hermes-parser - npm Package Compare versions

Comparing version 0.15.1 to 0.16.0

dist/generated/ESTreeVisitorKeys.js

@@ -177,2 +177,3 @@ /**
   TypeofTypeAnnotation: ['argument'],
+  TypeOperator: ['typeAnnotation'],
   TypeParameter: ['bound', 'variance', 'default'],
@@ -179,0 +180,0 @@ TypeParameterDeclaration: ['params'],

dist/generated/ParserVisitorKeys.js

@@ -598,2 +598,5 @@ /**
   },
+  TypeOperator: {
+    typeAnnotation: 'Node'
+  },
   TypeParameter: {
@@ -600,0 +603,0 @@ bound: 'Node',

dist/HermesASTAdapter.js

@@ -58,3 +58,10 @@ "use strict";
 
-    return this.mapNode(program);
+    const resultNode = this.mapNode(program);
+
+    if (resultNode.type !== 'Program') {
+      throw new Error(`HermesToESTreeAdapter: Must return a Program node, instead of "${resultNode.type}". `);
+    } // $FlowExpectedError[incompatible-return] We know this is a program at this point.
+
+
+    return resultNode;
   }
@@ -61,0 +68,0 @@ /**

dist/HermesParserNodeDeserializers.js

@@ -869,2 +869,6 @@ /**
 
+function deserializeJSXFirst() {
+  throw new Error('JSX' + ' should not appear in program buffer');
+}
+
 function deserializeJSXIdentifier() {
@@ -1007,2 +1011,10 @@ return {
 
+function deserializeJSXLast() {
+  throw new Error('JSX' + ' should not appear in program buffer');
+}
+
+function deserializeFlowFirst() {
+  throw new Error('Flow' + ' should not appear in program buffer');
+}
+
 function deserializeExistsTypeAnnotation() {
@@ -1196,2 +1208,11 @@ return {
 
+function deserializeTypeOperator() {
+  return {
+    type: 'TypeOperator',
+    loc: this.addEmptyLoc(),
+    operator: this.deserializeString(),
+    typeAnnotation: this.deserializeNode()
+  };
+}
+
 function deserializeQualifiedTypeofIdentifier() {
@@ -1737,2 +1758,10 @@ return {
 
+function deserializeFlowLast() {
+  throw new Error('Flow' + ' should not appear in program buffer');
+}
+
+function deserializeTSFirst() {
+  throw new Error('TS' + ' should not appear in program buffer');
+}
+
 function deserializeTSTypeAnnotation() {
@@ -1788,2 +1817,30 @@ return {
 
+function deserializeTSUndefinedKeyword() {
+  return {
+    type: 'TSUndefinedKeyword',
+    loc: this.addEmptyLoc()
+  };
+}
+
+function deserializeTSUnknownKeyword() {
+  return {
+    type: 'TSUnknownKeyword',
+    loc: this.addEmptyLoc()
+  };
+}
+
+function deserializeTSNeverKeyword() {
+  return {
+    type: 'TSNeverKeyword',
+    loc: this.addEmptyLoc()
+  };
+}
+
+function deserializeTSBigIntKeyword() {
+  return {
+    type: 'TSBigIntKeyword',
+    loc: this.addEmptyLoc()
+  };
+}
+
 function deserializeTSThisType() {
@@ -2110,2 +2167,6 @@ return {
 
+function deserializeTSLast() {
+  throw new Error('TS' + ' should not appear in program buffer');
+}
+
 function deserializeCoverFirst() {
@@ -2159,2 +2220,2 @@ throw new Error('Cover' + ' should not appear in program buffer');
 
-module.exports = [deserializeEmpty, deserializeMetadata, deserializeFunctionLikeFirst, deserializeProgram, deserializeFunctionExpression, deserializeArrowFunctionExpression, deserializeFunctionDeclaration, deserializeComponentDeclaration, deserializeFunctionLikeLast, deserializeStatementFirst, deserializeLoopStatementFirst, deserializeWhileStatement, deserializeDoWhileStatement, deserializeForInStatement, deserializeForOfStatement, deserializeForStatement, deserializeLoopStatementLast, deserializeDebuggerStatement, deserializeEmptyStatement, deserializeBlockStatement, deserializeBreakStatement, deserializeContinueStatement, deserializeThrowStatement, deserializeReturnStatement, deserializeWithStatement, deserializeSwitchStatement, deserializeLabeledStatement, deserializeExpressionStatement, deserializeTryStatement, deserializeIfStatement, deserializeStatementLast, deserializeNullLiteral, deserializeBooleanLiteral, deserializeStringLiteral, deserializeNumericLiteral, deserializeRegExpLiteral, deserializeBigIntLiteral, deserializeThisExpression, deserializeSuper, deserializeSequenceExpression, deserializeObjectExpression, deserializeArrayExpression, deserializeSpreadElement, deserializeNewExpression, deserializeYieldExpression, deserializeAwaitExpression, deserializeImportExpression, deserializeCallExpressionLikeFirst, deserializeCallExpression, deserializeOptionalCallExpression, deserializeCallExpressionLikeLast, deserializeAssignmentExpression, deserializeUnaryExpression, deserializeUpdateExpression, deserializeMemberExpressionLikeFirst, deserializeMemberExpression, deserializeOptionalMemberExpression, deserializeMemberExpressionLikeLast, deserializeLogicalExpression, deserializeConditionalExpression, deserializeBinaryExpression, deserializeDirective, deserializeDirectiveLiteral, deserializeIdentifier, deserializePrivateName, deserializeMetaProperty, deserializeSwitchCase, deserializeCatchClause, deserializeVariableDeclarator, deserializeVariableDeclaration, deserializeTemplateLiteral, deserializeTaggedTemplateExpression, deserializeTemplateElement, deserializeProperty, deserializeClassDeclaration, deserializeClassExpression, deserializeClassBody, deserializeClassProperty, deserializeClassPrivateProperty, deserializeMethodDefinition, deserializeImportDeclaration, deserializeImportSpecifier, deserializeImportDefaultSpecifier, deserializeImportNamespaceSpecifier, deserializeImportAttribute, deserializeExportNamedDeclaration, deserializeExportSpecifier, deserializeExportNamespaceSpecifier, deserializeExportDefaultDeclaration, deserializeExportAllDeclaration, deserializePatternFirst, deserializeObjectPattern, deserializeArrayPattern, deserializeRestElement, deserializeAssignmentPattern, deserializePatternLast, deserializeJSXIdentifier, deserializeJSXMemberExpression, deserializeJSXNamespacedName, deserializeJSXEmptyExpression, deserializeJSXExpressionContainer, deserializeJSXSpreadChild, deserializeJSXOpeningElement, deserializeJSXClosingElement, deserializeJSXAttribute, deserializeJSXSpreadAttribute, deserializeJSXStringLiteral, deserializeJSXText, deserializeJSXElement, deserializeJSXFragment, deserializeJSXOpeningFragment, deserializeJSXClosingFragment, deserializeExistsTypeAnnotation, deserializeEmptyTypeAnnotation, deserializeStringTypeAnnotation, deserializeNumberTypeAnnotation, deserializeStringLiteralTypeAnnotation, deserializeNumberLiteralTypeAnnotation, deserializeBigIntLiteralTypeAnnotation, deserializeBooleanTypeAnnotation, deserializeBooleanLiteralTypeAnnotation, deserializeNullLiteralTypeAnnotation, deserializeSymbolTypeAnnotation, deserializeAnyTypeAnnotation, deserializeMixedTypeAnnotation, deserializeBigIntTypeAnnotation, deserializeVoidTypeAnnotation, deserializeFunctionTypeAnnotation, deserializeFunctionTypeParam, deserializeComponentTypeAnnotation, deserializeComponentTypeParameter, deserializeNullableTypeAnnotation, deserializeQualifiedTypeIdentifier, deserializeTypeofTypeAnnotation, deserializeKeyofTypeAnnotation, deserializeQualifiedTypeofIdentifier, deserializeTupleTypeAnnotation, deserializeTupleTypeSpreadElement, deserializeTupleTypeLabeledElement, deserializeArrayTypeAnnotation, deserializeInferTypeAnnotation, deserializeUnionTypeAnnotation, deserializeIntersectionTypeAnnotation, deserializeGenericTypeAnnotation, deserializeIndexedAccessType, deserializeOptionalIndexedAccessType, deserializeConditionalTypeAnnotation, deserializeTypePredicate, deserializeInterfaceTypeAnnotation, deserializeTypeAlias, deserializeOpaqueType, deserializeInterfaceDeclaration, deserializeDeclareTypeAlias, deserializeDeclareOpaqueType, deserializeDeclareInterface, deserializeDeclareClass, deserializeDeclareFunction, deserializeDeclareComponent, deserializeDeclareVariable, deserializeDeclareEnum, deserializeDeclareExportDeclaration, deserializeDeclareExportAllDeclaration, deserializeDeclareModule, deserializeDeclareModuleExports, deserializeInterfaceExtends, deserializeClassImplements, deserializeTypeAnnotation, deserializeObjectTypeAnnotation, deserializeObjectTypeProperty, deserializeObjectTypeSpreadProperty, deserializeObjectTypeInternalSlot, deserializeObjectTypeCallProperty, deserializeObjectTypeIndexer, deserializeObjectTypeMappedTypeProperty, deserializeVariance, deserializeTypeParameterDeclaration, deserializeTypeParameter, deserializeTypeParameterInstantiation, deserializeTypeCastExpression, deserializeInferredPredicate, deserializeDeclaredPredicate, deserializeEnumDeclaration, deserializeEnumStringBody, deserializeEnumNumberBody, deserializeEnumBooleanBody, deserializeEnumSymbolBody, deserializeEnumDefaultedMember, deserializeEnumStringMember, deserializeEnumNumberMember, deserializeEnumBooleanMember, deserializeComponentParameter, deserializeTSTypeAnnotation, deserializeTSAnyKeyword, deserializeTSNumberKeyword, deserializeTSBooleanKeyword, deserializeTSStringKeyword, deserializeTSSymbolKeyword, deserializeTSVoidKeyword, deserializeTSThisType, deserializeTSLiteralType, deserializeTSIndexedAccessType, deserializeTSArrayType, deserializeTSTypeReference, deserializeTSQualifiedName, deserializeTSFunctionType, deserializeTSConstructorType, deserializeTSTypePredicate, deserializeTSTupleType, deserializeTSTypeAssertion, deserializeTSAsExpression, deserializeTSParameterProperty, deserializeTSTypeAliasDeclaration, deserializeTSInterfaceDeclaration, deserializeTSInterfaceHeritage, deserializeTSInterfaceBody, deserializeTSEnumDeclaration, deserializeTSEnumMember, deserializeTSModuleDeclaration, deserializeTSModuleBlock, deserializeTSModuleMember, deserializeTSTypeParameterDeclaration, deserializeTSTypeParameter, deserializeTSTypeParameterInstantiation, deserializeTSUnionType, deserializeTSIntersectionType, deserializeTSTypeQuery, deserializeTSConditionalType, deserializeTSTypeLiteral, deserializeTSPropertySignature, deserializeTSMethodSignature, deserializeTSIndexSignature, deserializeTSCallSignatureDeclaration, deserializeTSModifiers, deserializeCoverFirst, deserializeCoverEmptyArgs, deserializeCoverTrailingComma, deserializeCoverInitializer, deserializeCoverRestElement, deserializeCoverTypedIdentifier, deserializeCoverLast];
+module.exports = [deserializeEmpty, deserializeMetadata, deserializeFunctionLikeFirst, deserializeProgram, deserializeFunctionExpression, deserializeArrowFunctionExpression, deserializeFunctionDeclaration, deserializeComponentDeclaration, deserializeFunctionLikeLast, deserializeStatementFirst, deserializeLoopStatementFirst, deserializeWhileStatement, deserializeDoWhileStatement, deserializeForInStatement, deserializeForOfStatement, deserializeForStatement, deserializeLoopStatementLast, deserializeDebuggerStatement, deserializeEmptyStatement, deserializeBlockStatement, deserializeBreakStatement, deserializeContinueStatement, deserializeThrowStatement, deserializeReturnStatement, deserializeWithStatement, deserializeSwitchStatement, deserializeLabeledStatement, deserializeExpressionStatement, deserializeTryStatement, deserializeIfStatement, deserializeStatementLast, deserializeNullLiteral, deserializeBooleanLiteral, deserializeStringLiteral, deserializeNumericLiteral, deserializeRegExpLiteral, deserializeBigIntLiteral, deserializeThisExpression, deserializeSuper, deserializeSequenceExpression, deserializeObjectExpression, deserializeArrayExpression, deserializeSpreadElement, deserializeNewExpression, deserializeYieldExpression, deserializeAwaitExpression, deserializeImportExpression, deserializeCallExpressionLikeFirst, deserializeCallExpression, deserializeOptionalCallExpression, deserializeCallExpressionLikeLast, deserializeAssignmentExpression, deserializeUnaryExpression, deserializeUpdateExpression, deserializeMemberExpressionLikeFirst, deserializeMemberExpression, deserializeOptionalMemberExpression, deserializeMemberExpressionLikeLast, deserializeLogicalExpression, deserializeConditionalExpression, deserializeBinaryExpression, deserializeDirective, deserializeDirectiveLiteral, deserializeIdentifier, deserializePrivateName, deserializeMetaProperty, deserializeSwitchCase, deserializeCatchClause, deserializeVariableDeclarator, deserializeVariableDeclaration, deserializeTemplateLiteral, deserializeTaggedTemplateExpression, deserializeTemplateElement, deserializeProperty, deserializeClassDeclaration, deserializeClassExpression, deserializeClassBody, deserializeClassProperty, deserializeClassPrivateProperty, deserializeMethodDefinition, deserializeImportDeclaration, deserializeImportSpecifier, deserializeImportDefaultSpecifier, deserializeImportNamespaceSpecifier, deserializeImportAttribute, deserializeExportNamedDeclaration, deserializeExportSpecifier, deserializeExportNamespaceSpecifier, deserializeExportDefaultDeclaration, deserializeExportAllDeclaration, deserializePatternFirst, deserializeObjectPattern, deserializeArrayPattern, deserializeRestElement, deserializeAssignmentPattern, deserializePatternLast, deserializeJSXFirst, deserializeJSXIdentifier, deserializeJSXMemberExpression, deserializeJSXNamespacedName, deserializeJSXEmptyExpression, deserializeJSXExpressionContainer, deserializeJSXSpreadChild, deserializeJSXOpeningElement, deserializeJSXClosingElement, deserializeJSXAttribute, deserializeJSXSpreadAttribute, deserializeJSXStringLiteral, deserializeJSXText, deserializeJSXElement, deserializeJSXFragment, deserializeJSXOpeningFragment, deserializeJSXClosingFragment, deserializeJSXLast, deserializeFlowFirst, deserializeExistsTypeAnnotation, deserializeEmptyTypeAnnotation, deserializeStringTypeAnnotation, deserializeNumberTypeAnnotation, deserializeStringLiteralTypeAnnotation, deserializeNumberLiteralTypeAnnotation, deserializeBigIntLiteralTypeAnnotation, deserializeBooleanTypeAnnotation, deserializeBooleanLiteralTypeAnnotation, deserializeNullLiteralTypeAnnotation, deserializeSymbolTypeAnnotation, deserializeAnyTypeAnnotation, deserializeMixedTypeAnnotation, deserializeBigIntTypeAnnotation, deserializeVoidTypeAnnotation, deserializeFunctionTypeAnnotation, deserializeFunctionTypeParam, deserializeComponentTypeAnnotation, deserializeComponentTypeParameter, deserializeNullableTypeAnnotation, deserializeQualifiedTypeIdentifier, deserializeTypeofTypeAnnotation, deserializeKeyofTypeAnnotation, deserializeTypeOperator, deserializeQualifiedTypeofIdentifier, deserializeTupleTypeAnnotation, deserializeTupleTypeSpreadElement, deserializeTupleTypeLabeledElement, deserializeArrayTypeAnnotation, deserializeInferTypeAnnotation, deserializeUnionTypeAnnotation, deserializeIntersectionTypeAnnotation, deserializeGenericTypeAnnotation, deserializeIndexedAccessType, deserializeOptionalIndexedAccessType, deserializeConditionalTypeAnnotation, deserializeTypePredicate, deserializeInterfaceTypeAnnotation, deserializeTypeAlias, deserializeOpaqueType, deserializeInterfaceDeclaration, deserializeDeclareTypeAlias, deserializeDeclareOpaqueType, deserializeDeclareInterface, deserializeDeclareClass, deserializeDeclareFunction, deserializeDeclareComponent, deserializeDeclareVariable, deserializeDeclareEnum, deserializeDeclareExportDeclaration, deserializeDeclareExportAllDeclaration, deserializeDeclareModule, deserializeDeclareModuleExports, deserializeInterfaceExtends, deserializeClassImplements, deserializeTypeAnnotation, deserializeObjectTypeAnnotation, deserializeObjectTypeProperty, deserializeObjectTypeSpreadProperty, deserializeObjectTypeInternalSlot, deserializeObjectTypeCallProperty, deserializeObjectTypeIndexer, deserializeObjectTypeMappedTypeProperty, deserializeVariance, deserializeTypeParameterDeclaration, deserializeTypeParameter, deserializeTypeParameterInstantiation, deserializeTypeCastExpression, deserializeInferredPredicate, deserializeDeclaredPredicate, deserializeEnumDeclaration, deserializeEnumStringBody, deserializeEnumNumberBody, deserializeEnumBooleanBody, deserializeEnumSymbolBody, deserializeEnumDefaultedMember, deserializeEnumStringMember, deserializeEnumNumberMember, deserializeEnumBooleanMember, deserializeComponentParameter, deserializeFlowLast, deserializeTSFirst, deserializeTSTypeAnnotation, deserializeTSAnyKeyword, deserializeTSNumberKeyword, deserializeTSBooleanKeyword, deserializeTSStringKeyword, deserializeTSSymbolKeyword, deserializeTSVoidKeyword, deserializeTSUndefinedKeyword, deserializeTSUnknownKeyword, deserializeTSNeverKeyword, deserializeTSBigIntKeyword, deserializeTSThisType, deserializeTSLiteralType, deserializeTSIndexedAccessType, deserializeTSArrayType, deserializeTSTypeReference, deserializeTSQualifiedName, deserializeTSFunctionType, deserializeTSConstructorType, deserializeTSTypePredicate, deserializeTSTupleType, deserializeTSTypeAssertion, deserializeTSAsExpression, deserializeTSParameterProperty, deserializeTSTypeAliasDeclaration, deserializeTSInterfaceDeclaration, deserializeTSInterfaceHeritage, deserializeTSInterfaceBody, deserializeTSEnumDeclaration, deserializeTSEnumMember, deserializeTSModuleDeclaration, deserializeTSModuleBlock, deserializeTSModuleMember, deserializeTSTypeParameterDeclaration, deserializeTSTypeParameter, deserializeTSTypeParameterInstantiation, deserializeTSUnionType, deserializeTSIntersectionType, deserializeTSTypeQuery, deserializeTSConditionalType, deserializeTSTypeLiteral, deserializeTSPropertySignature, deserializeTSMethodSignature, deserializeTSIndexSignature, deserializeTSCallSignatureDeclaration, deserializeTSModifiers, deserializeTSLast, deserializeCoverFirst, deserializeCoverEmptyArgs, deserializeCoverTrailingComma, deserializeCoverInitializer, deserializeCoverRestElement, deserializeCoverTypedIdentifier, deserializeCoverLast];

dist/HermesToESTreeAdapter.js

@@ -236,3 +236,3 @@ "use strict";
 
-    if (node.value.type === 'FunctionExpression') {
+    if (node.value.type === 'FunctionExpression' && (node.method || node.kind !== 'init')) {
       node.value.loc.start = node.key.loc.end;
@@ -259,2 +259,4 @@ node.value.range[0] = node.key.range[1];
     switch (node.type) {
+      // This prop should ideally only live on `ArrowFunctionExpression` but to
+      // match espree output we place it on all functions types.
       case 'FunctionDeclaration':
@@ -306,3 +308,3 @@ case 'FunctionExpression':
       c) wrap this node (`node = ChainExpression[expression = node]`)
-    3) if the current node is a `MembedExpression`:
+    3) if the current node is a `MemberExpression`:
       a) convert this node to a `MemberExpression[optional = true]`
@@ -309,0 +311,0 @@ */

dist/index.js

@@ -18,2 +18,3 @@ /**
   mutateESTreeASTForPrettier: true,
+  Transforms: true,
   FlowVisitorKeys: true,
@@ -23,3 +24,3 @@ astArrayMutationHelpers: true,
 };
-exports.mutateESTreeASTForPrettier = exports.astNodeMutationHelpers = exports.astArrayMutationHelpers = void 0;
+exports.mutateESTreeASTForPrettier = exports.astNodeMutationHelpers = exports.astArrayMutationHelpers = exports.Transforms = void 0;
 exports.parse = parse;
@@ -29,4 +30,2 @@
 
-var _HermesToBabelAdapter = _interopRequireDefault(require("./HermesToBabelAdapter"));
-
 var _HermesToESTreeAdapter = _interopRequireDefault(require("./HermesToESTreeAdapter"));
@@ -38,2 +37,10 @@
 
+var StripComponentSyntax = _interopRequireWildcard(require("./estree/StripComponentSyntax"));
+
+var StripFlowTypesForBabel = _interopRequireWildcard(require("./estree/StripFlowTypesForBabel"));
+
+var TransformESTreeToBabel = _interopRequireWildcard(require("./babel/TransformESTreeToBabel"));
+
+var StripFlowTypes = _interopRequireWildcard(require("./estree/StripFlowTypes"));
+
 var _ParserOptions = require("./ParserOptions");
@@ -114,2 +121,6 @@
 
+  if (options.enableExperimentalComponentSyntax == null) {
+    options.enableExperimentalComponentSyntax = true; // Enable by default
+  }
+
   options.tokens = options.tokens === true;
@@ -120,7 +131,2 @@ options.allowReturnOutsideFunction = options.allowReturnOutsideFunction === true;
 
-function getAdapter(options, code) {
-  return options.babel === true ? new _HermesToBabelAdapter.default(options) : new _HermesToESTreeAdapter.default(options, code);
-} // $FlowExpectedError[unclear-type]
-
-
 // eslint-disable-next-line no-redeclare
@@ -130,4 +136,18 @@ function parse(code, opts) {
   const ast = HermesParser.parse(code, options);
-  const adapter = getAdapter(options, code);
-  return adapter.transform(ast);
-}
+  const estreeAdapter = new _HermesToESTreeAdapter.default(options, code);
+  const estreeAST = estreeAdapter.transform(ast);
+
+  if (options.babel !== true) {
+    return estreeAST;
+  }
+
+  const loweredESTreeAST = [StripComponentSyntax.transformProgram, StripFlowTypesForBabel.transformProgram].reduce((ast, transform) => transform(ast, options), estreeAST);
+  return TransformESTreeToBabel.transformProgram(loweredESTreeAST, options);
+}
+
+const Transforms = {
+  stripComponentSyntax: StripComponentSyntax.transformProgram,
+  stripFlowTypesForBabel: StripFlowTypesForBabel.transformProgram,
+  stripFlowTypes: StripFlowTypes.transformProgram
+};
+exports.Transforms = Transforms;

dist/transform/astNodeMutationHelpers.js

@@ -29,3 +29,3 @@ /**
 
-function getParentKey(target, parent) {
+function getParentKey(target, parent, visitorKeys) {
   if (parent == null) {
@@ -35,3 +35,3 @@ throw new Error(`Expected parent node to be set on "${target.type}"`);
 
-  for (const key of (0, _getVisitorKeys.getVisitorKeys)(parent)) {
+  for (const key of (0, _getVisitorKeys.getVisitorKeys)(parent, visitorKeys)) {
     if ((0, _getVisitorKeys.isNode)( // $FlowExpectedError[prop-missing]
@@ -70,4 +70,4 @@ parent[key])) {
 
-function replaceNodeOnParent(originalNode, originalNodeParent, nodeToReplaceWith) {
-  const replacementParent = getParentKey(originalNode, originalNodeParent);
+function replaceNodeOnParent(originalNode, originalNodeParent, nodeToReplaceWith, visitorKeys) {
+  const replacementParent = getParentKey(originalNode, originalNodeParent, visitorKeys);
   const parent = replacementParent.node;
@@ -89,4 +89,4 @@
 
-function removeNodeOnParent(originalNode, originalNodeParent) {
-  const replacementParent = getParentKey(originalNode, originalNodeParent);
+function removeNodeOnParent(originalNode, originalNodeParent, visitorKeys) {
+  const replacementParent = getParentKey(originalNode, originalNodeParent, visitorKeys);
   const parent = replacementParent.node;
@@ -108,4 +108,4 @@
 
-function setParentPointersInDirectChildren(node) {
-  for (const key of (0, _getVisitorKeys.getVisitorKeys)(node)) {
+function setParentPointersInDirectChildren(node, visitorKeys) {
+  for (const key of (0, _getVisitorKeys.getVisitorKeys)(node, visitorKeys)) {
     if ((0, _getVisitorKeys.isNode)(node[key])) {
@@ -125,3 +125,3 @@ node[key].parent = node;
 
-function updateAllParentPointers(node) {
+function updateAllParentPointers(node, visitorKeys) {
   _SimpleTraverser.SimpleTraverser.traverse(node, {
@@ -133,4 +133,5 @@ enter(node, parent) {
 
-    leave() {}
+    leave() {},
 
+    visitorKeys
   });
@@ -145,8 +146,14 @@ }
 
-function nodeWith(node, overrideProps) {
+function nodeWith(node, overrideProps, visitorKeys) {
   // Check if this will actually result in a change, maintaining referential equality is important.
-  const willBeUnchanged = Object.entries(overrideProps).every(([key, value]) => // $FlowExpectedError[incompatible-call]
-  // $FlowExpectedError[prop-missing]
-  Array.isArray(value) ? (0, _astArrayMutationHelpers.arrayIsEqual)(node[key], value) : node[key] === value);
+  const willBeUnchanged = Object.entries(overrideProps).every(([key, value]) => {
+    if (Array.isArray(value)) {
+      // $FlowExpectedError[prop-missing]
+      return Array.isArray(node[key]) ? (0, _astArrayMutationHelpers.arrayIsEqual)(node[key], value) : false;
+    } // $FlowExpectedError[prop-missing]
 
+
+    return node[key] === value;
+  });
+
   if (willBeUnchanged) {
@@ -162,3 +169,3 @@ return node;
 
-  setParentPointersInDirectChildren(newNode);
+  setParentPointersInDirectChildren(newNode, visitorKeys);
   return newNode;
@@ -171,3 +178,3 @@ }
 
-function shallowCloneNode(node) {
+function shallowCloneNode(node, visitorKeys) {
   // $FlowExpectedError[cannot-spread-interface]
@@ -177,3 +184,3 @@ const newNode = { ...node
 
-  setParentPointersInDirectChildren(newNode);
+  setParentPointersInDirectChildren(newNode, visitorKeys);
   return newNode;
@@ -186,3 +193,3 @@ }
 
-function deepCloneNode(node) {
+function deepCloneNode(node, visitorKeys) {
   const clone = JSON.parse(JSON.stringify(node, (key, value) => {
@@ -196,4 +203,4 @@ // null out parent pointers
   }));
-  updateAllParentPointers(clone);
+  updateAllParentPointers(clone, visitorKeys);
   return clone;
 }

dist/transform/SimpleTransform.js

@@ -21,5 +21,13 @@ /**
 
+function setParentPointer(node, parent) {
+  if (parent != null) {
+    // $FlowExpectedError[cannot-write]
+    node.parent = parent;
+  }
+}
 /**
  * A simple class to recursively tranform AST trees.
  */
+
+
 class SimpleTransform {
@@ -37,7 +45,15 @@ /**
       enter: (node, parent) => {
+        // Ensure the parent pointers are correctly set before entering the node.
+        setParentPointer(node, parent);
         const resultNode = options.transform(node);
 
         if (resultNode !== node) {
-          const traversedResultNode = resultNode != null ? this.transform(resultNode, options) : null;
+          let traversedResultNode = null;
 
+          if (resultNode != null) {
+            // Ensure the new node has the correct parent pointers before recursing again.
+            setParentPointer(resultNode, parent);
+            traversedResultNode = this.transform(resultNode, options);
+          }
+
           if (parent == null) {
@@ -50,5 +66,6 @@ if (node !== rootNode) {
           } else if (traversedResultNode == null) {
-            (0, _astNodeMutationHelpers.removeNodeOnParent)(node, parent);
+            (0, _astNodeMutationHelpers.removeNodeOnParent)(node, parent, options.visitorKeys);
           } else {
-            (0, _astNodeMutationHelpers.replaceNodeOnParent)(node, parent, traversedResultNode);
+            (0, _astNodeMutationHelpers.replaceNodeOnParent)(node, parent, traversedResultNode, options.visitorKeys);
+            setParentPointer(traversedResultNode, parent);
           }
@@ -77,2 +94,12 @@
   }
+
+  static transformProgram(program, options) {
+    const result = SimpleTransform.transform(program, options);
+
+    if ((result == null ? void 0 : result.type) === 'Program') {
+      return result;
+    }
+
+    throw new Error('SimpleTransform.transformProgram: Expected program node.');
+  }
   /**
@@ -91,4 +118,4 @@ * Return a new AST node with the given properties overrided if needed.
 
-  static nodeWith(node, overrideProps) {
-    return (0, _astNodeMutationHelpers.nodeWith)(node, overrideProps);
+  static nodeWith(node, overrideProps, visitorKeys) {
+    return (0, _astNodeMutationHelpers.nodeWith)(node, overrideProps, visitorKeys);
   }
@@ -95,0 +122,0 @@

package.json

 {
   "name": "hermes-parser",
-  "version": "0.15.1",
+  "version": "0.16.0",
   "description": "A JavaScript parser built from the Hermes engine",
@@ -12,3 +12,3 @@ "main": "dist/index.js",
   "dependencies": {
-    "hermes-estree": "0.15.1"
+    "hermes-estree": "0.16.0"
   },
@@ -15,0 +15,0 @@ "devDependencies": {

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

1034720

increased by7.51%

Number of package files

48

increased by14.29%

Lines of code

6185

increased by23.33%

Dependency changes

• + Addedhermes-estree@0.16.0(transitive)

• - Removedhermes-estree@0.15.1(transitive)

• Updatedhermes-estree@0.16.0