Converting getAnchor into a property

src/js/parser/javascript/charset.js

@@ -20,18 +20,6 @@ export default {
       });
   },
 
-  _getAnchor() {
-    var box = this.container.getBBox(),
-        matrix = this.transform().localMatrix;
-
-    return {
-      atype: this.type,
-      ax: box.x,
-      ax2: box.x2,
-      ay: matrix.y(0, this.partContainer.getBBox().cy)
-    };
-  },
-
   setup() {
     this.invert = this.properties.invert !== '';
     this.elements = _.unique(this.properties.parts.elements, part => {
@@ -41,5 +29,19 @@ export default {
         return part.textValue;
       }
     });
+
+    Object.defineProperty(this, '_anchor', {
+      get: function() {
+        var box = this.container.getBBox(),
+            matrix = this.transform().localMatrix;
+
+        return {
+          atype: this.type,
+          ax: box.x,
+          ax2: box.x2,
+          ay: matrix.y(0, this.partContainer.getBBox().cy)
+        };
+      }
+    });
   }
 };

src/js/parser/javascript/match.js

@@ -47,19 +47,6 @@ export default {
       });
   },
 
-  _getAnchor() {
-    var start = this.normalizeBBox(_.first(this.items).getBBox()),
-        end = this.normalizeBBox(_.last(this.items).getBBox()),
-        matrix = this.transform().localMatrix;
-
-    return {
-      atype: [start.atype, end.atype].join('/'),
-      ax: matrix.x(start.ax, start.ay),
-      ax2: matrix.x(end.ax2, end.ay),
-      ay: matrix.y(start.ax, start.ay)
-    };
-  },
-
   setup() {
     this.parts = _.reduce(this.properties.parts.elements, function(result, node) {
       var last = _.last(result);
@@ -79,5 +66,20 @@ export default {
     if (!this.anchorStart && !this.anchorEnd && this.parts.length === 1) {
       this.proxy = this.parts[0];
     }
+
+    Object.defineProperty(this, '_anchor', {
+      get: function() {
+        var start = this.normalizeBBox(_.first(this.items).getBBox()),
+            end = this.normalizeBBox(_.last(this.items).getBBox()),
+            matrix = this.transform().localMatrix;
+
+        return {
+          atype: [start.atype, end.atype].join('/'),
+          ax: matrix.x(start.ax, start.ay),
+          ax2: matrix.x(end.ax2, end.ay),
+          ay: matrix.y(start.ax, start.ay)
+        };
+      }
+    });
   }
 };

src/js/parser/javascript/match_fragment.js

@@ -55,17 +55,6 @@ export default {
       });
   },
 
-  _getAnchor() {
-    var anchor = this.content.getAnchor(),
-        matrix = this.transform().localMatrix;
-
-    return _.extend(anchor, {
-      ax: matrix.x(anchor.ax, anchor.ay),
-      ax2: matrix.x(anchor.ax2, anchor.ay),
-      ay: matrix.y(anchor.ax, anchor.ay)
-    });
-  },
-
   setup() {
     this.content = this.properties.content;
     this.canMerge = (this.elements[0].type === 'literal' && this.elements[1].textValue === '');
@@ -75,5 +64,18 @@ export default {
     } else {
       this.proxy = this.content;
     }
+
+    Object.defineProperty(this, '_anchor', {
+      get: function() {
+        var anchor = this.content.anchor,
+            matrix = this.transform().localMatrix;
+
+        return _.extend(anchor, {
+          ax: matrix.x(anchor.ax, anchor.ay),
+          ax2: matrix.x(anchor.ax2, anchor.ay),
+          ay: matrix.y(anchor.ax, anchor.ay)
+        });
+      }
+    });
   }
 };

src/js/parser/javascript/node.js

@@ -29,27 +29,25 @@ export default class Node {
     return this._container;
   }
 
-  getAnchor() {
+  get anchor() {
+    var box;
+
     if (this.proxy) {
-      return this.proxy.getAnchor();
+      return this.proxy.anchor;
     } else {
-      return this._getAnchor();
-    }
-  }
+      box = this.container.getBBox();
 
-  _getAnchor() {
-    var box = this.container.getBBox();
-
-    return {
+      return _.extend({
         atype: this.type,
         ax: box.x,
         ax2: box.x2,
         ay: box.cy
-    };
+      }, this._anchor || {});
+    }
   }
 
   getBBox() {
-    return _.extend(this.container.getBBox(), this.getAnchor());
+    return _.extend(this.container.getBBox(), this.anchor);
   }
 
   normalizeBBox(box) {

src/js/parser/javascript/subexp.js

@@ -22,17 +22,6 @@ export default {
     groupCounter = 1;
   },
 
-  _getAnchor() {
-    var anchor = this.regexp.getAnchor(),
-        matrix = this.transform().localMatrix;
-
-    return _.extend(anchor, {
-      ax: matrix.x(anchor.ax, anchor.ay),
-      ax2: matrix.x(anchor.ax2, anchor.ay),
-      ay: matrix.y(anchor.ax, anchor.ay)
-    });
-  },
-
   setup() {
     if (_.has(this.labelMap, this.properties.capture.textValue)) {
       this.label = this.labelMap[this.properties.capture.textValue];
@@ -45,5 +34,18 @@ export default {
     if (!this.label) {
       this.proxy = this.regexp;
     }
+
+    Object.defineProperty(this, '_anchor', {
+      get: function() {
+        var anchor = this.regexp.anchor,
+            matrix = this.transform().localMatrix;
+
+        return _.extend(anchor, {
+          ax: matrix.x(anchor.ax, anchor.ay),
+          ax2: matrix.x(anchor.ax2, anchor.ay),
+          ay: matrix.y(anchor.ax, anchor.ay)
+        });
+      }
+    });
   }
 };