webidl2js - npm Package Compare versions

Comparing version 6.0.3 to 6.1.0

lib/constructs/attribute.js

@@ -21,2 +21,3 @@ "use strict";
   const shouldReflect = utils.getExtAttr(this.idl.extAttrs, "Reflect");
+  const sameObject = utils.getExtAttr(this.idl.extAttrs, "SameObject");
 
@@ -48,2 +49,6 @@ let objName = `this`;
 
+  if (sameObject) {
+    getterBody = `return utils.getSameObject(this, "${this.idl.name}", () => { ${getterBody} });`;
+  }
+
   str += `Object.defineProperty(${definedOn}, "${this.idl.name}", {
@@ -50,0 +55,0 @@ get() {

lib/output/utils.js

@@ -16,3 +16,16 @@ "use strict";
 const implSymbol = Symbol("impl");
+const sameObjectCaches = Symbol("SameObject caches");
 
+function getSameObject(wrapper, prop, creator) {
+  if (!wrapper[sameObjectCaches]) {
+    wrapper[sameObjectCaches] = Object.create(null);
+  }
+
+  if (prop in wrapper[sameObjectCaches]) {
+    return wrapper[sameObjectCaches][prop];
+  }
+
+  return wrapper[sameObjectCaches][prop] = creator();
+}
+
 function wrapperForImpl(impl) {
@@ -41,2 +54,3 @@ return impl ? impl[wrapperSymbol] : null;
 module.exports.implSymbol = implSymbol;
+module.exports.getSameObject = getSameObject;
 module.exports.wrapperForImpl = wrapperForImpl;
@@ -43,0 +57,0 @@ module.exports.implForWrapper = implForWrapper;

package.json

 {
   "name": "webidl2js",
-  "version": "6.0.3",
+  "version": "6.1.0",
   "description": "Auto-generates class structures for WebIDL specifications",
@@ -5,0 +5,0 @@ "main": "lib/transformer.js",

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Improved metrics

Total package byte prevSize

41406

increased by1.44%

Lines of code

1209

increased by1.26%

No dependency changes