Deno.compile panic again, easy to reproduce

[sdhoward]

Hi, thanks for working on a previous issue #6747. I found another case that you may want to have a look at.

Again, I know the code being submitted to the compiler is invalid; however, I want Deno to tell me that instead of panicing.

Thanks!

Deno version:

deno 1.2.1
v8 8.5.216
typescript 3.9.2

Example code:

Deno.compile("main.js", { "main.js": `
export class Foo {
  constructor() {
    console.log("foo");
  }
  export get() {
    console.log("bar");
  }
}
`});

Attempted compile with:

$ deno run --unstable foo.js

thread 'main' panicked at 'Can't downcast ErrBox(SwcDiagnosticBuffer { diagnostics: ["Unexpected token Some(Word(get)) at memory://main.js:6:9"] }) to OpError', cli/op_error.rs:423:9

Also, if you have a recommendation for a third party module that might be able to pre-parse code to filter out cases like these I'd be happy to hear about it.

[bartlomieju]

@sdhoward thanks for reporting that, it should be an easy fix, I'll try to get it released in v1.2.2 in the next days.