func()

in types.go [367:419]

• 50 lines of code
• 18 McCabe index (conditional complexity)

func (c cfgSub) reify(opts *options) (interface{}, error) {
	parentFields := opts.activeFields
	defer func() { opts.activeFields = parentFields }()

	fields := c.c.fields.dict()
	arr := c.c.fields.array()

	switch {
	case len(fields) == 0 && len(arr) == 0 && arr != nil:
		// preserve empty arrays
		return []interface{}{}, nil
	case len(fields) == 0 && len(arr) == 0:
		return nil, nil
	case len(fields) > 0 && len(arr) == 0:
		m := make(map[string]interface{})
		for k, v := range fields {
			opts.activeFields = newFieldSet(parentFields)
			var err error
			if m[k], err = v.reify(opts); err != nil {
				return nil, err
			}
		}
		return m, nil
	case len(fields) == 0 && len(arr) > 0:
		m := make([]interface{}, len(arr))
		for i, v := range arr {
			opts.activeFields = newFieldSet(parentFields)
			var err error
			if m[i], err = v.reify(opts); err != nil {
				return nil, err
			}
		}
		return m, nil
	default:
		m := make(map[string]interface{})
		for k, v := range fields {
			opts.activeFields = newFieldSet(parentFields)
			var err error
			if m[k], err = v.reify(opts); err != nil {
				return nil, err
			}
		}
		for i, v := range arr {
			opts.activeFields = newFieldSet(parentFields)
			var err error
			m[fmt.Sprintf("%d", i)], err = v.reify(opts)
			if err != nil {
				return nil, err
			}
		}
		return m, nil
	}
}