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Add babel-plugin-transform-exponentiation-operator to babel-preset-react-native 

Summary:
Adds the dependency to the Babel preset's package.json and enables the plugin only when `**` exists in a source file.

This is https://github.com/facebook/react-native/pull/12339 with merge conflicts resolved and putting the plugin behind a cheaper heuristic.
Closes https://github.com/facebook/react-native/pull/16191

Differential Revision: D6023857

Pulled By: hramos

fbshipit-source-id: 16f4a5f14780c27d2ef95fa7e8d8b611fa992aa0
This commit is contained in:
Dylan Vann 2017-10-18 16:31:42 -07:00 committed by Facebook Github Bot
parent 63848bdde5
commit 30b057fa9c
3 changed files with 6 additions and 1 deletions
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3
babel-preset/configs/main.js
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@ -57,6 +57,9 @@ const getPreset = (src, options) => {
if (isNull || src.indexOf('`') !== -1) {
plugins.push('transform-es2015-template-literals');
}
if (isNull || src.indexOf('**') !== -1) {
plugins.push('transform-exponentiation-operator');
}
if (isNull || src.indexOf('Object.assign') !== -1) {
plugins.push('transform-object-assign');
}

3
babel-preset/package.json
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@ -37,12 +37,13 @@
"babel-plugin-transform-es2015-shorthand-properties": "^6.5.0",
"babel-plugin-transform-es2015-spread": "^6.5.0",
"babel-plugin-transform-es2015-template-literals": "^6.5.0",
"babel-plugin-transform-exponentiation-operator": "^6.5.0",
"babel-plugin-transform-flow-strip-types": "^6.5.0",
"babel-plugin-transform-object-assign": "^6.5.0",
"babel-plugin-transform-object-rest-spread": "^6.5.0",
"babel-plugin-transform-react-display-name": "^6.5.0",
"babel-plugin-transform-react-jsx-source": "^6.5.0",
"babel-plugin-transform-react-jsx": "^6.5.0",
"babel-plugin-transform-react-jsx-source": "^6.5.0",
"babel-plugin-transform-regenerator": "^6.5.0",
"babel-template": "^6.24.1",
"react-transform-hmr": "^1.0.4"

1
package.json
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@ -142,6 +142,7 @@
"babel-plugin-syntax-trailing-function-commas": "^6.20.0",
"babel-plugin-transform-async-to-generator": "6.16.0",
"babel-plugin-transform-class-properties": "^6.18.0",
"babel-plugin-transform-exponentiation-operator": "^6.5.0",
"babel-plugin-transform-flow-strip-types": "^6.21.0",
"babel-plugin-transform-object-rest-spread": "^6.20.2",
"babel-register": "^6.24.1",