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| 'use strict';
|
| /*!
| * ignore
| */
|
| module.exports = function isDefiningProjection(val) {
| if (val == null) {
| // `undefined` or `null` become exclusive projections
| return true;
| }
| if (typeof val === 'object') {
| // Only cases where a value does **not** define whether the whole projection
| // is inclusive or exclusive are `$meta` and `$slice`.
| return !('$meta' in val) && !('$slice' in val);
| }
| return true;
| };
|
|
