fix(cli): Redirect messages to stderr

swc-project · Aug 30, 2024 · 5dc8893 · 5dc8893
1 parent d096fdc
commit 5dc8893
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Showing 2 changed files with 19 additions and 11 deletions.
diff --git a/packages/cli/src/swc/dir.ts b/packages/cli/src/swc/dir.ts
@@ -1,6 +1,8 @@
 import { existsSync, promises } from "fs";
 import { dirname, resolve } from "path";
 import Piscina from "piscina";
+import { stderr } from "process";
+import { format } from "util";
 import { CompileStatus } from "./constants";
 import { CliOptions } from "./options";
 import { exists, getDest } from "./util";
@@ -196,13 +198,14 @@ async function initialCompilation(cliOptions: CliOptions, swcOptions: Options) {
         if (copied) {
             message += `copied ${copied} ${copied > 1 ? "files" : "file"}`;
         }
-        message += ` with swc (%dms)`;
+        message += ` with swc (%dms)\n`;
+        message = format(message, (end[1] / 1000000).toFixed(2));
 
-        console.log(message, (end[1] / 1000000).toFixed(2));
+        stderr.write(message);
     }
 
     if (failed) {
-        console.log(
+        console.error(
             `Failed to compile ${failed} ${
                 failed !== 1 ? "files" : "file"
             } with swc.`
@@ -276,9 +279,11 @@ async function watchCompilation(cliOptions: CliOptions, swcOptions: Options) {
                     });
                     if (!quiet && result === CompileStatus.Compiled) {
                         const end = process.hrtime(start);
-                        console.log(
-                            `Successfully compiled ${filename} with swc (%dms)`,
-                            (end[1] / 1000000).toFixed(2)
+                        stderr.write(
+                            format(
+                                `Successfully compiled ${filename} with swc (%dms)\n`,
+                                (end[1] / 1000000).toFixed(2)
+                            )
                         );
                     }
                 } catch (err: any) {
@@ -294,9 +299,11 @@ async function watchCompilation(cliOptions: CliOptions, swcOptions: Options) {
                     );
                     if (!quiet && result === CompileStatus.Copied) {
                         const end = process.hrtime(start);
-                        console.log(
-                            `Successfully copied ${filename} with swc (%dms)`,
-                            (end[1] / 1000000).toFixed(2)
+                        stderr.write(
+                            format(
+                                `Successfully copied ${filename} with swc (%dms)\n`,
+                                (end[1] / 1000000).toFixed(2)
+                            )
                         );
                     }
                 } catch (err: any) {

diff --git a/packages/cli/src/swc/util.ts b/packages/cli/src/swc/util.ts
@@ -2,6 +2,7 @@ import * as swc from "@swc/core";
 import slash from "slash";
 import { mkdirSync, writeFileSync, promises } from "fs";
 import { dirname, join, relative } from "path";
+import { stderr } from "process";
 
 export async function exists(path: string): Promise<boolean> {
     let pathExists = true;
@@ -113,10 +114,10 @@ export function assertCompilationResult<T>(
     }
     if (!quiet && compiled + copied > 0) {
         const copyResult = copied === 0 ? " " : ` (copied ${copied}) `;
-        console.info(
+        stderr.write(
             `Successfully compiled ${compiled} ${
                 compiled !== 1 ? "files" : "file"
-            }${copyResult}with swc.`
+            }${copyResult}with swc.\n`
         );
     }