Dependencies

dash.js relies on multiple other NPM packages to implement media player functionalities and for tasks related to development. The dependencies are listed in package.json and are installed when running npm install.

Direct Dependencies

Package	Usage
@svta/cml-608	Parsing of CEA-608 embedded captions
@svta/cml-cmcd	CMCD (Common Media Client Data) encoding
@svta/cml-cmsd	CMSD (Common Media Server Data) parsing
@svta/cml-dash	Common DASH utilities, e.g. for segment handling
@svta/cml-id3	Parsing of ID3 timed metadata
@svta/cml-request	CommonMediaRequest/CommonMediaResponse types used by the HTTP loading stack and the network interceptor API
@svta/cml-xml	XML parsing used by the manifest parser
bcp-47-match	Match BCP 47 language tags with language ranges per RFC 4647
codem-isoboxer	ISOBMFF box parser used to parse boxes such as EMSG
fast-deep-equal	Used to deep compare two objects
html-entities	Used to decode HTML entities when playing in offline mode
imsc	Library for rendering IMSC 1.0.1 and IMSC 1.1 documents to HTML5
localforage	Storage library used for offline playback
path-browserify	Node path library used to extract and compare URLs

Dev Dependencies

Package	Usage
@babel/core	Required by babel-loader for Webpack and transpiling to ES5
@babel/eslint-parser	Allows ESLint to run on source code that is transformed by Babel
@babel/plugin-transform-parameters	Transforms ES2015 parameters to ES5 as part of the Webpack process
@babel/plugin-transform-runtime	A plugin that enables the re-use of Babel's injected helper code to save on codesize
@babel/preset-env	Required by babel-loader for Webpack and transpiling to ES5
@babel/runtime	Babel's runtime helpers referenced by the transpiled legacy build
@chiragrupani/karma-chromium-edge-launcher	An Edge launcher for Karma that is used for executing functional tests in the Edge browser
@eslint/js	ESLint JavaScript language implementation
babel-loader	Used for transpiling JavaScript by Webpack
babel-plugin-istanbul	Instruments the source code for unit test coverage reports
buffer	Node Buffer polyfill for the browser bundles
chai	Assertion library used by the Karma testing framework
chai-spies	Addon plugin for the chai assertion library. It provides the most basic function spy ability and tests
clean-jsdoc-theme	Clean and fully responsive theme to generate the JSDoc
concurrently	Runs the modern and legacy Webpack builds in parallel
core-js	Modular standard library for JavaScript to polyfill ECMAScript features
es-check	Verifies that the built bundles conform to the targeted ECMAScript versions
eslint	Tool for identifying and reporting on patterns found in JavaScript code
globals	Global identifiers from different JavaScript environments
jsdoc	Generates the API documentation from the JSDoc comments in the source code
karma	Testrunner for unit and functional tests
karma-browserstack-launcher	Launch tests on Browserstack via Karma
karma-chai	Use asserts like "expect" from the chai library
karma-chrome-launcher	Launches Chrome for unit and functional tests
karma-coverage	Creates coverage report for unit tests
karma-firefox-launcher	Launches Firefox for unit and functional tests
karma-htmlfile-reporter	Creates an HTML test report for functional tests
karma-junit-reporter	Creates a JUnit test report for unit and functional test
karma-mocha	Testframework for unit and functional tests
karma-mocha-reporter	Mocha like test output for unit tests
karma-safarinative-launcher	Launches Safari for test execution on macOS
karma-webpack	Webpack bundler for Karma testcases
mermaid	Renders the architecture diagrams in this documentation
mocha	JavaScript test framework for our unit and functional tests
nise	Fake XHR/server implementations used in unit tests
publint	Lints package.json and the published package for packaging errors
rimraf	Dependency to remove dist folder before building dash.js
sinon	Standalone and test framework agnostic JavaScript test spies, stubs and mocks
stream-browserify	The stream module from node core, for browsers
string-replace-loader	Used to perform text replacements when building with webpack
timers-browserify	Adds support for the timers module to browserify
typescript	TypeScript adds optional types to JavaScript; used to verify index.d.ts
vitepress	Static site generator used to build this documentation site
vitepress-plugin-mermaid	Mermaid diagram support for the documentation site
webpack	Module bundler used to create the dash.js builds
webpack-cli	Allows setup of webpack custom configuration
webpack-dev-server	Development server that uses webpack for bundling
webpack-merge	Used to merge Webpack configuration files
yargs	Parses arguments provided via command line for execution of functional tests