0.1.0

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = tab
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+indent_size = 2
+indent_style = space

.gitignore

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+# generated
+node_modules
+
+# logs
+*.log*
+
+# locks
+*-lock.*
+
+# environment
+*.env*
+
+# macos
+.DS_Store

.vscode/.prettierignore

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+# Ignore all JS/TS files:
+*.js
+*.ts

.vscode/settings.json

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+{
+	/* Editor */
+	"editor.codeActionsOnSave": {
+		"source.fixAll": true
+	},
+	"editor.insertSpaces": false,
+	"editor.useTabStops": true,
+
+	/* Prettier */
+	"prettier.ignorePath": "/.vscode/.prettierignore",
+	"prettier.useEditorConfig": true,
+
+	/* JavaScript */
+	"[javascript]": {
+		"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+	},
+
+	/* JSON */
+	"[json]": {
+		"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+	},
+
+	/* JSON */
+	"[jsonc]": {
+		"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+	},
+
+	/* TypeScript */
+	"[typescript]": {
+		"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+	},
+}

README.md

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+# get-size
+
+An ESM fork of [get-size](https://www.npmjs.com/package/get-size).

package.json

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+{
+	"$schema": "https://json.schemastore.org/package.json",
+	"name": "@astropub/get-size.root",
+	"type": "module",
+	"workspaces": [
+		"packages/*"
+	],
+	"scripts": {
+		"check": "node scripts/check.js",
+		"release": "node scripts/release.js"
+	},
+	"devDependencies": {
+		"@types/node": "20.4.1",
+		"@typescript-eslint/eslint-plugin": "6.0.0",
+		"@typescript-eslint/parser": "6.0.0",
+		"@typescript/lib-dom": "npm:@types/web@^0.0.105",
+		"brotli-size": "4.0.0",
+		"eslint": "8.44.0",
+		"eslint-config-dev": "3.3.1",
+		"eslint-plugin-json": "3.1.0",
+		"gzip-size": "7.0.0",
+		"rollup-plugin-terser": "7.0.2",
+		"rollup-plugin-typescript2": "0.35.0",
+		"types-object": "0.3.0",
+		"typescript": "5.1.6",
+		"vite": "4.4.3"
+	},
+	"eslintConfig": {
+		"extends": [
+			"dev/ts/nosemi"
+		],
+		"plugins": [
+			"json"
+		],
+		"rules": {
+			"indent": [
+				"error",
+				"tab"
+			]
+		}
+	},
+	"prettier": {
+		"singleQuote": true,
+		"useTabs": true,
+		"overrides": [
+			{
+				"files": "*.md",
+				"options": {
+					"tabWidth": 2,
+					"useTabs": false
+				}
+			}
+		]
+	},
+	"private": true
+}

packages/get-size/LICENSE.md

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+Copyright (c) 2012-2021 [David DeSandro](https://desandro.com) and [contributors](https://github.com/desandro/get-size/graphs/contributors)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

packages/get-size/README.md

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+# get-size
+
+An ESM fork of [get-size](https://www.npmjs.com/package/get-size).

packages/get-size/lib/from/AsyncIterable.d.ts

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+import type { ImageResult } from '../types.d.ts'
+
+export default function getSizeFromAsyncIterable(iteratable: Iterable<Uint8Array> | AsyncIterable<Uint8Array>): Promise<ImageResult | null>

packages/get-size/lib/from/AsyncIterable.js

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+import getSizeFromUint8Array from './Uint8Array.js'
+import getMergedUint8Array from '../utils/getMergedUint8Array.js'
+
+import '../types.js'
+import '../detector.js'
+
+export default async function getSizeFromAsyncIterable(/** @type {Iterable<Uint8Array> | AsyncIterable<Uint8Array>} */ iteratable) {
+	await import('../utils/ReadableStreamPolyfill.js')
+
+	let array = new Uint8Array()
+
+	for await (const chunk of iteratable) {
+		array = getMergedUint8Array(array, chunk)
+
+		const result = getSizeFromUint8Array(array)
+
+		if (result !== null && !isNaN(result.width)) {
+			return result
+		}
+	}
+
+	return null
+}

packages/get-size/lib/from/FileSync.d.ts

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+/// <reference types="node" />
+
+import type { ImageResult } from '../types.d.ts'
+import type { PathLike } from 'node:fs'
+
+export interface GetSizeFromFileSyncOptions {
+	chunkSize: number;
+}
+
+export default function getSizeFromFileSync(path: PathLike, opts?: GetSizeFromFileSyncOptions): ImageResult | null

packages/get-size/lib/from/FileSync.js

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+/// <reference types="node" />
+
+/** @typedef {import('../types.d.ts').ImageResult} ImageResult */
+/** @typedef {import('node:fs').PathLike} PathLike */
+/** @typedef {import('./FileSync.d.ts').GetSizeFromFileSyncOptions} GetSizeFromFileSyncOptions */
+
+import { openSync, fstatSync, readSync } from 'node:fs'
+import getSizeFromIterator from './Iterable.js'
+
+import './Uint8Array.js'
+import '../types.js'
+import '../detector.js'
+import '../utils/getMergedUint8Array.js'
+
+export default function getSizeFromFileSync(/** @type {PathLike} */ path, /** @type {GetSizeFromFileSyncOptions} */ opts = null) {
+	const chunkSize = Number(Object(opts).chunkSize) || defaultChunkSize
+	const fileReadIterator = readFileIteratorSync(path, { chunkSize })
+
+	return getSizeFromIterator(fileReadIterator)
+}
+
+function * readFileIteratorSync(path, opts) {
+	opts = Object(opts)
+
+	const chunkSize = Number(opts.chunkSize) || defaultChunkSize
+	const fileDescriptor = openSync(path, 'r')
+	const fileStats = fstatSync(fileDescriptor)
+	const buffer = Buffer.alloc(Math.min(fileStats.size, chunkSize))
+
+	/** @type {number} */
+	let read
+
+	while (read = readSync(fileDescriptor, buffer, 0, buffer.length, null), read !== 0) {
+		yield new Uint8Array(buffer)
+	}
+}
+
+const defaultChunkSize = 256

packages/get-size/lib/from/Iterable.d.ts

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+import type { ImageResult } from '../types.d.ts'
+
+export default function getSizeFromIterator(iterable: Iterable<Uint8Array>): ImageResult | null

packages/get-size/lib/from/Iterable.js

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+import getSizeFromUint8Array from './Uint8Array.js'
+import getMergedUint8Array from '../utils/getMergedUint8Array.js'
+
+import '../types.js'
+import '../detector.js'
+
+export default function getSizeFromIterator(/** @type {Iterable<Uint8Array>} */ iterable) {
+	let array = new Uint8Array()
+
+	for (const chunk of iterable) {
+		array = getMergedUint8Array(array, chunk)
+
+		const result = getSizeFromUint8Array(array)
+
+		if (result !== null && !isNaN(result.width)) {
+			return result
+		}
+	}
+
+	return null
+}

packages/get-size/lib/from/ReadableStream.d.ts

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+import type { ImageResult } from '../types.d.ts'
+
+export default function getSizeFromReadableStream(readableStream: ReadableStream<Uint8Array>): Promise<ImageResult | null>

packages/get-size/lib/from/ReadableStream.js

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+import getSizeFromAsyncIterable from './AsyncIterable.js'
+
+import './Uint8Array.js'
+import '../types.js'
+import '../detector.js'
+import '../utils/getMergedUint8Array.js'
+
+export default async function getSizeFromReadableStream(/** @type {ReadableStream<Uint8Array>} */ readableStream) {
+	await import('../utils/ReadableStreamPolyfill.js')
+
+	return await getSizeFromAsyncIterable(readableStream)
+}

packages/get-size/lib/from/URL.d.ts

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+import type { ImageResult } from '../types.d.ts'
+
+export default function getSizeFromURL(input: URL | RequestInfo): Promise<ImageResult | null>

packages/get-size/lib/from/URL.js

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+import getSizeFromAsyncIterable from './AsyncIterable.js'
+
+import './Uint8Array.js'
+import '../types.js'
+import '../detector.js'
+import '../utils/getMergedUint8Array.js'
+
+export default async function getSizeFromURL(input) {
+	const response = await fetch(input)
+
+	return await getSizeFromAsyncIterable(response.body)
+}

packages/get-size/lib/from/Uint8Array.d.ts

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+import type { ImageResult } from '../types.d.ts'
+
+export default function getSizeFromUint8Array(input: Uint8Array): ImageResult | null

packages/get-size/lib/from/Uint8Array.js

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+/** @typedef {import('../types.d.ts').ImageResult} ImageResult */
+
+import { types } from '../types.js'
+import getType from '../getType.js'
+
+export default function getSizeFromUint8Array(/** @type {Uint8Array} */ input) {
+	const type = getType(input)
+
+	if (type !== null) {
+		try {
+			const size = types[type].calculate(input)
+
+			return /** @type {ImageResult} */ ({
+				type,
+				...size,
+			})
+		} catch {
+			// do nothing and continue
+		}
+	}
+
+	return null
+}

packages/get-size/lib/getSize.d.ts

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+export type { ImageType, ImageResult } from './types.ts'
+
+export { default as getSizeFromAsyncIterable } from './from/AsyncIterable.ts'
+export { default as getSizeFromIterable } from './from/Iterable.ts'
+export { default as getSizeFromReadableStream } from './from/ReadableStream.ts'
+export { default as getSizeFromUint8Array } from './from/Uint8Array.ts'
+export { default as getSizeFromURL } from './from/URL.ts'
+export { default as getType } from './getType.js'
+
+export { types } from './types.ts'

packages/get-size/lib/getSize.js

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+export { default as getSizeFromAsyncIterable } from './from/AsyncIterable.js'
+export { default as getSizeFromIterable } from './from/Iterable.js'
+export { default as getSizeFromReadableStream } from './from/ReadableStream.js'
+export { default as getSizeFromUint8Array } from './from/Uint8Array.js'
+export { default as getSizeFromURL } from './from/URL.js'
+export { default as getType } from './getType.js'
+export { types } from './types.js'
+
+import './utils/getMergedUint8Array.js'

packages/get-size/lib/getType.d.ts

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+import type { SupportedImageType } from './types.d.ts'
+
+export default function getType(input: Uint8Array): SupportedImageType | null

packages/get-size/lib/getType.js

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+/** @typedef {import('./types.d.ts').SupportedImageType} SupportedImageType */
+
+import { types } from './types.js'
+
+/** @type {SupportedImageType[]} */
+const keys = Object.keys(types)
+
+// This map helps avoid validating for every single image type
+/** @type {{ [byte: number]: SupportedImageType }} */
+const firstBytes = {
+	0x38: 'psd',
+	0x42: 'bmp',
+	0x44: 'dds',
+	0x47: 'gif',
+	0x52: 'webp',
+	0x69: 'icns',
+	0x89: 'png',
+	0xff: 'jpg'
+}
+
+export default function getType(/** @type {Uint8Array} */ input) {
+	const byte = input[0]
+
+	if (byte in firstBytes) {
+		const type = firstBytes[byte]
+
+		if (type && types[type].validate(input)) {
+			return type
+		}
+	}
+
+	return keys.find(
+		(/** @type {SupportedImageType} */ key) => types[key].validate(input)
+	) || null
+}

packages/get-size/lib/types.d.ts

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+export type ImageSize = {
+	width: number
+	height: number
+}
+
+export type ImageDetector = {
+	validate(input: Uint8Array): boolean
+	calculate(input: Uint8Array): ImageSize
+}
+
+export type SupportedImageType = 'bmp' | 'cur' | 'dds' | 'gif' | 'icns' | 'ico' | 'j2c' | 'jp2' | 'jpg' | 'ktx' | 'png' | 'pnm' | 'psd' | 'svg' | 'tga' | 'webp'
+
+export type ImageTypes = Record<SupportedImageType, ImageDetector>
+
+export type ImageResult = {
+	type: SupportedImageType
+} & ImageSize
+
+export const types: ImageTypes