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ClassExpression in ES2015 builds produces larger bundles #14577
Description
🐞 Bug report
Command (mark with an x)
- [ ] new
- [x] build
- [ ] serve
- [ ] test
- [ ] e2e
- [ ] generate
- [ ] add
- [ ] update
- [ ] lint
- [ ] xi18n
- [ ] run
- [ ] config
- [ ] help
- [ ] version
- [ ] doc
Is this a regression?
No, but now it effects more users as differential loading is on by default.
Description
TypeScript ClassExpression are not being treeshaken away.
Example codes:
let AggregateColumnDirective = class AggregateColumnDirective {
constructor(viewContainerRef) {
}
};
AggregateColumnDirective = __decorate([
Directive({
selector: 'ejs-grid>e-aggregates>e-aggregate>e-columns>e-column',
inputs: input$1,
outputs: outputs$1,
queries: {}
}),
__metadata("design:paramtypes", [ViewContainerRef])
], AggregateColumnDirective);let ChipList = class ChipList extends Component {
constructor(options, element) {
super(options, element);
}
};
__decorate$4([
Property([])
], ChipList.prototype, "chips", void 0);
ChipList = __decorate$4([
NotifyPropertyChanges
], ChipList);🌍 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?
Activity
[-]CallExpressions in ES2015 builds produces larger bundles[/-][+]ClassExpression in ES2015 builds produces larger bundles[/+]kumaresan-subramani commentedon Jun 6, 2019
HI @alan-agius4 ,
Any update in this?
fix(@angular-devkit/build-optimizer): wrap es2015 class expressions f…
fix(@angular-devkit/build-optimizer): wrap es2015 class expressions f…
kumaresan-subramani commentedon Jun 7, 2019
HI @alan-agius4
Which version of the angular-build-optimizer package do I need to update?
kumaresan-subramani commentedon Jun 10, 2019
Thanks
issue got fixed.
screenshot
kumaresan-subramani commentedon Aug 21, 2019
#15396
angular-automatic-lock-bot commentedon Sep 21, 2019
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fix(@angular-devkit/build-optimizer): wrap es2015 class expressions f…