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

Packages that use NodeTraversal.Callback

Package	Description
com.google.javascript.jscomp
com.google.javascript.jscomp.instrumentation
com.google.javascript.jscomp.lint
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	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	Description
class	CheckConformance	Provides a framework for checking code against a set of user configured conformance rules.
class	CheckMissingRequires	A pass to detect references to fully qualified Closure namespaces.
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	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	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	Es7RewriteExponentialOperator	Replaces the ES7 `**` and `**=` operators to calls to `Math.pow`.
class	FindModuleDependencies	Find and update any direct dependencies of an input.
class	ForbidDynamicImportUsage	Warns at any usage of Dynamic Import expressions that they are unable to be transpiled.
class	ImplicitNullabilityCheck	Warn about types in JSDoc that are implicitly nullable.
class	InjectTranspilationRuntimeLibraries	Injects JS library code that may be needed by the transpiled form of the input source code.
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 a global script, goog.provide file, goog.module, goog.loadModule, ES module or CommonJS module is entered or 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	RewriteNullishCoalesceOperator	Replaces the ES2020 `??` operator with conditional (?:).
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	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	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.instrumentation

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

Modifier and Type	Class	Description
class	BranchCoverageInstrumentationCallback	Instrument branch coverage for javascript.

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	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	CheckDefaultExportOfGoogModule	Check that the goog.module does not use a default export.
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	Checks the following: Whether there are duplicate values in enums.
class	CheckEs6ModuleFileStructure	Checks the file structure of ES6 modules.
class	CheckEs6Modules	Miscellaneous checks for style in ES6 modules.
class	CheckExtraRequires	Walks the AST looking for usages of qualified names, and 'goog.require's of those names.
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	CheckNestedNames	Checks if code has a module-level static property assignment (`X.Y`) inside a `goog.module`.
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.
class	CheckVar	Check for `var` (prefer `const` or `let`).

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