ubdate

node_modules/autoprefixer/lib/hacks/mask-composite.js

@@ -0,0 +1,104 @@
+"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 _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+var Declaration = require('../declaration');
+
+var MaskComposite = /*#__PURE__*/function (_Declaration) {
+  _inheritsLoose(MaskComposite, _Declaration);
+
+  function MaskComposite() {
+    return _Declaration.apply(this, arguments) || this;
+  }
+
+  var _proto = MaskComposite.prototype;
+
+  /**
+   * Prefix mask-composite for webkit
+   */
+  _proto.insert = function insert(decl, prefix, prefixes) {
+    var isCompositeProp = decl.prop === 'mask-composite';
+    var compositeValues;
+
+    if (isCompositeProp) {
+      compositeValues = decl.value.split(',');
+    } else {
+      compositeValues = decl.value.match(MaskComposite.regexp) || [];
+    }
+
+    compositeValues = compositeValues.map(function (el) {
+      return el.trim();
+    }).filter(function (el) {
+      return el;
+    });
+    var hasCompositeValues = compositeValues.length;
+    var compositeDecl;
+
+    if (hasCompositeValues) {
+      compositeDecl = this.clone(decl);
+      compositeDecl.value = compositeValues.map(function (value) {
+        return MaskComposite.oldValues[value] || value;
+      }).join(', ');
+
+      if (compositeValues.includes('intersect')) {
+        compositeDecl.value += ', xor';
+      }
+
+      compositeDecl.prop = prefix + 'mask-composite';
+    }
+
+    if (isCompositeProp) {
+      if (!hasCompositeValues) {
+        return undefined;
+      }
+
+      if (this.needCascade(decl)) {
+        compositeDecl.raws.before = this.calcBefore(prefixes, decl, prefix);
+      }
+
+      return decl.parent.insertBefore(decl, compositeDecl);
+    }
+
+    var cloned = this.clone(decl);
+    cloned.prop = prefix + cloned.prop;
+
+    if (hasCompositeValues) {
+      cloned.value = cloned.value.replace(MaskComposite.regexp, '');
+    }
+
+    if (this.needCascade(decl)) {
+      cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+    }
+
+    decl.parent.insertBefore(decl, cloned);
+
+    if (!hasCompositeValues) {
+      return decl;
+    }
+
+    if (this.needCascade(decl)) {
+      compositeDecl.raws.before = this.calcBefore(prefixes, decl, prefix);
+    }
+
+    return decl.parent.insertBefore(decl, compositeDecl);
+  };
+
+  return MaskComposite;
+}(Declaration);
+
+_defineProperty(MaskComposite, "names", ['mask', 'mask-composite']);
+
+_defineProperty(MaskComposite, "oldValues", {
+  add: 'source-over',
+  substract: 'source-out',
+  intersect: 'source-in',
+  exclude: 'xor'
+});
+
+_defineProperty(MaskComposite, "regexp", new RegExp("\\s+(" + Object.keys(MaskComposite.oldValues).join('|') + ")\\b(?!\\))\\s*(?=[,])", 'ig'));
+
+module.exports = MaskComposite;