Class TypeScript::TypeExpr

A type expression, that is, an AST node that is part of a TypeScript type annotation.

This class includes only explicit type annotations - types inferred by the TypeScript compiler are not type expressions.

Direct supertypes

Indirect supertypes

Known direct subtypes

Predicates

getType

Gets the static type expressed by this type annotation.

isAmbient

Holds if this is part of an ambient declaration or type annotation in a TypeScript file.

isAny

Holds if this is the any type.

isBigInt

Holds if this is the bigint type.

isBoolean

Holds if this is the boolean type. Does not hold for the (rarely used) Boolean type.

isBooleany

Holds if this is the boolean or Boolean type.

isNever

Holds if this is the never type.

isNull

Holds if this is the null type.

isNumber

Holds if this is the number type. Does not hold for the (rarely used) Number type.

isNumbery

Holds if this is the number or Numbers type.

isObjectKeyword

Holds if this is the object type.

isRawFunction

Holds if this is the Function type.

isString

Holds if this is the string type. Does not hold for the (rarely used) String type.

isStringy

Holds if this is the string or String type.

isSymbol

Holds if this is the symbol type.

isThis

Holds if this is the this type.

isUndefined

Holds if this is the undefined type.

isUniqueSymbol

Holds if this is the unique symbol type.

isUnknownKeyword

Holds if this is the unknown type.

isVoid

Holds if this is the void type.

stripParens

Gets this type expression, with any surrounding parentheses removed.

toString

Gets a textual representation of this element.

Inherited predicates

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
getAToken

Gets a token belonging to this element.

from ASTNode
getChild

Gets the ith child node of this node.

from ASTNode
getChildExpr

Gets the ith child expression of this node.

from ASTNode
getChildStmt

Gets the ith child statement of this node.

from ASTNode
getChildTypeExpr

Gets the ith child type expression of this node.

from ASTNode
getContainer

Gets the statement container (function or toplevel) in which this expression or type appears.

from ExprOrType
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
getEnclosingStmt

Gets the statement in which this expression or type appears.

from ExprOrType
getEndLine

Gets the line on which this element ends.

from Locatable
getFile

Gets the file this program element comes from.

from Locatable
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
getLastToken

Gets the last token belonging to this element.

from ASTNode
getLocation

Gets this element’s location.

from ASTNode
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
getParent

Gets the parent node of this node, if any.

from ASTNode
getStartLine

Gets the line on which this element starts.

from Locatable
getTopLevel

Gets the toplevel syntactic unit to which this element belongs.

from ASTNode
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
inExternsFile

Holds if this syntactic entity belongs to an externs file.

from ASTNode