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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "getImgProps", {
enumerable: true,
get: function() {
return getImgProps;
}
});
const _warnonce = require("./utils/warn-once");
const _imageblursvg = require("./image-blur-svg");
const _imageconfig = require("./image-config");
const VALID_LOADING_VALUES = [
'lazy',
'eager',
undefined
];
// Object-fit values that are not valid background-size values
const INVALID_BACKGROUND_SIZE_VALUES = [
'-moz-initial',
'fill',
'none',
'scale-down',
undefined
];
function isStaticRequire(src) {
return src.default !== undefined;
}
function isStaticImageData(src) {
return src.src !== undefined;
}
function isStaticImport(src) {
return !!src && typeof src === 'object' && (isStaticRequire(src) || isStaticImageData(src));
}
const allImgs = new Map();
let perfObserver;
function getInt(x) {
if (typeof x === 'undefined') {
return x;
}
if (typeof x === 'number') {
return Number.isFinite(x) ? x : NaN;
}
if (typeof x === 'string' && /^[0-9]+$/.test(x)) {
return parseInt(x, 10);
}
return NaN;
}
function getWidths({ deviceSizes, allSizes }, width, sizes) {
if (sizes) {
// Find all the "vw" percent sizes used in the sizes prop
const viewportWidthRe = /(^|\s)(1?\d?\d)vw/g;
const percentSizes = [];
for(let match; match = viewportWidthRe.exec(sizes); match){
percentSizes.push(parseInt(match[2]));
}
if (percentSizes.length) {
const smallestRatio = Math.min(...percentSizes) * 0.01;
return {
widths: allSizes.filter((s)=>s >= deviceSizes[0] * smallestRatio),
kind: 'w'
};
}
return {
widths: allSizes,
kind: 'w'
};
}
if (typeof width !== 'number') {
return {
widths: deviceSizes,
kind: 'w'
};
}
const widths = [
...new Set(// > This means that most OLED screens that say they are 3x resolution,
// > are actually 3x in the green color, but only 1.5x in the red and
// > blue colors. Showing a 3x resolution image in the app vs a 2x
// > resolution image will be visually the same, though the 3x image
// > takes significantly more data. Even true 3x resolution screens are
// > wasteful as the human eye cannot see that level of detail without
// > something like a magnifying glass.
// https://blog.twitter.com/engineering/en_us/topics/infrastructure/2019/capping-image-fidelity-on-ultra-high-resolution-devices.html
[
width,
width * 2 /*, width * 3*/
].map((w)=>allSizes.find((p)=>p >= w) || allSizes[allSizes.length - 1]))
];
return {
widths,
kind: 'x'
};
}
function generateImgAttrs({ config, src, unoptimized, width, quality, sizes, loader }) {
if (unoptimized) {
return {
src,
srcSet: undefined,
sizes: undefined
};
}
const { widths, kind } = getWidths(config, width, sizes);
const last = widths.length - 1;
return {
sizes: !sizes && kind === 'w' ? '100vw' : sizes,
srcSet: widths.map((w, i)=>`${loader({
config,
src,
quality,
width: w
})} ${kind === 'w' ? w : i + 1}${kind}`).join(', '),
// It's intended to keep `src` the last attribute because React updates
// attributes in order. If we keep `src` the first one, Safari will
// immediately start to fetch `src`, before `sizes` and `srcSet` are even
// updated by React. That causes multiple unnecessary requests if `srcSet`
// and `sizes` are defined.
// This bug cannot be reproduced in Chrome or Firefox.
src: loader({
config,
src,
quality,
width: widths[last]
})
};
}
function getImgProps({ src, sizes, unoptimized = false, priority = false, preload = false, loading, className, quality, width, height, fill = false, style, overrideSrc, onLoad, onLoadingComplete, placeholder = 'empty', blurDataURL, fetchPriority, decoding = 'async', layout, objectFit, objectPosition, lazyBoundary, lazyRoot, ...rest }, _state) {
const { imgConf, showAltText, blurComplete, defaultLoader } = _state;
let config;
let c = imgConf || _imageconfig.imageConfigDefault;
if ('allSizes' in c) {
config = c;
} else {
const allSizes = [
...c.deviceSizes,
...c.imageSizes
].sort((a, b)=>a - b);
const deviceSizes = c.deviceSizes.sort((a, b)=>a - b);
const qualities = c.qualities?.sort((a, b)=>a - b);
config = {
...c,
allSizes,
deviceSizes,
qualities
};
}
if (typeof defaultLoader === 'undefined') {
throw Object.defineProperty(new Error('images.loaderFile detected but the file is missing default export.\nRead more: https://nextjs.org/docs/messages/invalid-images-config'), "__NEXT_ERROR_CODE", {
value: "E163",
enumerable: false,
configurable: true
});
}
let loader = rest.loader || defaultLoader;
// Remove property so it's not spread on <img> element
delete rest.loader;
delete rest.srcSet;
// This special value indicates that the user
// didn't define a "loader" prop or "loader" config.
const isDefaultLoader = '__next_img_default' in loader;
if (isDefaultLoader) {
if (config.loader === 'custom') {
throw Object.defineProperty(new Error(`Image with src "${src}" is missing "loader" prop.` + `\nRead more: https://nextjs.org/docs/messages/next-image-missing-loader`), "__NEXT_ERROR_CODE", {
value: "E252",
enumerable: false,
configurable: true
});
}
} else {
// The user defined a "loader" prop or config.
// Since the config object is internal only, we
// must not pass it to the user-defined "loader".
const customImageLoader = loader;
loader = (obj)=>{
const { config: _, ...opts } = obj;
return customImageLoader(opts);
};
}
if (layout) {
if (layout === 'fill') {
fill = true;
}
const layoutToStyle = {
intrinsic: {
maxWidth: '100%',
height: 'auto'
},
responsive: {
width: '100%',
height: 'auto'
}
};
const layoutToSizes = {
responsive: '100vw',
fill: '100vw'
};
const layoutStyle = layoutToStyle[layout];
if (layoutStyle) {
style = {
...style,
...layoutStyle
};
}
const layoutSizes = layoutToSizes[layout];
if (layoutSizes && !sizes) {
sizes = layoutSizes;
}
}
let staticSrc = '';
let widthInt = getInt(width);
let heightInt = getInt(height);
let blurWidth;
let blurHeight;
if (isStaticImport(src)) {
const staticImageData = isStaticRequire(src) ? src.default : src;
if (!staticImageData.src) {
throw Object.defineProperty(new Error(`An object should only be passed to the image component src parameter if it comes from a static image import. It must include src. Received ${JSON.stringify(staticImageData)}`), "__NEXT_ERROR_CODE", {
value: "E460",
enumerable: false,
configurable: true
});
}
if (!staticImageData.height || !staticImageData.width) {
throw Object.defineProperty(new Error(`An object should only be passed to the image component src parameter if it comes from a static image import. It must include height and width. Received ${JSON.stringify(staticImageData)}`), "__NEXT_ERROR_CODE", {
value: "E48",
enumerable: false,
configurable: true
});
}
blurWidth = staticImageData.blurWidth;
blurHeight = staticImageData.blurHeight;
blurDataURL = blurDataURL || staticImageData.blurDataURL;
staticSrc = staticImageData.src;
if (!fill) {
if (!widthInt && !heightInt) {
widthInt = staticImageData.width;
heightInt = staticImageData.height;
} else if (widthInt && !heightInt) {
const ratio = widthInt / staticImageData.width;
heightInt = Math.round(staticImageData.height * ratio);
} else if (!widthInt && heightInt) {
const ratio = heightInt / staticImageData.height;
widthInt = Math.round(staticImageData.width * ratio);
}
}
}
src = typeof src === 'string' ? src : staticSrc;
let isLazy = !priority && !preload && (loading === 'lazy' || typeof loading === 'undefined');
if (!src || src.startsWith('data:') || src.startsWith('blob:')) {
// https://developer.mozilla.org/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
unoptimized = true;
isLazy = false;
}
if (config.unoptimized) {
unoptimized = true;
}
if (isDefaultLoader && !config.dangerouslyAllowSVG && src.split('?', 1)[0].endsWith('.svg')) {
// Special case to make svg serve as-is to avoid proxying
// through the built-in Image Optimization API.
unoptimized = true;
}
const qualityInt = getInt(quality);
if (process.env.NODE_ENV !== 'production') {
if (config.output === 'export' && isDefaultLoader && !unoptimized) {
throw Object.defineProperty(new Error(`Image Optimization using the default loader is not compatible with \`{ output: 'export' }\`.
Possible solutions:
- Remove \`{ output: 'export' }\` and run "next start" to run server mode including the Image Optimization API.
- Configure \`{ images: { unoptimized: true } }\` in \`next.config.js\` to disable the Image Optimization API.
Read more: https://nextjs.org/docs/messages/export-image-api`), "__NEXT_ERROR_CODE", {
value: "E500",
enumerable: false,
configurable: true
});
}
if (!src) {
// React doesn't show the stack trace and there's
// no `src` to help identify which image, so we
// instead console.error(ref) during mount.
unoptimized = true;
} else {
if (fill) {
if (width) {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "width" and "fill" properties. Only one should be used.`), "__NEXT_ERROR_CODE", {
value: "E96",
enumerable: false,
configurable: true
});
}
if (height) {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "height" and "fill" properties. Only one should be used.`), "__NEXT_ERROR_CODE", {
value: "E115",
enumerable: false,
configurable: true
});
}
if (style?.position && style.position !== 'absolute') {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "fill" and "style.position" properties. Images with "fill" always use position absolute - it cannot be modified.`), "__NEXT_ERROR_CODE", {
value: "E216",
enumerable: false,
configurable: true
});
}
if (style?.width && style.width !== '100%') {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "fill" and "style.width" properties. Images with "fill" always use width 100% - it cannot be modified.`), "__NEXT_ERROR_CODE", {
value: "E73",
enumerable: false,
configurable: true
});
}
if (style?.height && style.height !== '100%') {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "fill" and "style.height" properties. Images with "fill" always use height 100% - it cannot be modified.`), "__NEXT_ERROR_CODE", {
value: "E404",
enumerable: false,
configurable: true
});
}
} else {
if (typeof widthInt === 'undefined') {
throw Object.defineProperty(new Error(`Image with src "${src}" is missing required "width" property.`), "__NEXT_ERROR_CODE", {
value: "E451",
enumerable: false,
configurable: true
});
} else if (isNaN(widthInt)) {
throw Object.defineProperty(new Error(`Image with src "${src}" has invalid "width" property. Expected a numeric value in pixels but received "${width}".`), "__NEXT_ERROR_CODE", {
value: "E66",
enumerable: false,
configurable: true
});
}
if (typeof heightInt === 'undefined') {
throw Object.defineProperty(new Error(`Image with src "${src}" is missing required "height" property.`), "__NEXT_ERROR_CODE", {
value: "E397",
enumerable: false,
configurable: true
});
} else if (isNaN(heightInt)) {
throw Object.defineProperty(new Error(`Image with src "${src}" has invalid "height" property. Expected a numeric value in pixels but received "${height}".`), "__NEXT_ERROR_CODE", {
value: "E444",
enumerable: false,
configurable: true
});
}
// eslint-disable-next-line no-control-regex
if (/^[\x00-\x20]/.test(src)) {
throw Object.defineProperty(new Error(`Image with src "${src}" cannot start with a space or control character. Use src.trimStart() to remove it or encodeURIComponent(src) to keep it.`), "__NEXT_ERROR_CODE", {
value: "E176",
enumerable: false,
configurable: true
});
}
// eslint-disable-next-line no-control-regex
if (/[\x00-\x20]$/.test(src)) {
throw Object.defineProperty(new Error(`Image with src "${src}" cannot end with a space or control character. Use src.trimEnd() to remove it or encodeURIComponent(src) to keep it.`), "__NEXT_ERROR_CODE", {
value: "E21",
enumerable: false,
configurable: true
});
}
}
}
if (!VALID_LOADING_VALUES.includes(loading)) {
throw Object.defineProperty(new Error(`Image with src "${src}" has invalid "loading" property. Provided "${loading}" should be one of ${VALID_LOADING_VALUES.map(String).join(',')}.`), "__NEXT_ERROR_CODE", {
value: "E357",
enumerable: false,
configurable: true
});
}
if (priority && loading === 'lazy') {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "priority" and "loading='lazy'" properties. Only one should be used.`), "__NEXT_ERROR_CODE", {
value: "E218",
enumerable: false,
configurable: true
});
}
if (preload && loading === 'lazy') {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "preload" and "loading='lazy'" properties. Only one should be used.`), "__NEXT_ERROR_CODE", {
value: "E803",
enumerable: false,
configurable: true
});
}
if (preload && priority) {
throw Object.defineProperty(new Error(`Image with src "${src}" has both "preload" and "priority" properties. Only "preload" should be used.`), "__NEXT_ERROR_CODE", {
value: "E802",
enumerable: false,
configurable: true
});
}
if (placeholder !== 'empty' && placeholder !== 'blur' && !placeholder.startsWith('data:image/')) {
throw Object.defineProperty(new Error(`Image with src "${src}" has invalid "placeholder" property "${placeholder}".`), "__NEXT_ERROR_CODE", {
value: "E431",
enumerable: false,
configurable: true
});
}
if (placeholder !== 'empty') {
if (widthInt && heightInt && widthInt * heightInt < 1600) {
(0, _warnonce.warnOnce)(`Image with src "${src}" is smaller than 40x40. Consider removing the "placeholder" property to improve performance.`);
}
}
if (qualityInt && config.qualities && !config.qualities.includes(qualityInt)) {
(0, _warnonce.warnOnce)(`Image with src "${src}" is using quality "${qualityInt}" which is not configured in images.qualities [${config.qualities.join(', ')}]. Please update your config to [${[
...config.qualities,
qualityInt
].sort().join(', ')}].` + `\nRead more: https://nextjs.org/docs/messages/next-image-unconfigured-qualities`);
}
if (placeholder === 'blur' && !blurDataURL) {
const VALID_BLUR_EXT = [
'jpeg',
'png',
'webp',
'avif'
] // should match next-image-loader
;
throw Object.defineProperty(new Error(`Image with src "${src}" has "placeholder='blur'" property but is missing the "blurDataURL" property.
Possible solutions:
- Add a "blurDataURL" property, the contents should be a small Data URL to represent the image
- Change the "src" property to a static import with one of the supported file types: ${VALID_BLUR_EXT.join(',')} (animated images not supported)
- Remove the "placeholder" property, effectively no blur effect
Read more: https://nextjs.org/docs/messages/placeholder-blur-data-url`), "__NEXT_ERROR_CODE", {
value: "E371",
enumerable: false,
configurable: true
});
}
if ('ref' in rest) {
(0, _warnonce.warnOnce)(`Image with src "${src}" is using unsupported "ref" property. Consider using the "onLoad" property instead.`);
}
if (!unoptimized && !isDefaultLoader) {
const urlStr = loader({
config,
src,
width: widthInt || 400,
quality: qualityInt || 75
});
let url;
try {
url = new URL(urlStr);
} catch (err) {}
if (urlStr === src || url && url.pathname === src && !url.search) {
(0, _warnonce.warnOnce)(`Image with src "${src}" has a "loader" property that does not implement width. Please implement it or use the "unoptimized" property instead.` + `\nRead more: https://nextjs.org/docs/messages/next-image-missing-loader-width`);
}
}
if (onLoadingComplete) {
(0, _warnonce.warnOnce)(`Image with src "${src}" is using deprecated "onLoadingComplete" property. Please use the "onLoad" property instead.`);
}
for (const [legacyKey, legacyValue] of Object.entries({
layout,
objectFit,
objectPosition,
lazyBoundary,
lazyRoot
})){
if (legacyValue) {
(0, _warnonce.warnOnce)(`Image with src "${src}" has legacy prop "${legacyKey}". Did you forget to run the codemod?` + `\nRead more: https://nextjs.org/docs/messages/next-image-upgrade-to-13`);
}
}
if (typeof window !== 'undefined' && !perfObserver && window.PerformanceObserver) {
perfObserver = new PerformanceObserver((entryList)=>{
for (const entry of entryList.getEntries()){
// @ts-ignore - missing "LargestContentfulPaint" class with "element" prop
const imgSrc = entry?.element?.src || '';
const lcpImage = allImgs.get(imgSrc);
if (lcpImage && lcpImage.loading === 'lazy' && lcpImage.placeholder === 'empty' && !lcpImage.src.startsWith('data:') && !lcpImage.src.startsWith('blob:')) {
// https://web.dev/lcp/#measure-lcp-in-javascript
(0, _warnonce.warnOnce)(`Image with src "${lcpImage.src}" was detected as the Largest Contentful Paint (LCP). Please add the \`loading="eager"\` property if this image is above the fold.` + `\nRead more: https://nextjs.org/docs/app/api-reference/components/image#loading`);
}
}
});
try {
perfObserver.observe({
type: 'largest-contentful-paint',
buffered: true
});
} catch (err) {
// Log error but don't crash the app
console.error(err);
}
}
}
const imgStyle = Object.assign(fill ? {
position: 'absolute',
height: '100%',
width: '100%',
left: 0,
top: 0,
right: 0,
bottom: 0,
objectFit,
objectPosition
} : {}, showAltText ? {} : {
color: 'transparent'
}, style);
const backgroundImage = !blurComplete && placeholder !== 'empty' ? placeholder === 'blur' ? `url("data:image/svg+xml;charset=utf-8,${(0, _imageblursvg.getImageBlurSvg)({
widthInt,
heightInt,
blurWidth,
blurHeight,
blurDataURL: blurDataURL || '',
objectFit: imgStyle.objectFit
})}")` : `url("${placeholder}")` // assume `data:image/`
: null;
const backgroundSize = !INVALID_BACKGROUND_SIZE_VALUES.includes(imgStyle.objectFit) ? imgStyle.objectFit : imgStyle.objectFit === 'fill' ? '100% 100%' // the background-size equivalent of `fill`
: 'cover';
let placeholderStyle = backgroundImage ? {
backgroundSize,
backgroundPosition: imgStyle.objectPosition || '50% 50%',
backgroundRepeat: 'no-repeat',
backgroundImage
} : {};
if (process.env.NODE_ENV === 'development') {
if (placeholderStyle.backgroundImage && placeholder === 'blur' && blurDataURL?.startsWith('/')) {
// During `next dev`, we don't want to generate blur placeholders with webpack
// because it can delay starting the dev server. Instead, `next-image-loader.js`
// will inline a special url to lazily generate the blur placeholder at request time.
placeholderStyle.backgroundImage = `url("${blurDataURL}")`;
}
}
const imgAttributes = generateImgAttrs({
config,
src,
unoptimized,
width: widthInt,
quality: qualityInt,
sizes,
loader
});
const loadingFinal = isLazy ? 'lazy' : loading;
if (process.env.NODE_ENV !== 'production') {
if (typeof window !== 'undefined') {
let fullUrl;
try {
fullUrl = new URL(imgAttributes.src);
} catch (e) {
fullUrl = new URL(imgAttributes.src, window.location.href);
}
allImgs.set(fullUrl.href, {
src,
loading: loadingFinal,
placeholder
});
}
}
const props = {
...rest,
loading: loadingFinal,
fetchPriority,
width: widthInt,
height: heightInt,
decoding,
className,
style: {
...imgStyle,
...placeholderStyle
},
sizes: imgAttributes.sizes,
srcSet: imgAttributes.srcSet,
src: overrideSrc || imgAttributes.src
};
const meta = {
unoptimized,
preload: preload || priority,
placeholder,
fill
};
return {
props,
meta
};
}
//# sourceMappingURL=get-img-props.js.map