Initial commit

This commit is contained in:
Alejandro Martinez
2026-02-12 02:04:10 +01:00
commit f09af719cf
13433 changed files with 2193445 additions and 0 deletions

1
node_modules/astro/dist/assets/utils/etag.d.ts generated vendored Normal file
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export declare const etag: (payload: string, weak?: boolean) => string;

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node_modules/astro/dist/assets/utils/etag.js generated vendored Normal file
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const fnv1a52 = (str) => {
const len = str.length;
let i = 0, t0 = 0, v0 = 8997, t1 = 0, v1 = 33826, t2 = 0, v2 = 40164, t3 = 0, v3 = 52210;
while (i < len) {
v0 ^= str.charCodeAt(i++);
t0 = v0 * 435;
t1 = v1 * 435;
t2 = v2 * 435;
t3 = v3 * 435;
t2 += v0 << 8;
t3 += v1 << 8;
t1 += t0 >>> 16;
v0 = t0 & 65535;
t2 += t1 >>> 16;
v1 = t1 & 65535;
v3 = t3 + (t2 >>> 16) & 65535;
v2 = t2 & 65535;
}
return (v3 & 15) * 281474976710656 + v2 * 4294967296 + v1 * 65536 + (v0 ^ v3 >> 4);
};
const etag = (payload, weak = false) => {
const prefix = weak ? 'W/"' : '"';
return prefix + fnv1a52(payload).toString(36) + payload.length.toString(36) + '"';
};
export {
etag
};

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import type { AssetsPrefix } from '../../core/app/types.js';
export declare function getAssetsPrefix(fileExtension: string, assetsPrefix?: AssetsPrefix): string;

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function getAssetsPrefix(fileExtension, assetsPrefix) {
let prefix = "";
if (!assetsPrefix) {
prefix = "";
} else if (typeof assetsPrefix === "string") {
prefix = assetsPrefix;
} else {
const dotLessFileExtension = fileExtension.slice(1);
prefix = assetsPrefix[dotLessFileExtension] || assetsPrefix.fallback;
}
return prefix;
}
export {
getAssetsPrefix
};

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export declare const cssFitValues: string[];
export declare function addCSSVarsToStyle(vars: Record<string, string | false | undefined>, styles?: string | Record<string, any>): string;

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import { toStyleString } from "../../runtime/server/render/util.js";
const cssFitValues = ["fill", "contain", "cover", "scale-down"];
function addCSSVarsToStyle(vars, styles) {
const cssVars = Object.entries(vars).filter(([_, value]) => value !== void 0 && value !== false).map(([key, value]) => `--${key}: ${value};`).join(" ");
if (!styles) {
return cssVars;
}
const style = typeof styles === "string" ? styles : toStyleString(styles);
return `${cssVars} ${style}`;
}
export {
addCSSVarsToStyle,
cssFitValues
};

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node_modules/astro/dist/assets/utils/imageKind.d.ts generated vendored Normal file
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import type { ImageMetadata, UnresolvedImageTransform } from '../types.js';
/**
* Determines if the given source is an ECMAScript Module (ESM) imported image.
*
* @param {ImageMetadata | string} src - The source to check. It can be an `ImageMetadata` object or a string.
* @return {boolean} Returns `true` if the source is an `ImageMetadata` object, otherwise `false`.
*/
export declare function isESMImportedImage(src: ImageMetadata | string): src is ImageMetadata;
/**
* Determines if the provided source is a remote image URL in the form of a string.
*
* @param {ImageMetadata | string} src - The source to check, which can either be an `ImageMetadata` object or a string.
* @return {boolean} Returns `true` if the source is a string, otherwise `false`.
*/
export declare function isRemoteImage(src: ImageMetadata | string): src is string;
/**
* Resolves the source of an image transformation by handling asynchronous or synchronous inputs.
*
* @param {UnresolvedImageTransform['src']} src - The source of the image transformation.
* @return {Promise<string | ImageMetadata>} A promise that resolves to the image source. It returns either the default export of the resolved source or the resolved source itself if the default export doesn't exist.
*/
export declare function resolveSrc(src: UnresolvedImageTransform['src']): Promise<string | ImageMetadata>;

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node_modules/astro/dist/assets/utils/imageKind.js generated vendored Normal file
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function isESMImportedImage(src) {
return typeof src === "object" || typeof src === "function" && "src" in src;
}
function isRemoteImage(src) {
return typeof src === "string";
}
async function resolveSrc(src) {
if (typeof src === "object" && "then" in src) {
const resource = await src;
return resource.default ?? resource;
}
return src;
}
export {
isESMImportedImage,
isRemoteImage,
resolveSrc
};

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node_modules/astro/dist/assets/utils/index.d.ts generated vendored Normal file
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/**
* NOTE: this is a public module exposed to the user, so all functions exposed
* here must be documented via JsDoc and in the docs website.
*
* If some functions don't need to be exposed, just import the file that contains the functions.
*/
export { isRemoteAllowed, matchHostname, matchPathname, matchPattern, matchPort, matchProtocol, type RemotePattern, } from '@astrojs/internal-helpers/remote';
export { isESMImportedImage, isRemoteImage, resolveSrc } from './imageKind.js';
export { imageMetadata } from './metadata.js';
export {
/**
* @deprecated
*/
emitESMImage, emitImageMetadata, } from './node/emitAsset.js';
export { getOrigQueryParams } from './queryParams.js';
export { inferRemoteSize } from './remoteProbe.js';
export { hashTransform, propsToFilename } from './transformToPath.js';

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node_modules/astro/dist/assets/utils/index.js generated vendored Normal file
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import {
isRemoteAllowed,
matchHostname,
matchPathname,
matchPattern,
matchPort,
matchProtocol
} from "@astrojs/internal-helpers/remote";
import { isESMImportedImage, isRemoteImage, resolveSrc } from "./imageKind.js";
import { imageMetadata } from "./metadata.js";
import {
emitESMImage,
emitImageMetadata
} from "./node/emitAsset.js";
import { getOrigQueryParams } from "./queryParams.js";
import { inferRemoteSize } from "./remoteProbe.js";
import { hashTransform, propsToFilename } from "./transformToPath.js";
export {
emitESMImage,
emitImageMetadata,
getOrigQueryParams,
hashTransform,
imageMetadata,
inferRemoteSize,
isESMImportedImage,
isRemoteAllowed,
isRemoteImage,
matchHostname,
matchPathname,
matchPattern,
matchPort,
matchProtocol,
propsToFilename,
resolveSrc
};

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node_modules/astro/dist/assets/utils/metadata.d.ts generated vendored Normal file
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import type { ImageMetadata } from '../types.js';
/**
* Extracts image metadata such as dimensions, format, and orientation from the provided image data.
*
* @param {Uint8Array} data - The binary data of the image.
* @param {string} [src] - The source path or URL of the image, used for error messages. Optional.
* @return {Promise<Omit<ImageMetadata, 'src' | 'fsPath'>>} A promise that resolves with the extracted metadata, excluding `src` and `fsPath`.
* @throws {AstroError} Throws an error if the image metadata cannot be extracted.
*/
export declare function imageMetadata(data: Uint8Array, src?: string): Promise<Omit<ImageMetadata, 'src' | 'fsPath'>>;

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node_modules/astro/dist/assets/utils/metadata.js generated vendored Normal file
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import { AstroError, AstroErrorData } from "../../core/errors/index.js";
import { lookup as probe } from "../utils/vendor/image-size/lookup.js";
async function imageMetadata(data, src) {
let result;
try {
result = probe(data);
} catch {
throw new AstroError({
...AstroErrorData.NoImageMetadata,
message: AstroErrorData.NoImageMetadata.message(src)
});
}
if (!result.height || !result.width || !result.type) {
throw new AstroError({
...AstroErrorData.NoImageMetadata,
message: AstroErrorData.NoImageMetadata.message(src)
});
}
const { width, height, type, orientation } = result;
const isPortrait = (orientation || 0) >= 5;
return {
width: isPortrait ? height : width,
height: isPortrait ? width : height,
format: type,
orientation
};
}
export {
imageMetadata
};

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import type * as vite from 'vite';
import type { ImageMetadata } from '../../types.js';
type FileEmitter = vite.Rollup.EmitFile;
type ImageMetadataWithContents = ImageMetadata & {
contents?: Buffer;
};
/**
* Processes an image file and emits its metadata and optionally its contents. This function supports both build and development modes.
*
* @param {string | undefined} id - The identifier or path of the image file to process. If undefined, the function returns immediately.
* @param {boolean} _watchMode - **Deprecated**: Indicates if the method is operating in watch mode. This parameter will be removed or updated in the future.
* @param {boolean} _experimentalSvgEnabled - **Deprecated**: A flag to enable experimental handling of SVG files. Embeds SVG file data if set to true.
* @param {FileEmitter | undefined} [fileEmitter] - Function for emitting files during the build process. May throw in certain scenarios.
* @return {Promise<ImageMetadataWithContents | undefined>} Resolves to metadata with optional image contents or `undefined` if processing fails.
*/
export declare function emitESMImage(id: string | undefined,
/** @deprecated */
_watchMode: boolean,
/** @deprecated */
_experimentalSvgEnabled: boolean, fileEmitter?: FileEmitter): Promise<ImageMetadataWithContents | undefined>;
/**
* Processes an image file and emits its metadata and optionally its contents. This function supports both build and development modes.
*
* @param {string | undefined} id - The identifier or path of the image file to process. If undefined, the function returns immediately.
* @param {FileEmitter | undefined} [fileEmitter] - Function for emitting files during the build process. May throw in certain scenarios.
* @return {Promise<ImageMetadataWithContents | undefined>} Resolves to metadata with optional image contents or `undefined` if processing fails.
*/
export declare function emitImageMetadata(id: string | undefined, fileEmitter?: FileEmitter): Promise<ImageMetadataWithContents | undefined>;
export {};

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node_modules/astro/dist/assets/utils/node/emitAsset.js generated vendored Normal file
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import fs from "node:fs/promises";
import path from "node:path";
import { fileURLToPath, pathToFileURL } from "node:url";
import { generateContentHash } from "../../../core/encryption.js";
import { prependForwardSlash, slash } from "../../../core/path.js";
import { imageMetadata } from "../metadata.js";
const svgContentCache = /* @__PURE__ */ new WeakMap();
const keyRegistry = /* @__PURE__ */ new Map();
function keyFor(hash) {
let key = keyRegistry.get(hash);
if (!key) {
key = { hash };
keyRegistry.set(hash, key);
}
return key;
}
async function handleSvgDeduplication(fileData, filename, fileEmitter) {
const contentHash = await generateContentHash(fileData.buffer);
const key = keyFor(contentHash);
const existing = svgContentCache.get(key);
if (existing) {
const handle = fileEmitter({
name: existing.filename,
source: fileData,
type: "asset"
});
return handle;
} else {
const handle = fileEmitter({
name: filename,
source: fileData,
type: "asset"
});
svgContentCache.set(key, { handle, filename });
return handle;
}
}
async function emitESMImage(id, _watchMode, _experimentalSvgEnabled, fileEmitter) {
if (!id) {
return void 0;
}
const url = pathToFileURL(id);
let fileData;
try {
fileData = await fs.readFile(url);
} catch {
return void 0;
}
const fileMetadata = await imageMetadata(fileData, id);
const emittedImage = {
src: "",
...fileMetadata
};
Object.defineProperty(emittedImage, "fsPath", {
enumerable: false,
writable: false,
value: id
});
let isBuild = typeof fileEmitter === "function";
if (isBuild) {
const pathname = decodeURI(url.pathname);
const filename = path.basename(pathname, path.extname(pathname) + `.${fileMetadata.format}`);
try {
let handle;
if (fileMetadata.format === "svg") {
handle = await handleSvgDeduplication(fileData, filename, fileEmitter);
} else {
handle = fileEmitter({
name: filename,
source: fileData,
type: "asset"
});
}
emittedImage.src = `__ASTRO_ASSET_IMAGE__${handle}__`;
} catch {
isBuild = false;
}
}
if (!isBuild) {
url.searchParams.append("origWidth", fileMetadata.width.toString());
url.searchParams.append("origHeight", fileMetadata.height.toString());
url.searchParams.append("origFormat", fileMetadata.format);
emittedImage.src = `/@fs` + prependForwardSlash(fileURLToNormalizedPath(url));
}
return emittedImage;
}
async function emitImageMetadata(id, fileEmitter) {
if (!id) {
return void 0;
}
const url = pathToFileURL(id);
let fileData;
try {
fileData = await fs.readFile(url);
} catch {
return void 0;
}
const fileMetadata = await imageMetadata(fileData, id);
const emittedImage = {
src: "",
...fileMetadata
};
Object.defineProperty(emittedImage, "fsPath", {
enumerable: false,
writable: false,
value: id
});
let isBuild = typeof fileEmitter === "function";
if (isBuild) {
const pathname = decodeURI(url.pathname);
const filename = path.basename(pathname, path.extname(pathname) + `.${fileMetadata.format}`);
try {
let handle;
if (fileMetadata.format === "svg") {
handle = await handleSvgDeduplication(fileData, filename, fileEmitter);
} else {
handle = fileEmitter({
name: filename,
source: fileData,
type: "asset"
});
}
emittedImage.src = `__ASTRO_ASSET_IMAGE__${handle}__`;
} catch {
isBuild = false;
}
}
if (!isBuild) {
url.searchParams.append("origWidth", fileMetadata.width.toString());
url.searchParams.append("origHeight", fileMetadata.height.toString());
url.searchParams.append("origFormat", fileMetadata.format);
emittedImage.src = `/@fs` + prependForwardSlash(fileURLToNormalizedPath(url));
}
return emittedImage;
}
function fileURLToNormalizedPath(filePath) {
return slash(fileURLToPath(filePath) + filePath.search).replace(/\\/g, "/");
}
export {
emitESMImage,
emitImageMetadata
};

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node_modules/astro/dist/assets/utils/proxy.d.ts generated vendored Normal file
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import type { ImageMetadata } from '../types.js';
export declare function getProxyCode(options: ImageMetadata, isSSR: boolean): string;

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node_modules/astro/dist/assets/utils/proxy.js generated vendored Normal file
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function getProxyCode(options, isSSR) {
const stringifiedFSPath = JSON.stringify(options.fsPath);
return `
new Proxy(${JSON.stringify(options)}, {
get(target, name, receiver) {
if (name === 'clone') {
return structuredClone(target);
}
if (name === 'fsPath') {
return ${stringifiedFSPath};
}
${!isSSR ? `if (target[name] !== undefined && globalThis.astroAsset) globalThis.astroAsset?.referencedImages.add(${stringifiedFSPath});` : ""}
return target[name];
}
})
`;
}
export {
getProxyCode
};

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import type { ImageMetadata } from '../types.js';
/**
* Extracts the original image query parameters (width, height, format) from the given `URLSearchParams` object
* and returns them as an object. If any of the required parameters are missing or invalid, the function returns undefined.
*
* The `width` and `height` are parsed to integer values.
*
* @param {URLSearchParams} params - The `URLSearchParams` object containing the query parameters.
* @return {Pick<ImageMetadata, 'width' | 'height' | 'format'> | undefined} An object with the original image parameters (width, height, format) or undefined if any parameter is missing.
*/
export declare function getOrigQueryParams(params: URLSearchParams): Pick<ImageMetadata, 'width' | 'height' | 'format'> | undefined;

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node_modules/astro/dist/assets/utils/queryParams.js generated vendored Normal file
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function getOrigQueryParams(params) {
const width = params.get("origWidth");
const height = params.get("origHeight");
const format = params.get("origFormat");
if (!width || !height || !format) {
return void 0;
}
return {
width: parseInt(width),
height: parseInt(height),
format
};
}
export {
getOrigQueryParams
};

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import type { ImageMetadata } from '../types.js';
/**
* Infers the dimensions of a remote image by streaming its data and analyzing it progressively until sufficient metadata is available.
*
* @param {string} url - The URL of the remote image from which to infer size metadata.
* @return {Promise<Omit<ImageMetadata, 'src' | 'fsPath'>>} Returns a promise that resolves to an object containing the image dimensions metadata excluding `src` and `fsPath`.
* @throws {AstroError} Thrown when the fetching fails or metadata cannot be extracted.
*/
export declare function inferRemoteSize(url: string): Promise<Omit<ImageMetadata, 'src' | 'fsPath'>>;

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import { AstroError, AstroErrorData } from "../../core/errors/index.js";
import { imageMetadata } from "./metadata.js";
async function inferRemoteSize(url) {
const response = await fetch(url);
if (!response.body || !response.ok) {
throw new AstroError({
...AstroErrorData.FailedToFetchRemoteImageDimensions,
message: AstroErrorData.FailedToFetchRemoteImageDimensions.message(url)
});
}
const reader = response.body.getReader();
let done, value;
let accumulatedChunks = new Uint8Array();
while (!done) {
const readResult = await reader.read();
done = readResult.done;
if (done) break;
if (readResult.value) {
value = readResult.value;
let tmp = new Uint8Array(accumulatedChunks.length + value.length);
tmp.set(accumulatedChunks, 0);
tmp.set(value, accumulatedChunks.length);
accumulatedChunks = tmp;
try {
const dimensions = await imageMetadata(accumulatedChunks, url);
if (dimensions) {
await reader.cancel();
return dimensions;
}
} catch {
}
}
}
throw new AstroError({
...AstroErrorData.NoImageMetadata,
message: AstroErrorData.NoImageMetadata.message(url)
});
}
export {
inferRemoteSize
};

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/**
* Resolves an image src from a content file (such as markdown) to a module ID or import that can be resolved by Vite.
*
* @param imageSrc The src attribute of an image tag
* @param filePath The path to the file that contains the imagem relative to the site root
* @returns A module id of the image that can be rsolved by Vite, or undefined if it is not a local image
*/
export declare function imageSrcToImportId(imageSrc: string, filePath?: string): string | undefined;
export declare const importIdToSymbolName: (importId: string) => string;

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import { isRemotePath, removeBase } from "@astrojs/internal-helpers/path";
import { CONTENT_IMAGE_FLAG, IMAGE_IMPORT_PREFIX } from "../../content/consts.js";
import { shorthash } from "../../runtime/server/shorthash.js";
import { VALID_INPUT_FORMATS } from "../consts.js";
function imageSrcToImportId(imageSrc, filePath) {
imageSrc = removeBase(imageSrc, IMAGE_IMPORT_PREFIX);
if (isRemotePath(imageSrc)) {
return;
}
const ext = imageSrc.split(".").at(-1)?.toLowerCase();
if (!ext || !VALID_INPUT_FORMATS.includes(ext)) {
return;
}
const params = new URLSearchParams(CONTENT_IMAGE_FLAG);
if (filePath) {
params.set("importer", filePath);
}
return `${imageSrc}?${params.toString()}`;
}
const importIdToSymbolName = (importId) => `__ASTRO_IMAGE_IMPORT_${shorthash(importId)}`;
export {
imageSrcToImportId,
importIdToSymbolName
};

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node_modules/astro/dist/assets/utils/svg.d.ts generated vendored Normal file
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import type { AstroConfig } from '../../types/public/config.js';
import type { ImageMetadata } from '../types.js';
export declare function makeSvgComponent(meta: ImageMetadata, contents: Buffer | string, svgoConfig: AstroConfig['experimental']['svgo']): string;

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node_modules/astro/dist/assets/utils/svg.js generated vendored Normal file
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import { optimize } from "svgo";
import { parse, renderSync } from "ultrahtml";
import { AstroError, AstroErrorData } from "../../core/errors/index.js";
import { dropAttributes } from "../runtime.js";
function parseSvg({
path,
contents,
svgoConfig
}) {
let processedContents = contents;
if (svgoConfig) {
try {
const config = typeof svgoConfig === "boolean" ? void 0 : svgoConfig;
const result = optimize(contents, config);
processedContents = result.data;
} catch (cause) {
throw new AstroError(
{
...AstroErrorData.CannotOptimizeSvg,
message: AstroErrorData.CannotOptimizeSvg.message(path)
},
{ cause }
);
}
}
const root = parse(processedContents);
const svgNode = root.children.find(
({ name, type }) => type === 1 && name === "svg"
);
if (!svgNode) {
throw new Error("SVG file does not contain an <svg> element");
}
const { attributes, children } = svgNode;
const body = renderSync({ ...root, children });
return { attributes, body };
}
function makeSvgComponent(meta, contents, svgoConfig) {
const file = typeof contents === "string" ? contents : contents.toString("utf-8");
const { attributes, body: children } = parseSvg({
path: meta.fsPath,
contents: file,
svgoConfig
});
const props = {
meta,
attributes: dropAttributes(attributes),
children
};
return `import { createSvgComponent } from 'astro/assets/runtime';
export default createSvgComponent(${JSON.stringify(props)})`;
}
export {
makeSvgComponent
};

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import type { ImageTransform } from '../types.js';
/**
* Converts a file path and transformation properties of the transformation image service, into a formatted filename.
*
* The formatted filename follows this structure:
*
* `<prefixDirname>/<baseFilename>_<hash><outputExtension>`
*
* - `prefixDirname`: If the image is an ESM imported image, this is the directory name of the original file path; otherwise, it will be an empty string.
* - `baseFilename`: The base name of the file or a hashed short name if the file is a `data:` URI.
* - `hash`: A unique hash string generated to distinguish the transformed file.
* - `outputExtension`: The desired output file extension derived from the `transform.format` or the original file extension.
*
* ## Example
* - Input: `filePath = '/images/photo.jpg'`, `transform = { format: 'png', src: '/images/photo.jpg' }`, `hash = 'abcd1234'`.
* - Output: `/images/photo_abcd1234.png`
*
* @param {string} filePath - The original file path or data URI of the source image.
* @param {ImageTransform} transform - An object representing the transformation properties, including format and source.
* @param {string} hash - A unique hash used to differentiate the transformed file.
* @return {string} The generated filename based on the provided input, transformations, and hash.
*/
export declare function propsToFilename(filePath: string, transform: ImageTransform, hash: string): string;
/**
* Transforms the provided `transform` object into a hash string based on selected properties
* and the specified `imageService`.
*
* @param {ImageTransform} transform - The transform object containing various image transformation properties.
* @param {string} imageService - The name of the image service related to the transform.
* @param {string[]} propertiesToHash - An array of property names from the `transform` object that should be used to generate the hash.
* @return {string} A hashed string created from the specified properties of the `transform` object and the image service.
*/
export declare function hashTransform(transform: ImageTransform, imageService: string, propertiesToHash: string[]): string;

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import { basename, dirname, extname } from "node:path";
import { deterministicString } from "deterministic-object-hash";
import { removeQueryString } from "../../core/path.js";
import { shorthash } from "../../runtime/server/shorthash.js";
import { isESMImportedImage } from "./imageKind.js";
const INVALID_CHAR_REGEX = /[\u0000-\u001F"#$%&*+,:;<=>?[\]^`{|}\u007F]/g;
function propsToFilename(filePath, transform, hash) {
let filename = decodeURIComponent(removeQueryString(filePath));
const ext = extname(filename);
if (filePath.startsWith("data:")) {
filename = shorthash(filePath);
} else {
filename = basename(filename, ext).replace(INVALID_CHAR_REGEX, "_");
}
const prefixDirname = isESMImportedImage(transform.src) ? dirname(filePath) : "";
let outputExt = transform.format ? `.${transform.format}` : ext;
return `${prefixDirname}/${filename}_${hash}${outputExt}`;
}
function hashTransform(transform, imageService, propertiesToHash) {
const hashFields = propertiesToHash.reduce(
(acc, prop) => {
acc[prop] = transform[prop];
return acc;
},
{ imageService }
);
return shorthash(deterministicString(hashFields));
}
export {
hashTransform,
propsToFilename
};

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node_modules/astro/dist/assets/utils/url.d.ts generated vendored Normal file
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/**
* Creates a URL object from a path or URL string, using a placeholder base for relative paths.
* This allows safe manipulation of URLs using the native URL API.
*
* @param pathOrUrl - A relative path (e.g., '/_astro/image.png') or absolute URL (e.g., 'https://cdn.example.com/...')
* @returns A URL object that can be safely manipulated
*/
export declare function createPlaceholderURL(pathOrUrl: string): URL;
/**
* Extracts the pathname and search parameters from a URL created with `createPlaceholderURL`.
* Removes the placeholder base, returning just the path and query string.
*
* @param url - A URL object created with `createPlaceholderURL`
* @returns The URL string without the placeholder base
*/
export declare function stringifyPlaceholderURL(url: URL): string;

11
node_modules/astro/dist/assets/utils/url.js generated vendored Normal file
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const PLACEHOLDER_BASE = "astro://placeholder";
function createPlaceholderURL(pathOrUrl) {
return new URL(pathOrUrl, PLACEHOLDER_BASE);
}
function stringifyPlaceholderURL(url) {
return url.href.replace(PLACEHOLDER_BASE, "");
}
export {
createPlaceholderURL,
stringifyPlaceholderURL
};

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import type { imageType } from './types/index.ts';
export declare function detector(input: Uint8Array): imageType | undefined;

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import { typeHandlers, types } from "./types/index.js";
const firstBytes = /* @__PURE__ */ new Map([
[0, "heif"],
[56, "psd"],
[66, "bmp"],
[68, "dds"],
[71, "gif"],
[73, "tiff"],
[77, "tiff"],
[82, "webp"],
[105, "icns"],
[137, "png"],
[255, "jpg"]
]);
function detector(input) {
const byte = input[0];
const type = firstBytes.get(byte);
if (type && typeHandlers.get(type).validate(input)) {
return type;
}
return types.find((imageType) => typeHandlers.get(imageType).validate(input));
}
export {
detector
};

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import type { ISizeCalculationResult } from './types/interface.ts';
/**
* Return size information based on an Uint8Array
*
* @param {Uint8Array} input
* @returns {ISizeCalculationResult}
*/
export declare function lookup(input: Uint8Array): ISizeCalculationResult;

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import { typeHandlers } from "./types/index.js";
import { detector } from "./detector.js";
function lookup(input) {
const type = detector(input);
if (typeof type !== "undefined") {
const size = typeHandlers.get(type).calculate(input);
if (size !== void 0) {
size.type = size.type ?? type;
return size;
}
}
throw new TypeError("unsupported file type: " + type);
}
export {
lookup
};

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import type { IImage } from './interface.ts';
export declare const BMP: IImage;

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import { readInt32LE, readUInt32LE, toUTF8String } from "./utils.js";
const BMP = {
validate: (input) => toUTF8String(input, 0, 2) === "BM",
calculate: (input) => ({
height: Math.abs(readInt32LE(input, 22)),
width: readUInt32LE(input, 18)
})
};
export {
BMP
};

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import type { IImage } from './interface.ts';
export declare const CUR: IImage;

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import { ICO } from "./ico.js";
import { readUInt16LE } from "./utils.js";
const TYPE_CURSOR = 2;
const CUR = {
validate(input) {
const reserved = readUInt16LE(input, 0);
const imageCount = readUInt16LE(input, 4);
if (reserved !== 0 || imageCount === 0) return false;
const imageType = readUInt16LE(input, 2);
return imageType === TYPE_CURSOR;
},
calculate: (input) => ICO.calculate(input)
};
export {
CUR
};

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import type { IImage } from './interface.ts';
export declare const DDS: IImage;

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import { readUInt32LE } from "./utils.js";
const DDS = {
validate: (input) => readUInt32LE(input, 0) === 542327876,
calculate: (input) => ({
height: readUInt32LE(input, 12),
width: readUInt32LE(input, 16)
})
};
export {
DDS
};

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import type { IImage } from './interface.ts';
export declare const GIF: IImage;

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import { readUInt16LE, toUTF8String } from "./utils.js";
const gifRegexp = /^GIF8[79]a/;
const GIF = {
validate: (input) => gifRegexp.test(toUTF8String(input, 0, 6)),
calculate: (input) => ({
height: readUInt16LE(input, 8),
width: readUInt16LE(input, 6)
})
};
export {
GIF
};

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import type { IImage } from './interface.ts';
export declare const HEIF: IImage;

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import { findBox, readUInt32BE, toUTF8String } from "./utils.js";
const brandMap = {
avif: "avif",
avis: "avif",
// avif-sequence
mif1: "heif",
msf1: "heif",
// heif-sequence
heic: "heic",
heix: "heic",
hevc: "heic",
// heic-sequence
hevx: "heic"
// heic-sequence
};
function detectType(input, start, end) {
let hasAvif = false;
let hasHeic = false;
let hasHeif = false;
for (let i = start; i <= end; i += 4) {
const brand = toUTF8String(input, i, i + 4);
if (brand === "avif" || brand === "avis") hasAvif = true;
else if (brand === "heic" || brand === "heix" || brand === "hevc" || brand === "hevx") hasHeic = true;
else if (brand === "mif1" || brand === "msf1") hasHeif = true;
}
if (hasAvif) return "avif";
if (hasHeic) return "heic";
if (hasHeif) return "heif";
}
const HEIF = {
validate(input) {
const boxType = toUTF8String(input, 4, 8);
if (boxType !== "ftyp") return false;
const ftypBox = findBox(input, "ftyp", 0);
if (!ftypBox) return false;
const brand = toUTF8String(input, ftypBox.offset + 8, ftypBox.offset + 12);
return brand in brandMap;
},
calculate(input) {
const metaBox = findBox(input, "meta", 0);
const iprpBox = metaBox && findBox(input, "iprp", metaBox.offset + 12);
const ipcoBox = iprpBox && findBox(input, "ipco", iprpBox.offset + 8);
if (!ipcoBox) {
throw new TypeError("Invalid HEIF, no ipco box found");
}
const type = detectType(input, 8, metaBox.offset);
const images = [];
let currentOffset = ipcoBox.offset + 8;
while (currentOffset < ipcoBox.offset + ipcoBox.size) {
const ispeBox = findBox(input, "ispe", currentOffset);
if (!ispeBox) break;
const rawWidth = readUInt32BE(input, ispeBox.offset + 12);
const rawHeight = readUInt32BE(input, ispeBox.offset + 16);
const clapBox = findBox(input, "clap", currentOffset);
let width = rawWidth;
let height = rawHeight;
if (clapBox && clapBox.offset < ipcoBox.offset + ipcoBox.size) {
const cropRight = readUInt32BE(input, clapBox.offset + 12);
width = rawWidth - cropRight;
}
images.push({ height, width });
currentOffset = ispeBox.offset + ispeBox.size;
}
if (images.length === 0) {
throw new TypeError("Invalid HEIF, no sizes found");
}
return {
width: images[0].width,
height: images[0].height,
type,
...images.length > 1 ? { images } : {}
};
}
};
export {
HEIF
};

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import type { IImage } from './interface.ts';
export declare const ICNS: IImage;

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import { readUInt32BE, toUTF8String } from "./utils.js";
const SIZE_HEADER = 4 + 4;
const FILE_LENGTH_OFFSET = 4;
const ENTRY_LENGTH_OFFSET = 4;
const ICON_TYPE_SIZE = {
ICON: 32,
"ICN#": 32,
// m => 16 x 16
"icm#": 16,
icm4: 16,
icm8: 16,
// s => 16 x 16
"ics#": 16,
ics4: 16,
ics8: 16,
is32: 16,
s8mk: 16,
icp4: 16,
// l => 32 x 32
icl4: 32,
icl8: 32,
il32: 32,
l8mk: 32,
icp5: 32,
ic11: 32,
// h => 48 x 48
ich4: 48,
ich8: 48,
ih32: 48,
h8mk: 48,
// . => 64 x 64
icp6: 64,
ic12: 32,
// t => 128 x 128
it32: 128,
t8mk: 128,
ic07: 128,
// . => 256 x 256
ic08: 256,
ic13: 256,
// . => 512 x 512
ic09: 512,
ic14: 512,
// . => 1024 x 1024
ic10: 1024
};
function readImageHeader(input, imageOffset) {
const imageLengthOffset = imageOffset + ENTRY_LENGTH_OFFSET;
return [
toUTF8String(input, imageOffset, imageLengthOffset),
readUInt32BE(input, imageLengthOffset)
];
}
function getImageSize(type) {
const size = ICON_TYPE_SIZE[type];
return { width: size, height: size, type };
}
const ICNS = {
validate: (input) => toUTF8String(input, 0, 4) === "icns",
calculate(input) {
const inputLength = input.length;
const fileLength = readUInt32BE(input, FILE_LENGTH_OFFSET);
let imageOffset = SIZE_HEADER;
const images = [];
while (imageOffset < fileLength && imageOffset < inputLength) {
const imageHeader = readImageHeader(input, imageOffset);
const imageSize = getImageSize(imageHeader[0]);
images.push(imageSize);
imageOffset += imageHeader[1];
}
if (images.length === 0) {
throw new TypeError("Invalid ICNS, no sizes found");
}
return {
width: images[0].width,
height: images[0].height,
...images.length > 1 ? { images } : {}
};
}
};
export {
ICNS
};

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import type { IImage } from './interface.ts';
export declare const ICO: IImage;

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import { readUInt16LE } from "./utils.js";
const TYPE_ICON = 1;
const SIZE_HEADER = 2 + 2 + 2;
const SIZE_IMAGE_ENTRY = 1 + 1 + 1 + 1 + 2 + 2 + 4 + 4;
function getSizeFromOffset(input, offset) {
const value = input[offset];
return value === 0 ? 256 : value;
}
function getImageSize(input, imageIndex) {
const offset = SIZE_HEADER + imageIndex * SIZE_IMAGE_ENTRY;
return {
height: getSizeFromOffset(input, offset + 1),
width: getSizeFromOffset(input, offset)
};
}
const ICO = {
validate(input) {
const reserved = readUInt16LE(input, 0);
const imageCount = readUInt16LE(input, 4);
if (reserved !== 0 || imageCount === 0) return false;
const imageType = readUInt16LE(input, 2);
return imageType === TYPE_ICON;
},
calculate(input) {
const nbImages = readUInt16LE(input, 4);
const imageSize = getImageSize(input, 0);
if (nbImages === 1) return imageSize;
const images = [];
for (let imageIndex = 0; imageIndex < nbImages; imageIndex += 1) {
images.push(getImageSize(input, imageIndex));
}
return {
width: imageSize.width,
height: imageSize.height,
images
};
}
};
export {
ICO
};

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export declare const typeHandlers: Map<"jpg" | "png" | "tiff" | "webp" | "gif" | "svg" | "heif" | "icns" | "ktx" | "bmp" | "cur" | "dds" | "ico" | "j2c" | "jp2" | "jxl" | "jxl-stream" | "pnm" | "psd" | "tga", import("./interface.js").IImage>;
export declare const types: ("jpg" | "png" | "tiff" | "webp" | "gif" | "svg" | "heif" | "icns" | "ktx" | "bmp" | "cur" | "dds" | "ico" | "j2c" | "jp2" | "jxl" | "jxl-stream" | "pnm" | "psd" | "tga")[];
export type imageType = (typeof types)[number];

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import { BMP } from "./bmp.js";
import { CUR } from "./cur.js";
import { DDS } from "./dds.js";
import { GIF } from "./gif.js";
import { HEIF } from "./heif.js";
import { ICNS } from "./icns.js";
import { ICO } from "./ico.js";
import { J2C } from "./j2c.js";
import { JP2 } from "./jp2.js";
import { JPG } from "./jpg.js";
import { JXL } from "./jxl.js";
import { JXLStream } from "./jxl-stream.js";
import { KTX } from "./ktx.js";
import { PNG } from "./png.js";
import { PNM } from "./pnm.js";
import { PSD } from "./psd.js";
import { SVG } from "./svg.js";
import { TGA } from "./tga.js";
import { TIFF } from "./tiff.js";
import { WEBP } from "./webp.js";
const typeHandlers = /* @__PURE__ */ new Map([
["bmp", BMP],
["cur", CUR],
["dds", DDS],
["gif", GIF],
["heif", HEIF],
["icns", ICNS],
["ico", ICO],
["j2c", J2C],
["jp2", JP2],
["jpg", JPG],
["jxl", JXL],
["jxl-stream", JXLStream],
["ktx", KTX],
["png", PNG],
["pnm", PNM],
["psd", PSD],
["svg", SVG],
["tga", TGA],
["tiff", TIFF],
["webp", WEBP]
]);
const types = Array.from(typeHandlers.keys());
export {
typeHandlers,
types
};

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export interface ISize {
width: number;
height: number;
orientation?: number;
type?: string;
}
export type ISizeCalculationResult = {
images?: ISize[];
} & ISize;
export interface IImage {
validate: (input: Uint8Array) => boolean;
calculate: (input: Uint8Array) => ISizeCalculationResult;
}

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import type { IImage } from './interface.ts';
export declare const J2C: IImage;

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import { readUInt32BE } from "./utils.js";
const J2C = {
// TODO: this doesn't seem right. SIZ marker doesn't have to be right after the SOC
validate: (input) => readUInt32BE(input, 0) === 4283432785,
calculate: (input) => ({
height: readUInt32BE(input, 12),
width: readUInt32BE(input, 8)
})
};
export {
J2C
};

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import type { IImage } from './interface.ts';
export declare const JP2: IImage;

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import { findBox, readUInt32BE, toUTF8String } from "./utils.js";
const JP2 = {
validate(input) {
const boxType = toUTF8String(input, 4, 8);
if (boxType !== "jP ") return false;
const ftypBox = findBox(input, "ftyp", 0);
if (!ftypBox) return false;
const brand = toUTF8String(input, ftypBox.offset + 8, ftypBox.offset + 12);
return brand === "jp2 ";
},
calculate(input) {
const jp2hBox = findBox(input, "jp2h", 0);
const ihdrBox = jp2hBox && findBox(input, "ihdr", jp2hBox.offset + 8);
if (ihdrBox) {
return {
height: readUInt32BE(input, ihdrBox.offset + 8),
width: readUInt32BE(input, ihdrBox.offset + 12)
};
}
throw new TypeError("Unsupported JPEG 2000 format");
}
};
export {
JP2
};

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import type { IImage } from './interface.ts';
export declare const JPG: IImage;

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import { readUInt, readUInt16BE, toHexString } from "./utils.js";
const EXIF_MARKER = "45786966";
const APP1_DATA_SIZE_BYTES = 2;
const EXIF_HEADER_BYTES = 6;
const TIFF_BYTE_ALIGN_BYTES = 2;
const BIG_ENDIAN_BYTE_ALIGN = "4d4d";
const LITTLE_ENDIAN_BYTE_ALIGN = "4949";
const IDF_ENTRY_BYTES = 12;
const NUM_DIRECTORY_ENTRIES_BYTES = 2;
function isEXIF(input) {
return toHexString(input, 2, 6) === EXIF_MARKER;
}
function extractSize(input, index) {
return {
height: readUInt16BE(input, index),
width: readUInt16BE(input, index + 2)
};
}
function extractOrientation(exifBlock, isBigEndian) {
const idfOffset = 8;
const offset = EXIF_HEADER_BYTES + idfOffset;
const idfDirectoryEntries = readUInt(exifBlock, 16, offset, isBigEndian);
for (let directoryEntryNumber = 0; directoryEntryNumber < idfDirectoryEntries; directoryEntryNumber++) {
const start = offset + NUM_DIRECTORY_ENTRIES_BYTES + directoryEntryNumber * IDF_ENTRY_BYTES;
const end = start + IDF_ENTRY_BYTES;
if (start > exifBlock.length) {
return;
}
const block = exifBlock.slice(start, end);
const tagNumber = readUInt(block, 16, 0, isBigEndian);
if (tagNumber === 274) {
const dataFormat = readUInt(block, 16, 2, isBigEndian);
if (dataFormat !== 3) {
return;
}
const numberOfComponents = readUInt(block, 32, 4, isBigEndian);
if (numberOfComponents !== 1) {
return;
}
return readUInt(block, 16, 8, isBigEndian);
}
}
}
function validateExifBlock(input, index) {
const exifBlock = input.slice(APP1_DATA_SIZE_BYTES, index);
const byteAlign = toHexString(
exifBlock,
EXIF_HEADER_BYTES,
EXIF_HEADER_BYTES + TIFF_BYTE_ALIGN_BYTES
);
const isBigEndian = byteAlign === BIG_ENDIAN_BYTE_ALIGN;
const isLittleEndian = byteAlign === LITTLE_ENDIAN_BYTE_ALIGN;
if (isBigEndian || isLittleEndian) {
return extractOrientation(exifBlock, isBigEndian);
}
}
function validateInput(input, index) {
if (index > input.length) {
throw new TypeError("Corrupt JPG, exceeded buffer limits");
}
}
const JPG = {
validate: (input) => toHexString(input, 0, 2) === "ffd8",
calculate(_input) {
let input = _input.slice(4);
let orientation;
let next;
while (input.length) {
const i = readUInt16BE(input, 0);
validateInput(input, i);
if (input[i] !== 255) {
input = input.slice(1);
continue;
}
if (isEXIF(input)) {
orientation = validateExifBlock(input, i);
}
next = input[i + 1];
if (next === 192 || next === 193 || next === 194) {
const size = extractSize(input, i + 5);
if (!orientation) {
return size;
}
return {
height: size.height,
orientation,
width: size.width
};
}
input = input.slice(i + 2);
}
throw new TypeError("Invalid JPG, no size found");
}
};
export {
JPG
};

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import type { IImage } from './interface.ts';
export declare const JXLStream: IImage;

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import { BitReader } from "../utils/bit-reader.js";
import { toHexString } from "./utils.js";
function calculateImageDimension(reader, isSmallImage) {
if (isSmallImage) {
return 8 * (1 + reader.getBits(5));
}
const sizeClass = reader.getBits(2);
const extraBits = [9, 13, 18, 30][sizeClass];
return 1 + reader.getBits(extraBits);
}
function calculateImageWidth(reader, isSmallImage, widthMode, height) {
if (isSmallImage && widthMode === 0) {
return 8 * (1 + reader.getBits(5));
}
if (widthMode === 0) {
return calculateImageDimension(reader, false);
}
const aspectRatios = [1, 1.2, 4 / 3, 1.5, 16 / 9, 5 / 4, 2];
return Math.floor(height * aspectRatios[widthMode - 1]);
}
const JXLStream = {
validate: (input) => {
return toHexString(input, 0, 2) === "ff0a";
},
calculate(input) {
const reader = new BitReader(input, "little-endian");
const isSmallImage = reader.getBits(1) === 1;
const height = calculateImageDimension(reader, isSmallImage);
const widthMode = reader.getBits(3);
const width = calculateImageWidth(reader, isSmallImage, widthMode, height);
return { width, height };
}
};
export {
JXLStream
};

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import type { IImage } from './interface.ts';
export declare const JXL: IImage;

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import { JXLStream } from "./jxl-stream.js";
import { findBox, toUTF8String } from "./utils.js";
function extractCodestream(input) {
const jxlcBox = findBox(input, "jxlc", 0);
if (jxlcBox) {
return input.slice(jxlcBox.offset + 8, jxlcBox.offset + jxlcBox.size);
}
const partialStreams = extractPartialStreams(input);
if (partialStreams.length > 0) {
return concatenateCodestreams(partialStreams);
}
return void 0;
}
function extractPartialStreams(input) {
const partialStreams = [];
let offset = 0;
while (offset < input.length) {
const jxlpBox = findBox(input, "jxlp", offset);
if (!jxlpBox) break;
partialStreams.push(
input.slice(jxlpBox.offset + 12, jxlpBox.offset + jxlpBox.size)
);
offset = jxlpBox.offset + jxlpBox.size;
}
return partialStreams;
}
function concatenateCodestreams(partialCodestreams) {
const totalLength = partialCodestreams.reduce(
(acc, curr) => acc + curr.length,
0
);
const codestream = new Uint8Array(totalLength);
let position = 0;
for (const partial of partialCodestreams) {
codestream.set(partial, position);
position += partial.length;
}
return codestream;
}
const JXL = {
validate: (input) => {
const boxType = toUTF8String(input, 4, 8);
if (boxType !== "JXL ") return false;
const ftypBox = findBox(input, "ftyp", 0);
if (!ftypBox) return false;
const brand = toUTF8String(input, ftypBox.offset + 8, ftypBox.offset + 12);
return brand === "jxl ";
},
calculate(input) {
const codestream = extractCodestream(input);
if (codestream) return JXLStream.calculate(codestream);
throw new Error("No codestream found in JXL container");
}
};
export {
JXL
};

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import type { IImage } from './interface.ts';
export declare const KTX: IImage;

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import { readUInt32LE, toUTF8String } from "./utils.js";
const KTX = {
validate: (input) => {
const signature = toUTF8String(input, 1, 7);
return ["KTX 11", "KTX 20"].includes(signature);
},
calculate: (input) => {
const type = input[5] === 49 ? "ktx" : "ktx2";
const offset = type === "ktx" ? 36 : 20;
return {
height: readUInt32LE(input, offset + 4),
width: readUInt32LE(input, offset),
type
};
}
};
export {
KTX
};

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import type { IImage } from './interface.ts';
export declare const PNG: IImage;

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import { readUInt32BE, toUTF8String } from "./utils.js";
const pngSignature = "PNG\r\n\n";
const pngImageHeaderChunkName = "IHDR";
const pngFriedChunkName = "CgBI";
const PNG = {
validate(input) {
if (pngSignature === toUTF8String(input, 1, 8)) {
let chunkName = toUTF8String(input, 12, 16);
if (chunkName === pngFriedChunkName) {
chunkName = toUTF8String(input, 28, 32);
}
if (chunkName !== pngImageHeaderChunkName) {
throw new TypeError("Invalid PNG");
}
return true;
}
return false;
},
calculate(input) {
if (toUTF8String(input, 12, 16) === pngFriedChunkName) {
return {
height: readUInt32BE(input, 36),
width: readUInt32BE(input, 32)
};
}
return {
height: readUInt32BE(input, 20),
width: readUInt32BE(input, 16)
};
}
};
export {
PNG
};

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import type { IImage } from './interface.ts';
export declare const PNM: IImage;

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import { toUTF8String } from "./utils.js";
const PNMTypes = {
P1: "pbm/ascii",
P2: "pgm/ascii",
P3: "ppm/ascii",
P4: "pbm",
P5: "pgm",
P6: "ppm",
P7: "pam",
PF: "pfm"
};
const handlers = {
default: (lines) => {
let dimensions = [];
while (lines.length > 0) {
const line = lines.shift();
if (line[0] === "#") {
continue;
}
dimensions = line.split(" ");
break;
}
if (dimensions.length === 2) {
return {
height: Number.parseInt(dimensions[1], 10),
width: Number.parseInt(dimensions[0], 10)
};
}
throw new TypeError("Invalid PNM");
},
pam: (lines) => {
const size = {};
while (lines.length > 0) {
const line = lines.shift();
if (line.length > 16 || line.charCodeAt(0) > 128) {
continue;
}
const [key, value] = line.split(" ");
if (key && value) {
size[key.toLowerCase()] = Number.parseInt(value, 10);
}
if (size.height && size.width) {
break;
}
}
if (size.height && size.width) {
return {
height: size.height,
width: size.width
};
}
throw new TypeError("Invalid PAM");
}
};
const PNM = {
validate: (input) => toUTF8String(input, 0, 2) in PNMTypes,
calculate(input) {
const signature = toUTF8String(input, 0, 2);
const type = PNMTypes[signature];
const lines = toUTF8String(input, 3).split(/[\r\n]+/);
const handler = handlers[type] || handlers.default;
return handler(lines);
}
};
export {
PNM
};

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import type { IImage } from './interface.ts';
export declare const PSD: IImage;

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import { readUInt32BE, toUTF8String } from "./utils.js";
const PSD = {
validate: (input) => toUTF8String(input, 0, 4) === "8BPS",
calculate: (input) => ({
height: readUInt32BE(input, 14),
width: readUInt32BE(input, 18)
})
};
export {
PSD
};

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import type { IImage } from './interface.ts';
export declare const SVG: IImage;

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import { toUTF8String } from "./utils.js";
const svgReg = /<svg\s([^>"']|"[^"]*"|'[^']*')*>/;
const extractorRegExps = {
height: /\sheight=(['"])([^%]+?)\1/,
root: svgReg,
viewbox: /\sviewBox=(['"])(.+?)\1/i,
width: /\swidth=(['"])([^%]+?)\1/
};
const INCH_CM = 2.54;
const units = {
in: 96,
cm: 96 / INCH_CM,
em: 16,
ex: 8,
m: 96 / INCH_CM * 100,
mm: 96 / INCH_CM / 10,
pc: 96 / 72 / 12,
pt: 96 / 72,
px: 1
};
const unitsReg = new RegExp(
`^([0-9.]+(?:e\\d+)?)(${Object.keys(units).join("|")})?$`
);
function parseLength(len) {
const m = unitsReg.exec(len);
if (!m) {
return void 0;
}
return Math.round(Number(m[1]) * (units[m[2]] || 1));
}
function parseViewbox(viewbox) {
const bounds = viewbox.split(" ");
return {
height: parseLength(bounds[3]),
width: parseLength(bounds[2])
};
}
function parseAttributes(root) {
const width = extractorRegExps.width.exec(root);
const height = extractorRegExps.height.exec(root);
const viewbox = extractorRegExps.viewbox.exec(root);
return {
height: height && parseLength(height[2]),
viewbox: viewbox && parseViewbox(viewbox[2]),
width: width && parseLength(width[2])
};
}
function calculateByDimensions(attrs) {
return {
height: attrs.height,
width: attrs.width
};
}
function calculateByViewbox(attrs, viewbox) {
const ratio = viewbox.width / viewbox.height;
if (attrs.width) {
return {
height: Math.floor(attrs.width / ratio),
width: attrs.width
};
}
if (attrs.height) {
return {
height: attrs.height,
width: Math.floor(attrs.height * ratio)
};
}
return {
height: viewbox.height,
width: viewbox.width
};
}
const SVG = {
// Scan only the first kilo-byte to speed up the check on larger files
validate: (input) => svgReg.test(toUTF8String(input, 0, 1e3)),
calculate(input) {
const root = extractorRegExps.root.exec(toUTF8String(input));
if (root) {
const attrs = parseAttributes(root[0]);
if (attrs.width && attrs.height) {
return calculateByDimensions(attrs);
}
if (attrs.viewbox) {
return calculateByViewbox(attrs, attrs.viewbox);
}
}
throw new TypeError("Invalid SVG");
}
};
export {
SVG
};

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import type { IImage } from './interface.ts';
export declare const TGA: IImage;

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import { readUInt16LE } from "./utils.js";
const TGA = {
validate(input) {
return readUInt16LE(input, 0) === 0 && readUInt16LE(input, 4) === 0;
},
calculate(input) {
return {
height: readUInt16LE(input, 14),
width: readUInt16LE(input, 12)
};
}
};
export {
TGA
};

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import type { IImage } from './interface.ts';
export declare const TIFF: IImage;

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import { readUInt, readUInt64, toHexString, toUTF8String } from "./utils.js";
const CONSTANTS = {
TAG: {
WIDTH: 256,
HEIGHT: 257,
COMPRESSION: 259
},
TYPE: {
SHORT: 3,
LONG: 4,
LONG8: 16
},
ENTRY_SIZE: {
STANDARD: 12,
BIG: 20
},
COUNT_SIZE: {
STANDARD: 2,
BIG: 8
}
};
function readIFD(input, { isBigEndian, isBigTiff }) {
const ifdOffset = isBigTiff ? Number(readUInt64(input, 8, isBigEndian)) : readUInt(input, 32, 4, isBigEndian);
const entryCountSize = isBigTiff ? CONSTANTS.COUNT_SIZE.BIG : CONSTANTS.COUNT_SIZE.STANDARD;
return input.slice(ifdOffset + entryCountSize);
}
function readTagValue(input, type, offset, isBigEndian) {
switch (type) {
case CONSTANTS.TYPE.SHORT:
return readUInt(input, 16, offset, isBigEndian);
case CONSTANTS.TYPE.LONG:
return readUInt(input, 32, offset, isBigEndian);
case CONSTANTS.TYPE.LONG8: {
const value = Number(readUInt64(input, offset, isBigEndian));
if (value > Number.MAX_SAFE_INTEGER) {
throw new TypeError("Value too large");
}
return value;
}
default:
return 0;
}
}
function nextTag(input, isBigTiff) {
const entrySize = isBigTiff ? CONSTANTS.ENTRY_SIZE.BIG : CONSTANTS.ENTRY_SIZE.STANDARD;
if (input.length > entrySize) {
return input.slice(entrySize);
}
}
function extractTags(input, { isBigEndian, isBigTiff }) {
const tags = {};
let temp = input;
while (temp?.length) {
const code = readUInt(temp, 16, 0, isBigEndian);
const type = readUInt(temp, 16, 2, isBigEndian);
const length = isBigTiff ? Number(readUInt64(temp, 4, isBigEndian)) : readUInt(temp, 32, 4, isBigEndian);
if (code === 0) break;
if (length === 1 && (type === CONSTANTS.TYPE.SHORT || type === CONSTANTS.TYPE.LONG || isBigTiff && type === CONSTANTS.TYPE.LONG8)) {
const valueOffset = isBigTiff ? 12 : 8;
tags[code] = readTagValue(temp, type, valueOffset, isBigEndian);
}
temp = nextTag(temp, isBigTiff);
}
return tags;
}
function determineFormat(input) {
const signature = toUTF8String(input, 0, 2);
const version = readUInt(input, 16, 2, signature === "MM");
return {
isBigEndian: signature === "MM",
isBigTiff: version === 43
};
}
function validateBigTIFFHeader(input, isBigEndian) {
const byteSize = readUInt(input, 16, 4, isBigEndian);
const reserved = readUInt(input, 16, 6, isBigEndian);
if (byteSize !== 8 || reserved !== 0) {
throw new TypeError("Invalid BigTIFF header");
}
}
const signatures = /* @__PURE__ */ new Set([
"49492a00",
// Little Endian
"4d4d002a",
// Big Endian
"49492b00",
// BigTIFF Little Endian
"4d4d002b"
// BigTIFF Big Endian
]);
const TIFF = {
validate: (input) => {
const signature = toHexString(input, 0, 4);
return signatures.has(signature);
},
calculate(input) {
const format = determineFormat(input);
if (format.isBigTiff) {
validateBigTIFFHeader(input, format.isBigEndian);
}
const ifdBuffer = readIFD(input, format);
const tags = extractTags(ifdBuffer, format);
const info = {
height: tags[CONSTANTS.TAG.HEIGHT],
width: tags[CONSTANTS.TAG.WIDTH],
type: format.isBigTiff ? "bigtiff" : "tiff"
};
if (tags[CONSTANTS.TAG.COMPRESSION]) {
info.compression = tags[CONSTANTS.TAG.COMPRESSION];
}
if (!info.width || !info.height) {
throw new TypeError("Invalid Tiff. Missing tags");
}
return info;
}
};
export {
TIFF
};

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export declare const toUTF8String: (input: Uint8Array, start?: number, end?: number) => string;
export declare const toHexString: (input: Uint8Array, start?: number, end?: number) => string;
export declare const readInt16LE: (input: Uint8Array, offset?: number) => number;
export declare const readUInt16BE: (input: Uint8Array, offset?: number) => number;
export declare const readUInt16LE: (input: Uint8Array, offset?: number) => number;
export declare const readUInt24LE: (input: Uint8Array, offset?: number) => number;
export declare const readInt32LE: (input: Uint8Array, offset?: number) => number;
export declare const readUInt32BE: (input: Uint8Array, offset?: number) => number;
export declare const readUInt32LE: (input: Uint8Array, offset?: number) => number;
export declare const readUInt64: (input: Uint8Array, offset: number, isBigEndian: boolean) => bigint;
export declare function readUInt(input: Uint8Array, bits: 16 | 32, offset?: number, isBigEndian?: boolean): number;
export declare function findBox(input: Uint8Array, boxName: string, currentOffset: number): {
name: string;
offset: number;
size: number;
} | undefined;

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const decoder = new TextDecoder();
const toUTF8String = (input, start = 0, end = input.length) => decoder.decode(input.slice(start, end));
const toHexString = (input, start = 0, end = input.length) => input.slice(start, end).reduce((memo, i) => memo + `0${i.toString(16)}`.slice(-2), "");
const getView = (input, offset) => new DataView(input.buffer, input.byteOffset + offset);
const readInt16LE = (input, offset = 0) => getView(input, offset).getInt16(0, true);
const readUInt16BE = (input, offset = 0) => getView(input, offset).getUint16(0, false);
const readUInt16LE = (input, offset = 0) => getView(input, offset).getUint16(0, true);
const readUInt24LE = (input, offset = 0) => {
const view = getView(input, offset);
return view.getUint16(0, true) + (view.getUint8(2) << 16);
};
const readInt32LE = (input, offset = 0) => getView(input, offset).getInt32(0, true);
const readUInt32BE = (input, offset = 0) => getView(input, offset).getUint32(0, false);
const readUInt32LE = (input, offset = 0) => getView(input, offset).getUint32(0, true);
const readUInt64 = (input, offset, isBigEndian) => getView(input, offset).getBigUint64(0, !isBigEndian);
const methods = {
readUInt16BE,
readUInt16LE,
readUInt32BE,
readUInt32LE
};
function readUInt(input, bits, offset = 0, isBigEndian = false) {
const endian = isBigEndian ? "BE" : "LE";
const methodName = `readUInt${bits}${endian}`;
return methods[methodName](input, offset);
}
function readBox(input, offset) {
if (input.length - offset < 4) return;
const boxSize = readUInt32BE(input, offset);
if (input.length - offset < boxSize) return;
return {
name: toUTF8String(input, 4 + offset, 8 + offset),
offset,
size: boxSize
};
}
function findBox(input, boxName, currentOffset) {
while (currentOffset < input.length) {
const box = readBox(input, currentOffset);
if (!box) break;
if (box.name === boxName) return box;
currentOffset += box.size > 0 ? box.size : 8;
}
}
export {
findBox,
readInt16LE,
readInt32LE,
readUInt,
readUInt16BE,
readUInt16LE,
readUInt24LE,
readUInt32BE,
readUInt32LE,
readUInt64,
toHexString,
toUTF8String
};

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import type { IImage } from './interface.ts';
export declare const WEBP: IImage;

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import { readInt16LE, readUInt24LE, toHexString, toUTF8String } from "./utils.js";
function calculateExtended(input) {
return {
height: 1 + readUInt24LE(input, 7),
width: 1 + readUInt24LE(input, 4)
};
}
function calculateLossless(input) {
return {
height: 1 + ((input[4] & 15) << 10 | input[3] << 2 | (input[2] & 192) >> 6),
width: 1 + ((input[2] & 63) << 8 | input[1])
};
}
function calculateLossy(input) {
return {
height: readInt16LE(input, 8) & 16383,
width: readInt16LE(input, 6) & 16383
};
}
const WEBP = {
validate(input) {
const riffHeader = "RIFF" === toUTF8String(input, 0, 4);
const webpHeader = "WEBP" === toUTF8String(input, 8, 12);
const vp8Header = "VP8" === toUTF8String(input, 12, 15);
return riffHeader && webpHeader && vp8Header;
},
calculate(_input) {
const chunkHeader = toUTF8String(_input, 12, 16);
const input = _input.slice(20, 30);
if (chunkHeader === "VP8X") {
const extendedHeader = input[0];
const validStart = (extendedHeader & 192) === 0;
const validEnd = (extendedHeader & 1) === 0;
if (validStart && validEnd) {
return calculateExtended(input);
}
throw new TypeError("Invalid WebP");
}
if (chunkHeader === "VP8 " && input[0] !== 47) {
return calculateLossy(input);
}
const signature = toHexString(input, 3, 6);
if (chunkHeader === "VP8L" && signature !== "9d012a") {
return calculateLossless(input);
}
throw new TypeError("Invalid WebP");
}
};
export {
WEBP
};

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/** This class helps read Uint8Array bit-by-bit */
export declare class BitReader {
private readonly input;
private readonly endianness;
private byteOffset;
private bitOffset;
constructor(input: Uint8Array, endianness: 'big-endian' | 'little-endian');
/** Reads a specified number of bits, and move the offset */
getBits(length?: number): number;
}

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class BitReader {
constructor(input, endianness) {
this.input = input;
this.endianness = endianness;
}
// Skip the first 16 bits (2 bytes) of signature
byteOffset = 2;
bitOffset = 0;
/** Reads a specified number of bits, and move the offset */
getBits(length = 1) {
let result = 0;
let bitsRead = 0;
while (bitsRead < length) {
if (this.byteOffset >= this.input.length) {
throw new Error("Reached end of input");
}
const currentByte = this.input[this.byteOffset];
const bitsLeft = 8 - this.bitOffset;
const bitsToRead = Math.min(length - bitsRead, bitsLeft);
if (this.endianness === "little-endian") {
const mask = (1 << bitsToRead) - 1;
const bits = currentByte >> this.bitOffset & mask;
result |= bits << bitsRead;
} else {
const mask = (1 << bitsToRead) - 1 << 8 - this.bitOffset - bitsToRead;
const bits = (currentByte & mask) >> 8 - this.bitOffset - bitsToRead;
result = result << bitsToRead | bits;
}
bitsRead += bitsToRead;
this.bitOffset += bitsToRead;
if (this.bitOffset === 8) {
this.byteOffset++;
this.bitOffset = 0;
}
}
return result;
}
}
export {
BitReader
};