Uses of Interface
com.google.javascript.jscomp.NodeTraversal.Callback

Packages that use NodeTraversal.Callback

Package	Description
com.google.javascript.jscomp	Provides the core compiler and its public API.
com.google.javascript.jscomp.lint	Provides "lint" checks: Checks which are likely to provide a lot of false positives, and therefore should not generally be turned on as errors, but which might be appropriate to include in a static analysis tool.
com.google.javascript.jscomp.modules

Uses of NodeTraversal.Callback in com.google.javascript.jscomp

Subinterfaces of NodeTraversal.Callback in com.google.javascript.jscomp

Modifier and Type	Interface and Description
static interface	NodeTraversal.ScopedCallback Callback that also knows about scope changes

Classes in com.google.javascript.jscomp that implement NodeTraversal.Callback

Modifier and Type	Class and Description
class	BranchCoverageInstrumentationCallback Instrument branch coverage for javascript.
class	CheckConformance Provides a framework for checking code against a set of user configured conformance rules.
class	CheckMissingAndExtraRequires Walks the AST looking for usages of qualified names, and 'goog.require's of those names.
class	CheckTypeImportCodeReferences Checks for invalid code references to type-only imports (i.e., goog.requireType).
class	ChromePass Compiler pass for Chrome-specific needs.
class	ClosureCheckModule Checks that goog.module() is used correctly.
class	ControlFlowAnalysis This is a compiler pass that computes a control flow graph.
static class	ControlFlowGraph.AbstractCfgNodeTraversalCallback Abstract callback to visit a control flow graph node without going into subtrees of the node that are also represented by other control flow graph nodes.
class	CrossChunkReferenceCollector Collects global variable references for use by CrossChunkCodeMotion.
class	DartSuperAccessorsPass Converts super getter and setter calls in order to support the output of the Dart Dev Compiler (https://github.com/dart-lang/dev_compiler).
class	Es6CheckModule Checks that ES6 Modules are used correctly, and do not reference undefined keywords or features.
class	Es6ConvertSuper Converts super.method() calls and adds constructors to any classes that lack them.
class	Es6ConvertSuperConstructorCalls Converts super() calls.
class	Es6ExtractClasses Extracts ES6 classes defined in function calls to local constants.
class	Es6ForOfConverter Converts ES6 "for of" loops to ES5.
class	Es6InjectRuntimeLibraries Injects JS library code that may be needed by the transpiled form of the input source code.
class	Es6NormalizeShorthandProperties Normalizes shorthand object properties.
class	Es6RenameVariablesInParamLists Renames declarations and references in function bodies to avoid shadowing names referenced in the parameter list, in default values or computed properties.
class	Es6RewriteArrowFunction Converts ES6 arrow functions to standard anonymous ES3 functions.
class	Es6RewriteBlockScopedDeclaration Rewrite "let"s and "const"s as "var"s.
class	Es6RewriteBlockScopedFunctionDeclaration Rewrite block-scoped function declarations as "let"s.
class	Es6RewriteClass Converts ES6 classes to valid ES5 or ES3 code.
class	Es6RewriteClassExtendsExpressions Extracts ES6 class extends expressions and creates an alias.
class	Es6RewriteDestructuring Rewrites destructuring patterns and default parameters to valid ES3 code or to a different form of destructuring.
class	Es6RewriteModules Rewrites a ES6 module into a form that can be safely concatenated.
class	Es6RewriteRestAndSpread Converts REST parameters and SPREAD expressions.
class	Es6RewriteScriptsToModules Rewrites a script which was imported as a module into an ES6 module.
class	Es6SplitVariableDeclarations Splits variable declarations that declare multiple variables into separate declarations, if at least one of the declarations is a destructuring declaration.
class	Es6TypedToEs6Converter Converts Node.getDeclaredTypeExpression() to JSDocInfo.getType() type annotations.
class	Es7RewriteExponentialOperator Replaces the ES7 `**` and `**=` operators to calls to `Math.pow`.
class	FindModuleDependencies Find and update any direct dependencies of an input.
class	ImplicitNullabilityCheck Warn about types in JSDoc that are implicitly nullable.
class	J2clAssertRemovalPass An optimization pass to remove J2CL Asserts.$assert.
class	J2clChecksPass Performs correctness checks which are specific to J2CL-generated patterns.
class	J2clUtilGetDefineRewriterPass A normalization pass to re-write Util.$getDefine calls to make them work in compiled mode.
class	JsMessageVisitor Traverses across parsed tree and finds I18N messages.
class	LateEs6ToEs3Converter Converts ES6 code to valid ES5 code.
class	MarkUntranspilableFeaturesAsRemoved Looks for presence of features that are not supported for transpilation (mostly new RegExp features).
static class	NodeTraversal.AbstractModuleCallback Abstract callback that knows when goog.provide, goog.module, and ES modules are entered and exited.
static class	NodeTraversal.AbstractPostOrderCallback Abstract callback to visit all nodes in postorder.
static class	NodeTraversal.AbstractPreOrderCallback Abstract callback to visit all nodes in preorder.
static class	NodeTraversal.AbstractScopedCallback Abstract scoped callback to visit all nodes in postorder.
static class	NodeTraversal.AbstractShallowCallback Abstract callback to visit all nodes but not traverse into function bodies.
static class	NodeTraversal.AbstractShallowStatementCallback Abstract callback to visit all structure and statement nodes but doesn't traverse into functions or expressions.
static class	NodeTraversal.ExternsSkippingCallback Abstract callback to visit all non-extern nodes in postorder.
class	ProcessCommonJSModules Rewrites a CommonJS module http://wiki.commonjs.org/wiki/Modules/1.1.1 into a form that can be safely concatenated.
class	ReferenceCollectingCallback A helper class for passes that want to access all information about where a variable is referenced and declared at once and then make a decision as to how it should be handled, possibly inlining, reordering, or generating warnings.
class	RewriteAsyncFunctions Converts async functions to valid ES6 generator functions code.
class	RewriteAsyncIteration Converts async generator functions into a function returning a new $jscomp.AsyncGenWrapper around the original block and awaits/yields converted to yields of ActionRecords.
class	RewriteJsonToModule Rewrites a JSON file to be a module export.
class	RewriteObjectSpread Converts object spread to valid ES2017 code.
class	TypeCheck Checks the types of JS expressions against any declared type information.

Methods in com.google.javascript.jscomp with parameters of type NodeTraversal.Callback

Modifier and Type	Method and Description
static void	NodeTraversal.traverse(AbstractCompiler compiler, Node root, NodeTraversal.Callback cb) Traverses using the SyntacticScopeCreator
static void	NodeTraversal.traverseRoots(AbstractCompiler compiler, NodeTraversal.Callback cb, Node externs, Node root)
static void	NodeTraversal.traverseScopeRoots(AbstractCompiler compiler, Node root, java.util.List<Node> scopeNodes, NodeTraversal.Callback cb, boolean traverseNested) Traverses *just* the contents of provided scope nodes (and optionally scopes nested within them) but will fall back on traversing the entire AST from root if a null scope nodes list is provided.
static void	NodeTraversal.traverseScopeRoots(AbstractCompiler compiler, Node root, java.util.List<Node> scopeNodes, NodeTraversal.Callback cb, NodeTraversal.ChangeScopeRootCallback changeCallback, boolean traverseNested) Traverses *just* the contents of provided scope nodes (and optionally scopes nested within them) but will fall back on traversing the entire AST from root if a null scope nodes list is provided.

Constructors in com.google.javascript.jscomp with parameters of type NodeTraversal.Callback

Constructor and Description
NodeTraversal(AbstractCompiler compiler, NodeTraversal.Callback cb, com.google.javascript.jscomp.ScopeCreator scopeCreator) Creates a node traversal using the specified callback interface and the scope creator.

Uses of NodeTraversal.Callback in com.google.javascript.jscomp.lint

Classes in com.google.javascript.jscomp.lint that implement NodeTraversal.Callback

Modifier and Type	Class and Description
class	CheckArrayWithGoogObject Lints against passing arrays to goog.object methods with the intention of iterating over them as though with a for-in loop, which is discouraged with arrays.
class	CheckConstantCaseNames This pass looks for module-level variable declarations that use CONSTANT_CASE, according to the Google style guide, and verifies that they are also annotated @const or are in a const clause.
class	CheckDuplicateCase Check for duplicate case labels in a switch statement Eg: switch (foo) { case 1: case 1: } This is normally an indication of a programmer error.
class	CheckEmptyStatements Check for empty statements (i.e.
class	CheckEnums Check for duplicate values in enums.
class	CheckEs6ModuleFileStructure Checks the file structure of ES6 modules.
class	CheckEs6Modules Miscellaneous checks for style in ES6 modules.
class	CheckInterfaces Checks for errors related to interfaces.
class	CheckJSDocStyle Checks for various JSDoc-related style issues, such as function definitions without JsDoc, params with no corresponding @param annotation, coding conventions not being respected, etc.
class	CheckMissingSemicolon Check for statements that should end with a semicolon according to the Google style guide.
class	CheckNoMutatedEs6Exports Checks that exports of ES6 modules are not mutated outside of module initialization.
class	CheckNullabilityModifiers Checks for missing or redundant nullability modifiers.
class	CheckNullableReturn Checks when a function is annotated as returning {SomeType} (nullable) but actually always returns {!SomeType}, i.e.
class	CheckPrimitiveAsObject Check for explicit creation of the object equivalents of primitive types (e.g.
class	CheckPrototypeProperties Checks when a mutable property is assigned to a prototype.
class	CheckProvidesSorted Checks that goog.provide statements are sorted and deduplicated, exposing the necessary information to produce a suggested fix.
class	CheckRequiresSorted Checks that Closure import statements (goog.require, goog.requireType, and goog.forwardDeclare) are sorted and deduplicated, exposing the necessary information to produce a suggested fix.
class	CheckUnusedLabels Check for unused labels blocks.
class	CheckUselessBlocks Check for useless blocks.

Uses of NodeTraversal.Callback in com.google.javascript.jscomp.modules

Classes in com.google.javascript.jscomp.modules that implement NodeTraversal.Callback

Modifier and Type	Class and Description
class	EsModuleProcessor Collects information related to and resolves ES imports and exports.