Blob Polyfill

Purpose

Blob Polyfill serves Blob.js over npm.

Blob.js implements the W3C Blob interface in browsers that do not natively support it.

Changelog

Please read the changelog

Installation

To install this library, run:

$ npm install blob-polyfill --save

Usage

CommonJS:

var Blob = require('blob-polyfill').Blob;

AMD

import { Blob } from 'blob-polyfill';

Supported browsers

Blob.js shares the same supported browsers as FileSaver.js.

License

MIT

blob-polyfill CHANGELOG

v9.0.20240710

• [Blob.js] Use exported FileReader (@luke-stead-sonocent)
• [test] Test is now a module (@bjornstar)
• [README.md] Add badge for master branch build status (@bjornstar)
• [package.json] Update devDependencies: @sindresorhus/is, eslint, & mocha (@bjornstar)
• [bower.json] Match current version (@bjornstar)
• [.eslintrc.js] Change to eslint.config.mjs for eslint@9 (@bjornstar)

v8.0.20240630

• [Blob.js] Change Blob.prototype to global.Blob.prototype (@tmisirpash)
• [Blob.js] Make it work in environments where global.Blob exists, but global.FileReader does not (@bjornstar)
• [Blob.js] Add isPolyfill property to the polyfilled versions so we can differentiate them (@bjornstar)
• [test] Unskip tests and update to work in environments with global.Blob & global.File & global.URL (@bjornstar)
• [.github] Update action versions and test node v12-v22 (@bjornstar)

v7.0.20220408

• [Blob.js] Do not modify array that is passed into constructor (@zyrong)
• [.github] Start automated tests on github (@bjornstar)
• [.travis.yml] Remove travis-ci integration (@bjornstar)
• [.npmignore] Ignore .github, remove .travis.yml (@bjornstar)
• [devDependencies] Update test dependencies (@bjornstar)

v6.0.20211015

• [Blob.js] Check object class names when determining Object types (@coclauso)
• [Blob.js] Reduce redundancies in getting class names and prototype checks (@bjornstar)
• [test] Add a test for round tripping data in ArrayBuffers (@coclauso)

v5.0.20210201

• [Blob.js] Blob.arrayBuffer() should return a promise that resolves with an ArrayBuffer (@bjornstar)
• [test] Add a test for Blob.arrayBuffer (@bjornstar)
• [package.json] Update devDependencies: eslint & mocha (@bjornstar)
• [package.json] Add devDependency: @sindresorhus/is (@bjornstar)

v4.0.20200601

• [Blob.js] Populate File and FileReader in exports after confirming File is supported (@bjornstar)

v4.0.20200531

• [Blob.js] Do not attempt to set readonly property Symbols (@bjornstar)
• [Blob.js] Do not use prototype built-ins (@bjornstar)
• [.travis.yml] Drop testing for node v6 and v8 (@bjornstar)
• [.travis.yml] Add testing for node v14 (@bjornstar)
• [package.json] Update devDependencies: eslint & mocha (@bjornstar)
• [.gitignore] Add npm-debug.log (@bjornstar)
• [README] Add usage examples to encourage non-global use of Blob (@bjornstar)

v4.0.20190430

• A complete rewrite of Blob.js (@jimmywarting)
• Restore the UMD wrapper (@bjornstar)
• Add some tests for File, FileReader, and URL (@bjornstar)

v3.0.20180112

• Resolve conflict from upstream based on date version change (@bjornstar)
• Remove this.content to match upstream changes (@bjornstar)
• Added some very basic tests (@bjornstar)
• Added linting through eslint (@bjornstar)
• Start using travis-ci to verify basic functionality isn't breaking (@bjornstar)

v2.0.20171115

• Add UMD wrapper to allow non-global polluting usage in Node (@jscinoz)
• License clarification (@eligrey)
• Clarified browser support in the readme (@eligrey)
• Add CHANGELOG (@bjornstar)

v1.0.20150320

• Add support for PhantomJS (@mitar)
• Add package.json (@bjornstar)
• Add bower.json (@bjornstar)
• Release on npm as blob-polyfill (@bjornstar)