next
Version:
The React Framework
851 lines (849 loc) • 34.4 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = Image;
var _react = _interopRequireWildcard(require("react"));
var _head = _interopRequireDefault(require("../shared/lib/head"));
var _imageConfig = require("../shared/lib/image-config");
var _useIntersection = require("./use-intersection");
var _imageConfigContext = require("../shared/lib/image-config-context");
var _utils = require("../shared/lib/utils");
var _normalizeTrailingSlash = require("./normalize-trailing-slash");
function Image(_param) {
var { src , sizes , unoptimized =false , priority =false , loading , lazyRoot =null , lazyBoundary ='200px' , className , quality , width , height , style , objectFit , objectPosition , onLoadingComplete , onError , placeholder ='empty' , blurDataURL } = _param, all = _objectWithoutProperties(_param, [
"src",
"sizes",
"unoptimized",
"priority",
"loading",
"lazyRoot",
"lazyBoundary",
"className",
"quality",
"width",
"height",
"style",
"objectFit",
"objectPosition",
"onLoadingComplete",
"onError",
"placeholder",
"blurDataURL"
]);
const configContext = (0, _react).useContext(_imageConfigContext.ImageConfigContext);
const config = (0, _react).useMemo(()=>{
const c = configEnv || configContext || _imageConfig.imageConfigDefault;
const allSizes = [
...c.deviceSizes,
...c.imageSizes
].sort((a, b)=>a - b
);
const deviceSizes = c.deviceSizes.sort((a, b)=>a - b
);
return _objectSpread({}, c, {
allSizes,
deviceSizes
});
}, [
configContext
]);
let rest = all;
let layout = sizes ? 'responsive' : 'intrinsic';
if ('layout' in rest) {
// Override default layout if the user specified one:
if (rest.layout) layout = rest.layout;
// Remove property so it's not spread on <img>:
delete rest.layout;
}
let loader = defaultImageLoader;
if ('loader' in rest) {
if (rest.loader) {
const customImageLoader = rest.loader;
var _tmp;
_tmp = (obj)=>{
const { config: _ } = obj, opts = _objectWithoutProperties(obj, [
"config"
]);
// The config object is internal only so we must
// not pass it to the user-defined loader()
return customImageLoader(opts);
}, loader = _tmp, _tmp;
}
// Remove property so it's not spread on <img>
delete rest.loader;
}
let staticSrc = '';
if (isStaticImport(src)) {
const staticImageData = isStaticRequire(src) ? src.default : src;
if (!staticImageData.src) {
throw 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)}`);
}
blurDataURL = blurDataURL || staticImageData.blurDataURL;
staticSrc = staticImageData.src;
if (!layout || layout !== 'fill') {
height = height || staticImageData.height;
width = width || staticImageData.width;
if (!staticImageData.height || !staticImageData.width) {
throw 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)}`);
}
}
}
src = typeof src === 'string' ? src : staticSrc;
const widthInt = getInt(width);
const heightInt = getInt(height);
const qualityInt = getInt(quality);
let isLazy = !priority && (loading === 'lazy' || typeof loading === 'undefined');
if (src.startsWith('data:') || src.startsWith('blob:')) {
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
unoptimized = true;
isLazy = false;
}
if (typeof window !== 'undefined' && loadedImageURLs.has(src)) {
isLazy = false;
}
const [blurComplete, setBlurComplete] = (0, _react).useState(false);
const [setIntersection, isIntersected, resetIntersected] = (0, _useIntersection).useIntersection({
rootRef: lazyRoot,
rootMargin: lazyBoundary,
disabled: !isLazy
});
const isVisible = !isLazy || isIntersected;
const wrapperStyle = {
boxSizing: 'border-box',
display: 'block',
overflow: 'hidden',
width: 'initial',
height: 'initial',
background: 'none',
opacity: 1,
border: 0,
margin: 0,
padding: 0
};
const sizerStyle = {
boxSizing: 'border-box',
display: 'block',
width: 'initial',
height: 'initial',
background: 'none',
opacity: 1,
border: 0,
margin: 0,
padding: 0
};
let hasSizer = false;
let sizerSvgUrl;
const layoutStyle = {
position: 'absolute',
top: 0,
left: 0,
bottom: 0,
right: 0,
boxSizing: 'border-box',
padding: 0,
border: 'none',
margin: 'auto',
display: 'block',
width: 0,
height: 0,
minWidth: '100%',
maxWidth: '100%',
minHeight: '100%',
maxHeight: '100%',
objectFit,
objectPosition
};
if (process.env.NODE_ENV !== 'production' && layout !== 'raw' && style) {}
if (process.env.NODE_ENV !== 'production') {
if (!src) {
throw new Error(`Image is missing required "src" property. Make sure you pass "src" in props to the \`next/image\` component. Received: ${JSON.stringify({
width,
height,
quality
})}`);
}
if (!VALID_LAYOUT_VALUES.includes(layout)) {
throw new Error(`Image with src "${src}" has invalid "layout" property. Provided "${layout}" should be one of ${VALID_LAYOUT_VALUES.map(String).join(',')}.`);
}
if (layout === 'raw' && !experimentalLayoutRaw) {
throw new Error(`The "raw" layout is currently experimental and may be subject to breaking changes. To use layout="raw", include \`experimental: { images: { layoutRaw: true } }\` in your next.config.js file.`);
}
if (typeof widthInt !== 'undefined' && isNaN(widthInt) || typeof heightInt !== 'undefined' && isNaN(heightInt)) {
throw new Error(`Image with src "${src}" has invalid "width" or "height" property. These should be numeric values.`);
}
if (layout === 'fill' && (width || height)) {
(0, _utils).warnOnce(`Image with src "${src}" and "layout='fill'" has unused properties assigned. Please remove "width" and "height".`);
}
if (!VALID_LOADING_VALUES.includes(loading)) {
throw new Error(`Image with src "${src}" has invalid "loading" property. Provided "${loading}" should be one of ${VALID_LOADING_VALUES.map(String).join(',')}.`);
}
if (priority && loading === 'lazy') {
throw new Error(`Image with src "${src}" has both "priority" and "loading='lazy'" properties. Only one should be used.`);
}
if (layout === 'raw' && (objectFit || objectPosition)) {
throw new Error(`Image with src "${src}" has "layout='raw'" and 'objectFit' or 'objectPosition'. For raw images, these and other styles should be specified using the 'style' attribute.`);
}
if (sizes && layout !== 'fill' && layout !== 'responsive' && layout !== 'raw') {
(0, _utils).warnOnce(`Image with src "${src}" has "sizes" property but it will be ignored. Only use "sizes" with "layout='fill'", "layout='responsive'", or "layout='raw'`);
}
if (placeholder === 'blur') {
if (layout !== 'fill' && (widthInt || 0) * (heightInt || 0) < 1600) {
(0, _utils).warnOnce(`Image with src "${src}" is smaller than 40x40. Consider removing the "placeholder='blur'" property to improve performance.`);
}
if (!blurDataURL) {
const VALID_BLUR_EXT = [
'jpeg',
'png',
'webp',
'avif'
] // should match next-image-loader
;
throw new Error(`Image with src "${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: ${VALID_BLUR_EXT.join(',')}
- Remove the "placeholder" property, effectively no blur effect
Read more: https://nextjs.org/docs/messages/placeholder-blur-data-url`);
}
}
if ('ref' in rest) {
(0, _utils).warnOnce(`Image with src "${src}" is using unsupported "ref" property. Consider using the "onLoadingComplete" property instead.`);
}
if (!unoptimized && loader !== defaultImageLoader) {
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, _utils).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 (style && layout !== 'raw') {
let overwrittenStyles = Object.keys(style).filter((key)=>key in layoutStyle
);
if (overwrittenStyles.length) {
(0, _utils).warnOnce(`Image with src ${src} is assigned the following styles, which are overwritten by automatically-generated styles: ${overwrittenStyles.join(', ')}`);
}
}
if (typeof window !== 'undefined' && !perfObserver && window.PerformanceObserver) {
perfObserver = new PerformanceObserver((entryList)=>{
for (const entry of entryList.getEntries()){
var ref1;
// @ts-ignore - missing "LargestContentfulPaint" class with "element" prop
const imgSrc = (entry === null || entry === void 0 ? void 0 : (ref1 = entry.element) === null || ref1 === void 0 ? void 0 : ref1.src) || '';
const lcpImage = allImgs.get(imgSrc);
if (lcpImage && !lcpImage.priority && lcpImage.placeholder !== 'blur' && !lcpImage.src.startsWith('data:') && !lcpImage.src.startsWith('blob:')) {
// https://web.dev/lcp/#measure-lcp-in-javascript
(0, _utils).warnOnce(`Image with src "${lcpImage.src}" was detected as the Largest Contentful Paint (LCP). Please add the "priority" property if this image is above the fold.` + `\nRead more: https://nextjs.org/docs/api-reference/next/image#priority`);
}
}
});
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({}, style, layout === 'raw' ? {
aspectRatio: `${widthInt} / ${heightInt}`
} : layoutStyle);
const blurStyle = placeholder === 'blur' && !blurComplete ? {
filter: 'blur(20px)',
backgroundSize: objectFit || 'cover',
backgroundImage: `url("${blurDataURL}")`,
backgroundPosition: objectPosition || '0% 0%'
} : {};
if (layout === 'fill') {
// <Image src="i.png" layout="fill" />
wrapperStyle.display = 'block';
wrapperStyle.position = 'absolute';
wrapperStyle.top = 0;
wrapperStyle.left = 0;
wrapperStyle.bottom = 0;
wrapperStyle.right = 0;
} else if (typeof widthInt !== 'undefined' && typeof heightInt !== 'undefined') {
// <Image src="i.png" width="100" height="100" />
const quotient = heightInt / widthInt;
const paddingTop = isNaN(quotient) ? '100%' : `${quotient * 100}%`;
if (layout === 'responsive') {
// <Image src="i.png" width="100" height="100" layout="responsive" />
wrapperStyle.display = 'block';
wrapperStyle.position = 'relative';
hasSizer = true;
sizerStyle.paddingTop = paddingTop;
} else if (layout === 'intrinsic') {
// <Image src="i.png" width="100" height="100" layout="intrinsic" />
wrapperStyle.display = 'inline-block';
wrapperStyle.position = 'relative';
wrapperStyle.maxWidth = '100%';
hasSizer = true;
sizerStyle.maxWidth = '100%';
sizerSvgUrl = `data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%27${widthInt}%27%20height=%27${heightInt}%27/%3e`;
} else if (layout === 'fixed') {
// <Image src="i.png" width="100" height="100" layout="fixed" />
wrapperStyle.display = 'inline-block';
wrapperStyle.position = 'relative';
wrapperStyle.width = widthInt;
wrapperStyle.height = heightInt;
}
} else {
// <Image src="i.png" />
if (process.env.NODE_ENV !== 'production') {
throw new Error(`Image with src "${src}" must use "width" and "height" properties or "layout='fill'" property.`);
}
}
let imgAttributes = {
src: emptyDataURL,
srcSet: undefined,
sizes: undefined
};
if (isVisible) {
imgAttributes = generateImgAttrs({
config,
src,
unoptimized,
layout,
width: widthInt,
quality: qualityInt,
sizes,
loader
});
}
let srcString = src;
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,
priority,
placeholder
});
}
}
let imageSrcSetPropName = 'imagesrcset';
let imageSizesPropName = 'imagesizes';
if (process.env.__NEXT_REACT_ROOT) {
imageSrcSetPropName = 'imageSrcSet';
imageSizesPropName = 'imageSizes';
}
const linkProps = {
// Note: imagesrcset and imagesizes are not in the link element type with react 17.
[imageSrcSetPropName]: imgAttributes.srcSet,
[imageSizesPropName]: imgAttributes.sizes
};
const useLayoutEffect = typeof window === 'undefined' ? _react.default.useEffect : _react.default.useLayoutEffect;
const onLoadingCompleteRef = (0, _react).useRef(onLoadingComplete);
const previousImageSrc = (0, _react).useRef(src);
(0, _react).useEffect(()=>{
onLoadingCompleteRef.current = onLoadingComplete;
}, [
onLoadingComplete
]);
useLayoutEffect(()=>{
if (previousImageSrc.current !== src) {
resetIntersected();
previousImageSrc.current = src;
}
}, [
resetIntersected,
src
]);
const imgElementArgs = _objectSpread({
isLazy,
imgAttributes,
heightInt,
widthInt,
qualityInt,
layout,
className,
imgStyle,
blurStyle,
loading,
config,
unoptimized,
placeholder,
loader,
srcString,
onLoadingCompleteRef,
setBlurComplete,
setIntersection,
isVisible
}, rest);
return(/*#__PURE__*/ _react.default.createElement(_react.default.Fragment, null, layout === 'raw' ? /*#__PURE__*/ _react.default.createElement(ImageElement, Object.assign({}, imgElementArgs)) : /*#__PURE__*/ _react.default.createElement("span", {
style: wrapperStyle
}, hasSizer ? /*#__PURE__*/ _react.default.createElement("span", {
style: sizerStyle
}, sizerSvgUrl ? /*#__PURE__*/ _react.default.createElement("img", {
style: {
display: 'block',
maxWidth: '100%',
width: 'initial',
height: 'initial',
background: 'none',
opacity: 1,
border: 0,
margin: 0,
padding: 0
},
alt: "",
"aria-hidden": true,
src: sizerSvgUrl
}) : null) : null, /*#__PURE__*/ _react.default.createElement(ImageElement, Object.assign({}, imgElementArgs))), priority ? // Note how we omit the `href` attribute, as it would only be relevant
// for browsers that do not support `imagesrcset`, and in those cases
// it would likely cause the incorrect image to be preloaded.
//
// https://html.spec.whatwg.org/multipage/semantics.html#attr-link-imagesrcset
/*#__PURE__*/ _react.default.createElement(_head.default, null, /*#__PURE__*/ _react.default.createElement("link", Object.assign({
key: '__nimg-' + imgAttributes.src + imgAttributes.srcSet + imgAttributes.sizes,
rel: "preload",
as: "image",
href: imgAttributes.srcSet ? undefined : imgAttributes.src
}, linkProps))) : null));
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
} else {
var newObj = {};
if (obj != null) {
for(var key in obj){
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {};
if (desc.get || desc.set) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
}
newObj.default = obj;
return newObj;
}
}
function _objectSpread(target) {
for(var i = 1; i < arguments.length; i++){
var source = arguments[i] != null ? arguments[i] : {};
var ownKeys = Object.keys(source);
if (typeof Object.getOwnPropertySymbols === "function") {
ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function(sym) {
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
}));
}
ownKeys.forEach(function(key) {
_defineProperty(target, key, source[key]);
});
}
return target;
}
function _objectWithoutProperties(source, excluded) {
if (source == null) return {};
var target = _objectWithoutPropertiesLoose(source, excluded);
var key, i;
if (Object.getOwnPropertySymbols) {
var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
for(i = 0; i < sourceSymbolKeys.length; i++){
key = sourceSymbolKeys[i];
if (excluded.indexOf(key) >= 0) continue;
if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
target[key] = source[key];
}
}
return target;
}
function _objectWithoutPropertiesLoose(source, excluded) {
if (source == null) return {};
var target = {};
var sourceKeys = Object.keys(source);
var key, i;
for(i = 0; i < sourceKeys.length; i++){
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
}
return target;
}
var ref;
const experimentalLayoutRaw = (ref = process.env.__NEXT_IMAGE_OPTS) === null || ref === void 0 ? void 0 : ref.experimentalLayoutRaw;
const configEnv = process.env.__NEXT_IMAGE_OPTS;
const loadedImageURLs = new Set();
const allImgs = new Map();
let perfObserver;
const emptyDataURL = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
if (typeof window === 'undefined') {
global.__NEXT_IMAGE_IMPORTED = true;
}
const VALID_LOADING_VALUES = [
'lazy',
'eager',
undefined
];
const loaders = new Map([
[
'default',
defaultLoader
],
[
'imgix',
imgixLoader
],
[
'cloudinary',
cloudinaryLoader
],
[
'akamai',
akamaiLoader
],
[
'custom',
customLoader
],
]);
const VALID_LAYOUT_VALUES = [
'fill',
'fixed',
'intrinsic',
'responsive',
'raw',
undefined,
];
function isStaticRequire(src) {
return src.default !== undefined;
}
function isStaticImageData(src) {
return src.src !== undefined;
}
function isStaticImport(src) {
return typeof src === 'object' && (isStaticRequire(src) || isStaticImageData(src));
}
function getWidths({ deviceSizes , allSizes }, width, layout, sizes) {
if (sizes && (layout === 'fill' || layout === 'responsive' || layout === 'raw')) {
// 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' || layout === 'fill' || layout === 'responsive') {
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 , layout , width , quality , sizes , loader }) {
if (unoptimized) {
return {
src,
srcSet: undefined,
sizes: undefined
};
}
const { widths , kind } = getWidths(config, width, layout, 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 getInt(x) {
if (typeof x === 'number') {
return x;
}
if (typeof x === 'string') {
return parseInt(x, 10);
}
return undefined;
}
function defaultImageLoader(loaderProps) {
var ref2;
const loaderKey = ((ref2 = loaderProps.config) === null || ref2 === void 0 ? void 0 : ref2.loader) || 'default';
const load = loaders.get(loaderKey);
if (load) {
return load(loaderProps);
}
throw new Error(`Unknown "loader" found in "next.config.js". Expected: ${_imageConfig.VALID_LOADERS.join(', ')}. Received: ${loaderKey}`);
}
// See https://stackoverflow.com/q/39777833/266535 for why we use this ref
// handler instead of the img's onLoad attribute.
function handleLoading(img, src, layout, placeholder, onLoadingCompleteRef, setBlurComplete) {
if (!img || img.src === emptyDataURL || img['data-loaded-src'] === src) {
return;
}
img['data-loaded-src'] = src;
const p = 'decode' in img ? img.decode() : Promise.resolve();
p.catch(()=>{}).then(()=>{
if (!img.parentNode) {
// Exit early in case of race condition:
// - onload() is called
// - decode() is called but incomplete
// - unmount is called
// - decode() completes
return;
}
loadedImageURLs.add(src);
if (placeholder === 'blur') {
setBlurComplete(true);
}
if (onLoadingCompleteRef === null || onLoadingCompleteRef === void 0 ? void 0 : onLoadingCompleteRef.current) {
const { naturalWidth , naturalHeight } = img;
// Pass back read-only primitive values but not the
// underlying DOM element because it could be misused.
onLoadingCompleteRef.current({
naturalWidth,
naturalHeight
});
}
if (process.env.NODE_ENV !== 'production') {
var ref3;
if ((ref3 = img.parentElement) === null || ref3 === void 0 ? void 0 : ref3.parentElement) {
const parent = getComputedStyle(img.parentElement.parentElement);
if (!parent.position) {
// The parent has not been rendered to the dom yet and therefore it has no position. Skip the warnings for such cases.
} else if (layout === 'responsive' && parent.display === 'flex') {
(0, _utils).warnOnce(`Image with src "${src}" may not render properly as a child of a flex container. Consider wrapping the image with a div to configure the width.`);
} else if (layout === 'fill' && parent.position !== 'relative' && parent.position !== 'fixed' && parent.position !== 'absolute') {
(0, _utils).warnOnce(`Image with src "${src}" may not render properly with a parent using position:"${parent.position}". Consider changing the parent style to position:"relative" with a width and height.`);
}
}
}
});
}
const ImageElement = (_param)=>{
var { imgAttributes , heightInt , widthInt , qualityInt , layout , className , imgStyle , blurStyle , isLazy , placeholder , loading , srcString , config , unoptimized , loader , onLoadingCompleteRef , setBlurComplete , setIntersection , onError , isVisible } = _param, rest = _objectWithoutProperties(_param, [
"imgAttributes",
"heightInt",
"widthInt",
"qualityInt",
"layout",
"className",
"imgStyle",
"blurStyle",
"isLazy",
"placeholder",
"loading",
"srcString",
"config",
"unoptimized",
"loader",
"onLoadingCompleteRef",
"setBlurComplete",
"setIntersection",
"onError",
"isVisible"
]);
return(/*#__PURE__*/ _react.default.createElement(_react.default.Fragment, null, /*#__PURE__*/ _react.default.createElement("img", Object.assign({}, rest, imgAttributes, layout === 'raw' && !imgAttributes.sizes ? {
height: heightInt,
width: widthInt
} : {}, {
decoding: "async",
"data-nimg": layout,
className: className,
style: _objectSpread({}, imgStyle, blurStyle),
ref: (0, _react).useCallback((img)=>{
setIntersection(img);
if (img === null || img === void 0 ? void 0 : img.complete) {
handleLoading(img, srcString, layout, placeholder, onLoadingCompleteRef, setBlurComplete);
}
}, [
setIntersection,
srcString,
layout,
placeholder,
onLoadingCompleteRef,
setBlurComplete,
]),
onLoad: (event)=>{
const img = event.currentTarget;
handleLoading(img, srcString, layout, placeholder, onLoadingCompleteRef, setBlurComplete);
},
onError: (event)=>{
if (placeholder === 'blur') {
// If the real image fails to load, this will still remove the placeholder.
setBlurComplete(true);
}
if (onError) {
onError(event);
}
}
})), (isLazy || placeholder === 'blur') && /*#__PURE__*/ _react.default.createElement("noscript", null, /*#__PURE__*/ _react.default.createElement("img", Object.assign({}, rest, generateImgAttrs({
config,
src: srcString,
unoptimized,
layout,
width: widthInt,
quality: qualityInt,
sizes: imgAttributes.sizes,
loader
}), layout === 'raw' && !imgAttributes.sizes ? {
height: heightInt,
width: widthInt
} : {}, {
decoding: "async",
"data-nimg": layout,
style: imgStyle,
className: className,
// @ts-ignore - TODO: upgrade to `@types/react@17`
loading: loading || 'lazy'
})))));
};
function normalizeSrc(src) {
return src[0] === '/' ? src.slice(1) : src;
}
function imgixLoader({ config , src , width , quality }) {
// Demo: https://static.imgix.net/daisy.png?auto=format&fit=max&w=300
const url = new URL(`${config.path}${normalizeSrc(src)}`);
const params = url.searchParams;
params.set('auto', params.get('auto') || 'format');
params.set('fit', params.get('fit') || 'max');
params.set('w', params.get('w') || width.toString());
if (quality) {
params.set('q', quality.toString());
}
return url.href;
}
function akamaiLoader({ config , src , width }) {
return `${config.path}${normalizeSrc(src)}?imwidth=${width}`;
}
function cloudinaryLoader({ config , src , width , quality }) {
// Demo: https://res.cloudinary.com/demo/image/upload/w_300,c_limit,q_auto/turtles.jpg
const params = [
'f_auto',
'c_limit',
'w_' + width,
'q_' + (quality || 'auto')
];
const paramsString = params.join(',') + '/';
return `${config.path}${paramsString}${normalizeSrc(src)}`;
}
function customLoader({ src }) {
throw new Error(`Image with src "${src}" is missing "loader" prop.` + `\nRead more: https://nextjs.org/docs/messages/next-image-missing-loader`);
}
function defaultLoader({ config , src , width , quality }) {
if (process.env.NODE_ENV !== 'production') {
const missingValues = [];
// these should always be provided but make sure they are
if (!src) missingValues.push('src');
if (!width) missingValues.push('width');
if (missingValues.length > 0) {
throw new Error(`Next Image Optimization requires ${missingValues.join(', ')} to be provided. Make sure you pass them as props to the \`next/image\` component. Received: ${JSON.stringify({
src,
width,
quality
})}`);
}
if (src.startsWith('//')) {
throw new Error(`Failed to parse src "${src}" on \`next/image\`, protocol-relative URL (//) must be changed to an absolute URL (http:// or https://)`);
}
if (!src.startsWith('/') && config.domains) {
let parsedSrc;
try {
parsedSrc = new URL(src);
} catch (err) {
console.error(err);
throw new Error(`Failed to parse src "${src}" on \`next/image\`, if using relative image it must start with a leading slash "/" or be an absolute URL (http:// or https://)`);
}
if (process.env.NODE_ENV !== 'test' && !config.domains.includes(parsedSrc.hostname)) {
throw new Error(`Invalid src prop (${src}) on \`next/image\`, hostname "${parsedSrc.hostname}" is not configured under images in your \`next.config.js\`\n` + `See more info: https://nextjs.org/docs/messages/next-image-unconfigured-host`);
}
}
}
if (src.endsWith('.svg') && !config.dangerouslyAllowSVG) {
// Special case to make svg serve as-is to avoid proxying
// through the built-in Image Optimization API.
return src;
}
return `${(0, _normalizeTrailingSlash).normalizePathTrailingSlash(config.path)}?url=${encodeURIComponent(src)}&w=${width}&q=${quality || 75}`;
}
if (typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) {
Object.assign(exports.default, exports);
module.exports = exports.default;
}
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