v7

node_modules/jsdom/lib/jsdom/browser/documentfeatures.js

@@ -0,0 +1,55 @@
+"use strict";
+const vm = require("vm");
+const idlUtils = require("../living/generated/utils");
+
+exports.availableDocumentFeatures = [
+  "FetchExternalResources",
+  "SkipExternalResources"
+];
+
+exports.defaultDocumentFeatures = {
+  FetchExternalResources: ["script", "link"], // omitted by default: "frame"
+  SkipExternalResources: false
+};
+
+exports.applyDocumentFeatures = (documentImpl, features = {}) => {
+  for (let i = 0; i < exports.availableDocumentFeatures.length; ++i) {
+    const featureName = exports.availableDocumentFeatures[i];
+    let featureSource;
+
+    if (features[featureName] !== undefined) {
+      featureSource = features[featureName];
+      // We have to check the lowercase version also because the Document feature
+      // methods convert everything to lowercase.
+    } else if (typeof features[featureName.toLowerCase()] !== "undefined") {
+      featureSource = features[featureName.toLowerCase()];
+    } else if (exports.defaultDocumentFeatures[featureName]) {
+      featureSource = exports.defaultDocumentFeatures[featureName];
+    } else {
+      continue;
+    }
+
+    const implImpl = documentImpl._implementation;
+    implImpl._removeFeature(featureName);
+
+    if (featureSource !== undefined) {
+      if (Array.isArray(featureSource)) {
+        for (let j = 0; j < featureSource.length; ++j) {
+          implImpl._addFeature(featureName, featureSource[j]);
+        }
+      } else {
+        implImpl._addFeature(featureName, featureSource);
+      }
+    }
+  }
+};
+
+exports.contextifyWindow = window => {
+  if (vm.isContext(window)) {
+    return;
+  }
+
+  vm.createContext(window);
+  const documentImpl = idlUtils.implForWrapper(window._document);
+  documentImpl._defaultView = window._globalProxy = vm.runInContext("this", window);
+};