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Merge branch 'main' of https://github.com/hpi-schul-cloud/nuxt-client …
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| export const useAriaLiveNotifier = () => { | ||
| const notifyOnScreenReader = ( | ||
| message: string, | ||
| importance: "off" | "polite" | "assertive" = "polite" | ||
| ) => { | ||
| // should be a div with aria-live="polite | assertive" attribute | ||
| // and should be appended to the upper level of the DOM tree | ||
| // the aria-live attribute should be set polite or assertive based on the importance of the message | ||
| const element = document.getElementById( | ||
| importance === "polite" | ||
| ? "notify-screen-reader-polite" | ||
| : "notify-screen-reader-assertive" | ||
| ); | ||
|
|
||
| if (!element) { | ||
| console.error( | ||
| `Element with id 'notify-screen-reader-${importance}' not found` | ||
| ); | ||
| return; | ||
| } | ||
|
|
||
| element.innerHTML += `<span>${message}</span>`; | ||
| }; | ||
|
|
||
| return { | ||
| notifyOnScreenReader, | ||
| }; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| import { useAriaLiveNotifier } from "./ariaLiveNotifier"; | ||
|
|
||
| describe("useAriaLiveNotifier", () => { | ||
| beforeEach(() => { | ||
| document.body.innerHTML = ` | ||
| <div> | ||
| <div id="notify-screen-reader-polite"></div> | ||
| <div id="notify-screen-reader-assertive"></div> | ||
| </div>`; | ||
| }); | ||
| it("should notify on screen reader on 'aria-live=assertive' mode", () => { | ||
| jest.useFakeTimers(); | ||
| const { notifyOnScreenReader } = useAriaLiveNotifier(); | ||
| const element = document.getElementById("notify-screen-reader-assertive"); | ||
| const message = "Assertive screen reader message"; | ||
| notifyOnScreenReader(message, "assertive"); | ||
|
|
||
| jest.advanceTimersByTime(3000); | ||
| expect(element?.innerHTML).toBe(`<span>${message}</span>`); | ||
| }); | ||
|
|
||
| it("should notify on screen reader on 'aria-live=polite' mode", () => { | ||
| jest.useFakeTimers(); | ||
| const { notifyOnScreenReader } = useAriaLiveNotifier(); | ||
| const element = document.getElementById("notify-screen-reader-polite"); | ||
| const message = "Polite screen reader message"; | ||
| notifyOnScreenReader(message, "polite"); | ||
|
|
||
| jest.advanceTimersByTime(3000); | ||
| expect(element?.innerHTML).toBe(`<span>${message}</span>`); | ||
| }); | ||
| }); |
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