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@happy-dom/jest-environment
Advanced tools
This package makes it possible to use Happy DOM with Jest.
npm install @happy-dom/jest-environment --save-dev
Jest uses node
as test environment by default. In order to tell Jest to use a different environment we will either have to set a CLI attribute, define it in "package.json" or add a property to your Jest config file.
When calling the "jest" command, add --env=@happy-dom/jest-environment
as an attribute.
jest --env=@happy-dom/jest-environment
It is possible to add your Jest config to your package.json
.
{
"jest": {
"testEnvironment": "@happy-dom/jest-environment"
}
}
When using a Jest config file (usually jest.config.js), add the snippet below to it.
{
"testEnvironment": "@happy-dom/jest-environment"
}
It is possible to send in Happy DOM Browser Settings as environment options to Jest.
{
"testEnvironment": "@happy-dom/jest-environment",
"testEnvironmentOptions": {
"url": "http://localhost",
"width": 1920,
"height": 1080,
"settings": {
"navigator": {
"userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"
}
}
}
}
Documentation | Getting Started | Setup as Test Environment | GitHub
FAQs
Use Happy DOM as environment in Jest.
We found that @happy-dom/jest-environment demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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