perf(css/minifier): Setup benchmark (#5800)

**Description:**

I created a simple benchmark for the css minifier. It's full benchmark, which also profiles parser and codegen

.github/workflows/stale.yml

@@ -1,9 +1,9 @@
-name: 'Stale issue handler'
+name: "Stale issue handler"
 on:
   workflow_dispatch:
   schedule:
     # This runs every day 20 minutes before midnight: https://crontab.guru/#40_23_*_*_*
-    - cron: '40 23 * * *'
+    - cron: "40 23 * * *"
 
 jobs:
   stale:
@@ -12,14 +12,14 @@ jobs:
     steps:
       - uses: actions/stale@v4
         id: stale
-        name: 'Close stale issues with no reproduction'
+        name: "Close stale issues with no reproduction"
         with:
           repo-token: ${{ secrets.GH_TOKEN }}
-          only-labels: 'Need more info'
-          close-issue-message: 'This issue has been automatically closed because it received no activity for a month and had no reproduction to investigate. If you think this was closed by accident, please leave a comment. If you are running into a similar issue, please open a new issue with a reproduction. Thank you.'
+          only-labels: "Need more info"
+          close-issue-message: "This issue has been automatically closed because it received no activity for a month and had no reproduction to investigate. If you think this was closed by accident, please leave a comment. If you are running into a similar issue, please open a new issue with a reproduction. Thank you."
           days-before-issue-close: 1
-          days-before-issue-stale: 30
+          days-before-issue-stale: 5
           days-before-pr-close: -1
           days-before-pr-stale: -1
-          exempt-issue-labels: 'blocked,must,should,keep'
-          operations-per-run: 300 # 1 operation per 100 issues, the rest is to label/comment/close
+          exempt-issue-labels: "blocked,must,should,keep"
+          operations-per-run: 300 # 1 operation per 100 issues, the rest is to label/comment/close

Cargo.lock

@@ -3231,6 +3231,7 @@ dependencies = [
 name = "swc_css_minifier"
 version = "0.86.0"
 dependencies = [
+ "criterion",
  "serde",
  "swc_atoms",
  "swc_common",
@@ -3239,6 +3240,7 @@ dependencies = [
  "swc_css_parser",
  "swc_css_utils",
  "swc_css_visit",
+ "swc_node_base",
  "testing",
 ]
 

crates/swc_css_minifier/Cargo.toml

@@ -21,6 +21,12 @@ swc_css_utils = { version = "0.108.0", path = "../swc_css_utils/" }
 swc_css_visit = { version = "0.110.0", path = "../swc_css_visit" }
 
 [dev-dependencies]
+criterion       = "0.3"
 swc_css_codegen = { version = "0.121.0", path = "../swc_css_codegen" }
 swc_css_parser  = { version = "0.120.0", path = "../swc_css_parser" }
+swc_node_base   = { version = "0.5.0", path = "../swc_node_base" }
 testing         = { version = "0.30.0", path = "../testing" }
+
+[[bench]]
+harness = false
+name    = "full"

crates/swc_css_minifier/benches/full.rs

@@ -0,0 +1,78 @@
+extern crate swc_node_base;
+
+use std::{fs::read_to_string, path::Path};
+
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use swc_common::{errors::HANDLER, FileName};
+use swc_css_ast::Stylesheet;
+use swc_css_codegen::{
+    writer::basic::{BasicCssWriter, BasicCssWriterConfig},
+    Emit,
+};
+use swc_css_minifier::minify;
+use swc_css_parser::{parse_file, parser::ParserConfig};
+
+pub fn bench_files(c: &mut Criterion) {
+    let mut group = c.benchmark_group("es/minify/libraries");
+    group.sample_size(10);
+
+    let mut bench_file = |name: &str, path: &Path| {
+        let src = read_to_string(path).unwrap();
+
+        group.bench_function(name, |b| {
+            b.iter(|| {
+                // We benchmark full time, including time for creating cm, handler
+                run(&src)
+            })
+        });
+    };
+
+    bench_file(
+        "bootstrap",
+        Path::new("../../node_modules/bootstrap/dist/css/bootstrap.css"),
+    );
+}
+
+criterion_group!(files, bench_files);
+criterion_main!(files);
+
+fn run(src: &str) {
+    testing::run_test2(false, |cm, handler| {
+        HANDLER.set(&handler, || {
+            let fm = cm.new_source_file(FileName::Anon, src.into());
+
+            let mut errors = vec![];
+            let mut ss: Stylesheet = parse_file(
+                &fm,
+                ParserConfig {
+                    ..Default::default()
+                },
+                &mut errors,
+            )
+            .unwrap();
+
+            minify(&mut ss, Default::default());
+
+            let mut buf = String::new();
+            {
+                let wr = BasicCssWriter::new(
+                    &mut buf,
+                    None,
+                    BasicCssWriterConfig {
+                        ..Default::default()
+                    },
+                );
+                let mut generator = swc_css_codegen::CodeGenerator::new(
+                    wr,
+                    swc_css_codegen::CodegenConfig { minify: true },
+                );
+
+                generator.emit(&ss).unwrap();
+            }
+
+            black_box(buf);
+            Ok(())
+        })
+    })
+    .unwrap();
+}

crates/swc_css_minifier/scripts/instrument/bench-full.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+#
+# This instruments a full benchmark suite.
+#
+# Usage:
+#
+#   ./scripts/instrument/bench.sh typescript
+
+
+export RUST_LOG=off
+cargo profile instruments -t time --bench full --release -- $@

package.json

@@ -109,6 +109,7 @@
         "axios": "^0.21.1",
         "babel-plugin-transform-node-env-inline": "^0.4.3",
         "benchmark": "^2.1.4",
+        "bootstrap": "^5.2.1",
         "class-validator": "^0.13.1",
         "core-js": "^2.6.11",
         "core-js-compat": "^3.21.1",
@@ -177,4 +178,4 @@
         "postinstall.js",
         "bindings/binding_core_wasm/pkg/binding_core_wasm.d.ts"
     ]
-}
+}

yarn.lock

@@ -2353,6 +2353,7 @@ __metadata:
     axios: ^0.21.1
     babel-plugin-transform-node-env-inline: ^0.4.3
     benchmark: ^2.1.4
+    bootstrap: ^5.2.1
     class-validator: ^0.13.1
     core-js: ^2.6.11
     core-js-compat: ^3.21.1
@@ -2992,6 +2993,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"bootstrap@npm:^5.2.1":
+  version: 5.2.1
+  resolution: "bootstrap@npm:5.2.1"
+  peerDependencies:
+    "@popperjs/core": ^2.11.6
+  checksum: f7d733ae5d27177d813adb2ac2158f08069a558d8f664b3db8857aba0ab07423d83b4276dba6123dde52309e707bb06ec13e040fb905eaa293c53453110bb802
+  languageName: node
+  linkType: hard
+
 "brace-expansion@npm:^1.1.7":
   version: 1.1.11
   resolution: "brace-expansion@npm:1.1.11"