This repo houses the JavaScript implementation of Material Motion. For more information about the project as a whole, check the Starmap.

• To enable the motions and gestures described in the Material Spec to be easily implemented by application authors in the JS ecosystem.

• To make prototyping new animated experiences simpler.

• To allow authors to write views in terms of URLs, and have the system guide the transitions between them.

• To yield a system that feels robust by default. Fragile transitions erode user trust in the overall system: “should I enter my password in a glitchy app?”

This repo houses all the packages that comprise the Material Motion implementation for JavaScript. They are available in packages:

• runtime houses the Runtime. It provides a centralized place for all motion to be registered, so work can be coordinated appropriately and displayed in tooling.

We use lerna to make it easier to work across packages. Rather than running yarn (or npm) in the individual package folders, just use lerna from the root:

• lerna bootstrap will install each packages dependencies, linking across between appropriately when they depend on one another. This is similar to running yarn install in each package.

• lerna run test will run the tests specified in each package's package.json file.

Apache 2.0