@devgrid/messagepack/dist/esm/serializer.js

Extandable MessagePack serializer

import { SmartBuffer } from '@devgrid/smartbuffer';
import Encoder from './encoder';
import Decoder from './decoder';
export default class Serializer {
    constructor(initialCapacity = 64) {
        this.initialCapacity = initialCapacity;
        this.encodingTypes = new Map();
        this.decodingTypes = new Map();
        this.encoder = new Encoder(this.encodingTypes);
        this.decoder = new Decoder(this.decodingTypes);
    }
    registerEncoder(type, check, encode) {
        this.encodingTypes.set(type, { check, encode });
        return this;
    }
    registerDecoder(type, decode) {
        this.decodingTypes.set(type, decode);
        return this;
    }
    register(type, constructor, encode, decode) {
        if (type < 0 || type > 127) {
            throw new RangeError(`Bad type: 0 <= ${type} <= 127`);
        }
        this.registerEncoder(type, (obj) => obj instanceof constructor, (obj) => {
            const extBuf = new SmartBuffer(this.initialCapacity, true);
            encode(obj, extBuf);
            return extBuf;
        });
        this.registerDecoder(type, decode);
        return this;
    }
    encode(x, buf) {
        return this.encoder.encode(x, buf);
    }
    decode(buf) {
        return this.decoder.decode(buf);
    }
}
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