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Opting into Angular Ivy
Ivy is the code name for Angular's next-generation compilation and rendering pipeline. Starting with Angular version 8, you can choose to opt in to start using Ivy now, and help in its continuing develpment and tuning.
Using Ivy in a new project
To start a new project with Ivy enabled, use the --enable-ivy flag with the ng new command:
ng new shiny-ivy-app --enable-ivy
The new project is automatically configured for Ivy. Specifically, the enableIvy option is set to true in the project's tsconfig.app.json file.
Using Ivy in an existing project
To update an existing project to use Ivy, set the enableIvy option in the angularCompilerOptions in your project's tsconfig.app.json.
{
"compilerOptions": { ... },
"angularCompilerOptions": {
"enableIvy": true
}
}
To stop using the Ivy compiler, set enableIvy to false in tsconfig.app.json, or remove it completely.