Function: isGlobalUndefinedIdentifier()

isGlobalUndefinedIdentifier<MessageIds, Options>(context: Readonly<TSESLint.RuleContext<MessageIds, Options>>, expression: Readonly<Expression>): expression is Identifier

Defined in: _internal/typed-rule.ts:320

Determine whether an expression references the global undefined binding (not a shadowed user-defined symbol).

Type Parameters

MessageIds

MessageIds extends string

Options

Options extends readonly unknown[]

Parameters

context

Readonly<TSESLint.RuleContext<MessageIds, Options>>

Rule context used for scope resolution.

expression

Readonly<Expression>

Expression to inspect.

Returns

expression is Identifier

true when the expression is an Identifier named undefined that resolves to the global binding.