The Angular Ivy guide for library authors

This page summarizes the projects mentioned and recommended in the original post on dev.to

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  • ngcc-validation

    Discontinued Angular Ivy library compatibility validation project

  • The Angular compatibility compiler can require some changes to our libraries. If we want to verify that our library works with ngcc, we should at it to the Angular Ivy library compatibility validation project by the Angular team.

  • downlevel-dts

    Convert a new d.ts to one that works with older versions of Typescript

  • The type declaration (*.d.ts) files that are output will contain class getters and setters as of TypeScript version 3.6. This breaks compatibility with earlier veresion of TypeScript. Since Angular applications are almost locked in to the one or few versions that the specific version of Angular CLI and Angular supports as seen in Table 2, if we want to support multiple versions of Angular, we will have to downlevel our output type declarations. This can be done using downlevel-dts by Nathan Shively-Sanders.

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

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  • ng-vdom

    (Developer Preview) A virtual-DOM extension for Angular, also work as React bridge.

  • The Ivy Instruction Set is something like an assembly language or bytecode for DOM content and updates. This simple model will enable some advanced use cases for sure. In fact, it could allow us to use other template engines or create our own like NG-VDOM (which is View Engine-compatible by the way).

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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