checkAndAddRedundantFunction()

in legacy/javascript/src/refactor.js [135:161]

• 20 lines of code
• 8 McCabe index (conditional complexity)

    checkAndAddRedundantFunction(func, name, redundantFunctions) {
        if (func.body === null || func.body.body == null) {
            return false;
        }

        const returnIndex = func.body.body.length - 1;

        if (returnIndex < 0)
            // If returnIndex == -1 when function body is empty
            return false;
        else {
            var returnNode = func.body.body[returnIndex];

            if (
                returnNode.type === 'ReturnStatement' &&
                returnNode.argument !== null &&
                this.isPiranhaLiteral(returnNode.argument) &&
                typeof returnNode.argument.value === 'boolean'
            ) {
                redundantFunctions[name] = returnNode.argument.value;
            }

            // TODO introduce a warning here since the assumption of return statement being at the end is violated

            return true;
        }
    }