You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
731 B
35 lines
731 B
'use strict';
|
|
|
|
const isDefiningProjection = require('./isDefiningProjection');
|
|
|
|
/*!
|
|
* Determines if `path` is excluded by `projection`
|
|
*
|
|
* @param {Object} projection
|
|
* @param {string} path
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
module.exports = function isPathExcluded(projection, path) {
|
|
if (path === '_id') {
|
|
return projection._id === 0;
|
|
}
|
|
|
|
const paths = Object.keys(projection);
|
|
let type = null;
|
|
|
|
for (const _path of paths) {
|
|
if (isDefiningProjection(projection[_path])) {
|
|
type = projection[path] === 1 ? 'inclusive' : 'exclusive';
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (type === 'inclusive') {
|
|
return projection[path] !== 1;
|
|
}
|
|
if (type === 'exclusive') {
|
|
return projection[path] === 0;
|
|
}
|
|
return false;
|
|
};
|
|
|