CodeQL library for JavaScript/TypeScript

codeql/javascript-all 2.3.1-dev (changelog, source)

Module SyntacticConstants

Provides classes for expressions that evaluate to constant values according to a bottom-up syntactic analysis.

Import path

import javascript

Predicates

isNull	Holds if `c` evaluates to `null`.
isNullOrUndefined	Holds if `c` evaluates to `null` or `undefined`.
isUndefined	Holds if `c` evaluates to `undefined`.

Classes

BinaryConstant	A binary operation on syntactic constants.
ConditionalConstant	A conditional expression on syntactic constants.
InfinityConstant	A use of the global variable `Infinity`.
NaNConstant	A use of the global variable `NaN`.
NullConstant	A literal null expression.
PrimitiveLiteralConstant	A literal primitive expression.
SyntacticConstant	An expression that evaluates to a constant value according to a bottom-up syntactic analysis.
UnaryConstant	A unary operation on a syntactic constant.
UndefinedConstant	A use of the global variable `undefined` or `void e`.
WrappedConstant	An expression that wraps the syntactic constant it evaluates to.