initial commit

node_modules/postcss-merge-longhand/dist/lib/decl/boxBase.js

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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _stylehacks = require('stylehacks');
+
+var _canMerge = require('../canMerge');
+
+var _canMerge2 = _interopRequireDefault(_canMerge);
+
+var _getDecls = require('../getDecls');
+
+var _getDecls2 = _interopRequireDefault(_getDecls);
+
+var _minifyTrbl = require('../minifyTrbl');
+
+var _minifyTrbl2 = _interopRequireDefault(_minifyTrbl);
+
+var _parseTrbl = require('../parseTrbl');
+
+var _parseTrbl2 = _interopRequireDefault(_parseTrbl);
+
+var _insertCloned = require('../insertCloned');
+
+var _insertCloned2 = _interopRequireDefault(_insertCloned);
+
+var _mergeRules = require('../mergeRules');
+
+var _mergeRules2 = _interopRequireDefault(_mergeRules);
+
+var _mergeValues = require('../mergeValues');
+
+var _mergeValues2 = _interopRequireDefault(_mergeValues);
+
+var _remove = require('../remove');
+
+var _remove2 = _interopRequireDefault(_remove);
+
+var _trbl = require('../trbl');
+
+var _trbl2 = _interopRequireDefault(_trbl);
+
+var _isCustomProp = require('../isCustomProp');
+
+var _isCustomProp2 = _interopRequireDefault(_isCustomProp);
+
+var _canExplode = require('../canExplode');
+
+var _canExplode2 = _interopRequireDefault(_canExplode);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.default = prop => {
+    const properties = _trbl2.default.map(direction => `${prop}-${direction}`);
+
+    const cleanup = rule => {
+        let decls = (0, _getDecls2.default)(rule, [prop].concat(properties));
+
+        while (decls.length) {
+            const lastNode = decls[decls.length - 1];
+
+            // remove properties of lower precedence
+            const lesser = decls.filter(node => !(0, _stylehacks.detect)(lastNode) && !(0, _stylehacks.detect)(node) && node !== lastNode && node.important === lastNode.important && lastNode.prop === prop && node.prop !== lastNode.prop);
+
+            lesser.forEach(_remove2.default);
+            decls = decls.filter(node => !~lesser.indexOf(node));
+
+            // get duplicate properties
+            let duplicates = decls.filter(node => !(0, _stylehacks.detect)(lastNode) && !(0, _stylehacks.detect)(node) && node !== lastNode && node.important === lastNode.important && node.prop === lastNode.prop && !(!(0, _isCustomProp2.default)(node) && (0, _isCustomProp2.default)(lastNode)));
+
+            duplicates.forEach(_remove2.default);
+            decls = decls.filter(node => node !== lastNode && !~duplicates.indexOf(node));
+        }
+    };
+
+    const processor = {
+        explode: rule => {
+            rule.walkDecls(new RegExp("^" + prop + "$", "i"), decl => {
+                if (!(0, _canExplode2.default)(decl)) {
+                    return;
+                }
+
+                if ((0, _stylehacks.detect)(decl)) {
+                    return;
+                }
+
+                const values = (0, _parseTrbl2.default)(decl.value);
+
+                _trbl2.default.forEach((direction, index) => {
+                    (0, _insertCloned2.default)(decl.parent, decl, {
+                        prop: properties[index],
+                        value: values[index]
+                    });
+                });
+
+                decl.remove();
+            });
+        },
+        merge: rule => {
+            (0, _mergeRules2.default)(rule, properties, (rules, lastNode) => {
+                if ((0, _canMerge2.default)(rules) && !rules.some(_stylehacks.detect)) {
+                    (0, _insertCloned2.default)(lastNode.parent, lastNode, {
+                        prop,
+                        value: (0, _minifyTrbl2.default)((0, _mergeValues2.default)(...rules))
+                    });
+                    rules.forEach(_remove2.default);
+
+                    return true;
+                }
+            });
+
+            cleanup(rule);
+        }
+    };
+
+    return processor;
+};
+
+module.exports = exports['default'];