| Name | Example | ECMAScript | TypeScript | Babel |
|---|---|---|---|---|
| Class decorator | @Component() |
Stage 1 | Yes | Yes |
| Property decorator | @Input() |
Stage 1 | Yes | Partial*1 |
| Method Parameter Decorators | @Optional() |
Stage 0 | Yes | No |
| Function Expression Decorators | @memoize function(){}(Angular not yet) |
Stage 0 | No | No |
| Observable | RxJS 5 | Stage 1 | - | - |
| Zone | zone.js | Stage 0 | - | - |
If you found an error, please contact to me.
This table is based on Angular 2 with Babel - Shuhei Kagawa.