first commit

build/node_modules/autoprefixer/lib/hacks/grid-template-areas.js

@@ -0,0 +1,135 @@
+'use strict';
+
+function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }
+
+var Declaration = require('../declaration');
+
+var DOTS = /^\.+$/;
+
+function track(start, end) {
+    return { start: start, end: end, span: end - start };
+}
+
+function getRows(tpl) {
+    return tpl.trim().slice(1, -1).split(/['"]\s*['"]?/g);
+}
+
+function getColumns(line) {
+    return line.trim().split(/\s+/g);
+}
+
+function parseGridAreas(tpl) {
+    return getRows(tpl).reduce(function (areas, line, rowIndex) {
+        if (line.trim() === '') return areas;
+        getColumns(line).forEach(function (area, columnIndex) {
+            if (DOTS.test(area)) return;
+            if (typeof areas[area] === 'undefined') {
+                areas[area] = {
+                    column: track(columnIndex + 1, columnIndex + 2),
+                    row: track(rowIndex + 1, rowIndex + 2)
+                };
+            } else {
+                var _areas$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;
+    }, {});
+}
+
+var GridTemplateAreas = function (_Declaration) {
+    _inherits(GridTemplateAreas, _Declaration);
+
+    function GridTemplateAreas() {
+        _classCallCheck(this, GridTemplateAreas);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    GridTemplateAreas.prototype.getRoot = function getRoot(parent) {
+        if (parent.type === 'atrule' || !parent.parent) {
+            return parent;
+        }
+        return this.getRoot(parent.parent);
+    };
+
+    /**
+     * Translate grid-template-areas to separate -ms- prefixed properties
+     */
+
+
+    GridTemplateAreas.prototype.insert = function insert(decl, prefix, prefixes, result) {
+        if (prefix !== '-ms-') return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+
+        var areas = parseGridAreas(decl.value);
+        this.getRoot(decl.parent).walkDecls('grid-area', function (gridArea) {
+            var value = gridArea.value;
+            var area = areas[value];
+            delete areas[value];
+
+            if (gridArea.parent.some(function (i) {
+                return i.prop === '-ms-grid-row';
+            })) {
+                return undefined;
+            }
+
+            if (area) {
+                gridArea.cloneBefore({
+                    prop: '-ms-grid-row',
+                    value: String(area.row.start)
+                });
+                if (area.row.span > 1) {
+                    gridArea.cloneBefore({
+                        prop: '-ms-grid-row-span',
+                        value: String(area.row.span)
+                    });
+                }
+                gridArea.cloneBefore({
+                    prop: '-ms-grid-column',
+                    value: String(area.column.start)
+                });
+                if (area.column.span > 1) {
+                    gridArea.cloneBefore({
+                        prop: '-ms-grid-column-span',
+                        value: String(area.column.span)
+                    });
+                }
+            }
+            return undefined;
+        });
+
+        var missed = Object.keys(areas);
+        if (missed.length > 0) {
+            decl.warn(result, 'Can not find grid areas: ' + missed.join(', '));
+        }
+
+        return decl;
+    };
+
+    return GridTemplateAreas;
+}(Declaration);
+
+Object.defineProperty(GridTemplateAreas, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['grid-template-areas']
+});
+
+
+module.exports = GridTemplateAreas;