[Bug]: docs.source.format doesn't accept "typescript" as a parser

[emily-haynes]

Describe the bug

When setting docs.source.format: "typescript", the following error gets thrown:

Couldn't resolve parser "typescript". Parsers must be explicitly added to the standalone bundle.

From the discussion here, my understanding is that this is due to the prettierTypescript plugin not being loaded.

As a workaround, we're using transformSource (soon to be updated to transform) to pull in the parser manually:

import prettier from "prettier/standalone";
import prettierTypescript from "prettier/parser-typescript";

export const parameters = {
  docs: {
    source: {
      transformSource: (src: string) => 
        prettier.format(src, {
          parser: "typescript",
          plugins: [prettierTypescript]
        }),
      },
    },
};

To Reproduce

No response

System

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Additional context

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