draft

node_modules/jsdom/lib/jsdom/living/domparsing/DOMParser-impl.js

@@ -0,0 +1,57 @@
+"use strict";
+const Document = require("../generated/Document");
+const { applyDocumentFeatures } = require("../../browser/documentfeatures");
+
+exports.implementation = class DOMParserImpl {
+  parseFromString(string, contentType) {
+    switch (String(contentType)) {
+      case "text/html": {
+        return createScriptingDisabledDocument("html", contentType, string);
+      }
+
+      case "text/xml":
+      case "application/xml":
+      case "application/xhtml+xml":
+      case "image/svg+xml": {
+        // TODO: use a strict XML parser (sax's strict mode might work?) and create parsererror elements
+        try {
+          return createScriptingDisabledDocument("xml", contentType, string);
+        } catch (error) {
+          const document = createScriptingDisabledDocument("xml", contentType);
+          const element = document.createElementNS("http://www.mozilla.org/newlayout/xml/parsererror.xml", "parsererror");
+
+          element.textContent = error.message;
+
+          document.appendChild(element);
+          return document;
+        }
+      }
+
+      default:
+        throw new TypeError("Invalid contentType");
+    }
+  }
+};
+
+function createScriptingDisabledDocument(parsingMode, contentType, string) {
+  const document = Document.createImpl([], {
+    options: {
+      parsingMode,
+      encoding: "UTF-8",
+      contentType
+      // TODO: somehow set URL to active document's URL
+    }
+  });
+
+  // "scripting enabled" set to false
+  applyDocumentFeatures(document, {
+    FetchExternalResources: [],
+    SkipExternalResources: false
+  });
+
+  if (string !== undefined) {
+    document._htmlToDom.appendToDocument(string, document);
+  }
+  document.close();
+  return document;
+}