Class Gen

javascript/packages/core/lib/gen/index.ts:45–151

CodegenRegistry.registerExternal(CompatibleScalarConverter);

export class Gen {
  static external = CodegenRegistry.getExternal();

  constructor(private typeResolver: TypeResolver, private regOptions: { [key: string]: any } = {}) {

  }

  private generate(typeInfo: TypeInfo) {
    const InnerGeneratorClass = CodegenRegistry.get(typeInfo.typeId);
    if (!InnerGeneratorClass) {
      throw new Error(`${typeInfo.typeId} generator not exists`);
    }
    const scope = new Scope();
    const generator = new InnerGeneratorClass(typeInfo, new CodecBuilder(scope, this.typeResolver), scope);

    const funcString = generator.toSerializer();
    if (this.typeResolver.config && this.typeResolver.config.hooks) {
      const afterCodeGenerated = this.typeResolver.config.hooks.afterCodeGenerated;
      if (typeof afterCodeGenerated === "function") {
        return new Function(afterCodeGenerated(funcString));
      }
    }
    return new Function(funcString);
  }

  private register(typeInfo: TypeInfo, serializer?: Serializer) {
    this.typeResolver.registerSerializer(typeInfo, serializer);
  }

  private isRegistered(typeInfo: TypeInfo) {
    return !!this.typeResolver.getSerializerByTypeInfo(typeInfo);
  }

  private isFullyGenerated(typeInfo: TypeInfo) {
    const ser = this.typeResolver.getSerializerByTypeInfo(typeInfo);
    return ser && ser._initialized;
  }

  private traversalContainer(typeInfo: TypeInfo) {
    if (TypeId.userDefinedType(typeInfo.typeId)) {
      if (this.isFullyGenerated(typeInfo)) {
        return;
      }
      const options = (typeInfo).options;
      const unionType = typeInfo.typeId === TypeId.UNION
        || typeInfo.typeId === TypeId.TYPED_UNION
        || typeInfo.typeId === TypeId.NAMED_UNION;
      if (unionType && options?.cases && Object.keys(options.cases).length > 0) {
        this.register(typeInfo);
        Object.values(options.cases).forEach((x) => {
          this.traversalContainer(x);
        });
        const func = this.generate(typeInfo);
        this.register(typeInfo, func()(this.typeResolver, Gen.external, typeInfo, this.regOptions));
        return;
      } else if (options?.props && Object.keys(options.props).length > 0) {
        this.register(typeInfo);
        Object.values(options.props).forEach((x) => {