refactor(tsc): split TS compiler into multiple files, use ESM (denola…

…nd#27784)

This is a pure refactor, the `99_main_compiler.js` file
was getting out of hand, being over 1500 lines and serving
3 distinct purposes:
- snapshotting
- type-checking
- running LSP

The file was split into:
- 97_ts_host.js
- 98_lsp.js
- 99_main_compiler.js

cli/build.rs

@@ -122,10 +122,16 @@ mod ts {
 
   deno_core::extension!(deno_tsc,
     ops = [op_build_info, op_is_node_file, op_load, op_script_version],
+    esm_entry_point = "ext:deno_tsc/99_main_compiler.js",
+    esm = [
+      dir "tsc",
+      "97_ts_host.js",
+      "98_lsp.js",
+      "99_main_compiler.js",
+    ],
     js = [
       dir "tsc",
       "00_typescript.js",
-      "99_main_compiler.js",
     ],
     options = {
       op_crate_libs: HashMap<&'static str, PathBuf>,