.

node_modules/jsdom/lib/jsdom/vm-shim.js

@@ -1,126 +0,0 @@
-"use strict";
-/* eslint-disable no-new-func */
-const acorn = require("acorn");
-const findGlobals = require("acorn-globals");
-const escodegen = require("escodegen");
-
-// We can't use the default browserify vm shim because it doesn't work in a web worker.
-
-// From ES spec table of contents. Also, don't forget the Annex B additions.
-// If someone feels ambitious maybe make this into an npm package.
-const builtInConsts = ["Infinity", "NaN", "undefined"];
-const otherBuiltIns = [
-  "isFinite", "isNaN", "parseFloat", "parseInt", "decodeURI", "decodeURIComponent",
-  "encodeURI", "encodeURIComponent", "Array", "ArrayBuffer", "Boolean", "DataView", "Date", "Error", "EvalError",
-  "Float32Array", "Float64Array", "Function", "Int8Array", "Int16Array", "Int32Array", "Map", "Number", "Object",
-  "Proxy", "Promise", "RangeError", "ReferenceError", "RegExp", "Set", "String", "Symbol", "SyntaxError", "TypeError",
-  "Uint8Array", "Uint8ClampedArray", "Uint16Array", "Uint32Array", "URIError", "WeakMap", "WeakSet", "JSON", "Math",
-  "Reflect", "escape", "unescape"
-];
-
-exports.createContext = function (sandbox) {
-  Object.defineProperty(sandbox, "__isVMShimContext", {
-    value: true,
-    writable: true,
-    configurable: true,
-    enumerable: false
-  });
-
-  for (const builtIn of builtInConsts) {
-    Object.defineProperty(sandbox, builtIn, {
-      value: global[builtIn],
-      writable: false,
-      configurable: false,
-      enumerable: false
-    });
-  }
-
-  for (const builtIn of otherBuiltIns) {
-    Object.defineProperty(sandbox, builtIn, {
-      value: global[builtIn],
-      writable: true,
-      configurable: true,
-      enumerable: false
-    });
-  }
-
-  Object.defineProperty(sandbox, "eval", {
-    value(code) {
-      return exports.runInContext(code, sandbox);
-    },
-    writable: true,
-    configurable: true,
-    enumerable: false
-  });
-};
-
-exports.isContext = function (sandbox) {
-  return sandbox.__isVMShimContext;
-};
-
-exports.runInContext = function (code, contextifiedSandbox, options) {
-  if (code === "this") {
-    // Special case for during window creation.
-    return contextifiedSandbox;
-  }
-
-  if (options === undefined) {
-    options = {};
-  }
-
-  const comments = [];
-  const tokens = [];
-  const ast = acorn.parse(code, {
-    allowReturnOutsideFunction: true,
-    ranges: true,
-    // collect comments in Esprima's format
-    onComment: comments,
-    // collect token ranges
-    onToken: tokens
-  });
-
-  // make sure we keep comments
-  escodegen.attachComments(ast, comments, tokens);
-
-  const globals = findGlobals(ast);
-  for (let i = 0; i < globals.length; ++i) {
-    if (globals[i].name === "window" || globals[i].name === "this") {
-      continue;
-    }
-
-    const { nodes } = globals[i];
-    for (let j = 0; j < nodes.length; ++j) {
-      const { type, name } = nodes[j];
-      nodes[j].type = "MemberExpression";
-      nodes[j].property = { name, type };
-      nodes[j].computed = false;
-      nodes[j].object = {
-        name: "window",
-        type: "Identifier"
-      };
-    }
-  }
-
-  const lastNode = ast.body[ast.body.length - 1];
-  if (lastNode.type === "ExpressionStatement") {
-    lastNode.type = "ReturnStatement";
-    lastNode.argument = lastNode.expression;
-    delete lastNode.expression;
-  }
-
-  const rewrittenCode = escodegen.generate(ast, { comment: true });
-  const suffix = options.filename !== undefined ? "\n//# sourceURL=" + options.filename : "";
-
-  return Function("window", rewrittenCode + suffix).bind(contextifiedSandbox)(contextifiedSandbox);
-};
-
-exports.Script = class VMShimScript {
-  constructor(code, options) {
-    this._code = code;
-    this._options = options;
-  }
-
-  runInContext(sandbox, options) {
-    return exports.runInContext(this._code, sandbox, Object.assign({}, this._options, options));
-  }
-};