Is there a way to retrieve the transpiled TypeScript code from the monaco editor? Additionally, is it feasible to utilize the TypeScript language service? I attempted the following:
monaco.languages.typescript.getTypeScriptWorker();
However, it only returns Promise<any> and I am unsure how to proceed with this information!
Through extensive research, it has come to light that the TypeScript LanguageService interface is somewhat exposed through a worker proxy object. This could be attributed to the service being in a separate thread where messages are sent to it, hence the necessity of using promises.
To simplify things, I carefully examined the functions exposed on the returned object and formulated this definition; hopefully, it proves beneficial to someone:
namespace ts {
export interface IMonacoTypeScriptServiceProxy {
// List of exposed functions
}
}
The usage of this interface is demonstrated below:
// Sample code showcasing how to use the interface
The function
getEmitOutput(uri: string, emitOnlyDtsFiles?: boolean)uri represents the filename, converted from a monaco.Uri to a string (in monaco terminology, a model refers to a single file in the editor). Therefore:
// Example of invoking the getEmitOutput function
Calling this function will return not only the transpiled JavaScript but also any other available files! Enjoy the benefits.
Exciting updates have arrived in version 0.20.0. Now, the methods getTypeScriptWorker and getJavaScriptWorker provide valid types:
export const getTypeScriptWorker: () => Promise<(...uris: Uri[]) => Promise<TypeScriptWorker>>;
export const getJavaScriptWorker: () => Promise<(...uris: Uri[]) => Promise<TypeScriptWorker>>;
Furthermore, there has been a modification in the promise parameter.
Thanks to this update, maintaining a separate worker (proxy) type is no longer necessary.
We have been primarily discussing the acquisition of the JS/TS worker proxy up until this point, however, there exists a simpler solution to the original query regarding obtaining transpiled code:
import ts from "typescript";
By using this snippet of code, I can transmit TS code from the editor to a web worker for autonomous execution.
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