fix(transpile): don't report diagnostics from bundled assets in declaration emit

@@ -225,8 +225,24 @@ impl TypeChecker {       None,     )?; +    // Declaration emit type-checks with `TypeCheckMode::All`, which (unlike+    // `deno check`'s default `Local` mode) doesn't scope semantic diagnostics+    // to the user's own files. That widens the report to every file in the+    // program, including deno's bundled `asset:///` declarations. Those aren't+    // self-contained under a user-supplied `compilerOptions.lib`: with+    // `"lib": ["dom", "deno.ns"]`, `lib.deno.ns.d.ts`'s own `import("node:net")`+    // and `NodeJS.Timeout` references have nothing to resolve against, and+    // adding `"node"` instead collides the bundled node types with the web+    // ones. Either way the user gets errors in a file they can't edit.+    // `deno check` never surfaces these, so neither should declaration emit.+    let diagnostics = response.diagnostics.filter(|d| {+      !d.file_name+        .as_deref()+        .is_some_and(|f| f.starts_with("asset:///"))+    });+     Ok(EmitDeclarationsResult {-      diagnostics: response.diagnostics,+      diagnostics,       emitted_files: response.emitted_files,     })   }

@@ -0,0 +1,20 @@+{+  "tempDir": true,+  "tests": {+    // A user-supplied `compilerOptions.lib` leaves deno's own bundled+    // `asset:///` declarations with unresolved references (e.g.+    // `lib.deno.ns.d.ts` referencing `node:net` and `NodeJS.Timeout`).+    // Those aren't user-editable and `deno check` doesn't report them, so+    // declaration emit must not fail on them either.+    "declaration_with_custom_lib": {+      "args": "transpile main.ts -o out.js --declaration",+      "output": "declaration_emit.out"+    },+    // ...but real errors in the user's own code must still be reported.+    "declaration_reports_user_errors": {+      "args": "transpile type_error.ts -o type_error_out.js --declaration",+      "output": "type_error.out",+      "exitCode": 1+    }+  }+}

@@ -0,0 +1,3 @@+[WILDCARD]deno transpile is experimental and subject to changes+Emit [WILDCARD]out.js+Emit [WILDCARD]main.d.ts

@@ -0,0 +1,5 @@+{+  "compilerOptions": {+    "lib": ["dom", "dom.iterable", "deno.ns"]+  }+}

@@ -0,0 +1 @@+export const x = 1;

@@ -0,0 +1,7 @@+[WILDCARD]deno transpile is experimental and subject to changes+Emit [WILDCARD]type_error_out.js+error: Type checking failed:+TS2322 [ERROR]: Type 'string' is not assignable to type 'number'.+export const x: number = "not a number";+             ^+    at file:///[WILDCARD]/type_error.ts:1:14

@@ -0,0 +1 @@+export const x: number = "not a number";