pdspicer

let mongoose = require('mongoose');
let {ObjectId, Array: SchemaArray} = mongoose.SchemaTypes;

// method for doing the path extension
function addIdsMethod (schema, pathname) {
    let path = schema.paths[pathname],
        defaultValue = path.defaultValue,
        cast = SchemaArray.prototype.cast;
    
    // convenience method for extending the result of an arbitrary method, applied to "this"