src/fields/ObjectField.ts


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import { RefField } from './RefField';
import { FieldChanged, Parent, Copy, ToScriptString, ToString, ToJavascriptString } from './FieldSymbols';
import { ScriptingGlobals } from '../client/util/ScriptingGlobals';
import { Field } from './Doc';

export abstract class ObjectField {
    // prettier-ignore
    public [FieldChanged]?: (diff?: { op: '$addToSet' | '$remFromSet' | '$set'; 
                             items: Field[] | undefined; 
                             length: number | undefined; 
                             hint?: any }, serverOp?: any) => void;
    public [Parent]?: RefField | ObjectField;
    abstract [Copy](): ObjectField;

    abstract [ToJavascriptString](): string;
    abstract [ToScriptString](): string;
    abstract [ToString](): string;
}

export namespace ObjectField {
    export function MakeCopy<T extends ObjectField>(field: T) {
        return field?.[Copy]();
    }
}

ScriptingGlobals.add(ObjectField);