Igor Minar b746c64229 WIP: test: add tree-shaking test (#8979)
* test: add tree-shaking test

currently this doesn't throw or break the build, first we need to resolve all
of the existing issues.

to run execute: ./tools/tree-shaking-test/test.sh

then inspect dist/tree-shaking/test/**/*.bundle.js

* fix(http): remove peerDep on @angular/common

it is not needed there because it will get transitively installed by @angular/platform-browser

we only need to declare this dependency in tsconfig.json because tsconfig.json's
do not support transitive dependencies in this way.
2016-06-08 12:15:09 -07:00

670 B

Rollup tree-shaking test

The purpose of this test is to verify how much stuff can be tree-shaken from our packages.

The test generates an empty js file that imports everything from a particular package but doesn't use any of the imported references.

In the ideal scenario Rollup should detect that none of the references are being used and should create an empty bundle file.

In reality there is a lot of stuff preserved in the bundle because Rollup is currently not able to make a safe decision to remove many of the unused symbols.

To run execute: ./tools/tree-shaking-test/test.sh

then inspect dist/tree-shaking/test/**/*.bundle.js