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Handle EXIF orientation flag (#4021)

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* Handle EXIF orientation flag

* Create gentle-mails-mate.md
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Chris Swithinbank 2022-07-22 21:14:00 +02:00 committed by GitHub
parent 337318142a
commit 9aecf7c7c7
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2 changed files with 9 additions and 3 deletions
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5
.changeset/gentle-mails-mate.md Normal file
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@ -0,0 +1,5 @@
---
"@astrojs/image": patch
---
Handle EXIF orientation flag

7
packages/integrations/image/src/metadata.ts
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@ -5,7 +5,8 @@ import { ImageMetadata, InputFormat } from './types';
export async function metadata(src: string): Promise<ImageMetadata | undefined> { export async function metadata(src: string): Promise<ImageMetadata | undefined> {
const file = await fs.readFile(src); const file = await fs.readFile(src);
const { width, height, type } = await sizeOf(file); const { width, height, type, orientation } = await sizeOf(file);
const isPortrait = (orientation || 0) >= 5;
if (!width || !height || !type) { if (!width || !height || !type) {
return undefined; return undefined;
@ -13,8 +14,8 @@ export async function metadata(src: string): Promise<ImageMetadata | undefined>
return { return {
src, src,
width, width: isPortrait ? height : width,
height, height: isPortrait ? width : height,
format: type as InputFormat, format: type as InputFormat,
}; };
} }