Commit 1a8003d

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Add support for decorators (#5659)

* Turn on decorators * Add decorator test

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`@@ -117,6 +117,11 @@ module.exports = function(api, opts, env) {`
`117`	`117`	`// in practice some other transforms (such as object-rest-spread)`
`118`	`118`	`// don't work without it: https://github.com/babel/babel/issues/7215`
`119`	`119`	`require('@babel/plugin-transform-destructuring').default,`
	`120`	`+ // Turn on legacy decorators for TypeScript files`
	`121`	`+ isTypeScriptEnabled && [`
	`122`	`+ require('@babel/plugin-proposal-decorators').default,`
	`123`	`+ false,`
	`124`	`+ ],`
`120`	`125`	`// class { handleClick = () => { }}`
`121`	`126`	`// Enable loose mode to use assignment instead of defineProperty`
`122`	`127`	`// See discussion in https://github.com/facebook/create-react-app/issues/4263`
`@@ -166,5 +171,16 @@ module.exports = function(api, opts, env) {`
`166`	`171`	`// Transform dynamic import to require`
`167`	`172`	`require('babel-plugin-dynamic-import-node'),`
`168`	`173`	`].filter(Boolean),`
	`174`	`+ overrides: [`
	`175`	`+ isTypeScriptEnabled && {`
	`176`	`+ test: /\.tsx?$/,`
	`177`	`+ plugins: [`
	`178`	`+ [`
	`179`	`+ require('@babel/plugin-proposal-decorators').default,`
	`180`	`+ { legacy: true },`
	`181`	`+ ],`
	`182`	`+ ],`
	`183`	`+ },`
	`184`	`+ ].filter(Boolean),`
`169`	`185`	`};`
`170`	`186`	`};`

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`@@ -19,6 +19,7 @@`
`19`	`19`	`"dependencies": {`
`20`	`20`	`"@babel/core": "7.1.0",`
`21`	`21`	`"@babel/plugin-proposal-class-properties": "7.1.0",`
	`22`	`+ "@babel/plugin-proposal-decorators": "7.1.2",`
`22`	`23`	`"@babel/plugin-proposal-object-rest-spread": "7.0.0",`
`23`	`24`	`"@babel/plugin-syntax-dynamic-import": "7.0.0",`
`24`	`25`	`"@babel/plugin-transform-classes": "7.1.0",`

Lines changed: 5 additions & 0 deletions

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`@@ -6,9 +6,14 @@ interface MyType {`
`6`	`6`
`7`	`7`	`type MyObject = Pick<MyType, 'bar' \| 'baz'>;`
`8`	`8`
	`9`	`+@annotation`
`9`	`10`	`class App {`
`10`	`11`	`static foo: MyObject = { bar: true, baz: { n: 123 } };`
`11`	`12`	`n = App.foo.baz!.n;`
`12`	`13`	`}`
`13`	`14`
	`15`	`+function annotation(target: any) {`
	`16`	`+ target.annotated = true;`
	`17`	`+}`
	`18`	`+`
`14`	`19`	`export default App;`

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`@@ -0,0 +1,5 @@`
	`1`	`+{`
	`2`	`+ "compilerOptions": {`
	`3`	`+ "experimentalDecorators": true`
	`4`	`+ }`
	`5`	`+}`

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