Extending schema functionality

[danyhiol]

I have a main schema where my entire app is picking fields from. Now the problem is that I want the picked fields to have the same order as defined in picked. const MainsSchema = new SimpleSchema({ name: String, description: String, age: SimpleSchema.integer, school: String, });

const customSchame = MainsSchema.pick('age', 'name', 'school'); // I want the schema to keep this order: 'age', 'name', 'school' but this is not possible as pick first get values from the schema. So my aim is to do the opposite. Use pick from the array of fields itself. So how can I achieve this? My first idea was to write a function that does exactly that and pass it to SimpleSchema. But I can't find a way to do it.

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[danyhiol]

I solved this by extending the schema and implementing the functionality.

class costomSchema extends SimpleSchema {
    myCustomFunction() { ... };
}

or SimpleSchema.prototype.myCustomFunction = function() { ... }