@dipscope/type-manager/dist/es2015/serializers/string-serializer.js

Transform JSON strings or plain objects into JS class instances.

export class StringSerializer {
    serialize(x, serializerContext) {
        if (x === undefined) {
            return serializerContext.serializedDefaultValue;
        }
        if (x === null) {
            return serializerContext.serializedNullValue;
        }
        if (typeof x === 'string') {
            return x;
        }
        if (serializerContext.useImplicitConversion) {
            return this.convert(x, serializerContext);
        }
        serializerContext.logger.error('StringSerializer', `${serializerContext.jsonPath}: cannot serialize value as string.`, x);
        return undefined;
    }
    deserialize(x, serializerContext) {
        if (x === undefined) {
            return serializerContext.deserializedDefaultValue;
        }
        if (x === null) {
            return serializerContext.deserializedNullValue;
        }
        if (typeof x === 'string') {
            return x;
        }
        if (serializerContext.useImplicitConversion) {
            return this.convert(x, serializerContext);
        }
        serializerContext.logger.error('StringSerializer', `${serializerContext.jsonPath}: cannot deserialize value as string.`, x);
        return undefined;
    }
    convert(x, serializerContext) {
        if (typeof x === 'number' || typeof x === 'boolean') {
            return String(x);
        }
        if (x instanceof Date) {
            return x.toISOString();
        }
        if (typeof x === 'object') {
            return JSON.stringify(x);
        }
        serializerContext.logger.error('StringSerializer', `${serializerContext.jsonPath}: cannot convert value to string.`, x);
        return undefined;
    }
}
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