Class ArrowFunctionExpr

An arrow function expression.

Examples:

var greet =
  () => console.log("Hi!");  // arrow function expression

Import path

import javascript

Direct supertypes

Indirect supertypes

Predicates

getAPrimaryQlClass	Gets the primary QL class for the Locatable.
getEnclosingContainer	Gets the enclosing function or toplevel of this function.
getEnclosingStmt	Gets the statement in which this expression appears.
getThisBinder	Gets the function whose `this` binding a `this` expression in this function refers to, which is the nearest enclosing non-arrow function.
isImpure	Holds if this expression is impure, that is, its evaluation could have side effects.

Inherited predicates

accessesGlobal	Holds if this expression accesses the global variable `g`, either directly or through the `window` object.	from Expr
analyze	Gets type inference results for this element.	from ValueNode
declaresArguments	Holds if this function declares a parameter or local variable named `arguments`.	from Function
describe	Gets a description of this function.	from Function
describeControlFlowNode	For internal use.	from ControlFlowNode
flow	Gets the data flow node associated with this program element.	from ValueNode
getABodyStmt	Gets a statement in the body of this function.	from Function
getAChild	Gets a child node of this node.	from AstNode
getAChildExpr	Gets a child expression of this node.	from AstNode
getAChildStmt	Gets a child statement of this node.	from AstNode
getAParameter	Gets a parameter of this function.	from Function
getAPredecessor	Gets a node preceding this node in the CFG.	from ControlFlowNode
getAReturnStmt	Gets a return statement in the body of this function, if any.	from Function
getAReturnedExpr	Gets an expression that could be returned by this function, if any.	from Function
getAStmt	Gets a statement that belongs to this container.	from StmtContainer
getASuccessor	Gets a node succeeding this node in the CFG.	from ControlFlowNode
getAToken	Gets a token belonging to this element.	from AstNode
getATypeParameter	Gets any type parameter declared on this function or type.	from TypeParameterized
getArgumentsVariable	Gets the `arguments` variable of this function, if any.	from Function
getBasicBlock	Gets the basic block this node belongs to.	from ControlFlowNode
getBody	Gets the body of this function.	from Function
getBodyStmt	Gets the `i`th statement in the body of this function.	from Function
getCallSignature	Gets the call signature of this function, as determined by the TypeScript compiler, if any.	from Function
getCanonicalName	Gets the canonical name for this function, as determined by the TypeScript compiler.	from Function
getChild	Gets the `i`th child node of this node.	from AstNode
getChildExpr	Gets the `i`th child expression of this node.	from AstNode
getChildStmt	Gets the `i`th child statement of this node.	from AstNode
getChildTypeExpr	Gets the `i`th child type expression of this node.	from AstNode
getContainer	Gets the function or toplevel to which this node belongs.	from NodeInStmtContainer
getCyclomaticComplexity	Gets the cyclomatic complexity of this function.	from Function
getDocumentation	Gets the JSDoc comment associated with this expression or type or its parent statement, if any.	from ExprOrType
getEnclosingFunction	Gets the function in which this expression or type appears, if any.	from ExprOrType
getEndLine	Gets the line on which this element ends.	from Locatable
getEntry	Gets the (unique) entry node of the control flow graph for this toplevel or function.	from StmtContainer
getEntryBB	Gets the entry basic block of this function, that is, the basic block containing the entry node of its CFG.	from StmtContainer
getExceptionTarget	Gets the data-flow node where exceptions thrown by this expression will propagate if this expression causes an exception to be thrown.	from Expr
getExit	Gets the (unique) exit node of the control flow graph for this toplevel or function.	from StmtContainer
getFile	Gets the file this program element comes from.	from AstNode
getFirstControlFlowNode	Gets the first control flow node belonging to this syntactic entity.	from AstNode
getFirstToken	Gets the first token belonging to this element.	from AstNode
getFunctionBoundary	Gets the innermost enclosing function or top-level, possibly this container itself if it is a function or top-level.	from StmtContainer
getIdentifier	Gets the identifier specifying the name of this function, if any.	from Function
getIntValue	Gets the constant integer value this expression evaluates to, if any.	from Expr
getKind	Gets the kind of this expression, which is an integer value representing the expression’s node type.	from Expr
getLastToken	Gets the last token belonging to this element.	from AstNode
getLocation	Gets this element’s location.	from Locatable
getName	Gets the name of this function if it has one, or a name inferred from its context.	from Function
getNumBodyStmt	Gets the number of statements in the body of this function.	from Function
getNumChild	Gets the number of child nodes of this node.	from AstNode
getNumChildExpr	Gets the number of child expressions of this node.	from AstNode
getNumChildStmt	Gets the number of child statements of this node.	from AstNode
getNumLines	Gets the number of lines covered by this element.	from Locatable
getNumParameter	Gets the number of parameters declared by this element.	from Parameterized
getNumTypeParameter	Gets the number of type parameters declared on this function or type.	from TypeParameterized
getNumberOfLines	Gets the number of lines in this function.	from Function
getNumberOfLinesOfCode	Gets the number of lines containing code in this function.	from Function
getNumberOfLinesOfComments	Gets the number of lines containing comments in this function.	from Function
getParameter	Gets the `i`th parameter of this function.	from Function
getParameterByName	Gets the parameter named `name` of this function, if any.	from Function
getParameterVariable	Gets a variable of the given name that is a parameter of this element.	from Parameterized
getParent	Gets the parent node of this node, if any.	from AstNode
getParentExpr	Gets the expression that is the parent of this expression in the AST, if any.	from Expr
getPrimaryQlClasses	Gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs.	from Locatable
getRestParameter	Gets the `...rest` parameter, if any.	from Function
getReturnTypeAnnotation	Gets the return type annotation on this function, if any.	from Function
getScope	Gets the scope induced by this toplevel or function, if any.	from StmtContainer
getStart	Gets the (unique) CFG node at which execution of this toplevel or function begins.	from StmtContainer
getStartBB	Gets the start basic block of this function, that is, the basic block containing the start node of its CFG.	from StmtContainer
getStartLine	Gets the line on which this element starts.	from Locatable
getStringValue	Gets the constant string value this expression evaluates to, if any.	from Expr
getThisBindingContainer	Gets the function or top-level whose `this` binding a `this` expression in this function refers to, which is the nearest enclosing non-arrow function or top-level.	from Function
getThisTypeAnnotation	Gets the type annotation for the special `this` parameter, if it is present.	from Function
getTopLevel	Gets the toplevel syntactic unit to which this element belongs.	from AstNode
getType	Gets the static type of this expression, as determined by the TypeScript type system.	from Expr
getTypeParameter	Gets the `n`th type parameter declared on this function.	from Function
getUnderlyingReference	Gets the innermost reference that this expression evaluates to, if any.	from ExprOrType
getUnderlyingValue	Gets the innermost expression that this expression evaluates to.	from ExprOrType
getVariable	Gets the variable holding this function.	from Function
hasBody	Holds if this function has a body.	from Function
hasMappedArgumentsVariable	Holds if this function has a mapped `arguments` variable whose indices are aliased with the function’s parameters.	from Function
hasRestParameter	Holds if the last parameter of this function is a rest parameter.	from Function
hasTrailingComma	Holds if the parameter list of this function has a trailing comma.	from Function
hasTypeParameters	Holds if this function or type declares any type parameters.	from TypeParameterized
inExternsFile	Holds if this syntactic entity belongs to an externs file.	from AstNode
inNullSensitiveContext	Holds if the syntactic context that the expression appears in relies on the expression being non-null/non-undefined.	from Expr
isAFinalNode	Holds if this is a final node, that is, a CFG node where execution of a toplevel or function terminates.	from ControlFlowNode
isAFinalNodeOfContainer	Holds if this is a final node of `container`, that is, a CFG node where execution of that toplevel or function terminates.	from ControlFlowNode
isAbstract	Holds if this function is part of an abstract class member.	from Function
isAmbient	Holds if this is part of an ambient declaration or type annotation in a TypeScript file.	from AstNode
isAsync	Holds if this function is an asynchronous function.	from Function
isAsyncOrGenerator	Holds if this function is asynchronous or a generator.	from Function
isBranch	Holds if this is a node with more than one successor.	from ControlFlowNode
isGenerator	Holds if this function is a generator function.	from Function
isJoin	Holds if this is a node with more than one predecessor.	from ControlFlowNode
isNonConstructible	Holds if this function cannot be invoked using `new` because it is of the given `kind`.	from Function
isPure	Holds if this expression is pure, that is, its evaluation is guaranteed to be side-effect free.	from Expr
isStart	Holds if this is a start node, that is, the CFG node where execution of a toplevel or function begins.	from ControlFlowNode
isStrict	Holds if the code in this container is executed in ECMAScript strict mode.	from Function
isUnreachable	Holds if this node is unreachable, that is, it has no predecessors in the CFG. Entry nodes are always considered reachable.	from ControlFlowNode
mayHaveBooleanValue	Holds if this expression may evaluate to `b`.	from Expr
mayHaveStringValue	Holds if this expression may evaluate to `s`.	from Expr
mayReferToParameter	Holds if this expression may refer to the initial value of parameter `p`.	from Expr
stripParens	Gets this expression, with any surrounding parentheses removed.	from Expr
toString	Gets a textual representation of this element.	from Expr
usesArgumentsObject	Holds if the body of this function refers to the function’s `arguments` variable.	from Function