spanStart && end) {
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return [end - spanStart, spanStart];
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}
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if (start && spanEnd) {
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return [start, spanEnd];
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}
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if (start && end) {
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return [start, end - start];
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}
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return [false, false];
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}
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function parse(decl) {
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var node = parser(decl.value);
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var values = [];
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var current = 0;
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values[current] = [];
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for (var _iterator = node.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
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var _ref;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref = _i.value;
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}
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var i = _ref;
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if (i.type === 'div') {
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current += 1;
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values[current] = [];
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} else if (i.type === 'word') {
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values[current].push(i.value);
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}
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}
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return values;
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}
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function insertDecl(decl, prop, value) {
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if (value && !decl.parent.some(function (i) {
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return i.prop === "-ms-" + prop;
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})) {
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decl.cloneBefore({
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prop: "-ms-" + prop,
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value: value.toString()
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});
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}
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} // Track transforms
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function prefixTrackProp(_ref2) {
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var prop = _ref2.prop,
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prefix = _ref2.prefix;
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return prefix + prop.replace('template-', '');
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}
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function transformRepeat(_ref3, _ref4) {
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var nodes = _ref3.nodes;
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var gap = _ref4.gap;
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var _nodes$reduce = nodes.reduce(function (result, node) {
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if (node.type === 'div' && node.value === ',') {
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result.key = 'size';
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} else {
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result[result.key].push(parser.stringify(node));
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}
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return result;
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}, {
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key: 'count',
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size: [],
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count: []
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}),
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count = _nodes$reduce.count,
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size = _nodes$reduce.size; // insert gap values
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if (gap) {
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var _ret = function () {
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size = size.filter(function (i) {
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return i.trim();
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});
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var val = [];
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var _loop = function _loop(i) {
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size.forEach(function (item, index) {
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if (index > 0 || i > 1) {
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val.push(gap);
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}
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val.push(item);
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});
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};
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for (var i = 1; i <= count; i++) {
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_loop(i);
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}
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return {
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v: val.join(' ')
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};
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}();
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if (typeof _ret === "object") return _ret.v;
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}
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return "(" + size.join('') + ")[" + count.join('') + "]";
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}
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function prefixTrackValue(_ref5) {
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var value = _ref5.value,
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gap = _ref5.gap;
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var result = parser(value).nodes.reduce(function (nodes, node) {
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if (node.type === 'function' && node.value === 'repeat') {
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return nodes.concat({
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type: 'word',
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value: transformRepeat(node, {
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gap: gap
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})
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});
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}
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if (gap && node.type === 'space') {
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return nodes.concat({
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type: 'space',
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value: ' '
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}, {
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type: 'word',
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value: gap
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}, node);
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}
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return nodes.concat(node);
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}, []);
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return parser.stringify(result);
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} // Parse grid-template-areas
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var DOTS = /^\.+$/;
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function track(start, end) {
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return {
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start: start,
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end: end,
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span: end - start
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};
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}
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function getColumns(line) {
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return line.trim().split(/\s+/g);
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}
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function parseGridAreas(_ref6) {
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var rows = _ref6.rows,
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gap = _ref6.gap;
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return rows.reduce(function (areas, line, rowIndex) {
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if (gap.row) rowIndex *= 2;
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if (line.trim() === '') return areas;
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getColumns(line).forEach(function (area, columnIndex) {
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if (DOTS.test(area)) return;
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if (gap.column) columnIndex *= 2;
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if (typeof areas[area] === 'undefined') {
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areas[area] = {
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column: track(columnIndex + 1, columnIndex + 2),
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row: track(rowIndex + 1, rowIndex + 2)
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};
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} else {
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var _areas$area = areas[area],
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column = _areas$area.column,
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row = _areas$area.row;
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column.start = Math.min(column.start, columnIndex + 1);
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column.end = Math.max(column.end, columnIndex + 2);
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column.span = column.end - column.start;
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row.start = Math.min(row.start, rowIndex + 1);
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row.end = Math.max(row.end, rowIndex + 2);
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row.span = row.end - row.start;
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}
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});
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return areas;
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}, {});
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} // Parse grid-template
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function testTrack(node) {
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return node.type === 'word' && /^\[.+]$/.test(node.value);
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}
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function verifyRowSize(result) {
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if (result.areas.length > result.rows.length) {
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result.rows.push('auto');
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}
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return result;
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}
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function parseTemplate(_ref7) {
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var decl = _ref7.decl,
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gap = _ref7.gap;
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var gridTemplate = parser(decl.value).nodes.reduce(function (result, node) {
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var type = node.type,
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value = node.value;
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if (testTrack(node) || type === 'space') return result; // area
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if (type === 'string') {
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result = verifyRowSize(result);
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result.areas.push(value);
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} // values and function
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if (type === 'word' || type === 'function') {
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result[result.key].push(parser.stringify(node));
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} // divider(/)
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if (type === 'div' && value === '/') {
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result.key = 'columns';
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result = verifyRowSize(result);
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}
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return result;
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}, {
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key: 'rows',
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columns: [],
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rows: [],
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areas: []
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});
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return {
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areas: parseGridAreas({
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rows: gridTemplate.areas,
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gap: gap
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}),
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columns: prefixTrackValue({
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value: gridTemplate.columns.join(' '),
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gap: gap.column
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}),
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rows: prefixTrackValue({
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value: gridTemplate.rows.join(' '),
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gap: gap.row
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})
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};
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} // Insert parsed grid areas
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/**
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* Get an array of -ms- prefixed props and values
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* @param {Object} [area] area object with column and row data
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* @param {Boolean} [addRowSpan] should we add grid-column-row value?
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* @param {Boolean} [addColumnSpan] should we add grid-column-span value?
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* @return {Array<Object>}
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*/
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function getMSDecls(area, addRowSpan, addColumnSpan) {
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if (addRowSpan === void 0) {
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addRowSpan = false;
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}
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if (addColumnSpan === void 0) {
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addColumnSpan = false;
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}
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return [].concat({
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prop: '-ms-grid-row',
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value: String(area.row.start)
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}, area.row.span > 1 || addRowSpan ? {
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prop: '-ms-grid-row-span',
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value: String(area.row.span)
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} : [], {
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prop: '-ms-grid-column',
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value: String(area.column.start)
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}, area.column.span > 1 || addColumnSpan ? {
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prop: '-ms-grid-column-span',
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value: String(area.column.span)
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} : []);
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}
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function getParentMedia(parent) {
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if (parent.type === 'atrule' && parent.name === 'media') {
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return parent;
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}
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if (!parent.parent) {
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return false;
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}
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return getParentMedia(parent.parent);
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}
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/**
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* change selectors for rules with duplicate grid-areas.
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* @param {Array<Rule>} rules
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* @param {Array<String>} templateSelectors
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* @return {Array<Rule>} rules with changed selectors
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*/
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function changeDuplicateAreaSelectors(ruleSelectors, templateSelectors) {
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ruleSelectors = ruleSelectors.map(function (selector) {
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var selectorBySpace = list.space(selector);
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var selectorByComma = list.comma(selector);
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if (selectorBySpace.length > selectorByComma.length) {
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selector = selectorBySpace.slice(-1).join('');
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}
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return selector;
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});
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return ruleSelectors.map(function (ruleSelector) {
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var newSelector = templateSelectors.map(function (tplSelector, index) {
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var space = index === 0 ? '' : ' ';
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return "" + space + tplSelector + " > " + ruleSelector;
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});
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return newSelector;
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});
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}
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/**
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* check if selector of rules are equal
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* @param {Rule} ruleA
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* @param {Rule} ruleB
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* @return {Boolean}
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*/
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function selectorsEqual(ruleA, ruleB) {
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return ruleA.selectors.some(function (sel) {
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return ruleB.selectors.some(function (s) {
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return s === sel;
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});
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});
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}
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/**
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* Parse data from all grid-template(-areas) declarations
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* @param {Root} css css root
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* @return {Object} parsed data
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*/
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function parseGridTemplatesData(css) {
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var parsed = []; // we walk through every grid-template(-areas) declaration and store
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// data with the same area names inside the item
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css.walkDecls(/grid-template(-areas)?$/, function (d) {
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var rule = d.parent;
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var media = getParentMedia(rule);
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var gap = getGridGap(d);
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var inheritedGap = inheritGridGap(d, gap);
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var _parseTemplate = parseTemplate({
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decl: d,
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gap: inheritedGap || gap
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}),
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areas = _parseTemplate.areas;
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var areaNames = Object.keys(areas); // skip node if it doesn't have areas
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if (areaNames.length === 0) {
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return true;
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} // check parsed array for item that include the same area names
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// return index of that item
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var index = parsed.reduce(function (acc, _ref8, idx) {
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var allAreas = _ref8.allAreas;
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var hasAreas = allAreas && areaNames.some(function (area) {
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return allAreas.includes(area);
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});
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return hasAreas ? idx : acc;
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}, null);
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if (index !== null) {
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// index is found, add the grid-template data to that item
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var _parsed$index = parsed[index],
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allAreas = _parsed$index.allAreas,
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rules = _parsed$index.rules; // check if rule has no duplicate area names
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var hasNoDuplicates = rules.some(function (r) {
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return r.hasDuplicates === false && selectorsEqual(r, rule);
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});
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var duplicatesFound = false; // check need to gather all duplicate area names
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var duplicateAreaNames = rules.reduce(function (acc, r) {
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if (!r.params && selectorsEqual(r, rule)) {
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duplicatesFound = true;
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return r.duplicateAreaNames;
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}
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if (!duplicatesFound) {
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areaNames.forEach(function (name) {
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if (r.areas[name]) {
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acc.push(name);
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}
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});
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}
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return uniq(acc);
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}, []); // update grid-row/column-span values for areas with duplicate
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// area names. @see #1084 and #1146
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rules.forEach(function (r) {
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areaNames.forEach(function (name) {
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var area = r.areas[name];
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if (area && area.row.span !== areas[name].row.span) {
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areas[name].row.updateSpan = true;
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}
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if (area && area.column.span !== areas[name].column.span) {
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areas[name].column.updateSpan = true;
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}
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});
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});
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parsed[index].allAreas = uniq([].concat(allAreas, areaNames));
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parsed[index].rules.push({
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hasDuplicates: !hasNoDuplicates,
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params: media.params,
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selectors: rule.selectors,
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node: rule,
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duplicateAreaNames: duplicateAreaNames,
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areas: areas
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});
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} else {
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// index is NOT found, push the new item to the parsed array
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parsed.push({
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allAreas: areaNames,
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areasCount: 0,
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rules: [{
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hasDuplicates: false,
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duplicateRules: [],
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params: media.params,
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selectors: rule.selectors,
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node: rule,
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duplicateAreaNames: [],
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areas: areas
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}]
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});
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}
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return undefined;
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});
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return parsed;
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}
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/**
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* insert prefixed grid-area declarations
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* @param {Root} css css root
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* @param {Function} isDisabled check if the rule is disabled
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* @return {void}
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*/
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function insertAreas(css, isDisabled) {
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// parse grid-template declarations
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var gridTemplatesData = parseGridTemplatesData(css); // return undefined if no declarations found
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if (gridTemplatesData.length === 0) {
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return undefined;
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} // we need to store the rules that we will insert later
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var rulesToInsert = {};
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css.walkDecls('grid-area', function (gridArea) {
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var gridAreaRule = gridArea.parent;
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var hasPrefixedRow = gridAreaRule.first.prop === '-ms-grid-row';
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var gridAreaMedia = getParentMedia(gridAreaRule);
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if (isDisabled(gridArea)) {
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return undefined;
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}
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var gridAreaRuleIndex = gridAreaMedia ? css.index(gridAreaMedia) : css.index(gridAreaRule);
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var value = gridArea.value; // found the data that matches grid-area identifier
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var data = gridTemplatesData.filter(function (d) {
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return d.allAreas.includes(value);
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})[0];
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if (!data) {
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return true;
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}
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var lastArea = data.allAreas[data.allAreas.length - 1];
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var selectorBySpace = list.space(gridAreaRule.selector);
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var selectorByComma = list.comma(gridAreaRule.selector);
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var selectorIsComplex = selectorBySpace.length > 1 && selectorBySpace.length > selectorByComma.length; // prevent doubling of prefixes
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if (hasPrefixedRow) {
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return false;
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} // create the empty object with the key as the last area name
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// e.g if we have templates with "a b c" values, "c" will be the last area
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if (!rulesToInsert[lastArea]) {
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rulesToInsert[lastArea] = {};
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}
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var lastRuleIsSet = false; // walk through every grid-template rule data
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for (var _iterator2 = data.rules, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
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var _ref9;
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if (_isArray2) {
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if (_i2 >= _iterator2.length) break;
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_ref9 = _iterator2[_i2++];
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} else {
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_i2 = _iterator2.next();
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if (_i2.done) break;
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_ref9 = _i2.value;
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}
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var rule = _ref9;
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var area = rule.areas[value];
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var hasDuplicateName = rule.duplicateAreaNames.includes(value); // if we can't find the area name, update lastRule and continue
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if (!area) {
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var lastRuleIndex = css.index(rulesToInsert[lastArea].lastRule);
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if (gridAreaRuleIndex > lastRuleIndex) {
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rulesToInsert[lastArea].lastRule = gridAreaMedia || gridAreaRule;
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}
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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 (!d.prop.endsWith('-end') && !d.value.startsWith('span')) {
|
|
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
|
|
};
|