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@ephox/dom-globals

Description

dom-globals publishes the TypeScript DOM library as a module.

Development

npm i
make

Usage

• npm i @ephox/dom-globals
• remove dom from the lib array in tsconfig.json
• An easy way to deal with your new compile errors is vscode "quick fix"

How and why

This is done in order to remove DOM globals from the namespace of a project, and import them only as necessary.

There are many advantages of this approach:

• Internal modules with the same name as DOM globals are much easier to work with
• It is immediately obvious if a module touches the DOM, and is thus subject to a risk of performance issues and side effects
• Only the necessary parts of the DOM are imported where required, so a typo doesn't lead to referencing some random DOM feature instead of a compile error

Build process discussion

In order to make this work, the build copies the TypeScript lib.dom.d.ts file into the project, and makes two minor (automated) edits:

• removes the no-default-lib reference
• reads the namespace and generates an export block to make it a module.

This avoids forking the DOM library as a checked-in dependency, instead the fork is generated on demand when published. The file legal.txt file is updated with the version of TypeScript during the publish process