perf(es/typescript): Add a benchmark for fast TS strip (#9205)

Author: kdy1

Cargo.lock

@@ -20,4 +20,10 @@ swc_ecma_parser = { version = "0.146.9", path = "../swc_ecma_parser" }
 swc_ecma_visit  = { version = "0.101.0", path = "../swc_ecma_visit" }
 
 [dev-dependencies]
-testing = { version = "0.36.0", path = "../testing" }
+codspeed-criterion-compat = { workspace = true }
+criterion                 = { workspace = true }
+testing                   = { version = "0.36.0", path = "../testing" }
+
+[[bench]]
+harness = false
+name    = "assets"

crates/swc_fast_ts_strip/Cargo.toml

@@ -0,0 +1,31 @@
+use codspeed_criterion_compat::{black_box, criterion_group, criterion_main, Bencher, Criterion};
+use swc_fast_ts_strip::{operate, Options};
+
+static SOURCE: &str = include_str!("assets/test.ts");
+
+fn fast_ts(c: &mut Criterion) {
+    c.bench_function("typescript/fast-strip", fast_typescript);
+}
+fn fast_typescript(b: &mut Bencher) {
+    b.iter(|| {
+        ::testing::run_test(false, |cm, handler| {
+            black_box(operate(
+                &cm,
+                handler,
+                black_box(SOURCE.to_string()),
+                Options {
+                    module: None,
+                    filename: None,
+                    parser: Default::default(),
+                },
+            ))
+            .unwrap();
+
+            Ok(())
+        })
+        .unwrap();
+    });
+}
+
+criterion_group!(benches, fast_ts);
+criterion_main!(benches);

crates/swc_fast_ts_strip/benches/assets.rs

@@ -0,0 +1,198 @@
+let x /**/: number/**/ = 1!;
+//        ^^^^^^^^        ^
+
+[] as [] satisfies [];
+// ^^^^^^^^^^^^^^^^^^
+
+(<string>"test");
+//^^^^^^^^
+
+class C /**/<T>/*︎*/ extends Array/**/<T> /*︎*/ implements I, J/*︎*/ {
+  //          ^^^^^                      ^^^     ^^^^^^^^^^^^^^
+  readonly field/**/: string/**/ = "";
+  //  ^^^^^^^^          ^^^^^^^^
+  static accessor f1;
+  private f2/**/!/**/: string/*︎*/;
+  //  ^^^^^^^       ^    ^^^^^^^^
+  declare f3: any;
+  //  ^^^^^^^^^^^^^^^^ declared property
+
+  public method/**/<T>/*︎*/(/*︎*/this: T,/**/ a? /*︎*/: string/**/)/*︎*/: void/*︎*/ {
+    //  ^^^^^^           ^^^         ^^^^^^^^      ^     ^^^^^^^^         ^^^^^^
+  }
+
+  [key: string]: any;
+  //  ^^^^^^^^^^^^^^^^^^^ index signature
+
+  get g(): any { return 1 };
+  //         ^^^^^
+  set g(v: any) { };
+  //         ^^^^^
+}
+
+class D extends C<any> {
+  //               ^^^^^
+  override method(...args): any { }
+  //  ^^^^^^^^                ^^^^^
+}
+
+abstract class A {
+  // ^^^^^^^^
+  abstract a;
+  //  ^^^^^^^^^^^ abstract property
+  b;
+  abstract method();
+  //  ^^^^^^^^^^^^^^^^^^ abstract method
+}
+
+{
+  let m = new (Map!)<string, number>([]!);
+  //              ^ ^^^^^^^^^^^^^^^^   ^
+}
+
+{
+  let a = (foo!)<any>;
+  //          ^ ^^^^^
+}
+
+{
+  let a = (foo!)<any>([]!);
+  //          ^ ^^^^^   ^
+}
+
+{
+  let f = function (p: any) { }
+  //                ^^^^^
+}
+
+{
+  function overload(): number;
+  //  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overload
+  function overload(): any { }
+  //                     ^^^^^
+}
+
+/** @doc */
+interface I { }
+// ^^^^^^^^^^^ interface
+
+void 0;
+
+/** @doc */
+type J = I;
+// ^^^^^^^^ type alias
+
+/**/import type T from "node:assert";
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `import type`
+
+/**/export type { I };
+//  ^^^^^^^^^^^^^^^^^^ `export type`
+
+/**/export type * from "node:buffer";
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `export type *`
+
+import { type AssertPredicate/**/, deepEqual } from "node:assert";
+//      ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+export {
+  C,
+  type T,
+  //  ^^^^^^
+}
+
+/**/export type T2 = 1;
+//  ^^^^^^^^^^^^^^^^^^^
+
+function foo<T>(p: any = (): any => 1): any {
+  //          ^^^  ^^^^^     ^^^^^      ^^^^^
+  return p as any;
+  //           ^^^^^^
+}
+
+/**/declare enum E1 { }
+//  ^^^^^^^^^^^^^^^^^^ `declare enum`
+
+void 0;
+
+/**/declare namespace N { }
+//  ^^^^^^^^^^^^^^^^^^^^^^ `declare namespace`
+
+void 0;
+
+/**/declare module M { }
+//  ^^^^^^^^^^^^^^^^^^^ `declare module`
+
+void 0;
+
+/**/declare let a;
+//  ^^^^^^^^^^^^^^ `declare let`
+
+void 0;
+
+/**/declare class DeclaredClass { }
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `declare class`
+
+void 0;
+
+/**/declare function DeclaredFunction(): void;
+//  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `declare function`
+
+void 0;
+
+// `=>` spanning line cases:
+{
+  ()
+    : any =>
+    1
+};
+{
+  ():
+    any =>
+    1
+};
+{
+  (
+  )
+    : any =>
+    1
+};
+{
+  (
+  ): (
+      | any
+    ) =>
+    1
+};
+{
+  (
+  ):
+    NonNullable<any
+    > =>
+    1
+};
+{
+  (a, b, c: D = [] as any/*comment-1*/)/*comment-2*/:
+    any =>
+    1
+};
+
+
+():
+  any =>
+  1;
+
+{
+  (a, b, c: D = [] as any/*comment-1*/)/*comment-2*/:
+        /*comment-3*/any/*comment-4*/ =>
+    1
+};
+
+type 任意の型 = any;
+
+():
+  任意の型 =>
+  1;
+
+()/*comment-1*/:/*comment-2*/
+/*comment-3*/任意の型/*comment-4*/ =>
+  1;