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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 6x 34x 32x 32x 2x 6x 16x 1x 16x 39x 290x 32x 39x 39x 39x 39x 39x 39x 2x 6x | /**
* A mongoose schema plugin which applies the following in the toJSON transform call:
* - removes __v, createdAt, updatedAt, and any path that has private: true
* - replaces _id with id
*/
const deleteAtPath = (obj, path, index) => {
if (index === path.length - 1) {
delete obj[path[index]];
return;
}
deleteAtPath(obj[path[index]], path, index + 1);
};
const toJSON = (schema) => {
let transform;
if (schema.options.toJSON && schema.options.toJSON.transform) {
transform = schema.options.toJSON.transform;
}
schema.options.toJSON = Object.assign(schema.options.toJSON || {}, {
transform(doc, ret, options) {
Object.keys(schema.paths).forEach((path) => {
if (schema.paths[path].options && schema.paths[path].options.private) {
deleteAtPath(ret, path.split('.'), 0);
}
});
ret.id = ret._id.toString();
delete ret._id;
delete ret.__v;
delete ret.createdAt;
delete ret.updatedAt;
if (transform) {
return transform(doc, ret, options);
}
},
});
};
module.exports = toJSON;
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