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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/blur.js
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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/blur.js
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import isAnimated from 'next/dist/compiled/is-animated';
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import { optimizeImage } from '../../../../server/image-optimizer';
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const BLUR_IMG_SIZE = 8;
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const BLUR_QUALITY = 70;
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const VALID_BLUR_EXT = [
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'jpeg',
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'png',
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'webp',
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'avif'
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] // should match other usages
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;
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export async function getBlurImage(content, extension, imageSize, { basePath, outputPath, isDev, tracing = ()=>({
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traceFn: (fn)=>(...args)=>fn(...args),
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traceAsyncFn: (fn)=>(...args)=>fn(...args)
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}) }) {
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let blurDataURL;
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let blurWidth = 0;
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let blurHeight = 0;
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if (VALID_BLUR_EXT.includes(extension) && !isAnimated(content)) {
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// Shrink the image's largest dimension
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if (imageSize.width >= imageSize.height) {
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blurWidth = BLUR_IMG_SIZE;
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blurHeight = Math.max(Math.round(imageSize.height / imageSize.width * BLUR_IMG_SIZE), 1);
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} else {
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blurWidth = Math.max(Math.round(imageSize.width / imageSize.height * BLUR_IMG_SIZE), 1);
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blurHeight = BLUR_IMG_SIZE;
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}
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if (isDev) {
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// During `next dev`, we don't want to generate blur placeholders with webpack
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// because it can delay starting the dev server. Instead, we inline a
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// special url to lazily generate the blur placeholder at request time.
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const prefix = 'http://localhost';
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const url = new URL(`${basePath || ''}/_next/image`, prefix);
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url.searchParams.set('url', outputPath);
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url.searchParams.set('w', String(blurWidth));
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url.searchParams.set('q', String(BLUR_QUALITY));
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blurDataURL = url.href.slice(prefix.length);
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} else {
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const resizeImageSpan = tracing('image-resize');
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const resizedImage = await resizeImageSpan.traceAsyncFn(()=>optimizeImage({
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buffer: content,
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width: blurWidth,
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height: blurHeight,
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contentType: `image/${extension}`,
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quality: BLUR_QUALITY
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}));
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const blurDataURLSpan = tracing('image-base64-tostring');
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blurDataURL = blurDataURLSpan.traceFn(()=>`data:image/${extension};base64,${resizedImage.toString('base64')}`);
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}
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}
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return {
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dataURL: blurDataURL,
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width: blurWidth,
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height: blurHeight
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};
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}
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//# sourceMappingURL=blur.js.map
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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/blur.js.map
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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/blur.js.map
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{"version":3,"sources":["../../../../../src/build/webpack/loaders/next-image-loader/blur.ts"],"sourcesContent":["import isAnimated from 'next/dist/compiled/is-animated'\nimport { optimizeImage } from '../../../../server/image-optimizer'\n\nconst BLUR_IMG_SIZE = 8\nconst BLUR_QUALITY = 70\nconst VALID_BLUR_EXT = ['jpeg', 'png', 'webp', 'avif'] // should match other usages\n\nexport async function getBlurImage(\n content: Buffer,\n extension: string,\n imageSize: { width: number; height: number },\n {\n basePath,\n outputPath,\n isDev,\n tracing = () => ({\n traceFn:\n (fn) =>\n (...args: any) =>\n fn(...args),\n traceAsyncFn:\n (fn) =>\n (...args: any) =>\n fn(...args),\n }),\n }: {\n basePath: string\n outputPath: string\n isDev: boolean\n tracing: (name?: string) => {\n traceFn(fn: Function): any\n traceAsyncFn(fn: Function): any\n }\n }\n) {\n let blurDataURL: string | undefined\n let blurWidth: number = 0\n let blurHeight: number = 0\n\n if (VALID_BLUR_EXT.includes(extension) && !isAnimated(content)) {\n // Shrink the image's largest dimension\n if (imageSize.width >= imageSize.height) {\n blurWidth = BLUR_IMG_SIZE\n blurHeight = Math.max(\n Math.round((imageSize.height / imageSize.width) * BLUR_IMG_SIZE),\n 1\n )\n } else {\n blurWidth = Math.max(\n Math.round((imageSize.width / imageSize.height) * BLUR_IMG_SIZE),\n 1\n )\n blurHeight = BLUR_IMG_SIZE\n }\n\n if (isDev) {\n // During `next dev`, we don't want to generate blur placeholders with webpack\n // because it can delay starting the dev server. Instead, we inline a\n // special url to lazily generate the blur placeholder at request time.\n const prefix = 'http://localhost'\n const url = new URL(`${basePath || ''}/_next/image`, prefix)\n url.searchParams.set('url', outputPath)\n url.searchParams.set('w', String(blurWidth))\n url.searchParams.set('q', String(BLUR_QUALITY))\n blurDataURL = url.href.slice(prefix.length)\n } else {\n const resizeImageSpan = tracing('image-resize')\n const resizedImage = await resizeImageSpan.traceAsyncFn(() =>\n optimizeImage({\n buffer: content,\n width: blurWidth,\n height: blurHeight,\n contentType: `image/${extension}`,\n quality: BLUR_QUALITY,\n })\n )\n const blurDataURLSpan = tracing('image-base64-tostring')\n blurDataURL = blurDataURLSpan.traceFn(\n () =>\n `data:image/${extension};base64,${resizedImage.toString('base64')}`\n )\n }\n }\n return {\n dataURL: blurDataURL,\n width: blurWidth,\n height: blurHeight,\n }\n}\n"],"names":["isAnimated","optimizeImage","BLUR_IMG_SIZE","BLUR_QUALITY","VALID_BLUR_EXT","getBlurImage","content","extension","imageSize","basePath","outputPath","isDev","tracing","traceFn","fn","args","traceAsyncFn","blurDataURL","blurWidth","blurHeight","includes","width","height","Math","max","round","prefix","url","URL","searchParams","set","String","href","slice","length","resizeImageSpan","resizedImage","buffer","contentType","quality","blurDataURLSpan","toString","dataURL"],"mappings":"AAAA,OAAOA,gBAAgB,iCAAgC;AACvD,SAASC,aAAa,QAAQ,qCAAoC;AAElE,MAAMC,gBAAgB;AACtB,MAAMC,eAAe;AACrB,MAAMC,iBAAiB;IAAC;IAAQ;IAAO;IAAQ;CAAO,CAAC,4BAA4B;;AAEnF,OAAO,eAAeC,aACpBC,OAAe,EACfC,SAAiB,EACjBC,SAA4C,EAC5C,EACEC,QAAQ,EACRC,UAAU,EACVC,KAAK,EACLC,UAAU,IAAO,CAAA;QACfC,SACE,CAACC,KACD,CAAC,GAAGC,OACFD,MAAMC;QACVC,cACE,CAACF,KACD,CAAC,GAAGC,OACFD,MAAMC;IACZ,CAAA,CAAE,EASH;IAED,IAAIE;IACJ,IAAIC,YAAoB;IACxB,IAAIC,aAAqB;IAEzB,IAAIf,eAAegB,QAAQ,CAACb,cAAc,CAACP,WAAWM,UAAU;QAC9D,uCAAuC;QACvC,IAAIE,UAAUa,KAAK,IAAIb,UAAUc,MAAM,EAAE;YACvCJ,YAAYhB;YACZiB,aAAaI,KAAKC,GAAG,CACnBD,KAAKE,KAAK,CAAC,AAACjB,UAAUc,MAAM,GAAGd,UAAUa,KAAK,GAAInB,gBAClD;QAEJ,OAAO;YACLgB,YAAYK,KAAKC,GAAG,CAClBD,KAAKE,KAAK,CAAC,AAACjB,UAAUa,KAAK,GAAGb,UAAUc,MAAM,GAAIpB,gBAClD;YAEFiB,aAAajB;QACf;QAEA,IAAIS,OAAO;YACT,8EAA8E;YAC9E,qEAAqE;YACrE,uEAAuE;YACvE,MAAMe,SAAS;YACf,MAAMC,MAAM,IAAIC,IAAI,GAAGnB,YAAY,GAAG,YAAY,CAAC,EAAEiB;YACrDC,IAAIE,YAAY,CAACC,GAAG,CAAC,OAAOpB;YAC5BiB,IAAIE,YAAY,CAACC,GAAG,CAAC,KAAKC,OAAOb;YACjCS,IAAIE,YAAY,CAACC,GAAG,CAAC,KAAKC,OAAO5B;YACjCc,cAAcU,IAAIK,IAAI,CAACC,KAAK,CAACP,OAAOQ,MAAM;QAC5C,OAAO;YACL,MAAMC,kBAAkBvB,QAAQ;YAChC,MAAMwB,eAAe,MAAMD,gBAAgBnB,YAAY,CAAC,IACtDf,cAAc;oBACZoC,QAAQ/B;oBACRe,OAAOH;oBACPI,QAAQH;oBACRmB,aAAa,CAAC,MAAM,EAAE/B,WAAW;oBACjCgC,SAASpC;gBACX;YAEF,MAAMqC,kBAAkB5B,QAAQ;YAChCK,cAAcuB,gBAAgB3B,OAAO,CACnC,IACE,CAAC,WAAW,EAAEN,UAAU,QAAQ,EAAE6B,aAAaK,QAAQ,CAAC,WAAW;QAEzE;IACF;IACA,OAAO;QACLC,SAASzB;QACTI,OAAOH;QACPI,QAAQH;IACV;AACF"}
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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/index.js
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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/index.js
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import path from 'path';
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import loaderUtils from 'next/dist/compiled/loader-utils3';
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import { getImageSize } from '../../../../server/image-optimizer';
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import { getBlurImage } from './blur';
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function nextImageLoader(content) {
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const imageLoaderSpan = this.currentTraceSpan.traceChild('next-image-loader');
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return imageLoaderSpan.traceAsyncFn(async ()=>{
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const options = this.getOptions();
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const { compilerType, isDev, assetPrefix, basePath } = options;
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const context = this.rootContext;
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const opts = {
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context,
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content
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};
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const interpolatedName = loaderUtils.interpolateName(this, '/static/media/[name].[hash:8].[ext]', opts);
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const outputPath = assetPrefix + '/_next' + interpolatedName;
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let extension = loaderUtils.interpolateName(this, '[ext]', opts);
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if (extension === 'jpg') {
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extension = 'jpeg';
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}
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const imageSizeSpan = imageLoaderSpan.traceChild('image-size-calculation');
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const imageSize = await imageSizeSpan.traceAsyncFn(()=>getImageSize(content).catch((err)=>err));
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if (imageSize instanceof Error) {
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const err = imageSize;
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err.name = 'InvalidImageFormatError';
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throw err;
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}
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const { dataURL: blurDataURL, width: blurWidth, height: blurHeight } = await getBlurImage(content, extension, imageSize, {
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basePath,
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outputPath,
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isDev,
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tracing: imageLoaderSpan.traceChild.bind(imageLoaderSpan)
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});
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const stringifiedData = imageLoaderSpan.traceChild('image-data-stringify').traceFn(()=>JSON.stringify({
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src: outputPath,
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height: imageSize.height,
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width: imageSize.width,
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blurDataURL,
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blurWidth,
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blurHeight
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}));
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if (compilerType === 'client') {
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this.emitFile(interpolatedName, content, null);
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} else {
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this.emitFile(path.join('..', isDev || compilerType === 'edge-server' ? '' : '..', interpolatedName), content, null);
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}
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return `export default ${stringifiedData};`;
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});
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}
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export const raw = true;
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export default nextImageLoader;
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//# sourceMappingURL=index.js.map
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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/index.js.map
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node_modules/next/dist/esm/build/webpack/loaders/next-image-loader/index.js.map
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{"version":3,"sources":["../../../../../src/build/webpack/loaders/next-image-loader/index.ts"],"sourcesContent":["import type { CompilerNameValues } from '../../../../shared/lib/constants'\n\nimport path from 'path'\nimport loaderUtils from 'next/dist/compiled/loader-utils3'\nimport { getImageSize } from '../../../../server/image-optimizer'\nimport { getBlurImage } from './blur'\n\ninterface Options {\n compilerType: CompilerNameValues\n isDev: boolean\n assetPrefix: string\n basePath: string\n}\n\nfunction nextImageLoader(this: any, content: Buffer) {\n const imageLoaderSpan = this.currentTraceSpan.traceChild('next-image-loader')\n return imageLoaderSpan.traceAsyncFn(async () => {\n const options: Options = this.getOptions()\n const { compilerType, isDev, assetPrefix, basePath } = options\n const context = this.rootContext\n\n const opts = { context, content }\n const interpolatedName = loaderUtils.interpolateName(\n this,\n '/static/media/[name].[hash:8].[ext]',\n opts\n )\n const outputPath = assetPrefix + '/_next' + interpolatedName\n let extension = loaderUtils.interpolateName(this, '[ext]', opts)\n if (extension === 'jpg') {\n extension = 'jpeg'\n }\n\n const imageSizeSpan = imageLoaderSpan.traceChild('image-size-calculation')\n const imageSize = await imageSizeSpan.traceAsyncFn(() =>\n getImageSize(content).catch((err) => err)\n )\n\n if (imageSize instanceof Error) {\n const err = imageSize\n err.name = 'InvalidImageFormatError'\n throw err\n }\n\n const {\n dataURL: blurDataURL,\n width: blurWidth,\n height: blurHeight,\n } = await getBlurImage(content, extension, imageSize, {\n basePath,\n outputPath,\n isDev,\n tracing: imageLoaderSpan.traceChild.bind(imageLoaderSpan),\n })\n\n const stringifiedData = imageLoaderSpan\n .traceChild('image-data-stringify')\n .traceFn(() =>\n JSON.stringify({\n src: outputPath,\n height: imageSize.height,\n width: imageSize.width,\n blurDataURL,\n blurWidth,\n blurHeight,\n })\n )\n\n if (compilerType === 'client') {\n this.emitFile(interpolatedName, content, null)\n } else {\n this.emitFile(\n path.join(\n '..',\n isDev || compilerType === 'edge-server' ? '' : '..',\n interpolatedName\n ),\n content,\n null\n )\n }\n\n return `export default ${stringifiedData};`\n })\n}\nexport const raw = true\nexport default nextImageLoader\n"],"names":["path","loaderUtils","getImageSize","getBlurImage","nextImageLoader","content","imageLoaderSpan","currentTraceSpan","traceChild","traceAsyncFn","options","getOptions","compilerType","isDev","assetPrefix","basePath","context","rootContext","opts","interpolatedName","interpolateName","outputPath","extension","imageSizeSpan","imageSize","catch","err","Error","name","dataURL","blurDataURL","width","blurWidth","height","blurHeight","tracing","bind","stringifiedData","traceFn","JSON","stringify","src","emitFile","join","raw"],"mappings":"AAEA,OAAOA,UAAU,OAAM;AACvB,OAAOC,iBAAiB,mCAAkC;AAC1D,SAASC,YAAY,QAAQ,qCAAoC;AACjE,SAASC,YAAY,QAAQ,SAAQ;AASrC,SAASC,gBAA2BC,OAAe;IACjD,MAAMC,kBAAkB,IAAI,CAACC,gBAAgB,CAACC,UAAU,CAAC;IACzD,OAAOF,gBAAgBG,YAAY,CAAC;QAClC,MAAMC,UAAmB,IAAI,CAACC,UAAU;QACxC,MAAM,EAAEC,YAAY,EAAEC,KAAK,EAAEC,WAAW,EAAEC,QAAQ,EAAE,GAAGL;QACvD,MAAMM,UAAU,IAAI,CAACC,WAAW;QAEhC,MAAMC,OAAO;YAAEF;YAASX;QAAQ;QAChC,MAAMc,mBAAmBlB,YAAYmB,eAAe,CAClD,IAAI,EACJ,uCACAF;QAEF,MAAMG,aAAaP,cAAc,WAAWK;QAC5C,IAAIG,YAAYrB,YAAYmB,eAAe,CAAC,IAAI,EAAE,SAASF;QAC3D,IAAII,cAAc,OAAO;YACvBA,YAAY;QACd;QAEA,MAAMC,gBAAgBjB,gBAAgBE,UAAU,CAAC;QACjD,MAAMgB,YAAY,MAAMD,cAAcd,YAAY,CAAC,IACjDP,aAAaG,SAASoB,KAAK,CAAC,CAACC,MAAQA;QAGvC,IAAIF,qBAAqBG,OAAO;YAC9B,MAAMD,MAAMF;YACZE,IAAIE,IAAI,GAAG;YACX,MAAMF;QACR;QAEA,MAAM,EACJG,SAASC,WAAW,EACpBC,OAAOC,SAAS,EAChBC,QAAQC,UAAU,EACnB,GAAG,MAAM/B,aAAaE,SAASiB,WAAWE,WAAW;YACpDT;YACAM;YACAR;YACAsB,SAAS7B,gBAAgBE,UAAU,CAAC4B,IAAI,CAAC9B;QAC3C;QAEA,MAAM+B,kBAAkB/B,gBACrBE,UAAU,CAAC,wBACX8B,OAAO,CAAC,IACPC,KAAKC,SAAS,CAAC;gBACbC,KAAKpB;gBACLY,QAAQT,UAAUS,MAAM;gBACxBF,OAAOP,UAAUO,KAAK;gBACtBD;gBACAE;gBACAE;YACF;QAGJ,IAAItB,iBAAiB,UAAU;YAC7B,IAAI,CAAC8B,QAAQ,CAACvB,kBAAkBd,SAAS;QAC3C,OAAO;YACL,IAAI,CAACqC,QAAQ,CACX1C,KAAK2C,IAAI,CACP,MACA9B,SAASD,iBAAiB,gBAAgB,KAAK,MAC/CO,mBAEFd,SACA;QAEJ;QAEA,OAAO,CAAC,eAAe,EAAEgC,gBAAgB,CAAC,CAAC;IAC7C;AACF;AACA,OAAO,MAAMO,MAAM,KAAI;AACvB,eAAexC,gBAAe"}
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