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Function: isGlobalUndefinedIdentifier()

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

Defined in: _internal/typed-rule.ts:328

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

Type Parametersโ€‹

MessageIdsโ€‹

MessageIds extends string

Optionsโ€‹

Options extends readonly unknown[]

Parametersโ€‹

contextโ€‹

Readonly<TSESLint.RuleContext<MessageIds, Options>>

Rule context used for scope resolution.

expressionโ€‹

Readonly<Expression>

Expression to inspect.

Returnsโ€‹

expression is Identifier

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