691 lines
24 KiB
JavaScript
691 lines
24 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
0 && (module.exports = {
|
|
getHash: null,
|
|
detectContentType: null,
|
|
ImageOptimizerCache: null,
|
|
ImageError: null,
|
|
getMaxAge: null,
|
|
optimizeImage: null,
|
|
imageOptimizer: null,
|
|
sendResponse: null,
|
|
getImageSize: null
|
|
});
|
|
function _export(target, all) {
|
|
for(var name in all)Object.defineProperty(target, name, {
|
|
enumerable: true,
|
|
get: all[name]
|
|
});
|
|
}
|
|
_export(exports, {
|
|
getHash: function() {
|
|
return getHash;
|
|
},
|
|
detectContentType: function() {
|
|
return detectContentType;
|
|
},
|
|
ImageOptimizerCache: function() {
|
|
return ImageOptimizerCache;
|
|
},
|
|
ImageError: function() {
|
|
return ImageError;
|
|
},
|
|
getMaxAge: function() {
|
|
return getMaxAge;
|
|
},
|
|
optimizeImage: function() {
|
|
return optimizeImage;
|
|
},
|
|
imageOptimizer: function() {
|
|
return imageOptimizer;
|
|
},
|
|
sendResponse: function() {
|
|
return sendResponse;
|
|
},
|
|
getImageSize: function() {
|
|
return getImageSize;
|
|
}
|
|
});
|
|
const _crypto = require("crypto");
|
|
const _fs = require("fs");
|
|
const _os = require("os");
|
|
const _accept = require("next/dist/compiled/@hapi/accept");
|
|
const _picocolors = require("../lib/picocolors");
|
|
const _contentdisposition = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/content-disposition"));
|
|
const _getorientation = require("next/dist/compiled/get-orientation");
|
|
const _imagesize = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/image-size"));
|
|
const _isanimated = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/is-animated"));
|
|
const _path = require("path");
|
|
const _url = /*#__PURE__*/ _interop_require_default(require("url"));
|
|
const _imageblursvg = require("../shared/lib/image-blur-svg");
|
|
const _matchremotepattern = require("../shared/lib/match-remote-pattern");
|
|
const _mockrequest = require("./lib/mock-request");
|
|
const _sendpayload = require("./send-payload");
|
|
const _servestatic = require("./serve-static");
|
|
function _interop_require_default(obj) {
|
|
return obj && obj.__esModule ? obj : {
|
|
default: obj
|
|
};
|
|
}
|
|
const AVIF = "image/avif";
|
|
const WEBP = "image/webp";
|
|
const PNG = "image/png";
|
|
const JPEG = "image/jpeg";
|
|
const GIF = "image/gif";
|
|
const SVG = "image/svg+xml";
|
|
const ICO = "image/x-icon";
|
|
const CACHE_VERSION = 3;
|
|
const ANIMATABLE_TYPES = [
|
|
WEBP,
|
|
PNG,
|
|
GIF
|
|
];
|
|
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;
|
|
try {
|
|
sharp = require(process.env.NEXT_SHARP_PATH || "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((0, _os.cpus)().length / divisor, 1)));
|
|
}
|
|
} catch (e) {
|
|
// Sharp not present on the server, Squoosh fallback will be used
|
|
}
|
|
let showSharpMissingWarning = process.env.NODE_ENV === "production";
|
|
function getSupportedMimeType(options, accept = "") {
|
|
const mimeType = (0, _accept.mediaType)(accept, options);
|
|
return accept.includes(mimeType) ? mimeType : "";
|
|
}
|
|
function getHash(items) {
|
|
const hash = (0, _crypto.createHash)("sha256");
|
|
for (let item of items){
|
|
if (typeof item === "number") hash.update(String(item));
|
|
else {
|
|
hash.update(item);
|
|
}
|
|
}
|
|
// See https://en.wikipedia.org/wiki/Base64#Filenames
|
|
return hash.digest("base64").replace(/\//g, "-");
|
|
}
|
|
async function writeToCacheDir(dir, extension, maxAge, expireAt, buffer, etag) {
|
|
const filename = (0, _path.join)(dir, `${maxAge}.${expireAt}.${etag}.${extension}`);
|
|
await _fs.promises.rm(dir, {
|
|
recursive: true,
|
|
force: true
|
|
}).catch(()=>{});
|
|
await _fs.promises.mkdir(dir, {
|
|
recursive: true
|
|
});
|
|
await _fs.promises.writeFile(filename, buffer);
|
|
}
|
|
function detectContentType(buffer) {
|
|
if ([
|
|
0xff,
|
|
0xd8,
|
|
0xff
|
|
].every((b, i)=>buffer[i] === b)) {
|
|
return JPEG;
|
|
}
|
|
if ([
|
|
0x89,
|
|
0x50,
|
|
0x4e,
|
|
0x47,
|
|
0x0d,
|
|
0x0a,
|
|
0x1a,
|
|
0x0a
|
|
].every((b, i)=>buffer[i] === b)) {
|
|
return PNG;
|
|
}
|
|
if ([
|
|
0x47,
|
|
0x49,
|
|
0x46,
|
|
0x38
|
|
].every((b, i)=>buffer[i] === b)) {
|
|
return GIF;
|
|
}
|
|
if ([
|
|
0x52,
|
|
0x49,
|
|
0x46,
|
|
0x46,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0x57,
|
|
0x45,
|
|
0x42,
|
|
0x50
|
|
].every((b, i)=>!b || buffer[i] === b)) {
|
|
return WEBP;
|
|
}
|
|
if ([
|
|
0x3c,
|
|
0x3f,
|
|
0x78,
|
|
0x6d,
|
|
0x6c
|
|
].every((b, i)=>buffer[i] === b)) {
|
|
return SVG;
|
|
}
|
|
if ([
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0x66,
|
|
0x74,
|
|
0x79,
|
|
0x70,
|
|
0x61,
|
|
0x76,
|
|
0x69,
|
|
0x66
|
|
].every((b, i)=>!b || buffer[i] === b)) {
|
|
return AVIF;
|
|
}
|
|
if ([
|
|
0x00,
|
|
0x00,
|
|
0x01,
|
|
0x00
|
|
].every((b, i)=>buffer[i] === b)) {
|
|
return ICO;
|
|
}
|
|
return null;
|
|
}
|
|
class ImageOptimizerCache {
|
|
static validateParams(req, query, nextConfig, isDev) {
|
|
var _nextConfig_images;
|
|
const imageData = nextConfig.images;
|
|
const { deviceSizes = [], imageSizes = [], domains = [], minimumCacheTTL = 60, formats = [
|
|
"image/webp"
|
|
] } = imageData;
|
|
const remotePatterns = ((_nextConfig_images = nextConfig.images) == null ? void 0 : _nextConfig_images.remotePatterns) || [];
|
|
const { url, w, q } = query;
|
|
let href;
|
|
if (!url) {
|
|
return {
|
|
errorMessage: '"url" parameter is required'
|
|
};
|
|
} else if (Array.isArray(url)) {
|
|
return {
|
|
errorMessage: '"url" parameter cannot be an array'
|
|
};
|
|
}
|
|
let isAbsolute;
|
|
if (url.startsWith("/")) {
|
|
href = url;
|
|
isAbsolute = false;
|
|
} else {
|
|
let hrefParsed;
|
|
try {
|
|
hrefParsed = new URL(url);
|
|
href = hrefParsed.toString();
|
|
isAbsolute = true;
|
|
} catch (_error) {
|
|
return {
|
|
errorMessage: '"url" parameter is invalid'
|
|
};
|
|
}
|
|
if (![
|
|
"http:",
|
|
"https:"
|
|
].includes(hrefParsed.protocol)) {
|
|
return {
|
|
errorMessage: '"url" parameter is invalid'
|
|
};
|
|
}
|
|
if (!(0, _matchremotepattern.hasMatch)(domains, remotePatterns, hrefParsed)) {
|
|
return {
|
|
errorMessage: '"url" parameter is not allowed'
|
|
};
|
|
}
|
|
}
|
|
if (!w) {
|
|
return {
|
|
errorMessage: '"w" parameter (width) is required'
|
|
};
|
|
} else if (Array.isArray(w)) {
|
|
return {
|
|
errorMessage: '"w" parameter (width) cannot be an array'
|
|
};
|
|
}
|
|
if (!q) {
|
|
return {
|
|
errorMessage: '"q" parameter (quality) is required'
|
|
};
|
|
} else if (Array.isArray(q)) {
|
|
return {
|
|
errorMessage: '"q" parameter (quality) cannot be an array'
|
|
};
|
|
}
|
|
const width = parseInt(w, 10);
|
|
if (width <= 0 || isNaN(width)) {
|
|
return {
|
|
errorMessage: '"w" parameter (width) must be a number greater than 0'
|
|
};
|
|
}
|
|
const sizes = [
|
|
...deviceSizes || [],
|
|
...imageSizes || []
|
|
];
|
|
if (isDev) {
|
|
sizes.push(BLUR_IMG_SIZE);
|
|
}
|
|
const isValidSize = sizes.includes(width) || isDev && width <= BLUR_IMG_SIZE;
|
|
if (!isValidSize) {
|
|
return {
|
|
errorMessage: `"w" parameter (width) of ${width} is not allowed`
|
|
};
|
|
}
|
|
const quality = parseInt(q);
|
|
if (isNaN(quality) || quality < 1 || quality > 100) {
|
|
return {
|
|
errorMessage: '"q" parameter (quality) must be a number between 1 and 100'
|
|
};
|
|
}
|
|
const mimeType = getSupportedMimeType(formats || [], req.headers["accept"]);
|
|
const isStatic = url.startsWith(`${nextConfig.basePath || ""}/_next/static/media`);
|
|
return {
|
|
href,
|
|
sizes,
|
|
isAbsolute,
|
|
isStatic,
|
|
width,
|
|
quality,
|
|
mimeType,
|
|
minimumCacheTTL
|
|
};
|
|
}
|
|
static getCacheKey({ href, width, quality, mimeType }) {
|
|
return getHash([
|
|
CACHE_VERSION,
|
|
href,
|
|
width,
|
|
quality,
|
|
mimeType
|
|
]);
|
|
}
|
|
constructor({ distDir, nextConfig }){
|
|
this.cacheDir = (0, _path.join)(distDir, "cache", "images");
|
|
this.nextConfig = nextConfig;
|
|
}
|
|
async get(cacheKey) {
|
|
try {
|
|
const cacheDir = (0, _path.join)(this.cacheDir, cacheKey);
|
|
const files = await _fs.promises.readdir(cacheDir);
|
|
const now = Date.now();
|
|
for (const file of files){
|
|
const [maxAgeSt, expireAtSt, etag, extension] = file.split(".");
|
|
const buffer = await _fs.promises.readFile((0, _path.join)(cacheDir, file));
|
|
const expireAt = Number(expireAtSt);
|
|
const maxAge = Number(maxAgeSt);
|
|
return {
|
|
value: {
|
|
kind: "IMAGE",
|
|
etag,
|
|
buffer,
|
|
extension
|
|
},
|
|
revalidateAfter: Math.max(maxAge, this.nextConfig.images.minimumCacheTTL) * 1000 + Date.now(),
|
|
curRevalidate: maxAge,
|
|
isStale: now > expireAt
|
|
};
|
|
}
|
|
} catch (_) {
|
|
// failed to read from cache dir, treat as cache miss
|
|
}
|
|
return null;
|
|
}
|
|
async set(cacheKey, value, { revalidate }) {
|
|
if ((value == null ? void 0 : value.kind) !== "IMAGE") {
|
|
throw new Error("invariant attempted to set non-image to image-cache");
|
|
}
|
|
if (typeof revalidate !== "number") {
|
|
throw new Error("invariant revalidate must be a number for image-cache");
|
|
}
|
|
const expireAt = Math.max(revalidate, this.nextConfig.images.minimumCacheTTL) * 1000 + Date.now();
|
|
try {
|
|
await writeToCacheDir((0, _path.join)(this.cacheDir, cacheKey), value.extension, revalidate, expireAt, value.buffer, value.etag);
|
|
} catch (err) {
|
|
console.error(`Failed to write image to cache ${cacheKey}`, err);
|
|
}
|
|
}
|
|
}
|
|
class ImageError extends Error {
|
|
constructor(statusCode, message){
|
|
super(message);
|
|
// ensure an error status is used > 400
|
|
if (statusCode >= 400) {
|
|
this.statusCode = statusCode;
|
|
} else {
|
|
this.statusCode = 500;
|
|
}
|
|
}
|
|
}
|
|
function parseCacheControl(str) {
|
|
const map = new Map();
|
|
if (!str) {
|
|
return map;
|
|
}
|
|
for (let directive of str.split(",")){
|
|
let [key, value] = directive.trim().split("=");
|
|
key = key.toLowerCase();
|
|
if (value) {
|
|
value = value.toLowerCase();
|
|
}
|
|
map.set(key, value);
|
|
}
|
|
return map;
|
|
}
|
|
function getMaxAge(str) {
|
|
const map = parseCacheControl(str);
|
|
if (map) {
|
|
let age = map.get("s-maxage") || map.get("max-age") || "";
|
|
if (age.startsWith('"') && age.endsWith('"')) {
|
|
age = age.slice(1, -1);
|
|
}
|
|
const n = parseInt(age, 10);
|
|
if (!isNaN(n)) {
|
|
return n;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
async function optimizeImage({ buffer, contentType, quality, width, height, nextConfigOutput }) {
|
|
let optimizedBuffer = buffer;
|
|
if (sharp) {
|
|
// Begin sharp transformation logic
|
|
const transformer = sharp(buffer, {
|
|
sequentialRead: true
|
|
});
|
|
transformer.rotate();
|
|
if (height) {
|
|
transformer.resize(width, height);
|
|
} else {
|
|
transformer.resize(width, undefined, {
|
|
withoutEnlargement: true
|
|
});
|
|
}
|
|
if (contentType === AVIF) {
|
|
if (transformer.avif) {
|
|
const avifQuality = quality - 15;
|
|
transformer.avif({
|
|
quality: Math.max(avifQuality, 0),
|
|
chromaSubsampling: "4:2:0"
|
|
});
|
|
} else {
|
|
console.warn((0, _picocolors.yellow)((0, _picocolors.bold)("Warning: ")) + `Your installed version of the 'sharp' package does not support AVIF images. Run 'npm i sharp@latest' to upgrade to the latest version.\n` + "Read more: https://nextjs.org/docs/messages/sharp-version-avif");
|
|
transformer.webp({
|
|
quality
|
|
});
|
|
}
|
|
} else if (contentType === WEBP) {
|
|
transformer.webp({
|
|
quality
|
|
});
|
|
} else if (contentType === PNG) {
|
|
transformer.png({
|
|
quality
|
|
});
|
|
} else if (contentType === JPEG) {
|
|
transformer.jpeg({
|
|
quality
|
|
});
|
|
}
|
|
optimizedBuffer = await transformer.toBuffer();
|
|
// End sharp transformation logic
|
|
} else {
|
|
if (showSharpMissingWarning && nextConfigOutput === "standalone") {
|
|
console.error(`Error: 'sharp' is required to be installed in standalone mode for the image optimization to function correctly. Read more at: https://nextjs.org/docs/messages/sharp-missing-in-production`);
|
|
throw new ImageError(500, "Internal Server Error");
|
|
}
|
|
// Show sharp warning in production once
|
|
if (showSharpMissingWarning) {
|
|
console.warn((0, _picocolors.yellow)((0, _picocolors.bold)("Warning: ")) + `For production Image Optimization with Next.js, the optional 'sharp' package is strongly recommended. Run 'npm i sharp', and Next.js will use it automatically for Image Optimization.\n` + "Read more: https://nextjs.org/docs/messages/sharp-missing-in-production");
|
|
showSharpMissingWarning = false;
|
|
}
|
|
// Begin Squoosh transformation logic
|
|
const orientation = await (0, _getorientation.getOrientation)(buffer);
|
|
const operations = [];
|
|
if (orientation === _getorientation.Orientation.RIGHT_TOP) {
|
|
operations.push({
|
|
type: "rotate",
|
|
numRotations: 1
|
|
});
|
|
} else if (orientation === _getorientation.Orientation.BOTTOM_RIGHT) {
|
|
operations.push({
|
|
type: "rotate",
|
|
numRotations: 2
|
|
});
|
|
} else if (orientation === _getorientation.Orientation.LEFT_BOTTOM) {
|
|
operations.push({
|
|
type: "rotate",
|
|
numRotations: 3
|
|
});
|
|
} else {
|
|
// TODO: support more orientations
|
|
// eslint-disable-next-line @typescript-eslint/no-unused-vars
|
|
// const _: never = orientation
|
|
}
|
|
if (height) {
|
|
operations.push({
|
|
type: "resize",
|
|
width,
|
|
height
|
|
});
|
|
} else {
|
|
operations.push({
|
|
type: "resize",
|
|
width
|
|
});
|
|
}
|
|
const { processBuffer } = require("./lib/squoosh/main");
|
|
if (contentType === AVIF) {
|
|
optimizedBuffer = await processBuffer(buffer, operations, "avif", quality);
|
|
} else if (contentType === WEBP) {
|
|
optimizedBuffer = await processBuffer(buffer, operations, "webp", quality);
|
|
} else if (contentType === PNG) {
|
|
optimizedBuffer = await processBuffer(buffer, operations, "png", quality);
|
|
} else if (contentType === JPEG) {
|
|
optimizedBuffer = await processBuffer(buffer, operations, "jpeg", quality);
|
|
}
|
|
}
|
|
return optimizedBuffer;
|
|
}
|
|
async function imageOptimizer(_req, _res, paramsResult, nextConfig, isDev, handleRequest) {
|
|
let upstreamBuffer;
|
|
let upstreamType;
|
|
let maxAge;
|
|
const { isAbsolute, href, width, mimeType, quality } = paramsResult;
|
|
if (isAbsolute) {
|
|
const upstreamRes = await fetch(href);
|
|
if (!upstreamRes.ok) {
|
|
console.error("upstream image response failed for", href, upstreamRes.status);
|
|
throw new ImageError(upstreamRes.status, '"url" parameter is valid but upstream response is invalid');
|
|
}
|
|
upstreamBuffer = Buffer.from(await upstreamRes.arrayBuffer());
|
|
upstreamType = detectContentType(upstreamBuffer) || upstreamRes.headers.get("Content-Type");
|
|
maxAge = getMaxAge(upstreamRes.headers.get("Cache-Control"));
|
|
} else {
|
|
try {
|
|
const mocked = (0, _mockrequest.createRequestResponseMocks)({
|
|
url: href,
|
|
method: _req.method || "GET",
|
|
headers: _req.headers,
|
|
socket: _req.socket
|
|
});
|
|
await handleRequest(mocked.req, mocked.res, _url.default.parse(href, true));
|
|
await mocked.res.hasStreamed;
|
|
if (!mocked.res.statusCode) {
|
|
console.error("image response failed for", href, mocked.res.statusCode);
|
|
throw new ImageError(mocked.res.statusCode, '"url" parameter is valid but internal response is invalid');
|
|
}
|
|
upstreamBuffer = Buffer.concat(mocked.res.buffers);
|
|
upstreamType = detectContentType(upstreamBuffer) || mocked.res.getHeader("Content-Type");
|
|
const cacheControl = mocked.res.getHeader("Cache-Control");
|
|
maxAge = cacheControl ? getMaxAge(cacheControl) : 0;
|
|
} catch (err) {
|
|
console.error("upstream image response failed for", href, err);
|
|
throw new ImageError(500, '"url" parameter is valid but upstream response is invalid');
|
|
}
|
|
}
|
|
if (upstreamType) {
|
|
upstreamType = upstreamType.toLowerCase().trim();
|
|
if (upstreamType.startsWith("image/svg") && !nextConfig.images.dangerouslyAllowSVG) {
|
|
console.error(`The requested resource "${href}" has type "${upstreamType}" but dangerouslyAllowSVG is disabled`);
|
|
throw new ImageError(400, '"url" parameter is valid but image type is not allowed');
|
|
}
|
|
const vector = VECTOR_TYPES.includes(upstreamType);
|
|
const animate = ANIMATABLE_TYPES.includes(upstreamType) && (0, _isanimated.default)(upstreamBuffer);
|
|
if (vector || animate) {
|
|
return {
|
|
buffer: upstreamBuffer,
|
|
contentType: upstreamType,
|
|
maxAge
|
|
};
|
|
}
|
|
if (!upstreamType.startsWith("image/") || upstreamType.includes(",")) {
|
|
console.error("The requested resource isn't a valid image for", href, "received", upstreamType);
|
|
throw new ImageError(400, "The requested resource isn't a valid image.");
|
|
}
|
|
}
|
|
let contentType;
|
|
if (mimeType) {
|
|
contentType = mimeType;
|
|
} else if ((upstreamType == null ? void 0 : upstreamType.startsWith("image/")) && (0, _servestatic.getExtension)(upstreamType) && upstreamType !== WEBP && upstreamType !== AVIF) {
|
|
contentType = upstreamType;
|
|
} else {
|
|
contentType = JPEG;
|
|
}
|
|
try {
|
|
let optimizedBuffer = await optimizeImage({
|
|
buffer: upstreamBuffer,
|
|
contentType,
|
|
quality,
|
|
width,
|
|
nextConfigOutput: nextConfig.output
|
|
});
|
|
if (optimizedBuffer) {
|
|
if (isDev && width <= BLUR_IMG_SIZE && quality === BLUR_QUALITY) {
|
|
const { getMetadata } = require("./lib/squoosh/main");
|
|
// During `next dev`, we don't want to generate blur placeholders with webpack
|
|
// because it can delay starting the dev server. Instead, `next-image-loader.js`
|
|
// will inline a special url to lazily generate the blur placeholder at request time.
|
|
const meta = await getMetadata(optimizedBuffer);
|
|
const opts = {
|
|
blurWidth: meta.width,
|
|
blurHeight: meta.height,
|
|
blurDataURL: `data:${contentType};base64,${optimizedBuffer.toString("base64")}`
|
|
};
|
|
optimizedBuffer = Buffer.from(unescape((0, _imageblursvg.getImageBlurSvg)(opts)));
|
|
contentType = "image/svg+xml";
|
|
}
|
|
return {
|
|
buffer: optimizedBuffer,
|
|
contentType,
|
|
maxAge: Math.max(maxAge, nextConfig.images.minimumCacheTTL)
|
|
};
|
|
} else {
|
|
throw new ImageError(500, "Unable to optimize buffer");
|
|
}
|
|
} catch (error) {
|
|
if (upstreamBuffer && upstreamType) {
|
|
// If we fail to optimize, fallback to the original image
|
|
return {
|
|
buffer: upstreamBuffer,
|
|
contentType: upstreamType,
|
|
maxAge: nextConfig.images.minimumCacheTTL
|
|
};
|
|
} else {
|
|
throw new ImageError(400, "Unable to optimize image and unable to fallback to upstream image");
|
|
}
|
|
}
|
|
}
|
|
function getFileNameWithExtension(url, contentType) {
|
|
const [urlWithoutQueryParams] = url.split("?");
|
|
const fileNameWithExtension = urlWithoutQueryParams.split("/").pop();
|
|
if (!contentType || !fileNameWithExtension) {
|
|
return "image.bin";
|
|
}
|
|
const [fileName] = fileNameWithExtension.split(".");
|
|
const extension = (0, _servestatic.getExtension)(contentType);
|
|
return `${fileName}.${extension}`;
|
|
}
|
|
function setResponseHeaders(req, res, url, etag, contentType, isStatic, xCache, imagesConfig, maxAge, isDev) {
|
|
res.setHeader("Vary", "Accept");
|
|
res.setHeader("Cache-Control", isStatic ? "public, max-age=315360000, immutable" : `public, max-age=${isDev ? 0 : maxAge}, must-revalidate`);
|
|
if ((0, _sendpayload.sendEtagResponse)(req, res, etag)) {
|
|
// already called res.end() so we're finished
|
|
return {
|
|
finished: true
|
|
};
|
|
}
|
|
if (contentType) {
|
|
res.setHeader("Content-Type", contentType);
|
|
}
|
|
const fileName = getFileNameWithExtension(url, contentType);
|
|
res.setHeader("Content-Disposition", (0, _contentdisposition.default)(fileName, {
|
|
type: imagesConfig.contentDispositionType
|
|
}));
|
|
res.setHeader("Content-Security-Policy", imagesConfig.contentSecurityPolicy);
|
|
res.setHeader("X-Nextjs-Cache", xCache);
|
|
return {
|
|
finished: false
|
|
};
|
|
}
|
|
function sendResponse(req, res, url, extension, buffer, isStatic, xCache, imagesConfig, maxAge, isDev) {
|
|
const contentType = (0, _servestatic.getContentType)(extension);
|
|
const etag = getHash([
|
|
buffer
|
|
]);
|
|
const result = setResponseHeaders(req, res, url, etag, contentType, isStatic, xCache, imagesConfig, maxAge, isDev);
|
|
if (!result.finished) {
|
|
res.setHeader("Content-Length", Buffer.byteLength(buffer));
|
|
res.end(buffer);
|
|
}
|
|
}
|
|
async function getImageSize(buffer, // Should match VALID_BLUR_EXT
|
|
extension) {
|
|
// TODO: upgrade "image-size" package to support AVIF
|
|
// See https://github.com/image-size/image-size/issues/348
|
|
if (extension === "avif") {
|
|
if (sharp) {
|
|
const transformer = sharp(buffer);
|
|
const { width, height } = await transformer.metadata();
|
|
return {
|
|
width,
|
|
height
|
|
};
|
|
} else {
|
|
const { decodeBuffer } = require("./lib/squoosh/main");
|
|
const { width, height } = await decodeBuffer(buffer);
|
|
return {
|
|
width,
|
|
height
|
|
};
|
|
}
|
|
}
|
|
const { width, height } = (0, _imagesize.default)(buffer);
|
|
return {
|
|
width,
|
|
height
|
|
};
|
|
}
|
|
|
|
//# sourceMappingURL=image-optimizer.js.map
|