feat(telemetry): report swc target triple to telemetry

packages/next/build/swc/index.js

@@ -76,6 +76,9 @@ async function loadWasm() {
         parse(src, options) {
           return Promise.resolve(bindings.parse(src.toString(), options))
         },
+        getTargetTriple() {
+          return undefined
+        },
       }
       return wasmBindings
     } catch (e) {
@@ -187,6 +190,8 @@ function loadNative() {
       parse(src, options) {
         return bindings.parse(src, toBuffer(options ?? {}))
       },
+
+      getTargetTriple: bindings.getTargetTriple,
     }
     return nativeBindings
   }
@@ -235,8 +240,14 @@ export async function parse(src, options) {
 }
 
 export function getBinaryMetadata() {
-  let bindings = loadBindingsSync()
+  let bindings
+  try {
+    bindings = loadNative()
+  } catch (e) {
+    // Suppress exceptions, this fn allows to fail to load native bindings
+  }
+
   return {
-    target: bindings.getTargetTriple(),
+    target: bindings?.getTargetTriple?.(),
   }
 }

packages/next/build/webpack-config.ts

@@ -43,7 +43,11 @@ import { WellKnownErrorsPlugin } from './webpack/plugins/wellknown-errors-plugin
 import { regexLikeCss } from './webpack/config/blocks/css'
 import { CopyFilePlugin } from './webpack/plugins/copy-file-plugin'
 import { FlightManifestPlugin } from './webpack/plugins/flight-manifest-plugin'
-import { TelemetryPlugin } from './webpack/plugins/telemetry-plugin'
+import {
+  Feature,
+  SWC_TARGET_TRIPLE,
+  TelemetryPlugin,
+} from './webpack/plugins/telemetry-plugin'
 import type { Span } from '../trace'
 import { getRawPageExtensions } from './utils'
 import browserslist from 'next/dist/compiled/browserslist'
@@ -406,6 +410,15 @@ export default async function getBaseWebpackConfig(
   const distDir = path.join(dir, config.distDir)
 
   let useSWCLoader = !babelConfigFile
+  let SWCBinaryTarget: [Feature, boolean] | undefined = undefined
+  if (useSWCLoader) {
+    // TODO: we do not collect wasm target yet
+    const binaryTarget = require('./swc')?.getBinaryMetadata?.()
+      ?.target as SWC_TARGET_TRIPLE
+    SWCBinaryTarget = binaryTarget
+      ? [`swc/target/${binaryTarget}` as const, true]
+      : undefined
+  }
 
   if (!loggedSwcDisabled && !useSWCLoader && babelConfigFile) {
     Log.info(
@@ -1492,23 +1505,26 @@ export default async function getBaseWebpackConfig(
       !dev &&
         !isServer &&
         new TelemetryPlugin(
-          new Map([
-            ['swcLoader', useSWCLoader],
-            ['swcMinify', config.swcMinify],
-            ['swcRelay', !!config.compiler?.relay],
-            ['swcStyledComponents', !!config.compiler?.styledComponents],
-            [
-              'swcReactRemoveProperties',
-              !!config.compiler?.reactRemoveProperties,
-            ],
+          new Map(
             [
-              'swcExperimentalDecorators',
-              !!jsConfig?.compilerOptions?.experimentalDecorators,
-            ],
-            ['swcRemoveConsole', !!config.compiler?.removeConsole],
-            ['swcImportSource', !!jsConfig?.compilerOptions?.jsxImportSource],
-            ['swcEmotion', !!config.experimental.emotion],
-          ])
+              ['swcLoader', useSWCLoader],
+              ['swcMinify', config.swcMinify],
+              ['swcRelay', !!config.compiler?.relay],
+              ['swcStyledComponents', !!config.compiler?.styledComponents],
+              [
+                'swcReactRemoveProperties',
+                !!config.compiler?.reactRemoveProperties,
+              ],
+              [
+                'swcExperimentalDecorators',
+                !!jsConfig?.compilerOptions?.experimentalDecorators,
+              ],
+              ['swcRemoveConsole', !!config.compiler?.removeConsole],
+              ['swcImportSource', !!jsConfig?.compilerOptions?.jsxImportSource],
+              ['swcEmotion', !!config.experimental.emotion],
+              SWCBinaryTarget,
+            ].filter<[Feature, boolean]>(Boolean as any)
+          )
         ),
     ].filter(Boolean as any as ExcludesFalse),
   }

packages/next/build/webpack/plugins/telemetry-plugin.ts

@@ -1,6 +1,24 @@
 import type { webpack5 as webpack } from 'next/dist/compiled/webpack/webpack'
 
-type Feature =
+/**
+ * List of target triples next-swc native binary supports.
+ */
+export type SWC_TARGET_TRIPLE =
+  | 'x86_64-apple-darwin'
+  | 'x86_64-unknown-linux-gnu'
+  | 'x86_64-pc-windows-msvc'
+  | 'i686-pc-windows-msvc'
+  | 'aarch64-unknown-linux-gnu'
+  | 'armv7-unknown-linux-gnueabihf'
+  | 'aarch64-apple-darwin'
+  | 'aarch64-linux-android'
+  | 'arm-linux-androideabi'
+  | 'x86_64-unknown-freebsd'
+  | 'x86_64-unknown-linux-musl'
+  | 'aarch64-unknown-linux-musl'
+  | 'aarch64-pc-windows-msvc'
+
+export type Feature =
   | 'next/image'
   | 'next/script'
   | 'next/dynamic'
@@ -13,6 +31,7 @@ type Feature =
   | 'swcRemoveConsole'
   | 'swcImportSource'
   | 'swcEmotion'
+  | `swc/target/${SWC_TARGET_TRIPLE}`
 
 interface FeatureUsage {
   featureName: Feature
@@ -52,6 +71,19 @@ const BUILD_FEATURES: Array<Feature> = [
   'swcRemoveConsole',
   'swcImportSource',
   'swcEmotion',
+  'swc/target/x86_64-apple-darwin',
+  'swc/target/x86_64-unknown-linux-gnu',
+  'swc/target/x86_64-pc-windows-msvc',
+  'swc/target/i686-pc-windows-msvc',
+  'swc/target/aarch64-unknown-linux-gnu',
+  'swc/target/armv7-unknown-linux-gnueabihf',
+  'swc/target/aarch64-apple-darwin',
+  'swc/target/aarch64-linux-android',
+  'swc/target/arm-linux-androideabi',
+  'swc/target/x86_64-unknown-freebsd',
+  'swc/target/x86_64-unknown-linux-musl',
+  'swc/target/aarch64-unknown-linux-musl',
+  'swc/target/aarch64-pc-windows-msvc',
 ]
 
 /**

packages/next/telemetry/events/build.ts

@@ -1,4 +1,5 @@
 import { TelemetryPlugin } from '../../build/webpack/plugins/telemetry-plugin'
+import type { SWC_TARGET_TRIPLE } from '../../build/webpack/plugins/telemetry-plugin'
 
 const REGEXP_DIRECTORY_DUNDER =
   /[\\/]__[^\\/]+(?<![\\/]__(?:tests|mocks))__[\\/]/i
@@ -144,6 +145,7 @@ export type EventBuildFeatureUsage = {
     | 'swcRemoveConsole'
     | 'swcImportSource'
     | 'swcEmotion'
+    | `swc/target/${SWC_TARGET_TRIPLE}`
     | 'build-lint'
   invocationCount: number
 }

test/integration/telemetry/test/index.test.js

@@ -632,6 +632,19 @@ describe('Telemetry CLI', () => {
     regex.exec(stderr).pop() // swcRemoveConsole
     regex.exec(stderr).pop() // swcImportSource
     regex.exec(stderr).pop() // swcEmotion
+    regex.exec(stderr).pop() // swc/targets/*
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
+    regex.exec(stderr).pop()
     const image = regex.exec(stderr).pop()
     expect(image).toContain(`"featureName": "next/image"`)
     expect(image).toContain(`"invocationCount": 1`)