Improve codegen

[Boshen]

• https://github.com/oxc-project/oxc/blob/main/tasks/coverage/codegen_typescript.snap
• Figure out precedence of ts types so X | Y don't print as ((X) | (Y))
• new (<any>A()); and all new expressions bracketed differently
• copy printNextIndentAsSpace logic https://github.com/evanw/esbuild/blob/fc37c2fa9de2ad77476a6d4a8f1516196b90187e/internal/js_printer/js_printer.go#L290
• for (;;) ;
• --x; x++; { foo: !xx }
• const {d:e = ''} = {}
• Improve API separate out sourcemap construction
  Some really difficult cases :-/
• port esbuild codegen test cases and fix all cases

[Dunqing]

Need to figure out these cases

- export type UnionToIntersection<U> = (U extends any ? (k: U) => void : never) extends (k: infer I) => void ? I : never;
+ export type UnionToIntersection<U> = U extends (any) ? (k: U) => void : never extends ((k: infer I) => void) ? I : never;

- export type LooseRequired<T> = {
-     [P in keyof (T & Required<T>)]: T[P];
- };
+ export type LooseRequired<T> = { [P in keyof ((T) & (Required<T>))] : T[P]};

[Boshen]

It seems like test setup is incorrect for noStrict, e.g.

• language/expressions/object/proto-permitted-dup-shorthand.js
• language/eval-code
• annexB/language/eval-code

Need to format computed class / object exactly written

• -computed-property-name-

The last case is how astral strings should be generated

• language/statements/for-of/string-astral-truncated.js

And the famous one where (fn) = function() {}; is different from fn = function() {}; for fn.name.

• language/expressions/assignment/fn-name-lhs-cover.js