fix(warning): stringify args in warn handler (vuejs#10414)

edison1105 · lynxlangya · commit 8cef55bbb1a1 · 2024-05-30T10:00:23.000+08:00
close vuejs#10409
diff --git a/packages/runtime-core/src/warning.ts b/packages/runtime-core/src/warning.ts
@@ -45,7 +45,7 @@ export function warn(msg: string, ...args: any[]) {
       instance,
       ErrorCodes.APP_WARN_HANDLER,
       [
-        msg + args.join(''),
+        msg + args.map(a => a.toString?.() ?? JSON.stringify(a)).join(''),
         instance && instance.proxy,
         trace
           .map(

Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,7 @@ export function warn(msg: string, ...args: any[]) {`
`45`	`45`	`instance,`
`46`	`46`	`ErrorCodes.APP_WARN_HANDLER,`
`47`	`47`	`[`
`48`		`- msg + args.join(''),`
	`48`	`+ msg + args.map(a => a.toString?.() ?? JSON.stringify(a)).join(''),`
`49`	`49`	`instance && instance.proxy,`
`50`	`50`	`trace`
`51`	`51`	`.map(`