fix

Author: kazupon

packages/vue-i18n-core/src/i18n.ts

@@ -773,7 +773,7 @@ export function useI18n<
 
     i18nInternal.__setInstance(instance, composer)
   } else {
-    if (scope === 'local') {
+    if (__DEV__ && scope === 'local') {
       throw createI18nError(I18nErrorCodes.DUPLICATE_USE_I18N_CALLING)
     }
   }

packages/vue-i18n-core/test/__snapshots__/i18n.test.ts.snap

@@ -7,5 +7,3 @@ exports[`slot reactivity > composable > ja 1`] = `"<h1>Root</h1><form><select><o
 exports[`slot reactivity > legacy > en 1`] = `"<h1>Root</h1><form><select><option value="en">en</option><option value="ja">ja</option></select></form><p>hello!</p><div class="child"><h1>Child</h1><form><select><option value="en">en</option><option value="ja">ja</option></select></form><p>hello!</p><div class="sub-child"><h1>Sub Child</h1><form><select><option value="en">en</option><option value="ja">ja</option></select></form><p>hello!</p></div> $t inside of slot <p>hello!</p> i18n-t inside of slot <p>hello!</p></div>"`;
 
 exports[`slot reactivity > legacy > ja 1`] = `"<h1>Root</h1><form><select><option value="en">en</option><option value="ja">ja</option></select></form><p>こんにちは！</p><div class="child"><h1>Child</h1><form><select><option value="en">en</option><option value="ja">ja</option></select></form><p>こんにちは！</p><div class="sub-child"><h1>Sub Child</h1><form><select><option value="en">en</option><option value="ja">ja</option></select></form><p>こんにちは！</p></div> $t inside of slot <p>こんにちは！</p> i18n-t inside of slot <p>こんにちは！</p></div>"`;
-
-exports[`useI18n > Duplicate \`useI18n\` calling by local scope. Please don't call it on local scope 1`] = `"<h1>Root</h1><form><select><option value="en">en</option><option value="ja">ja</option></select></form><p>hi!</p><p></p><p>Duplicate \`useI18n\` calling by local scope. Please don't call it on local scope</p>"`;

packages/vue-i18n-core/test/i18n.test.ts

@@ -679,8 +679,8 @@ describe('useI18n', () => {
           <p>{{ error }}</p>
       `
     })
-    const { html } = await mount(App, i18n as any) // eslint-disable-line @typescript-eslint/no-explicit-any
-    expect(html()).toMatchSnapshot()
+    await mount(App, i18n as any) // eslint-disable-line @typescript-eslint/no-explicit-any
+    expect(error).toBe(errorMessages[I18nErrorCodes.DUPLICATE_USE_I18N_CALLING])
   })
 })