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babel.config.js
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babel.config.js
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/**
* Copyright (c) 2017-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
module.exports = function(api) {
api.cache(true);
const plugins = [
"@babel/plugin-syntax-flow",
"@babel/plugin-syntax-jsx",
"@babel/plugin-transform-flow-strip-types",
"@babel/plugin-transform-react-jsx",
"@babel/plugin-transform-react-display-name",
"@babel/plugin-proposal-class-properties",
"@babel/plugin-proposal-object-rest-spread",
];
// Webpack bundle
if (process.env.NODE_ENV === "production") {
return {
presets: [
[
"@babel/env",
{
targets: {
ie: "10",
},
forceAllTransforms: true,
},
],
"@babel/preset-flow",
],
plugins,
};
}
// Default
return {
presets: [
[
"@babel/env",
{
targets: {
node: "6.10",
},
},
],
"@babel/preset-flow",
],
plugins,
// `lib` files are already compiled with Babel. Don't try to compile them again.
ignore: ["lib/**/*.js"],
};
};