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fix(use-image): image ReferenceError in SSR (#4122)
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* fix(use-image): image ReferenceError in SSR

* fix(use-image): sync with beta

* fix(use-image): sync with beta

* chore(use-image): remove unnecessary comments
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wingkwong authored Nov 20, 2024
1 parent c6326d1 commit ce1546c
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5 changes: 5 additions & 0 deletions .changeset/wild-jobs-explain.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@nextui-org/use-image": patch
---

fix Image ReferenceError in SSR
25 changes: 9 additions & 16 deletions packages/hooks/use-image/__tests__/use-image.test.tsx
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import {renderHook} from "@testing-library/react-hooks";
import {renderHook, waitFor} from "@testing-library/react";
import {mocks} from "@nextui-org/test-utils";

import {useImage} from "../src";
Expand All @@ -14,31 +14,24 @@ describe("use-image hook", () => {
});

it("can handle missing src", () => {
const rendered = renderHook(() => useImage({}));
const {result} = renderHook(() => useImage({}));

expect(rendered.result.current).toEqual("pending");
expect(result.current).toEqual("pending");
});

it("can handle loading image", async () => {
const rendered = renderHook(() => useImage({src: "/test.png"}));
const {result} = renderHook(() => useImage({src: "/test.png"}));

expect(rendered.result.current).toEqual("loading");
expect(result.current).toEqual("loading");
mockImage.simulate("loaded");
await rendered.waitForValueToChange(() => rendered.result.current === "loaded");
await waitFor(() => expect(result.current).toBe("loaded"));
});

it("can handle error image", async () => {
mockImage.simulate("error");
const rendered = renderHook(() => useImage({src: "/test.png"}));
const {result} = renderHook(() => useImage({src: "/test.png"}));

expect(rendered.result.current).toEqual("loading");
await rendered.waitForValueToChange(() => rendered.result.current === "failed");
});

it("can handle cached image", async () => {
mockImage.simulate("loaded");
const rendered = renderHook(() => useImage({src: "/test.png"}));

expect(rendered.result.current).toEqual("loaded");
expect(result.current).toEqual("loading");
await waitFor(() => expect(result.current).toBe("failed"));
});
});
91 changes: 40 additions & 51 deletions packages/hooks/use-image/src/index.ts
Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
/**
* Part of this code is taken from @chakra-ui/react package ❤️
*/
import type {ImgHTMLAttributes, MutableRefObject, SyntheticEvent} from "react";

import {useEffect, useRef, useState} from "react";
import type {ImgHTMLAttributes, SyntheticEvent} from "react";

import {useCallback, useEffect, useRef, useState} from "react";
import {useSafeLayoutEffect} from "@nextui-org/use-safe-layout-effect";

type NativeImageProps = ImgHTMLAttributes<HTMLImageElement>;
Expand Down Expand Up @@ -46,7 +47,6 @@ type Status = "loading" | "failed" | "pending" | "loaded";
export type FallbackStrategy = "onError" | "beforeLoadOrError";

type ImageEvent = SyntheticEvent<HTMLImageElement, Event>;

/**
* React hook that loads an image in the browser,
* and lets us know the `status` so we can show image
Expand All @@ -63,40 +63,44 @@ type ImageEvent = SyntheticEvent<HTMLImageElement, Event>;
* }
* ```
*/

export function useImage(props: UseImageProps = {}) {
const {loading, src, srcSet, onLoad, onError, crossOrigin, sizes, ignoreFallback} = props;

const [status, setStatus] = useState<Status>("pending");

useEffect(() => {
setStatus(src ? "loading" : "pending");
}, [src]);

const imageRef = useRef<HTMLImageElement | null>();
const firstMount = useRef<boolean>(true);
const [status, setStatus] = useState<Status>(() => setImageAndGetInitialStatus(props, imageRef));

useSafeLayoutEffect(() => {
if (firstMount.current) {
firstMount.current = false;
const load = useCallback(() => {
if (!src) return;

return;
}
flush();

setStatus(setImageAndGetInitialStatus(props, imageRef));
const img = new Image();

return () => {
flush();
};
}, [src, crossOrigin, srcSet, sizes, loading]);
img.src = src;
if (crossOrigin) img.crossOrigin = crossOrigin;
if (srcSet) img.srcset = srcSet;
if (sizes) img.sizes = sizes;
if (loading) img.loading = loading;

useEffect(() => {
if (!imageRef.current) return;
imageRef.current.onload = (event) => {
img.onload = (event) => {
flush();
setStatus("loaded");
onLoad?.(event as unknown as ImageEvent);
};
imageRef.current.onerror = (error) => {
img.onerror = (error) => {
flush();
setStatus("failed");
onError?.(error as any);
};
}, [imageRef.current]);

imageRef.current = img;
}, [src, crossOrigin, srcSet, sizes, onLoad, onError, loading]);

const flush = () => {
if (imageRef.current) {
Expand All @@ -106,40 +110,25 @@ export function useImage(props: UseImageProps = {}) {
}
};

useSafeLayoutEffect(() => {
/**
* If user opts out of the fallback/placeholder
* logic, let's bail out.
*/
if (ignoreFallback) return undefined;

if (status === "loading") {
load();
}

return () => {
flush();
};
}, [status, load, ignoreFallback]);

/**
* If user opts out of the fallback/placeholder
* logic, let's just return 'loaded'
*/
return ignoreFallback ? "loaded" : status;
}

function setImageAndGetInitialStatus(
props: UseImageProps,
imageRef: MutableRefObject<HTMLImageElement | null | undefined>,
): Status {
const {loading, src, srcSet, crossOrigin, sizes, ignoreFallback} = props;

if (!src) return "pending";
if (ignoreFallback) return "loaded";

const img = new Image();

img.src = src;
if (crossOrigin) img.crossOrigin = crossOrigin;
if (srcSet) img.srcset = srcSet;
if (sizes) img.sizes = sizes;
if (loading) img.loading = loading;

imageRef.current = img;
if (img.complete && img.naturalWidth) {
return "loaded";
}

return "loading";
}

export const shouldShowFallbackImage = (status: Status, fallbackStrategy: FallbackStrategy) =>
(status !== "loaded" && fallbackStrategy === "beforeLoadOrError") ||
(status === "failed" && fallbackStrategy === "onError");

export type UseImageReturn = ReturnType<typeof useImage>;

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