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Function: getFilterCallbackFunctionArgument()

getFilterCallbackFunctionArgument(expression: Readonly<TSESTree.CallExpression>): Readonly<ArrowFunctionExpression | FunctionExpression> | null

Defined in: _internal/filter-callback.ts:51

Extract the first callback argument from a direct .filter(...) call.

Parametersโ€‹

expressionโ€‹

Readonly<TSESTree.CallExpression>

Candidate call expression to inspect.

Returnsโ€‹

Readonly<ArrowFunctionExpression | FunctionExpression> | null

Callback expression when the call is a supported .filter(...) invocation and the first argument is an arrow/function expression; otherwise null.