fix(ssr): update initial old value to watch callback in ssr usage (#4103)

ioslh · web-flow · commit 20b661979370 · 2021-07-19T17:13:37.000-04:00
diff --git a/packages/runtime-core/src/apiWatch.ts b/packages/runtime-core/src/apiWatch.ts
@@ -265,7 +265,7 @@ function doWatch(
     } else if (immediate) {
       callWithAsyncErrorHandling(cb, instance, ErrorCodes.WATCH_CALLBACK, [
         getter(),
-        undefined,
+        isMultiSource ? [] : undefined,
         onInvalidate
       ])
     }

Original file line number	Diff line number	Diff line change
`@@ -265,7 +265,7 @@ function doWatch(`
`265`	`265`	`} else if (immediate) {`
`266`	`266`	`callWithAsyncErrorHandling(cb, instance, ErrorCodes.WATCH_CALLBACK, [`
`267`	`267`	`getter(),`
`268`		`- undefined,`
	`268`	`+ isMultiSource ? [] : undefined,`
`269`	`269`	`onInvalidate`
`270`	`270`	`])`
`271`	`271`	`}`