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chore(gestures): fix treeshaking for core #2447

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merged 1 commit into from
Jan 4, 2017

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Treeshaking may break in Webpack and other bundlers for the core exports because our compiled JavaScript files are trying to export everything (export *) from the gesture-annotations file

The problem with the gesture-annotations is, that the transpiled JavaScript file is barely empty (due to TypeScript-only interfaces)

When exporting the different interfaces manually, TypeScript is smart-enough to export nothing in the resulting JavaScript file.

See response from the Webpack team - webpack/webpack#3584 (comment)

@jelbourn Also thought about moving the annotations to the gesture-config file, but it's definitely nicer to have them separated.

Closes #2401

* Treeshaking may break in Webpack and other bundlers for the `core` exports because our compiled JavaScript files are trying to export everything (`export *`) from the gesture-annotations file
   The problem with the `gesture-annotations` is, that the transpiled JavaScript file is barely empty (due to TypeScript-only interfaces)

* When exporting the different interfaces manually, TypeScript is smart-enough to export nothing in the resulting JavaScript file.

Closes angular#2401
@devversion devversion requested a review from jelbourn December 28, 2016 15:38
@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Dec 28, 2016
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LGTM

@jelbourn jelbourn added pr: lgtm action: merge The PR is ready for merge by the caretaker and removed pr: needs review labels Jan 3, 2017
@kara kara merged commit ec21ae1 into angular:master Jan 4, 2017
@devversion devversion deleted the chore/hammer-types-cjs branch January 4, 2017 19:06
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webpack2: Cannot read property 'forRoot' of undefined
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