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ES2015 Class with decorators are not being treeshaken away #14610
Description
🐞 Bug report
Command (mark with an x)
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- [x] build
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- [ ] run
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Description
When not using tsickle, TypeScript emits the following code for classes which have property or method decorators
export class foo {
bar() {
}
}
__decorate([
decorator()
], foo.prototype, "bar", null);The problematic as terser is unable to drop the above code if the Class is unused.
🌍 Your Environment
Angular CLI: 8.0.0
Node: 11.0.0
OS: win32 x64
Angular: 8.0.0
... animations, cli, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Package Version
-----------------------------------------------------------
@angular-devkit/architect 0.800.0
@angular-devkit/build-angular 0.800.0
@angular-devkit/build-optimizer 0.800.0
@angular-devkit/build-webpack 0.800.0
@angular-devkit/core 8.0.0
@angular-devkit/schematics 8.0.0
@ngtools/webpack 8.0.0
@schematics/angular 8.0.0
@schematics/update 0.800.0
rxjs 6.4.0
typescript 3.4.5
webpack 4.30.0
Anything else relevant?
Related to #14577
Activity
[-]ES2015 class with decorators are not being treeshaken away[/-][+]ES2015 Class with decorators are not being treeshaken away[/+]fix(@angular-devkit/build-optimizer): wrap es2015 class expressions f…
fix(@angular-devkit/build-optimizer): wrap ClassDeclarations in an II…
fix(@angular-devkit/build-optimizer): wrap es2015 class expressions f…
fix(@angular-devkit/build-optimizer): wrap ClassDeclarations in an II…
kumaresan-subramani commentedon Aug 21, 2019
Hi @alan-agius4 ,
still facing same issue, tree-shaking not working properly
#15396
angular-automatic-lock-bot commentedon Sep 21, 2019
This issue has been automatically locked due to inactivity.
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fix(@angular-devkit/build-optimizer): wrap ClassDeclarations in an II…