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

Transform JSON strings or plain objects into JS class instances.

export class DataViewSerializer {
    serialize(x, serializerContext) {
        if (x === undefined) {
            return serializerContext.serializedDefaultValue;
        }
        if (x === null) {
            return serializerContext.serializedNullValue;
        }
        if (x instanceof DataView) {
            const arrayBufferView = new Uint16Array(x.buffer);
            const charCodeArray = Array.from(arrayBufferView);
            return charCodeArray.map(c => String.fromCharCode(c)).join('');
        }
        serializerContext.logger.error('DataViewSerializer', `${serializerContext.jsonPath}: cannot serialize value as data view.`, x);
        return undefined;
    }
    deserialize(x, serializerContext) {
        if (x === undefined) {
            return serializerContext.deserializedDefaultValue;
        }
        if (x === null) {
            return serializerContext.deserializedNullValue;
        }
        if (typeof x === 'string') {
            const arrayBuffer = new ArrayBuffer(x.length * 2);
            const arrayBufferView = new Uint16Array(arrayBuffer);
            for (let i = 0; i < x.length; i++) {
                arrayBufferView[i] = x.charCodeAt(i);
            }
            return new DataView(arrayBuffer);
        }
        serializerContext.logger.error('DataViewSerializer', `${serializerContext.jsonPath}: cannot deserialize value as data view.`, x);
        return undefined;
    }
}
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