Add node modules and compiled JavaScript from main

node_modules/@babel/types/scripts/generateTypeHelpers.js

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+"use strict";
+const path = require("path");
+const chalk = require("chalk");
+const generateBuilders = require("./generators/generateBuilders");
+const generateValidators = require("./generators/generateValidators");
+const generateAsserts = require("./generators/generateAsserts");
+const generateConstants = require("./generators/generateConstants");
+const format = require("../../../scripts/utils/formatCode");
+const writeFile = require("../../../scripts/utils/writeFileAndMkDir");
+
+const baseDir = path.join(__dirname, "../src");
+
+console.log("Generating @babel/types dynamic functions");
+
+const buildersFile = path.join(baseDir, "builders/generated/index.js");
+writeFile(buildersFile, format(generateBuilders(), buildersFile));
+console.log(`  ${chalk.green("✔")} Generated builders`);
+
+const validatorsFile = path.join(baseDir, "validators/generated/index.js");
+writeFile(validatorsFile, format(generateValidators(), validatorsFile));
+console.log(`  ${chalk.green("✔")} Generated validators`);
+
+const assertsFile = path.join(baseDir, "asserts/generated/index.js");
+writeFile(assertsFile, format(generateAsserts(), assertsFile));
+console.log(`  ${chalk.green("✔")} Generated asserts`);
+
+const constantsFile = path.join(baseDir, "constants/generated/index.js");
+writeFile(constantsFile, format(generateConstants(), constantsFile));
+console.log(`  ${chalk.green("✔")} Generated constants`);

node_modules/@babel/types/scripts/generators/docs.js

@@ -0,0 +1,121 @@
+"use strict";
+
+const util = require("util");
+const stringifyValidator = require("../utils/stringifyValidator");
+const toFunctionName = require("../utils/toFunctionName");
+
+const types = require("../../");
+
+const readme = [
+  `# @babel/types
+
+> This module contains methods for building ASTs manually and for checking the types of AST nodes.
+
+## Install
+
+\`\`\`sh
+npm install --save-dev @babel/types
+\`\`\`
+
+## API`,
+];
+
+const customTypes = {
+  ClassMethod: {
+    key: "if computed then `Expression` else `Identifier | Literal`",
+  },
+  Identifier: {
+    name: "`string`",
+  },
+  MemberExpression: {
+    property: "if computed then `Expression` else `Identifier`",
+  },
+  ObjectMethod: {
+    key: "if computed then `Expression` else `Identifier | Literal`",
+  },
+  ObjectProperty: {
+    key: "if computed then `Expression` else `Identifier | Literal`",
+  },
+};
+Object.keys(types.BUILDER_KEYS)
+  .sort()
+  .forEach(function (key) {
+    readme.push("### " + key[0].toLowerCase() + key.substr(1));
+    readme.push("```javascript");
+    readme.push(
+      "t." +
+        toFunctionName(key) +
+        "(" +
+        types.BUILDER_KEYS[key].join(", ") +
+        ")"
+    );
+    readme.push("```");
+    readme.push("");
+    readme.push(
+      "See also `t.is" +
+        key +
+        "(node, opts)` and `t.assert" +
+        key +
+        "(node, opts)`."
+    );
+    readme.push("");
+    if (types.ALIAS_KEYS[key] && types.ALIAS_KEYS[key].length) {
+      readme.push(
+        "Aliases: " +
+          types.ALIAS_KEYS[key]
+            .map(function (key) {
+              return "`" + key + "`";
+            })
+            .join(", ")
+      );
+      readme.push("");
+    }
+    Object.keys(types.NODE_FIELDS[key])
+      .sort(function (fieldA, fieldB) {
+        const indexA = types.BUILDER_KEYS[key].indexOf(fieldA);
+        const indexB = types.BUILDER_KEYS[key].indexOf(fieldB);
+        if (indexA === indexB) return fieldA < fieldB ? -1 : 1;
+        if (indexA === -1) return 1;
+        if (indexB === -1) return -1;
+        return indexA - indexB;
+      })
+      .forEach(function (field) {
+        const defaultValue = types.NODE_FIELDS[key][field].default;
+        const fieldDescription = ["`" + field + "`"];
+        const validator = types.NODE_FIELDS[key][field].validate;
+        if (customTypes[key] && customTypes[key][field]) {
+          fieldDescription.push(`: ${customTypes[key][field]}`);
+        } else if (validator) {
+          try {
+            fieldDescription.push(
+              ": `" + stringifyValidator(validator, "") + "`"
+            );
+          } catch (ex) {
+            if (ex.code === "UNEXPECTED_VALIDATOR_TYPE") {
+              console.log(
+                "Unrecognised validator type for " + key + "." + field
+              );
+              console.dir(ex.validator, { depth: 10, colors: true });
+            }
+          }
+        }
+        if (defaultValue !== null || types.NODE_FIELDS[key][field].optional) {
+          fieldDescription.push(
+            " (default: `" + util.inspect(defaultValue) + "`"
+          );
+          if (types.BUILDER_KEYS[key].indexOf(field) < 0) {
+            fieldDescription.push(", excluded from builder function");
+          }
+          fieldDescription.push(")");
+        } else {
+          fieldDescription.push(" (required)");
+        }
+        readme.push(" - " + fieldDescription.join(""));
+      });
+
+    readme.push("");
+    readme.push("---");
+    readme.push("");
+  });
+
+process.stdout.write(readme.join("\n"));

node_modules/@babel/types/scripts/generators/flow.js

@@ -0,0 +1,248 @@
+"use strict";
+
+const t = require("../../");
+const stringifyValidator = require("../utils/stringifyValidator");
+const toFunctionName = require("../utils/toFunctionName");
+
+const NODE_PREFIX = "BabelNode";
+
+let code = `// NOTE: This file is autogenerated. Do not modify.
+// See packages/babel-types/scripts/generators/flow.js for script used.
+
+declare class ${NODE_PREFIX}Comment {
+  value: string;
+  start: number;
+  end: number;
+  loc: ${NODE_PREFIX}SourceLocation;
+}
+
+declare class ${NODE_PREFIX}CommentBlock extends ${NODE_PREFIX}Comment {
+  type: "CommentBlock";
+}
+
+declare class ${NODE_PREFIX}CommentLine extends ${NODE_PREFIX}Comment {
+  type: "CommentLine";
+}
+
+declare class ${NODE_PREFIX}SourceLocation {
+  start: {
+    line: number;
+    column: number;
+  };
+
+  end: {
+    line: number;
+    column: number;
+  };
+}
+
+declare class ${NODE_PREFIX} {
+  leadingComments?: Array<${NODE_PREFIX}Comment>;
+  innerComments?: Array<${NODE_PREFIX}Comment>;
+  trailingComments?: Array<${NODE_PREFIX}Comment>;
+  start: ?number;
+  end: ?number;
+  loc: ?${NODE_PREFIX}SourceLocation;
+}\n\n`;
+
+//
+
+const lines = [];
+
+for (const type in t.NODE_FIELDS) {
+  const fields = t.NODE_FIELDS[type];
+
+  const struct = ['type: "' + type + '";'];
+  const args = [];
+  const builderNames = t.BUILDER_KEYS[type];
+
+  Object.keys(t.NODE_FIELDS[type])
+    .sort((fieldA, fieldB) => {
+      const indexA = t.BUILDER_KEYS[type].indexOf(fieldA);
+      const indexB = t.BUILDER_KEYS[type].indexOf(fieldB);
+      if (indexA === indexB) return fieldA < fieldB ? -1 : 1;
+      if (indexA === -1) return 1;
+      if (indexB === -1) return -1;
+      return indexA - indexB;
+    })
+    .forEach(fieldName => {
+      const field = fields[fieldName];
+
+      let suffix = "";
+      if (field.optional || field.default != null) suffix += "?";
+
+      let typeAnnotation = "any";
+
+      const validate = field.validate;
+      if (validate) {
+        typeAnnotation = stringifyValidator(validate, NODE_PREFIX);
+      }
+
+      if (typeAnnotation) {
+        suffix += ": " + typeAnnotation;
+      }
+      if (builderNames.includes(fieldName)) {
+        args.push(t.toBindingIdentifierName(fieldName) + suffix);
+      }
+
+      if (t.isValidIdentifier(fieldName)) {
+        struct.push(fieldName + suffix + ";");
+      }
+    });
+
+  code += `declare class ${NODE_PREFIX}${type} extends ${NODE_PREFIX} {
+  ${struct.join("\n  ").trim()}
+}\n\n`;
+
+  // Flow chokes on super() and import() :/
+  if (type !== "Super" && type !== "Import") {
+    lines.push(
+      `declare function ${toFunctionName(type)}(${args.join(
+        ", "
+      )}): ${NODE_PREFIX}${type};`
+    );
+  } else {
+    const functionName = toFunctionName(type);
+    lines.push(
+      `declare function _${functionName}(${args.join(
+        ", "
+      )}): ${NODE_PREFIX}${type};`,
+      `declare export { _${functionName} as ${functionName} }`
+    );
+  }
+}
+
+for (let i = 0; i < t.TYPES.length; i++) {
+  let decl = `declare function is${t.TYPES[i]}(node: ?Object, opts?: ?Object): boolean`;
+
+  if (t.NODE_FIELDS[t.TYPES[i]]) {
+    decl += ` %checks (node instanceof ${NODE_PREFIX}${t.TYPES[i]})`;
+  }
+
+  lines.push(decl);
+}
+
+lines.push(
+  // builders/
+  // eslint-disable-next-line max-len
+  `declare function createTypeAnnotationBasedOnTypeof(type: 'string' | 'number' | 'undefined' | 'boolean' | 'function' | 'object' | 'symbol'): ${NODE_PREFIX}TypeAnnotation`,
+  // eslint-disable-next-line max-len
+  `declare function createUnionTypeAnnotation(types: Array<${NODE_PREFIX}FlowType>): ${NODE_PREFIX}UnionTypeAnnotation`,
+  // eslint-disable-next-line max-len
+  `declare function createFlowUnionType(types: Array<${NODE_PREFIX}FlowType>): ${NODE_PREFIX}UnionTypeAnnotation`,
+  // this smells like "internal API"
+  // eslint-disable-next-line max-len
+  `declare function buildChildren(node: { children: Array<${NODE_PREFIX}JSXText | ${NODE_PREFIX}JSXExpressionContainer | ${NODE_PREFIX}JSXSpreadChild | ${NODE_PREFIX}JSXElement | ${NODE_PREFIX}JSXFragment | ${NODE_PREFIX}JSXEmptyExpression> }): Array<${NODE_PREFIX}JSXText | ${NODE_PREFIX}JSXExpressionContainer | ${NODE_PREFIX}JSXSpreadChild | ${NODE_PREFIX}JSXElement | ${NODE_PREFIX}JSXFragment>`,
+
+  // clone/
+  `declare function clone<T>(n: T): T;`,
+  `declare function cloneDeep<T>(n: T): T;`,
+  `declare function cloneDeepWithoutLoc<T>(n: T): T;`,
+  `declare function cloneNode<T>(n: T, deep?: boolean, withoutLoc?: boolean): T;`,
+  `declare function cloneWithoutLoc<T>(n: T): T;`,
+
+  // comments/
+  `declare type CommentTypeShorthand = 'leading' | 'inner' | 'trailing'`,
+  // eslint-disable-next-line max-len
+  `declare function addComment<T: Node>(node: T, type: CommentTypeShorthand, content: string, line?: boolean): T`,
+  // eslint-disable-next-line max-len
+  `declare function addComments<T: Node>(node: T, type: CommentTypeShorthand, comments: Array<Comment>): T`,
+  `declare function inheritInnerComments(node: Node, parent: Node): void`,
+  `declare function inheritLeadingComments(node: Node, parent: Node): void`,
+  `declare function inheritsComments<T: Node>(node: T, parent: Node): void`,
+  `declare function inheritTrailingComments(node: Node, parent: Node): void`,
+  `declare function removeComments<T: Node>(node: T): T`,
+
+  // converters/
+  `declare function ensureBlock(node: ${NODE_PREFIX}, key: string): ${NODE_PREFIX}BlockStatement`,
+  `declare function toBindingIdentifierName(name?: ?string): string`,
+  // eslint-disable-next-line max-len
+  `declare function toBlock(node: ${NODE_PREFIX}Statement | ${NODE_PREFIX}Expression, parent?: ${NODE_PREFIX}Function | null): ${NODE_PREFIX}BlockStatement`,
+  // eslint-disable-next-line max-len
+  `declare function toComputedKey(node: ${NODE_PREFIX}Method | ${NODE_PREFIX}Property, key?: ${NODE_PREFIX}Expression | ${NODE_PREFIX}Identifier): ${NODE_PREFIX}Expression`,
+  // eslint-disable-next-line max-len
+  `declare function toExpression(node: ${NODE_PREFIX}ExpressionStatement | ${NODE_PREFIX}Expression | ${NODE_PREFIX}Class | ${NODE_PREFIX}Function): ${NODE_PREFIX}Expression`,
+  `declare function toIdentifier(name?: ?string): string`,
+  // eslint-disable-next-line max-len
+  `declare function toKeyAlias(node: ${NODE_PREFIX}Method | ${NODE_PREFIX}Property, key?: ${NODE_PREFIX}): string`,
+  // toSequenceExpression relies on types that aren't declared in flow
+  // eslint-disable-next-line max-len
+  `declare function toStatement(node: ${NODE_PREFIX}Statement | ${NODE_PREFIX}Class | ${NODE_PREFIX}Function | ${NODE_PREFIX}AssignmentExpression, ignore?: boolean): ${NODE_PREFIX}Statement | void`,
+  `declare function valueToNode(value: any): ${NODE_PREFIX}Expression`,
+
+  // modifications/
+  // eslint-disable-next-line max-len
+  `declare function removeTypeDuplicates(types: Array<${NODE_PREFIX}FlowType>): Array<${NODE_PREFIX}FlowType>`,
+  // eslint-disable-next-line max-len
+  `declare function appendToMemberExpression(member: ${NODE_PREFIX}MemberExpression, append: ${NODE_PREFIX}, computed?: boolean): ${NODE_PREFIX}MemberExpression`,
+  // eslint-disable-next-line max-len
+  `declare function inherits<T: Node>(child: T, parent: ${NODE_PREFIX} | null | void): T`,
+  // eslint-disable-next-line max-len
+  `declare function prependToMemberExpression(member: ${NODE_PREFIX}MemberExpression, prepend: ${NODE_PREFIX}Expression): ${NODE_PREFIX}MemberExpression`,
+  `declare function removeProperties<T>(n: T, opts: ?{}): void;`,
+  `declare function removePropertiesDeep<T>(n: T, opts: ?{}): T;`,
+
+  // retrievers/
+  // eslint-disable-next-line max-len
+  `declare function getBindingIdentifiers(node: ${NODE_PREFIX}, duplicates: boolean, outerOnly?: boolean): { [key: string]: ${NODE_PREFIX}Identifier | Array<${NODE_PREFIX}Identifier> }`,
+  // eslint-disable-next-line max-len
+  `declare function getOuterBindingIdentifiers(node: Node, duplicates: boolean): { [key: string]: ${NODE_PREFIX}Identifier | Array<${NODE_PREFIX}Identifier> }`,
+
+  // traverse/
+  `declare type TraversalAncestors = Array<{
+    node: BabelNode,
+    key: string,
+    index?: number,
+  }>;
+  declare type TraversalHandler<T> = (BabelNode, TraversalAncestors, T) => void;
+  declare type TraversalHandlers<T> = {
+    enter?: TraversalHandler<T>,
+    exit?: TraversalHandler<T>,
+  };`.replace(/(^|\n) {2}/g, "$1"),
+  // eslint-disable-next-line
+  `declare function traverse<T>(n: BabelNode, TraversalHandler<T> | TraversalHandlers<T>, state?: T): void;`,
+  `declare function traverseFast<T>(n: Node, h: TraversalHandler<T>, state?: T): void;`,
+
+  // utils/
+  // cleanJSXElementLiteralChild is not exported
+  // inherit is not exported
+  `declare function shallowEqual(actual: Object, expected: Object): boolean`,
+
+  // validators/
+  // eslint-disable-next-line max-len
+  `declare function buildMatchMemberExpression(match: string, allowPartial?: boolean): (?BabelNode) => boolean`,
+  `declare function is(type: string, n: BabelNode, opts: Object): boolean;`,
+  `declare function isBinding(node: BabelNode, parent: BabelNode, grandparent?: BabelNode): boolean`,
+  `declare function isBlockScoped(node: BabelNode): boolean`,
+  `declare function isImmutable(node: BabelNode): boolean`,
+  `declare function isLet(node: BabelNode): boolean`,
+  `declare function isNode(node: ?Object): boolean`,
+  `declare function isNodesEquivalent(a: any, b: any): boolean`,
+  `declare function isPlaceholderType(placeholderType: string, targetType: string): boolean`,
+  `declare function isReferenced(node: BabelNode, parent: BabelNode, grandparent?: BabelNode): boolean`,
+  `declare function isScope(node: BabelNode, parent: BabelNode): boolean`,
+  `declare function isSpecifierDefault(specifier: BabelNodeModuleSpecifier): boolean`,
+  `declare function isType(nodetype: ?string, targetType: string): boolean`,
+  `declare function isValidES3Identifier(name: string): boolean`,
+  `declare function isValidES3Identifier(name: string): boolean`,
+  `declare function isValidIdentifier(name: string): boolean`,
+  `declare function isVar(node: BabelNode): boolean`,
+  // eslint-disable-next-line max-len
+  `declare function matchesPattern(node: ?BabelNode, match: string | Array<string>, allowPartial?: boolean): boolean`,
+  `declare function validate(n: BabelNode, key: string, value: mixed): void;`
+);
+
+for (const type in t.FLIPPED_ALIAS_KEYS) {
+  const types = t.FLIPPED_ALIAS_KEYS[type];
+  code += `type ${NODE_PREFIX}${type} = ${types
+    .map(type => `${NODE_PREFIX}${type}`)
+    .join(" | ")};\n`;
+}
+
+code += `\ndeclare module "@babel/types" {
+  ${lines.join("\n").replace(/\n/g, "\n  ").trim()}
+}\n`;
+
+//
+
+process.stdout.write(code);

node_modules/@babel/types/scripts/generators/generateAsserts.js

@@ -0,0 +1,44 @@
+"use strict";
+const definitions = require("../../lib/definitions");
+
+function addAssertHelper(type) {
+  return `export function assert${type}(node: Object, opts?: Object = {}): void {
+    assert("${type}", node, opts) }
+  `;
+}
+
+module.exports = function generateAsserts() {
+  let output = `// @flow
+/*
+ * This file is auto-generated! Do not modify it directly.
+ * To re-generate run 'make build'
+ */
+import is from "../../validators/is";
+
+function assert(type: string, node: Object, opts?: Object): void {
+  if (!is(type, node, opts)) {
+    throw new Error(
+      \`Expected type "\${type}" with option \${JSON.stringify((opts: any))}, \` +
+        \`but instead got "\${node.type}".\`,
+    );
+  }
+}\n\n`;
+
+  Object.keys(definitions.VISITOR_KEYS).forEach(type => {
+    output += addAssertHelper(type);
+  });
+
+  Object.keys(definitions.FLIPPED_ALIAS_KEYS).forEach(type => {
+    output += addAssertHelper(type);
+  });
+
+  Object.keys(definitions.DEPRECATED_KEYS).forEach(type => {
+    const newType = definitions.DEPRECATED_KEYS[type];
+    output += `export function assert${type}(node: Object, opts: Object): void {
+  console.trace("The node type ${type} has been renamed to ${newType}");
+  assert("${type}", node, opts);
+}\n`;
+  });
+
+  return output;
+};

node_modules/@babel/types/scripts/generators/generateBuilders.js

@@ -0,0 +1,57 @@
+"use strict";
+const definitions = require("../../lib/definitions");
+const formatBuilderName = require("../utils/formatBuilderName");
+const lowerFirst = require("../utils/lowerFirst");
+
+module.exports = function generateBuilders() {
+  let output = `// @flow
+/*
+ * This file is auto-generated! Do not modify it directly.
+ * To re-generate run 'make build'
+ */
+import builder from "../builder";\n\n`;
+
+  const reservedNames = new Set(["super", "import"]);
+  Object.keys(definitions.BUILDER_KEYS).forEach(type => {
+    const formatedBuilderName = formatBuilderName(type);
+    const formatedBuilderNameLocal = reservedNames.has(formatedBuilderName)
+      ? `_${formatedBuilderName}`
+      : formatedBuilderName;
+    output += `${
+      formatedBuilderNameLocal === formatedBuilderName ? "export " : ""
+    }function ${formatedBuilderNameLocal}(...args: Array<any>): Object { return builder("${type}", ...args); }\n`;
+    // This is needed for backwards compatibility.
+    // arrayExpression -> ArrayExpression
+    output += `export { ${formatedBuilderNameLocal} as ${type} };\n`;
+    if (formatedBuilderNameLocal !== formatedBuilderName) {
+      output += `export { ${formatedBuilderNameLocal} as ${formatedBuilderName} };\n`;
+    }
+
+    // This is needed for backwards compatibility.
+    // It should be removed in the next major version.
+    // JSXIdentifier -> jSXIdentifier
+    if (/^[A-Z]{2}/.test(type)) {
+      output += `export { ${formatedBuilderNameLocal} as ${lowerFirst(
+        type
+      )} }\n`;
+    }
+  });
+
+  Object.keys(definitions.DEPRECATED_KEYS).forEach(type => {
+    const newType = definitions.DEPRECATED_KEYS[type];
+    output += `export function ${type}(...args: Array<any>): Object {
+  console.trace("The node type ${type} has been renamed to ${newType}");
+  return builder("${type}", ...args);
+}
+export { ${type} as ${formatBuilderName(type)} };\n`;
+
+    // This is needed for backwards compatibility.
+    // It should be removed in the next major version.
+    // JSXIdentifier -> jSXIdentifier
+    if (/^[A-Z]{2}/.test(type)) {
+      output += `export { ${type} as ${lowerFirst(type)} }\n`;
+    }
+  });
+
+  return output;
+};

node_modules/@babel/types/scripts/generators/generateConstants.js

@@ -0,0 +1,17 @@
+"use strict";
+const definitions = require("../../lib/definitions");
+
+module.exports = function generateConstants() {
+  let output = `// @flow
+/*
+ * This file is auto-generated! Do not modify it directly.
+ * To re-generate run 'make build'
+ */
+import { FLIPPED_ALIAS_KEYS } from "../../definitions";\n\n`;
+
+  Object.keys(definitions.FLIPPED_ALIAS_KEYS).forEach(type => {
+    output += `export const ${type.toUpperCase()}_TYPES = FLIPPED_ALIAS_KEYS["${type}"];\n`;
+  });
+
+  return output;
+};

node_modules/@babel/types/scripts/generators/generateValidators.js

@@ -0,0 +1,78 @@
+"use strict";
+const definitions = require("../../lib/definitions");
+
+const has = Function.call.bind(Object.prototype.hasOwnProperty);
+
+function joinComparisons(leftArr, right) {
+  return (
+    leftArr.map(JSON.stringify).join(` === ${right} || `) + ` === ${right}`
+  );
+}
+
+function addIsHelper(type, aliasKeys, deprecated) {
+  const targetType = JSON.stringify(type);
+  let aliasSource = "";
+  if (aliasKeys) {
+    aliasSource = " || " + joinComparisons(aliasKeys, "nodeType");
+  }
+
+  let placeholderSource = "";
+  const placeholderTypes = [];
+  if (
+    definitions.PLACEHOLDERS.includes(type) &&
+    has(definitions.FLIPPED_ALIAS_KEYS, type)
+  ) {
+    placeholderTypes.push(type);
+  }
+  if (has(definitions.PLACEHOLDERS_FLIPPED_ALIAS, type)) {
+    placeholderTypes.push(...definitions.PLACEHOLDERS_FLIPPED_ALIAS[type]);
+  }
+  if (placeholderTypes.length > 0) {
+    placeholderSource =
+      ' || nodeType === "Placeholder" && (' +
+      joinComparisons(placeholderTypes, "node.expectedNode") +
+      ")";
+  }
+
+  return `export function is${type}(node: ?Object, opts?: Object): boolean {
+    ${deprecated || ""}
+    if (!node) return false;
+
+    const nodeType = node.type;
+    if (nodeType === ${targetType}${aliasSource}${placeholderSource}) {
+      if (typeof opts === "undefined") {
+        return true;
+      } else {
+        return shallowEqual(node, opts);
+      }
+    }
+
+    return false;
+  }
+  `;
+}
+
+module.exports = function generateValidators() {
+  let output = `// @flow
+/*
+ * This file is auto-generated! Do not modify it directly.
+ * To re-generate run 'make build'
+ */
+import shallowEqual from "../../utils/shallowEqual";\n\n`;
+
+  Object.keys(definitions.VISITOR_KEYS).forEach(type => {
+    output += addIsHelper(type);
+  });
+
+  Object.keys(definitions.FLIPPED_ALIAS_KEYS).forEach(type => {
+    output += addIsHelper(type, definitions.FLIPPED_ALIAS_KEYS[type]);
+  });
+
+  Object.keys(definitions.DEPRECATED_KEYS).forEach(type => {
+    const newType = definitions.DEPRECATED_KEYS[type];
+    const deprecated = `console.trace("The node type ${type} has been renamed to ${newType}");`;
+    output += addIsHelper(type, null, deprecated);
+  });
+
+  return output;
+};

node_modules/@babel/types/scripts/generators/typescript.js

@@ -0,0 +1,364 @@
+"use strict";
+
+const t = require("../../");
+const stringifyValidator = require("../utils/stringifyValidator");
+const toFunctionName = require("../utils/toFunctionName");
+
+let code = `// NOTE: This file is autogenerated. Do not modify.
+// See packages/babel-types/scripts/generators/typescript.js for script used.
+
+interface BaseComment {
+  value: string;
+  start: number;
+  end: number;
+  loc: SourceLocation;
+  type: "CommentBlock" | "CommentLine";
+}
+
+export interface CommentBlock extends BaseComment {
+  type: "CommentBlock";
+}
+
+export interface CommentLine extends BaseComment {
+  type: "CommentLine";
+}
+
+export type Comment = CommentBlock | CommentLine;
+
+export interface SourceLocation {
+  start: {
+    line: number;
+    column: number;
+  };
+
+  end: {
+    line: number;
+    column: number;
+  };
+}
+
+interface BaseNode {
+  leadingComments: ReadonlyArray<Comment> | null;
+  innerComments: ReadonlyArray<Comment> | null;
+  trailingComments: ReadonlyArray<Comment> | null;
+  start: number | null;
+  end: number | null;
+  loc: SourceLocation | null;
+  type: Node["type"];
+}
+
+export type Node = ${t.TYPES.sort().join(" | ")};\n\n`;
+
+//
+
+const lines = [];
+
+for (const type in t.NODE_FIELDS) {
+  const fields = t.NODE_FIELDS[type];
+  const fieldNames = sortFieldNames(Object.keys(t.NODE_FIELDS[type]), type);
+  const builderNames = t.BUILDER_KEYS[type];
+
+  const struct = ['type: "' + type + '";'];
+  const args = [];
+
+  fieldNames.forEach(fieldName => {
+    const field = fields[fieldName];
+    // Future / annoying TODO:
+    // MemberExpression.property, ObjectProperty.key and ObjectMethod.key need special cases; either:
+    // - convert the declaration to chain() like ClassProperty.key and ClassMethod.key,
+    // - declare an alias type for valid keys, detect the case and reuse it here,
+    // - declare a disjoint union with, for example, ObjectPropertyBase,
+    //   ObjectPropertyLiteralKey and ObjectPropertyComputedKey, and declare ObjectProperty
+    //   as "ObjectPropertyBase & (ObjectPropertyLiteralKey | ObjectPropertyComputedKey)"
+    let typeAnnotation = stringifyValidator(field.validate, "");
+
+    if (isNullable(field) && !hasDefault(field)) {
+      typeAnnotation += " | null";
+    }
+
+    if (builderNames.includes(fieldName)) {
+      if (areAllRemainingFieldsNullable(fieldName, builderNames, fields)) {
+        args.push(
+          `${t.toBindingIdentifierName(fieldName)}${
+            isNullable(field) ? "?:" : ":"
+          } ${typeAnnotation}`
+        );
+      } else {
+        args.push(
+          `${t.toBindingIdentifierName(fieldName)}: ${typeAnnotation}${
+            isNullable(field) ? " | undefined" : ""
+          }`
+        );
+      }
+    }
+
+    const alphaNumeric = /^\w+$/;
+
+    if (t.isValidIdentifier(fieldName) || alphaNumeric.test(fieldName)) {
+      struct.push(`${fieldName}: ${typeAnnotation};`);
+    } else {
+      struct.push(`"${fieldName}": ${typeAnnotation};`);
+    }
+  });
+
+  code += `export interface ${type} extends BaseNode {
+  ${struct.join("\n  ").trim()}
+}\n\n`;
+
+  // super and import are reserved words in JavaScript
+  if (type !== "Super" && type !== "Import") {
+    lines.push(
+      `export function ${toFunctionName(type)}(${args.join(", ")}): ${type};`
+    );
+  } else {
+    const functionName = toFunctionName(type);
+    lines.push(
+      `declare function _${functionName}(${args.join(", ")}): ${type};`,
+      `export { _${functionName} as ${functionName}}`
+    );
+  }
+}
+
+for (const typeName of t.TYPES) {
+  const result =
+    t.NODE_FIELDS[typeName] || t.FLIPPED_ALIAS_KEYS[typeName]
+      ? `node is ${typeName}`
+      : "boolean";
+
+  lines.push(
+    `export function is${typeName}(node: object | null | undefined, opts?: object | null): ${result};`,
+    // TypeScript 3.7: https://github.com/microsoft/TypeScript/pull/32695 will allow assert declarations
+    // eslint-disable-next-line max-len
+    `// export function assert${typeName}(node: object | null | undefined, opts?: object | null): asserts ${
+      result === "boolean" ? "node" : result
+    };`
+  );
+}
+
+lines.push(
+  // assert/
+  // Commented out as this declaration requires TypeScript 3.7 (what do?)
+  `// export function assertNode(obj: any): asserts obj is Node`,
+
+  // builders/
+  // eslint-disable-next-line max-len
+  `export function createTypeAnnotationBasedOnTypeof(type: 'string' | 'number' | 'undefined' | 'boolean' | 'function' | 'object' | 'symbol'): StringTypeAnnotation | VoidTypeAnnotation | NumberTypeAnnotation | BooleanTypeAnnotation | GenericTypeAnnotation`,
+  `export function createUnionTypeAnnotation<T extends FlowType>(types: [T]): T`,
+  `export function createFlowUnionType<T extends FlowType>(types: [T]): T`,
+  // this probably misbehaves if there are 0 elements, and it's not a UnionTypeAnnotation if there's only 1
+  // it is possible to require "2 or more" for this overload ([T, T, ...T[]]) but it requires typescript 3.0
+  `export function createUnionTypeAnnotation(types: ReadonlyArray<FlowType>): UnionTypeAnnotation`,
+  `export function createFlowUnionType(types: ReadonlyArray<FlowType>): UnionTypeAnnotation`,
+  // this smells like "internal API"
+  // eslint-disable-next-line max-len
+  `export function buildChildren(node: { children: ReadonlyArray<JSXText | JSXExpressionContainer | JSXSpreadChild | JSXElement | JSXFragment | JSXEmptyExpression> }): JSXElement['children']`,
+
+  // clone/
+  `export function clone<T extends Node>(n: T): T;`,
+  `export function cloneDeep<T extends Node>(n: T): T;`,
+  `export function cloneDeepWithoutLoc<T extends Node>(n: T): T;`,
+  `export function cloneNode<T extends Node>(n: T, deep?: boolean, withoutLoc?: boolean): T;`,
+  `export function cloneWithoutLoc<T extends Node>(n: T): T;`,
+
+  // comments/
+  `export type CommentTypeShorthand = 'leading' | 'inner' | 'trailing'`,
+  // eslint-disable-next-line max-len
+  `export function addComment<T extends Node>(node: T, type: CommentTypeShorthand, content: string, line?: boolean): T`,
+  // eslint-disable-next-line max-len
+  `export function addComments<T extends Node>(node: T, type: CommentTypeShorthand, comments: ReadonlyArray<Comment>): T`,
+  `export function inheritInnerComments(node: Node, parent: Node): void`,
+  `export function inheritLeadingComments(node: Node, parent: Node): void`,
+  `export function inheritsComments<T extends Node>(node: T, parent: Node): void`,
+  `export function inheritTrailingComments(node: Node, parent: Node): void`,
+  `export function removeComments<T extends Node>(node: T): T`,
+
+  // converters/
+  // eslint-disable-next-line max-len
+  `export function ensureBlock(node: Extract<Node, { body: BlockStatement | Statement | Expression }>): BlockStatement`,
+  // too complex?
+  // eslint-disable-next-line max-len
+  `export function ensureBlock<K extends keyof Extract<Node, { body: BlockStatement | Statement | Expression }> = 'body'>(node: Extract<Node, Record<K, BlockStatement | Statement | Expression>>, key: K): BlockStatement`,
+  // gatherSequenceExpressions is not exported
+  `export function toBindingIdentifierName(name: { toString(): string } | null | undefined): string`,
+  `export function toBlock(node: Statement | Expression, parent?: Function | null): BlockStatement`,
+  // it is possible for `node` to be an arbitrary object if `key` is always provided,
+  // but that doesn't look like intended API
+  // eslint-disable-next-line max-len
+  `export function toComputedKey<T extends Extract<Node, { computed: boolean | null }>>(node: T, key?: Expression | Identifier): Expression`,
+  `export function toExpression(node: Function): FunctionExpression`,
+  `export function toExpression(node: Class): ClassExpression`,
+  `export function toExpression(node: ExpressionStatement | Expression | Class | Function): Expression`,
+  `export function toIdentifier(name: { toString(): string } | null | undefined): string`,
+  `export function toKeyAlias(node: Method | Property, key?: Node): string`,
+  // NOTE: this actually uses Scope from @babel/traverse, but we can't add a dependency on its types,
+  // as they live in @types. Declare the structural subset that is required.
+  // eslint-disable-next-line max-len
+  `export function toSequenceExpression(nodes: ReadonlyArray<Node>, scope: { push(value: { id: LVal; kind: 'var'; init?: Expression}): void; buildUndefinedNode(): Node }): SequenceExpression | undefined`,
+  `export function toStatement(node: AssignmentExpression, ignore?: boolean): ExpressionStatement`,
+  `export function toStatement(node: Statement | AssignmentExpression, ignore?: boolean): Statement`,
+  `export function toStatement(node: Class, ignore: true): ClassDeclaration | undefined`,
+  `export function toStatement(node: Class, ignore?: boolean): ClassDeclaration`,
+  `export function toStatement(node: Function, ignore: true): FunctionDeclaration | undefined`,
+  `export function toStatement(node: Function, ignore?: boolean): FunctionDeclaration`,
+  // eslint-disable-next-line max-len
+  `export function toStatement(node: Statement | Class | Function | AssignmentExpression, ignore: true): Statement | undefined`,
+  // eslint-disable-next-line max-len
+  `export function toStatement(node: Statement | Class | Function | AssignmentExpression, ignore?: boolean): Statement`,
+  // eslint-disable-next-line max-len
+  `export function valueToNode(value: undefined): Identifier`, // (should this not be a UnaryExpression to avoid shadowing?)
+  `export function valueToNode(value: boolean): BooleanLiteral`,
+  `export function valueToNode(value: null): NullLiteral`,
+  `export function valueToNode(value: string): StringLiteral`,
+  // Infinities and NaN need to use a BinaryExpression; negative values must be wrapped in UnaryExpression
+  `export function valueToNode(value: number): NumericLiteral | BinaryExpression | UnaryExpression`,
+  `export function valueToNode(value: RegExp): RegExpLiteral`,
+  // eslint-disable-next-line max-len
+  `export function valueToNode(value: ReadonlyArray<undefined | boolean | null | string | number | RegExp | object>): ArrayExpression`,
+  // this throws with objects that are not PlainObject according to lodash,
+  // or if there are non-valueToNode-able values
+  `export function valueToNode(value: object): ObjectExpression`,
+  // eslint-disable-next-line max-len
+  `export function valueToNode(value: undefined | boolean | null | string | number | RegExp | object): Expression`,
+
+  // modifications/
+  // eslint-disable-next-line max-len
+  `export function removeTypeDuplicates(types: ReadonlyArray<FlowType | false | null | undefined>): FlowType[]`,
+  // eslint-disable-next-line max-len
+  `export function appendToMemberExpression<T extends Pick<MemberExpression, 'object' | 'property'>>(member: T, append: MemberExpression['property'], computed?: boolean): T`,
+  // eslint-disable-next-line max-len
+  `export function inherits<T extends Node | null | undefined>(child: T, parent: Node | null | undefined): T`,
+  // eslint-disable-next-line max-len
+  `export function prependToMemberExpression<T extends Pick<MemberExpression, 'object' | 'property'>>(member: T, prepend: MemberExpression['object']): T`,
+  `export function removeProperties(
+  n: Node,
+  opts?: { preserveComments: boolean } | null
+): void;`,
+  `export function removePropertiesDeep<T extends Node>(
+  n: T,
+  opts?: { preserveComments: boolean } | null
+): T;`,
+
+  // retrievers/
+  // eslint-disable-next-line max-len
+  `export function getBindingIdentifiers(node: Node, duplicates: true, outerOnly?: boolean): Record<string, Array<Identifier>>`,
+  // eslint-disable-next-line max-len
+  `export function getBindingIdentifiers(node: Node, duplicates?: false, outerOnly?: boolean): Record<string, Identifier>`,
+  // eslint-disable-next-line max-len
+  `export function getBindingIdentifiers(node: Node, duplicates: boolean, outerOnly?: boolean): Record<string, Identifier | Array<Identifier>>`,
+  // eslint-disable-next-line max-len
+  `export function getOuterBindingIdentifiers(node: Node, duplicates: true): Record<string, Array<Identifier>>`,
+  `export function getOuterBindingIdentifiers(node: Node, duplicates?: false): Record<string, Identifier>`,
+  // eslint-disable-next-line max-len
+  `export function getOuterBindingIdentifiers(node: Node, duplicates: boolean): Record<string, Identifier | Array<Identifier>>`,
+
+  // traverse/
+  `export type TraversalAncestors = ReadonlyArray<{
+    node: Node,
+    key: string,
+    index?: number,
+  }>;
+  export type TraversalHandler<T> = (
+    this: undefined, node: Node, parent: TraversalAncestors, type: T
+  ) => void;
+  export type TraversalHandlers<T> = {
+    enter?: TraversalHandler<T>,
+    exit?: TraversalHandler<T>,
+  };`.replace(/(^|\n) {2}/g, "$1"),
+  // eslint-disable-next-line
+  `export function traverse<T>(n: Node, h: TraversalHandler<T> | TraversalHandlers<T>, state?: T): void;`,
+  `export function traverseFast<T>(n: Node, h: TraversalHandler<T>, state?: T): void;`,
+
+  // utils/
+  // cleanJSXElementLiteralChild is not exported
+  // inherit is not exported
+  `export function shallowEqual<T extends object>(actual: object, expected: T): actual is T`,
+
+  // validators/
+  // eslint-disable-next-line max-len
+  `export function buildMatchMemberExpression(match: string, allowPartial?: boolean): (node: Node | null | undefined) => node is MemberExpression`,
+  // eslint-disable-next-line max-len
+  `export function is<T extends Node['type']>(type: T, n: Node | null | undefined, required?: undefined): n is Extract<Node, { type: T }>`,
+  // eslint-disable-next-line max-len
+  `export function is<T extends Node['type'], P extends Extract<Node, { type: T }>>(type: T, n: Node | null | undefined, required: Partial<P>): n is P`,
+  // eslint-disable-next-line max-len
+  `export function is<P extends Node>(type: string, n: Node | null | undefined, required: Partial<P>): n is P`,
+  `export function is(type: string, n: Node | null | undefined, required?: Partial<Node>): n is Node`,
+  `export function isBinding(node: Node, parent: Node, grandparent?: Node): boolean`,
+  // eslint-disable-next-line max-len
+  `export function isBlockScoped(node: Node): node is FunctionDeclaration | ClassDeclaration | VariableDeclaration`,
+  `export function isImmutable(node: Node): node is Immutable`,
+  `export function isLet(node: Node): node is VariableDeclaration`,
+  `export function isNode(node: object | null | undefined): node is Node`,
+  `export function isNodesEquivalent<T extends Partial<Node>>(a: T, b: any): b is T`,
+  `export function isNodesEquivalent(a: any, b: any): boolean`,
+  `export function isPlaceholderType(placeholderType: Node['type'], targetType: Node['type']): boolean`,
+  `export function isReferenced(node: Node, parent: Node, grandparent?: Node): boolean`,
+  `export function isScope(node: Node, parent: Node): node is Scopable`,
+  `export function isSpecifierDefault(specifier: ModuleSpecifier): boolean`,
+  `export function isType<T extends Node['type']>(nodetype: string, targetType: T): nodetype is T`,
+  `export function isType(nodetype: string | null | undefined, targetType: string): boolean`,
+  `export function isValidES3Identifier(name: string): boolean`,
+  `export function isValidIdentifier(name: string): boolean`,
+  `export function isVar(node: Node): node is VariableDeclaration`,
+  // the MemberExpression implication is incidental, but it follows from the implementation
+  // eslint-disable-next-line max-len
+  `export function matchesPattern(node: Node | null | undefined, match: string | ReadonlyArray<string>, allowPartial?: boolean): node is MemberExpression`,
+  // TypeScript 3.7: ": asserts n is T"
+  // eslint-disable-next-line max-len
+  `export function validate<T extends Node, K extends keyof T>(n: Node | null | undefined, key: K, value: T[K]): void`,
+  `export function validate(n: Node, key: string, value: any): void;`
+);
+
+for (const type in t.DEPRECATED_KEYS) {
+  code += `/**
+ * @deprecated Use \`${t.DEPRECATED_KEYS[type]}\`
+ */
+export type ${type} = ${t.DEPRECATED_KEYS[type]};\n
+`;
+}
+
+for (const type in t.FLIPPED_ALIAS_KEYS) {
+  const types = t.FLIPPED_ALIAS_KEYS[type];
+  code += `export type ${type} = ${types
+    .map(type => `${type}`)
+    .join(" | ")};\n`;
+}
+code += "\n";
+
+code += "export interface Aliases {\n";
+for (const type in t.FLIPPED_ALIAS_KEYS) {
+  code += `  ${type}: ${type};\n`;
+}
+code += "}\n\n";
+
+code += lines.join("\n") + "\n";
+
+//
+
+process.stdout.write(code);
+
+//
+
+function areAllRemainingFieldsNullable(fieldName, fieldNames, fields) {
+  const index = fieldNames.indexOf(fieldName);
+  return fieldNames.slice(index).every(_ => isNullable(fields[_]));
+}
+
+function hasDefault(field) {
+  return field.default != null;
+}
+
+function isNullable(field) {
+  return field.optional || hasDefault(field);
+}
+
+function sortFieldNames(fields, type) {
+  return fields.sort((fieldA, fieldB) => {
+    const indexA = t.BUILDER_KEYS[type].indexOf(fieldA);
+    const indexB = t.BUILDER_KEYS[type].indexOf(fieldB);
+    if (indexA === indexB) return fieldA < fieldB ? -1 : 1;
+    if (indexA === -1) return 1;
+    if (indexB === -1) return -1;
+    return indexA - indexB;
+  });
+}

node_modules/@babel/types/scripts/utils/formatBuilderName.js

@@ -0,0 +1,10 @@
+"use strict";
+
+const toLowerCase = Function.call.bind("".toLowerCase);
+
+module.exports = function formatBuilderName(type) {
+  // FunctionExpression -> functionExpression
+  // JSXIdentifier -> jsxIdentifier
+  // V8IntrinsicIdentifier -> v8IntrinsicIdentifier
+  return type.replace(/^([A-Z](?=[a-z0-9])|[A-Z]+(?=[A-Z]))/, toLowerCase);
+};

node_modules/@babel/types/scripts/utils/lowerFirst.js

@@ -0,0 +1,4 @@
+"use strict";
+module.exports = function lowerFirst(string) {
+  return string[0].toLowerCase() + string.slice(1);
+};

node_modules/@babel/types/scripts/utils/stringifyValidator.js

@@ -0,0 +1,66 @@
+module.exports = function stringifyValidator(validator, nodePrefix) {
+  if (validator === undefined) {
+    return "any";
+  }
+
+  if (validator.each) {
+    return `Array<${stringifyValidator(validator.each, nodePrefix)}>`;
+  }
+
+  if (validator.chainOf) {
+    return stringifyValidator(validator.chainOf[1], nodePrefix);
+  }
+
+  if (validator.oneOf) {
+    return validator.oneOf.map(JSON.stringify).join(" | ");
+  }
+
+  if (validator.oneOfNodeTypes) {
+    return validator.oneOfNodeTypes.map(_ => nodePrefix + _).join(" | ");
+  }
+
+  if (validator.oneOfNodeOrValueTypes) {
+    return validator.oneOfNodeOrValueTypes
+      .map(_ => {
+        return isValueType(_) ? _ : nodePrefix + _;
+      })
+      .join(" | ");
+  }
+
+  if (validator.type) {
+    return validator.type;
+  }
+
+  if (validator.shapeOf) {
+    return (
+      "{ " +
+      Object.keys(validator.shapeOf)
+        .map(shapeKey => {
+          const propertyDefinition = validator.shapeOf[shapeKey];
+          if (propertyDefinition.validate) {
+            const isOptional =
+              propertyDefinition.optional || propertyDefinition.default != null;
+            return (
+              shapeKey +
+              (isOptional ? "?: " : ": ") +
+              stringifyValidator(propertyDefinition.validate)
+            );
+          }
+          return null;
+        })
+        .filter(Boolean)
+        .join(", ") +
+      " }"
+    );
+  }
+
+  return ["any"];
+};
+
+/**
+ * Heuristic to decide whether or not the given type is a value type (eg. "null")
+ * or a Node type (eg. "Expression").
+ */
+function isValueType(type) {
+  return type.charAt(0).toLowerCase() === type.charAt(0);
+}

node_modules/@babel/types/scripts/utils/toFunctionName.js

@@ -0,0 +1,4 @@
+module.exports = function toFunctionName(typeName) {
+  const _ = typeName.replace(/^TS/, "ts").replace(/^JSX/, "jsx");
+  return _.slice(0, 1).toLowerCase() + _.slice(1);
+};