Option "errors: true" shows empty/blank page when document has errors

[ivangsa]

Description

As reported in VSCode AsyncAPI Preview: https://github.com/asyncapi/vs-asyncapi-preview/issues/200

After upgrading to latest: "@asyncapi/react-component": "^1.2.7"

It shows a blank page when document contains validation errors

This are the configuration options used:

[ashmit-coder]

hey @ivangsa The issue seems to occur due to unhandled undefined of the document object

try {
      const { document } = await asyncapiParser.parse(content, parserOptions);
      return { asyncapi: document };
    } catch (err) {
      return this.handleError(err as ErrorObject);
    }

Here the document object turns out undefined and hence no error is thrown.

try {
      const parseResult = await asyncapiParser.parse(content, parserOptions);

      let error:({title:string} ) = {title:""};
      if(parseResult.document === undefined) {

        parseResult.diagnostics.forEach(diagnostic => {
          if(diagnostic.code.toString().includes("error")) {
            error.title = diagnostic.message.toString();
          }
        });

        if(error.title === "") {
          error.title = "Unexpected error while parsing the document.";
        }

        throw error;
      }

      return { asyncapi: parseResult.document };
    } catch (err) {
      return this.handleError(err as ErrorObject);
    }

This is one way we could resolve this issue.

I will draft a PR for the same and we can communicate over it.

[ashmit-coder]

Hey @derberg if you may help guide through this it will be great.

[ashmit-coder]

This maybe an upstream error as the parser does not throw an error as of the latest version but rather an undefined document object witth a error message in the diganostic object

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