@miniflare/runner-vm - npm Package Compare versions

Comparing version 2.0.0 to 2.1.0

dist/src/index.js

@@ -39,49 +39,61 @@ var __create = Object.create;
 // packages/runner-vm/src/instanceof.ts
-var import_util = __toModule(require("util"));
 var import_vm = __toModule(require("vm"));
-function isObject(value) {
-  return value !== null && typeof value === "object";
+function ordinaryHasInstance(C, O) {
+  if (typeof C !== "function")
+    return false;
+  if (typeof O !== "object" && typeof O !== "function")
+    return false;
+  const P = C.prototype;
+  if (typeof P !== "object" && typeof P !== "function") {
+    throw new TypeError(`Function has non-object prototype '${P}' in instanceof check`);
+  }
+  while ((O = Object.getPrototypeOf(O)) !== null) {
+    if (P === O)
+      return true;
+  }
+  return false;
 }
-function isFunction(value) {
-  return typeof value === "function";
+function instanceOf(V, insideTarget, outsideTarget) {
+  return ordinaryHasInstance(insideTarget, V) || ordinaryHasInstance(outsideTarget, V);
 }
-function isError(errorCtor) {
-  const name = errorCtor.prototype.name;
-  return function(value) {
-    if (!import_util.default.types.isNativeError(value))
-      return false;
-    let prototype = value;
-    while ((prototype = Object.getPrototypeOf(prototype)) !== null) {
-      if (prototype.name === name)
-        return true;
+var outsideTargets = {
+  Object,
+  Function,
+  Array,
+  Promise,
+  RegExp,
+  Error,
+  EvalError,
+  RangeError,
+  ReferenceError,
+  SyntaxError,
+  TypeError,
+  URIError
+};
+function defineHasInstance(insideTarget) {
+  const outsideTarget = outsideTargets[insideTarget.name];
+  Object.defineProperty(insideTarget, Symbol.hasInstance, {
+    value(value) {
+      return instanceOf(value, insideTarget, outsideTarget);
     }
-    return false;
-  };
+  });
 }
-var types = {
-  isObject,
-  isFunction,
-  isArray: Array.isArray,
-  isPromise: import_util.default.types.isPromise,
-  isRegExp: import_util.default.types.isRegExp,
-  isError
-};
-var defineHasInstancesScript = new import_vm.default.Script(`(function(types) {
-  // Only define properties once, will throw if we try doing this twice
-  if (Object[Symbol.hasInstance] === types.isObject) return;
-  Object.defineProperty(Object, Symbol.hasInstance, { value: types.isObject });
-  Object.defineProperty(Function, Symbol.hasInstance, { value: types.isFunction });
-  Object.defineProperty(Array, Symbol.hasInstance, { value: types.isArray });
-  Object.defineProperty(Promise, Symbol.hasInstance, { value: types.isPromise });
-  Object.defineProperty(RegExp, Symbol.hasInstance, { value: types.isRegExp });
-  Object.defineProperty(Error, Symbol.hasInstance, { value: types.isError(Error) });
-  Object.defineProperty(EvalError, Symbol.hasInstance, { value: types.isError(EvalError) });
-  Object.defineProperty(RangeError, Symbol.hasInstance, { value: types.isError(RangeError) });
-  Object.defineProperty(ReferenceError, Symbol.hasInstance, { value: types.isError(ReferenceError) });
-  Object.defineProperty(SyntaxError, Symbol.hasInstance, { value: types.isError(SyntaxError) });
-  Object.defineProperty(TypeError, Symbol.hasInstance, { value: types.isError(TypeError) });
-  Object.defineProperty(URIError, Symbol.hasInstance, { value: types.isError(URIError) });
+var defineHasInstancesScript = new import_vm.default.Script(`(function(defineHasInstance) {
+  // Only define properties once, would throw if we tried doing this twice
+  if (Object.hasOwnProperty(Symbol.hasInstance)) return;
+  defineHasInstance(Object);
+  defineHasInstance(Function);
+  defineHasInstance(Array);
+  defineHasInstance(Promise);
+  defineHasInstance(RegExp);
+  defineHasInstance(Error);
+  defineHasInstance(EvalError);
+  defineHasInstance(RangeError);
+  defineHasInstance(ReferenceError);
+  defineHasInstance(SyntaxError);
+  defineHasInstance(TypeError);
+  defineHasInstance(URIError);
 })`, { filename: "<defineHasInstancesScript>" });
 function defineHasInstances(ctx) {
-  defineHasInstancesScript.runInContext(ctx)(types);
+  defineHasInstancesScript.runInContext(ctx)(defineHasInstance);
 }
@@ -88,0 +100,0 @@

package.json

 {
   "name": "@miniflare/runner-vm",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "VM script runner module for Miniflare: a fun, full-featured, fully-local simulator for Cloudflare Workers",
@@ -38,7 +38,7 @@ "keywords": [
   "dependencies": {
-    "@miniflare/shared": "2.0.0"
+    "@miniflare/shared": "2.1.0"
   },
   "devDependencies": {
-    "@miniflare/shared-test": "2.0.0"
+    "@miniflare/shared-test": "2.1.0"
   }
 }

New alerts

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Found 1 instance in 1 package

Fixed alerts

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License

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Found 1 instance in 1 package

Improved metrics

Lines of code

315

increased by3.96%

Worsened metrics

Total package byte prevSize

19867

decreased by-1.01%

Dependency changes

• + Added@miniflare/shared@2.1.0(transitive)

• - Removed@miniflare/shared@2.0.0(transitive)

• Updated@miniflare/shared@2.1.0