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3 changes: 2 additions & 1 deletion .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -5,4 +5,5 @@ private
registry/
.nyc_output
/.coveralls.yml
dist
dist
dist-es
73 changes: 45 additions & 28 deletions babel.config.js
Original file line number Diff line number Diff line change
@@ -1,33 +1,50 @@
module.exports = function getBabelConfiguration(api) {
api.cache(true);
const plugins = [
'@babel/plugin-transform-runtime',
'@babel/plugin-proposal-do-expressions',
'@babel/plugin-proposal-class-properties'
];
return {
comments: false,
presets: [
'@babel/preset-flow',
[
'@babel/preset-env',
{
shippedProposals: true,
useBuiltIns: 'usage',
corejs: '3.0.0',
targets: {
node: '9',
browsers: [
'last 2 Chrome versions',
'last 2 Firefox versions',
'last 3 Edge versions',
'last 1 Safari versions',
],
},
},
],
...(process.env.NODE_ENV === 'production' ? ['babel-preset-minify'] : []),
].filter(Boolean),
plugins: [
'@babel/plugin-transform-runtime',
'@babel/plugin-proposal-do-expressions',
'@babel/plugin-proposal-class-properties',
...(process.env.NODE_ENV === 'test' ? ['istanbul'] : []),
].filter(Boolean),
env: {
// jest doesn't take account of BABEL_ENV, you need to set NODE_ENV - https://facebook.github.io/jest/docs/getting-started.html#using-babel
commonjs: {
presets: [
'@babel/preset-flow',
[
'@babel/preset-env',
{
useBuiltIns: false,
},
],
],
plugins,
},
es: {
presets: [
'@babel/preset-flow',
[
'@babel/preset-env',
{
useBuiltIns: false,
modules: false,
},
],
],
plugins,
},
test: {
presets: [
'@babel/preset-flow',
[
'@babel/preset-env',
{
useBuiltIns: false,
},
],
],
plugins: [...plugins, 'istanbul'],
},
},
};
};
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