@opra/common/document/decorators/api-field-decorator.js

Opra common package

import { omitUndefined } from '@jsopen/objects';
import { OpraSchema } from '../../schema/index.js';
import { DATATYPE_METADATA } from '../constants.js';
export function ApiFieldDecoratorFactory(options) {
    const decoratorChain = [];
    /**
     *
     */
    const decorator = function (target, propertyKey) {
        if (typeof propertyKey !== 'string')
            throw new TypeError(`Symbol properties can't be used as a field`);
        const metadata = Reflect.getOwnMetadata(DATATYPE_METADATA, target.constructor) ||
            {};
        metadata.kind = OpraSchema.ComplexType.Kind;
        metadata.fields = metadata.fields || {};
        const designType = Reflect.getMetadata('design:type', target, propertyKey);
        const elemMeta = (metadata.fields[propertyKey] = {
            ...options,
            designType,
        });
        if (designType === Array) {
            elemMeta.isArray = true;
        }
        else
            elemMeta.type = elemMeta.type || designType;
        Reflect.defineMetadata(DATATYPE_METADATA, metadata, target.constructor);
        for (const fn of decoratorChain)
            fn(elemMeta);
    };
    /**
     *
     */
    decorator.Override = (scopes, opts) => {
        decoratorChain.push((meta) => {
            meta.override = meta.override || [];
            meta.override.push(omitUndefined({
                ...opts,
                scopePattern: Array.isArray(scopes) ? scopes : [scopes],
                type: undefined,
                isArray: undefined,
                isNestedEntity: undefined,
            }));
        });
        return decorator;
    };
    return decorator;
}