How to use tree-shaking with webpack 2 and typescript and angular 2? -

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i have set webpack 2 angular , seems work. not seem though tree-shaking, since have app nothing, , vendor.js still 800+ kb.

it seems there little information available on how turn tree-shaking on, understood it's automatically turned on es6 modules, not work es5. so?

and importantly: how can apply tree-shaking typescript/angular2 webpack2?

i have found nice repository examples on how this.

as mentioned in there , in comments question, there apparently bugs prevent tree-shaking happening. seems mean it's not possible "target": "es5".

we can use es2015, we'll need additional steps (e.g. via babel) compile es5 until browsers support it.


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