private marshallSet()

in packages/dynamodb-auto-marshaller/src/Marshaller.ts [333:352]

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

    private marshallSet(arg: Set<any>): AttributeValue|undefined {
        switch (getSetType(arg[Symbol.iterator]().next().value)) {
            case 'binary':
                return this.collectSet(arg, isBinaryEmpty, 'BS', 'binary');
            case 'number':
                return this.collectSet(arg, isNumberEmpty, 'NS', 'number', stringifyNumber);
            case 'string':
                return this.collectSet(arg, isStringEmpty, 'SS', 'string');
            case 'unknown':
                if (this.onInvalid === 'throw') {
                    throw new Error('Sets must be composed of strings,' +
                        ' binary values, or numbers');
                }
                return undefined;
            case 'undefined':
                if (this.onEmpty === 'nullify') {
                    return {NULL: true};
                }
        }
    }