is-jpg
Advanced tools
Comparing version 2.0.0 to 3.0.0
11
index.js
@@ -1,3 +0,2 @@ | ||
| 'use strict'; | ||
| module.exports = buffer => { | ||
| export default function isJpg(buffer) { | ||
| if (!buffer || buffer.length < 3) { | ||
@@ -7,5 +6,5 @@ return false; | ||
| return buffer[0] === 255 && | ||
| buffer[1] === 216 && | ||
| buffer[2] === 255; | ||
| }; | ||
| return buffer[0] === 255 | ||
| && buffer[1] === 216 | ||
| && buffer[2] === 255; | ||
| } |
| { | ||
| "name": "is-jpg", | ||
| "version": "2.0.0", | ||
| "description": "Check if a Buffer/Uint8Array is a JPEG image", | ||
| "license": "MIT", | ||
| "repository": "sindresorhus/is-jpg", | ||
| "author": { | ||
| "name": "Sindre Sorhus", | ||
| "email": "sindresorhus@gmail.com", | ||
| "url": "sindresorhus.com" | ||
| }, | ||
| "engines": { | ||
| "node": ">=6" | ||
| }, | ||
| "scripts": { | ||
| "test": "xo && ava" | ||
| }, | ||
| "files": [ | ||
| "index.js" | ||
| ], | ||
| "keywords": [ | ||
| "jpg", | ||
| "jpeg", | ||
| "image", | ||
| "img", | ||
| "pic", | ||
| "picture", | ||
| "photo", | ||
| "type", | ||
| "detect", | ||
| "check", | ||
| "is", | ||
| "exif", | ||
| "binary", | ||
| "buffer", | ||
| "uint8array", | ||
| "cli", | ||
| "bin" | ||
| ], | ||
| "devDependencies": { | ||
| "ava": "*", | ||
| "read-chunk": "^2.1.0", | ||
| "xo": "*" | ||
| } | ||
| "name": "is-jpg", | ||
| "version": "3.0.0", | ||
| "description": "Check if a Buffer/Uint8Array is a JPEG image", | ||
| "license": "MIT", | ||
| "repository": "sindresorhus/is-jpg", | ||
| "funding": "https://github.com/sponsors/sindresorhus", | ||
| "author": { | ||
| "name": "Sindre Sorhus", | ||
| "email": "sindresorhus@gmail.com", | ||
| "url": "https://sindresorhus.com" | ||
| }, | ||
| "type": "module", | ||
| "exports": "./index.js", | ||
| "engines": { | ||
| "node": "^12.20.0 || ^14.13.1 || >=16.0.0" | ||
| }, | ||
| "scripts": { | ||
| "test": "xo && ava" | ||
| }, | ||
| "files": [ | ||
| "index.js" | ||
| ], | ||
| "keywords": [ | ||
| "jpg", | ||
| "jpeg", | ||
| "image", | ||
| "picture", | ||
| "photo", | ||
| "type", | ||
| "detect", | ||
| "check", | ||
| "is", | ||
| "exif", | ||
| "binary", | ||
| "buffer", | ||
| "uint8array" | ||
| ], | ||
| "devDependencies": { | ||
| "ava": "^3.15.0", | ||
| "read-chunk": "^4.0.2", | ||
| "xo": "^0.44.0" | ||
| } | ||
| } |
@@ -1,13 +0,11 @@ | ||
| # is-jpg [](https://travis-ci.org/sindresorhus/is-jpg) | ||
| # is-jpg | ||
| > Check if a Buffer/Uint8Array is a [JPEG](https://en.wikipedia.org/wiki/JPEG) image | ||
| ## Install | ||
| ```sh | ||
| npm install is-jpg | ||
| ``` | ||
| $ npm install is-jpg | ||
| ``` | ||
| ## Usage | ||
@@ -18,6 +16,7 @@ | ||
| ```js | ||
| const readChunk = require('read-chunk'); | ||
| const isJpg = require('is-jpg'); | ||
| const buffer = readChunk.sync('unicorn.jpg', 0, 3); | ||
| import {readChunk} from 'read-chunk'; | ||
| import isJpg from 'is-jpg'; | ||
| const buffer = await readChunk('unicorn.jpg', {length: 3}); | ||
| isJpg(buffer); | ||
@@ -42,3 +41,2 @@ //=> true | ||
| ## API | ||
@@ -48,14 +46,8 @@ | ||
| Accepts a Buffer (Node.js) or Uint8Array. | ||
| Accepts a `Buffer` (Node.js) or `Uint8Array`. | ||
| It only needs the first 3 bytes. | ||
| ## Related | ||
| - [file-type](https://github.com/sindresorhus/file-type) - Detect the file type of a Buffer/Uint8Array | ||
| ## License | ||
| MIT © [Sindre Sorhus](https://sindresorhus.com) |
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Trivial Package
Supply chain riskPackages less than 10 lines of code are easily copied into your own project and may not warrant the additional supply chain risk of an external dependency.
Found 1 instance in 1 package
Fixed alerts
Trivial Package
Supply chain riskPackages less than 10 lines of code are easily copied into your own project and may not warrant the additional supply chain risk of an external dependency.
Found 1 instance in 1 package
Improved metrics
- Is type module
Yes
Worsened metrics
- Total package byte prevSize
- decreased by-4.57%
2820
- Lines of code
- decreased by-11.11%
8
- Number of lines in readme file
- decreased by-13.56%
51
No dependency changes