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
+27
View File
@@ -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()
}
}
+101 -70
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, [], {
format: SaveFormat.JPEG,
compress: 1.0,
})
void safeDeleteAsync(downloadedPath)
const imagePath = await moveToPermanentPath(jpegUri, '.jpg')
await Sharing.shareAsync(imagePath, {
mimeType: 'image/jpeg',
UTI: 'image/jpeg',
})
let jpegUri: string | undefined
let imagePath: string | undefined
try {
const jpeg = await renderImage(downloadedPath, undefined, {
format: SaveFormat.JPEG,
compress: 1.0,
})
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,
@@ -210,59 +220,64 @@ async function doResize(
let minQualityPercentage = 0
let maxQualityPercentage = 101 // exclusive
let newDataUri
let newDataUri: PickerImage | undefined
const intermediateUris = []
while (maxQualityPercentage - minQualityPercentage > 1) {
const qualityPercentage = Math.round(
(maxQualityPercentage + minQualityPercentage) / 2,
)
const resizeRes = await manipulateAsync(
localUri,
[{resize: newDimensions}],
{
format: SaveFormat.JPEG,
compress: qualityPercentage / 100,
},
)
intermediateUris.push(resizeRes.uri)
const fileInfo = await getInfoAsync(resizeRes.uri)
if (!fileInfo.exists) {
throw new Error(
'The image manipulation library failed to create a new image.',
try {
while (maxQualityPercentage - minQualityPercentage > 1) {
const qualityPercentage = Math.round(
(maxQualityPercentage + minQualityPercentage) / 2,
)
const resizeRes = await renderImage(
localUri,
context => context.resize(newDimensions),
{
format: SaveFormat.JPEG,
compress: qualityPercentage / 100,
},
)
}
if (fileInfo.size < opts.maxSize) {
minQualityPercentage = qualityPercentage
newDataUri = {
path: normalizePath(resizeRes.uri),
mime: 'image/jpeg',
size: fileInfo.size,
width: resizeRes.width,
height: resizeRes.height,
intermediateUris.push(resizeRes.uri)
const fileInfo = await getInfoAsync(resizeRes.uri)
if (!fileInfo.exists) {
throw new Error(
'The image manipulation library failed to create a new image.',
)
}
if (fileInfo.size < opts.maxSize) {
minQualityPercentage = qualityPercentage
newDataUri = {
path: normalizePath(resizeRes.uri),
mime: 'image/jpeg',
size: fileInfo.size,
width: resizeRes.width,
height: resizeRes.height,
}
} else {
maxQualityPercentage = qualityPercentage
}
} else {
maxQualityPercentage = qualityPercentage
}
}
for (const intermediateUri of intermediateUris) {
if (newDataUri?.path !== normalizePath(intermediateUri)) {
safeDeleteAsync(intermediateUri)
if (newDataUri) {
return newDataUri
}
}
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),
)
}
throw new Error(
`This image is too big! We couldn't compress it down to ${opts.maxSize} bytes`,
)
}
async function moveToPermanentPath(path: string, ext: string): Promise<string> {
@@ -393,27 +408,43 @@ async function downloadImage(uri: string, destName: string, timeout: number) {
const tempPath = `${cacheDirectory ?? ''}/${destName}.bin`
const dlResumable = createDownloadResumable(uri, tempPath, {cache: true})
let timedOut = false
let downloadedPath: string | undefined
let finalPath: string | undefined
const to1 = setTimeout(() => {
timedOut = true
void dlResumable.cancelAsync()
void dlResumable.cancelAsync().catch(() => undefined)
}, timeout)
const dlRes = await dlResumable.downloadAsync()
clearTimeout(to1)
if (!dlRes?.uri) {
if (timedOut) {
throw new Error('Failed to download image - timed out')
} else {
throw new Error('Failed to download image - dlRes is undefined')
try {
let dlRes
try {
dlRes = await dlResumable.downloadAsync()
} finally {
clearTimeout(to1)
}
if (!dlRes?.uri) {
if (timedOut) {
throw new Error('Failed to download image - timed out')
} else {
throw new Error('Failed to download image - dlRes is undefined')
}
}
downloadedPath = dlRes.uri
const ext = extFromMime(dlRes.mimeType)
finalPath = `${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 ext = extFromMime(dlRes.mimeType)
const finalPath = `${cacheDirectory ?? ''}/${destName}.${ext}`
await moveAsync({from: dlRes.uri, to: finalPath})
return normalizePath(finalPath)
}
const MIME_TO_EXT: Record<string, string> = {
+1 -10
View File
@@ -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.
*/