@geogirafe/lib-geoportal/tools/state/brain/serialize.js

GeoGirafe is a flexible application to build online geoportals.

// SPDX-License-Identifier: Apache-2.0
import { isBrainSerializable, serializeSymbol } from './decorators.js';
export default class BrainSerializer {
    registry = new Map();
    addSerializer(type, serializerData) {
        this.registry.set(type, serializerData);
    }
    getSerializer(obj) {
        for (const [type, data] of this.registry.entries()) {
            if (obj instanceof type) {
                return data;
            }
        }
        return undefined;
    }
    serialize(state) {
        const serializedState = {};
        const keys = Object.keys(state).filter((key) => !key.startsWith('_') && (state[serializeSymbol]?.includes(key) || isBrainSerializable(state[key])));
        for (const key of keys) {
            const serializer = this.getSerializer(state[key]);
            if (serializer) {
                console.debug(`Serializing ${key} with custom serializer`);
                serializedState[key] = serializer.brainSerialize(state[key]);
            }
            else {
                console.debug(`Serializing ${key} with default serializer`);
                serializedState[key] = JSON.stringify(state[key]);
            }
        }
        return JSON.stringify(serializedState);
    }
    deserialize(stringSerializedState, state) {
        const serializedState = JSON.parse(stringSerializedState);
        const keys = Object.keys(state).filter((key) => !key.startsWith('_') && (state[serializeSymbol]?.includes(key) || isBrainSerializable(state[key])));
        for (const key of keys) {
            if (Object.hasOwn(serializedState, key)) {
                const serializer = this.getSerializer(state[key]);
                if (serializer) {
                    console.debug(`Deserializing ${key} with custom serializer`);
                    serializer.brainDeserialize(serializedState[key], key);
                }
                else {
                    console.debug(`Deserializing ${key} with default serializer`);
                    state[key] = JSON.parse(serializedState[key]);
                }
            }
        }
    }
}