update node modules

node_modules/w3c-xmlserializer/lib/utils.js

@@ -0,0 +1,127 @@
+"use strict";
+
+// Returns "Type(value) is Object" in ES terminology.
+function isObject(value) {
+  return typeof value === "object" && value !== null || typeof value === "function";
+}
+
+function hasOwn(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+const getOwnPropertyDescriptors = typeof Object.getOwnPropertyDescriptors === "function" ?
+  Object.getOwnPropertyDescriptors :
+  // Polyfill exists until we require Node.js v8.x
+  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
+  obj => {
+    if (obj === undefined || obj === null) {
+      throw new TypeError("Cannot convert undefined or null to object");
+    }
+    obj = Object(obj);
+    const ownKeys = Reflect.ownKeys(obj);
+    const descriptors = {};
+    for (const key of ownKeys) {
+      const descriptor = Reflect.getOwnPropertyDescriptor(obj, key);
+      if (descriptor !== undefined) {
+        Reflect.defineProperty(descriptors, key, {
+          value: descriptor,
+          writable: true,
+          enumerable: true,
+          configurable: true
+        });
+      }
+    }
+    return descriptors;
+  };
+
+const wrapperSymbol = Symbol("wrapper");
+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];
+  }
+
+  wrapper[sameObjectCaches][prop] = creator();
+  return wrapper[sameObjectCaches][prop];
+}
+
+function wrapperForImpl(impl) {
+  return impl ? impl[wrapperSymbol] : null;
+}
+
+function implForWrapper(wrapper) {
+  return wrapper ? wrapper[implSymbol] : null;
+}
+
+function tryWrapperForImpl(impl) {
+  const wrapper = wrapperForImpl(impl);
+  return wrapper ? wrapper : impl;
+}
+
+function tryImplForWrapper(wrapper) {
+  const impl = implForWrapper(wrapper);
+  return impl ? impl : wrapper;
+}
+
+const iterInternalSymbol = Symbol("internal");
+const IteratorPrototype = Object.getPrototypeOf(Object.getPrototypeOf([][Symbol.iterator]()));
+
+function isArrayIndexPropName(P) {
+  if (typeof P !== "string") {
+    return false;
+  }
+  const i = P >>> 0;
+  if (i === Math.pow(2, 32) - 1) {
+    return false;
+  }
+  const s = `${i}`;
+  if (P !== s) {
+    return false;
+  }
+  return true;
+}
+
+const supportsPropertyIndex = Symbol("supports property index");
+const supportedPropertyIndices = Symbol("supported property indices");
+const supportsPropertyName = Symbol("supports property name");
+const supportedPropertyNames = Symbol("supported property names");
+const indexedGet = Symbol("indexed property get");
+const indexedSetNew = Symbol("indexed property set new");
+const indexedSetExisting = Symbol("indexed property set existing");
+const namedGet = Symbol("named property get");
+const namedSetNew = Symbol("named property set new");
+const namedSetExisting = Symbol("named property set existing");
+const namedDelete = Symbol("named property delete");
+
+module.exports = exports = {
+  isObject,
+  hasOwn,
+  getOwnPropertyDescriptors,
+  wrapperSymbol,
+  implSymbol,
+  getSameObject,
+  wrapperForImpl,
+  implForWrapper,
+  tryWrapperForImpl,
+  tryImplForWrapper,
+  iterInternalSymbol,
+  IteratorPrototype,
+  isArrayIndexPropName,
+  supportsPropertyIndex,
+  supportedPropertyIndices,
+  supportsPropertyName,
+  supportedPropertyNames,
+  indexedGet,
+  indexedSetNew,
+  indexedSetExisting,
+  namedGet,
+  namedSetNew,
+  namedSetExisting,
+  namedDelete
+};