--- /dev/null
+'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 TransformDecl = function (_Declaration) {
+ _inherits(TransformDecl, _Declaration);
+
+ function TransformDecl() {
+ _classCallCheck(this, TransformDecl);
+
+ return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+ }
+
+ /**
+ * Recursively check all parents for @keyframes
+ */
+ TransformDecl.prototype.keyframeParents = function keyframeParents(decl) {
+ var parent = decl.parent;
+
+ while (parent) {
+ if (parent.type === 'atrule' && parent.name === 'keyframes') {
+ return true;
+ }
+ var _parent = parent;
+ parent = _parent.parent;
+ }
+ return false;
+ };
+
+ /**
+ * Is transform contain 3D commands
+ */
+
+
+ TransformDecl.prototype.contain3d = function contain3d(decl) {
+ if (decl.prop === 'transform-origin') {
+ return false;
+ }
+
+ for (var _iterator = TransformDecl.functions3d, _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 func = _ref;
+
+ if (decl.value.indexOf(func + '(') !== -1) {
+ return true;
+ }
+ }
+
+ return false;
+ };
+
+ /**
+ * Replace rotateZ to rotate for IE 9
+ */
+
+
+ TransformDecl.prototype.set = function set(decl, prefix) {
+ decl = _Declaration.prototype.set.call(this, decl, prefix);
+ if (prefix === '-ms-') {
+ decl.value = decl.value.replace(/rotateZ/gi, 'rotate');
+ }
+ return decl;
+ };
+
+ /**
+ * Don't add prefix for IE in keyframes
+ */
+
+
+ TransformDecl.prototype.insert = function insert(decl, prefix, prefixes) {
+ if (prefix === '-ms-') {
+ if (!this.contain3d(decl) && !this.keyframeParents(decl)) {
+ return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+ }
+ } else if (prefix === '-o-') {
+ if (!this.contain3d(decl)) {
+ return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+ }
+ } else {
+ return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+ }
+ return undefined;
+ };
+
+ return TransformDecl;
+}(Declaration);
+
+Object.defineProperty(TransformDecl, 'names', {
+ enumerable: true,
+ writable: true,
+ value: ['transform', 'transform-origin']
+});
+Object.defineProperty(TransformDecl, 'functions3d', {
+ enumerable: true,
+ writable: true,
+ value: ['matrix3d', 'translate3d', 'translateZ', 'scale3d', 'scaleZ', 'rotate3d', 'rotateX', 'rotateY', 'perspective']
+});
+
+
+module.exports = TransformDecl;
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