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fix: lazy load sharp #65484

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Merged
merged 2 commits into from
May 7, 2024
Merged

fix: lazy load sharp #65484

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1cded7f
fix: lazy load sharp
styfle May 7, 2024
5b57840
early return
styfle May 7, 2024
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16 changes: 11 additions & 5 deletions packages/next/src/server/image-optimizer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -39,16 +39,20 @@ const VECTOR_TYPES = [SVG]
const BLUR_IMG_SIZE = 8 // should match `next-image-loader`
const BLUR_QUALITY = 70 // should match `next-image-loader`

let sharp: typeof import('sharp')
let _sharp: typeof import('sharp')

function getSharp() {
if (_sharp) {
return _sharp
}
try {
sharp = require('sharp')
if (sharp && sharp.concurrency() > 1) {
_sharp = require('sharp')
if (_sharp && _sharp.concurrency() > 1) {
// Reducing concurrency should reduce the memory usage too.
// We more aggressively reduce in dev but also reduce in prod.
// https://sharp.pixelplumbing.com/api-utility#concurrency
const divisor = process.env.NODE_ENV === 'development' ? 4 : 2
sharp.concurrency(Math.floor(Math.max(cpus().length / divisor, 1)))
_sharp.concurrency(Math.floor(Math.max(cpus().length / divisor, 1)))
}
} catch (e: unknown) {
if (isError(e) && e.code === 'MODULE_NOT_FOUND') {
Expand All @@ -58,6 +62,8 @@ try {
}
throw e
}
return _sharp
}

export interface ImageParamsResult {
href: string
Expand Down Expand Up @@ -433,7 +439,7 @@ export async function optimizeImage({
}): Promise<Buffer> {
let optimizedBuffer = buffer

// Begin sharp transformation logic
const sharp = getSharp()
const transformer = sharp(buffer, {
sequentialRead: true,
})
Expand Down