fix: (lingui/core) i18n error if id is undefined - test case added

lingui · May 22, 2024 · c50207e · c50207e
1 parent b28d7ea
commit c50207e
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/packages/core/src/i18n.test.ts b/packages/core/src/i18n.test.ts
@@ -290,6 +290,25 @@ describe("I18n", () => {
  expect(handler).toHaveBeenCalledTimes(2)
  })
 
+ it("._ should emit missing event for undefined id", () => {
+ const i18n = setupI18n({
+ locale: "en",
+ messages: { en: {} },
+ })
+
+ const messageID = undefined
+
+ const handler = jest.fn()
+ i18n.on("missing", handler)
+ // @ts-ignore
+ i18n._(messageID)
+ expect(handler).toHaveBeenCalledTimes(1)
+ expect(handler).toHaveBeenCalledWith({
+ id: undefined,
+ locale: "en",
+ })
+ })
+
  describe("params.missing - handling missing translations", () => {
  it("._ should return custom string for missing translations", () => {
  const i18n = setupI18n({