@decaf-ts/db-decorators/lib/esm/model/utils.js

Agnostic database decorators and repository

import { getAllPropertyDecoratorsRecursive, Repository, SerializationError, } from "../repository";
import { Model } from "@decaf-ts/decorator-validation";
import { DBKeys } from "./constants";
export function isTransient(model) {
    return !!(Reflect.getMetadata(Repository.key(DBKeys.TRANSIENT), model.constructor) ||
        Reflect.getMetadata(Repository.key(DBKeys.TRANSIENT), Model.get(model.constructor.name)));
}
export function modelToTransient(model) {
    if (!isTransient(model))
        return { model: model };
    const decs = getAllPropertyDecoratorsRecursive(model, undefined, Repository.key(DBKeys.TRANSIENT));
    const result = Object.entries(decs).reduce((accum, [k, val]) => {
        const transient = val.find((el) => el.key === "");
        if (transient) {
            accum.transient = accum.transient || {};
            try {
                accum.transient[k] = model[k];
            }
            catch (e) {
                throw new SerializationError(`Failed to serialize transient property ${k}: ${e}`);
            }
        }
        else {
            accum.model = accum.model || {};
            accum.model[k] = model[k];
        }
        return accum;
    }, {});
    result.model = Model.build(result.model, model.constructor.name);
    return result;
}
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