fix: add decoratorsBeforeExport options for decorators

Author: JounQin

README.md

@@ -50,12 +50,13 @@ npm i -D babel-preset-proposal-typescript
 
 ## Options
 
-| option             | description                                                        | defaults                              |
-| ------------------ | ------------------------------------------------------------------ | ------------------------------------- |
-| `classLoose`       | whether to use loose mode for class properties and private methods | `true`                                |
-| `decoratorsLegacy` | whether to use legacy decorators semantic                          | `true`                                |
-| `isTSX`            | whether to enable `jsx` plugin with `typescript`                   | `false`, `true` but for `/\.[jt]sx$/` |
-| `pipelineOperator` | implementation of pipeline operator                                | `"minimal"`                           |
+| option                   | description                                                                                              | defaults                              |
+| ------------------------ | -------------------------------------------------------------------------------------------------------- | ------------------------------------- |
+| `classLoose`             | whether to use loose mode for class properties and private methods                                       | `true`                                |
+| `decoratorsBeforeExport` | See [Babel Document](https://babeljs.io/docs/en/babel-plugin-proposal-decorators#decoratorsbeforeexport) | N/A                                   |
+| `decoratorsLegacy`       | whether to use legacy decorators semantic                                                                | `true`                                |
+| `isTSX`                  | whether to enable `jsx` plugin with `typescript`                                                         | `false`, `true` but for `/\.[jt]sx$/` |
+| `pipelineOperator`       | implementation of pipeline operator                                                                      | `"minimal"`                           |
 
 ## Usage
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "babel-preset-proposal-typescript",
-  "version": "1.4.2",
+  "version": "1.4.3",
   "description": "Yet another Babel preset for TypeScript, only transforms proposals which TypeScript does not support now.",
   "repository": "[email protected]/rx-ts/babel-preset-proposal-typescript.git",
   "author": "JounQin <[email protected]>",

src/index.ts

@@ -22,6 +22,7 @@ export default declare((api, opts) => {
 
   const {
     classLoose = true,
+    decoratorsBeforeExport,
     decoratorsLegacy = true,
     isTSX,
     pipelineOperator = 'minimal',
@@ -32,6 +33,7 @@ export default declare((api, opts) => {
       [
         syntaxDecorators,
         {
+          decoratorsBeforeExport,
           legacy: decoratorsLegacy,
         },
       ],