Migrate Expo image manipulator API (#11661)

This commit is contained in:
Samuel Newman
2026-09-04 16:59:55 +03:00
committed by GitHub
parent 48f96d6421
commit a197340bce
7 changed files with 285 additions and 122 deletions
+114 -14
View File
@@ -1,5 +1,9 @@
import {createDownloadResumable, deleteAsync} from 'expo-file-system/legacy'
import {manipulateAsync, SaveFormat} from 'expo-image-manipulator'
import {
createDownloadResumable,
deleteAsync,
getInfoAsync,
} from 'expo-file-system/legacy'
import {ImageManipulator, SaveFormat} from 'expo-image-manipulator'
import {IMAGE_SIZE_CONFIG_2K_1MB} from '../../src/lib/constants'
import {
@@ -9,7 +13,6 @@ import {
import {getResizedDimensions} from '../../src/lib/media/util'
const mockResizedImage = {
path: 'file://resized-image.jpg',
size: 100,
width: 100,
height: 100,
@@ -20,10 +23,26 @@ describe('downloadAndResize', () => {
const errorSpy = jest.spyOn(global.console, 'error')
beforeEach(() => {
const mockedCreateResizedImage = manipulateAsync as jest.Mock
mockedCreateResizedImage.mockResolvedValue({
uri: 'file://resized-image.jpg',
let savedImageCount = 0
const mockedManipulate = ImageManipulator.manipulate as jest.Mock
mockedManipulate.mockImplementation(() => {
const image = {
...mockResizedImage,
release: jest.fn(),
uri: 'file://rendered-image.jpg',
saveAsync: jest.fn().mockImplementation(() => {
savedImageCount += 1
return Promise.resolve({
uri: `file://resized-image-${savedImageCount}.jpg`,
...mockResizedImage,
})
}),
}
return {
release: jest.fn(),
renderAsync: jest.fn().mockResolvedValue(image),
resize: jest.fn(),
}
})
})
@@ -48,7 +67,10 @@ describe('downloadAndResize', () => {
}
const result = await downloadAndResize(opts)
expect(result).toEqual(mockResizedImage)
expect(result).toEqual({
...mockResizedImage,
path: 'file://resized-image-7.jpg',
})
expect(createDownloadResumable).toHaveBeenCalledWith(
opts.uri,
expect.anything(),
@@ -57,20 +79,98 @@ describe('downloadAndResize', () => {
},
)
// First time it gets called is to get dimensions
expect(manipulateAsync).toHaveBeenCalledWith(expect.any(String), [], {})
// First time it gets called is to get dimensions.
expect(ImageManipulator.manipulate).toHaveBeenNthCalledWith(
1,
expect.any(String),
)
const firstContext = (ImageManipulator.manipulate as jest.Mock).mock
.results[0].value
expect(firstContext.resize).not.toHaveBeenCalled()
// The mocked source image is 100x100, below maxDimension, so it is not
// downsized.
expect(manipulateAsync).toHaveBeenCalledWith(
expect.any(String),
[{resize: {height: 100, width: 100}}],
{format: SaveFormat.JPEG, compress: 1.0},
const secondContext = (ImageManipulator.manipulate as jest.Mock).mock
.results[1].value
expect(secondContext.resize).toHaveBeenCalledWith({
height: 100,
width: 100,
})
const lastContext = (
ImageManipulator.manipulate as jest.Mock
).mock.results.at(-1)!.value
const resizedImage = await lastContext.renderAsync.mock.results[0].value
expect(resizedImage.saveAsync).toHaveBeenCalledWith(
expect.objectContaining({format: SaveFormat.JPEG, compress: 1.0}),
)
expect(deleteAsync).toHaveBeenCalledWith(expect.any(String), {
const deletedPaths = (deleteAsync as jest.Mock).mock.calls.map(
([path]) => path,
)
expect(deletedPaths).toEqual(
expect.arrayContaining([
'file://resized-image-1.jpg',
'file://resized-image-2.jpg',
'file://resized-image-3.jpg',
'file://resized-image-4.jpg',
'file://resized-image-5.jpg',
'file://resized-image-6.jpg',
]),
)
expect(deletedPaths).not.toContain('file://resized-image-7.jpg')
})
it('deletes a partial download when downloading fails', async () => {
const mockedFetch = createDownloadResumable as jest.Mock
mockedFetch.mockReturnValue({
cancelAsync: jest.fn(),
downloadAsync: jest.fn().mockRejectedValue(new Error('download failed')),
})
const opts: DownloadAndResizeOpts = {
uri: 'https://example.com/image.jpg',
maxDimension: 2000,
maxSize: 500000,
timeout: 10000,
}
await expect(downloadAndResize(opts)).rejects.toThrow('download failed')
expect(deleteAsync).toHaveBeenCalledWith(expect.stringMatching(/\.bin$/), {
idempotent: true,
})
})
it('deletes every intermediate image when resizing fails', async () => {
const mockedFetch = createDownloadResumable as jest.Mock
mockedFetch.mockReturnValue({
cancelAsync: jest.fn(),
downloadAsync: jest
.fn()
.mockResolvedValue({uri: 'file://downloaded-image.jpg'}),
})
;(getInfoAsync as jest.Mock)
.mockResolvedValueOnce({exists: true, size: 100})
.mockRejectedValueOnce(new Error('stat failed'))
const opts: DownloadAndResizeOpts = {
uri: 'https://example.com/image.jpg',
maxDimension: 2000,
maxSize: 500000,
timeout: 10000,
}
await expect(downloadAndResize(opts)).rejects.toThrow('stat failed')
const deletedPaths = (deleteAsync as jest.Mock).mock.calls.map(
([path]) => path,
)
expect(deletedPaths).toEqual(
expect.arrayContaining([
'file://resized-image-1.jpg',
'file://resized-image-2.jpg',
'file://resized-image-3.jpg',
]),
)
})
it('should return undefined for invalid URI', async () => {
const opts: DownloadAndResizeOpts = {
uri: 'invalid-uri',
+24 -3
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@@ -36,15 +36,36 @@ jest.mock('expo-file-system/legacy', () => ({
createDownloadResumable: jest.fn(),
}))
jest.mock('expo-image-manipulator', () => ({
manipulateAsync: jest.fn().mockResolvedValue({
jest.mock('expo-image-manipulator', () => {
const createContext = () => {
const image = {
height: 100,
release: jest.fn(),
saveAsync: jest.fn().mockResolvedValue({
height: 100,
uri: 'file://resized-image',
width: 100,
}),
width: 100,
}
return {
crop: jest.fn(),
release: jest.fn(),
renderAsync: jest.fn().mockResolvedValue(image),
resize: jest.fn(),
}
}
return {
ImageManipulator: {
manipulate: jest.fn(createContext),
},
SaveFormat: {
JPEG: 'jpeg',
WEBP: 'webp',
},
}))
}
})
jest.mock('expo-camera', () => ({
Camera: {
+1 -1
View File
@@ -638,7 +638,7 @@
"count": 1
},
"typescript/no-floating-promises": {
"count": 5
"count": 3
}
},
"src/lib/media/manip.web.ts": {
+27
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@@ -0,0 +1,27 @@
import {
ImageManipulator,
type ImageManipulatorContext,
type ImageResult,
type SaveOptions,
} from 'expo-image-manipulator'
export async function renderImage(
source: string,
manipulate?: (context: ImageManipulatorContext) => void,
saveOptions?: SaveOptions,
): Promise<ImageResult> {
const context = ImageManipulator.manipulate(source)
try {
manipulate?.(context)
const image = await context.renderAsync()
try {
return await image.saveAsync(saveOptions)
} finally {
image.release()
}
} finally {
context.release()
}
}
+50 -19
View File
@@ -12,12 +12,13 @@ import {
StorageAccessFramework,
writeAsStringAsync,
} from 'expo-file-system/legacy'
import {manipulateAsync, SaveFormat} from 'expo-image-manipulator'
import {SaveFormat} from 'expo-image-manipulator'
import * as MediaLibrary from 'expo-media-library/legacy'
import * as Sharing from 'expo-sharing'
import {logger} from '#/logger'
import {IS_ANDROID, IS_IOS} from '#/env'
import {renderImage} from './image-manipulator'
import {type PickerImage} from './picker.shared'
import {type Dimensions} from './types'
import {convertCdnPreset, getResizedDimensions} from './util'
@@ -78,16 +79,25 @@ export async function shareImageModal({uri}: {uri: string}) {
}
const downloadedPath = await downloadImage(uri, String(uuid.v4()), 15e3)
const {uri: jpegUri} = await manipulateAsync(downloadedPath, [], {
let jpegUri: string | undefined
let imagePath: string | undefined
try {
const jpeg = await renderImage(downloadedPath, undefined, {
format: SaveFormat.JPEG,
compress: 1.0,
})
void safeDeleteAsync(downloadedPath)
const imagePath = await moveToPermanentPath(jpegUri, '.jpg')
jpegUri = jpeg.uri
imagePath = await moveToPermanentPath(jpegUri, '.jpg')
await Sharing.shareAsync(imagePath, {
mimeType: 'image/jpeg',
UTI: 'image/jpeg',
})
} finally {
await safeDeleteAsync(downloadedPath)
if (jpegUri) await safeDeleteAsync(jpegUri)
if (imagePath) await safeDeleteAsync(imagePath)
}
}
const ALBUM_NAME = 'Bluesky'
@@ -199,7 +209,7 @@ async function doResize(
// Now instead, we have to supply the final dimensions to the manipulation function instead.
// Performing an "empty" manipulation lets us get the dimensions of the original image. React Native's Image.getSize()
// does not work for local files...
const imageRes = await manipulateAsync(localUri, [], {})
const imageRes = await renderImage(localUri)
const newDimensions = getResizedDimensions(
{
width: imageRes.width,
@@ -210,16 +220,17 @@ async function doResize(
let minQualityPercentage = 0
let maxQualityPercentage = 101 // exclusive
let newDataUri
let newDataUri: PickerImage | undefined
const intermediateUris = []
try {
while (maxQualityPercentage - minQualityPercentage > 1) {
const qualityPercentage = Math.round(
(maxQualityPercentage + minQualityPercentage) / 2,
)
const resizeRes = await manipulateAsync(
const resizeRes = await renderImage(
localUri,
[{resize: newDimensions}],
context => context.resize(newDimensions),
{
format: SaveFormat.JPEG,
compress: qualityPercentage / 100,
@@ -249,20 +260,24 @@ async function doResize(
}
}
for (const intermediateUri of intermediateUris) {
if (newDataUri?.path !== normalizePath(intermediateUri)) {
safeDeleteAsync(intermediateUri)
}
}
if (newDataUri) {
safeDeleteAsync(imageRes.uri)
return newDataUri
}
throw new Error(
`This image is too big! We couldn't compress it down to ${opts.maxSize} bytes`,
)
} catch (err) {
newDataUri = undefined
throw err
} finally {
await safeDeleteAsync(imageRes.uri)
await Promise.all(
intermediateUris
.filter(uri => newDataUri?.path !== normalizePath(uri))
.map(safeDeleteAsync),
)
}
}
async function moveToPermanentPath(path: string, ext: string): Promise<string> {
@@ -393,13 +408,20 @@ async function downloadImage(uri: string, destName: string, timeout: number) {
const tempPath = `${cacheDirectory ?? ''}/${destName}.bin`
const dlResumable = createDownloadResumable(uri, tempPath, {cache: true})
let timedOut = false
let downloadedPath: string | undefined
let finalPath: string | undefined
const to1 = setTimeout(() => {
timedOut = true
void dlResumable.cancelAsync()
void dlResumable.cancelAsync().catch(() => undefined)
}, timeout)
const dlRes = await dlResumable.downloadAsync()
try {
let dlRes
try {
dlRes = await dlResumable.downloadAsync()
} finally {
clearTimeout(to1)
}
if (!dlRes?.uri) {
if (timedOut) {
@@ -409,11 +431,20 @@ async function downloadImage(uri: string, destName: string, timeout: number) {
}
}
downloadedPath = dlRes.uri
const ext = extFromMime(dlRes.mimeType)
const finalPath = `${cacheDirectory ?? ''}/${destName}.${ext}`
await moveAsync({from: dlRes.uri, to: finalPath})
finalPath = `${cacheDirectory ?? ''}/${destName}.${ext}`
await moveAsync({from: downloadedPath, to: finalPath})
return normalizePath(finalPath)
} catch (err) {
await Promise.all(
[...new Set([tempPath, downloadedPath, finalPath])]
.filter(path => path !== undefined)
.map(safeDeleteAsync),
)
throw err
}
}
const MIME_TO_EXT: Record<string, string> = {
+1 -10
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@@ -113,17 +113,8 @@ declare module 'expo-file-system' {
declare module 'expo-image-manipulator' {
import {type ImageManipulator as ImageManipulatorModule} from 'expo-image-manipulator/build/ImageManipulator.types'
export const ImageManipulator: ImageManipulatorModule
export {useImageManipulator} from 'expo-image-manipulator/build/ImageManipulator'
export {
manipulateAsync,
useImageManipulator,
} from 'expo-image-manipulator/build/ImageManipulator'
export {
type Action,
type ActionCrop,
type ActionExtent,
type ActionFlip,
type ActionResize,
type ActionRotate,
FlipType,
type ImageResult,
SaveFormat,
+10 -17
View File
@@ -5,14 +5,10 @@ import {
makeDirectoryAsync,
moveAsync,
} from 'expo-file-system/legacy'
import {
type Action,
type ActionCrop,
manipulateAsync,
SaveFormat,
} from 'expo-image-manipulator'
import {type ImageManipulatorContext, SaveFormat} from 'expo-image-manipulator'
import {nanoid} from 'nanoid/non-secure'
import {renderImage} from '#/lib/media/image-manipulator'
import {getImageDim} from '#/lib/media/manip'
import {openCropper} from '#/lib/media/picker'
import {type PickerImage} from '#/lib/media/picker.shared'
@@ -22,7 +18,7 @@ import {logger} from '#/logger'
import {IS_NATIVE, IS_WEB} from '#/env'
export type ImageTransformation = {
crop?: ActionCrop['crop']
crop?: Parameters<ImageManipulatorContext['crop']>[0]
}
export type ImageMeta = {
@@ -160,11 +156,8 @@ export async function manipulateImage(
img: ComposerImage,
trans: ImageTransformation,
): Promise<ComposerImage> {
const rawActions: (Action | undefined)[] = [trans.crop && {crop: trans.crop}]
const actions = rawActions.filter((a): a is Action => a !== undefined)
if (actions.length === 0) {
const crop = trans.crop
if (!crop) {
if (img.transformed === undefined) {
return img
}
@@ -173,7 +166,7 @@ export async function manipulateImage(
}
const source = img.source
const result = await manipulateAsync(source.path, actions, {
const result = await renderImage(source.path, context => context.crop(crop), {
format: SaveFormat.PNG,
})
@@ -244,9 +237,9 @@ export async function compressImage(
continue
}
const res = await manipulateAsync(
const res = await renderImage(
source.path,
[{resize: {width: w, height: h}}],
context => context.resize({width: w, height: h}),
{
compress: qualityPercentage / 100,
format: SaveFormat.JPEG,
@@ -362,8 +355,8 @@ function blobToDataUri(blob: Blob): Promise<string> {
* media to a post. They live alongside our own `bsky-composer` dir under the OS
* cache directory. expo-image-picker copies every originally selected photo and
* video here, and expo-image-manipulator leaves intermediate full-resolution
* outputs here (compressImage makes several manipulateAsync passes, only the
* last of which gets moved into `bsky-composer`). Nothing else cleans these up,
* outputs here (compressImage makes several rendering passes, only the last of
* which gets moved into `bsky-composer`). Nothing else cleans these up,
* so on iOS - where the OS exposes no "clear cache" - they accumulate
* indefinitely, one full-resolution copy per attached item.
*/