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| 'use strict';
|
| module.exports = function sanitizeProjection(projection) {
| if (projection == null) {
| return;
| }
|
| const keys = Object.keys(projection);
| for (let i = 0; i < keys.length; ++i) {
| if (typeof projection[keys[i]] === 'string') {
| projection[keys[i]] = 1;
| }
| }
| };
|
|
