Extract next-swc Rust code into its own package

.eslintignore

@@ -26,6 +26,6 @@ packages/create-next-app/templates/**
 test/integration/eslint/**
 test/development/basic/legacy-decorators/**/*
 test-timings.json
-packages/next/build/swc/crates/**
+packages/next-swc/crates/**
 bench/nested-deps/pages/**
 bench/nested-deps/components/**

.github/actions/next-stats-action/src/index.js

@@ -118,6 +118,11 @@ if (!allowedActions.has(actionInfo.actionName) && !actionInfo.isRelease) {
         // in case of noisy environment slowing down initial repo build
         await exec(buildCommand, false, { timeout: 5 * 60 * 1000 })
       }
+      await fs.copy(
+        path.join(__dirname, '../native'),
+        path.join(dir, 'packages/next-swc/native')
+      )
+      // TODO: remove after next stable release (current v12.0.4)
       await fs.copy(
         path.join(__dirname, '../native'),
         path.join(dir, 'packages/next/native')

.github/actions/next-stats-action/src/prepare/repo-setup.js

@@ -98,13 +98,24 @@ module.exports = (actionInfo) => {
           pkgData.dependencies[pkg] = packedPkgPath
         }
         // make sure native binaries are included in local linking
-        if (pkg === 'next') {
+        if (pkg === '@next/swc') {
+          if (!pkgData.files) {
+            pkgData.files = []
+          }
           pkgData.files.push('native')
           console.log(
             'using swc binaries: ',
             await exec(`ls ${path.join(path.dirname(pkgDataPath), 'native')}`)
           )
         }
+        if (pkg === 'next') {
+          if (pkgDatas.get('@next/swc')) {
+            pkgData.dependencies['@next/swc'] =
+              pkgDatas.get('@next/swc').packedPkgPath
+          } else {
+            pkgData.files.push('native')
+          }
+        }
         await fs.writeFile(
           pkgDataPath,
           JSON.stringify(pkgData, null, 2),