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optim: specify version in @babel/plugin-transform-runtime #80

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merged 1 commit into from
May 18, 2022
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optim: specify version in @babel/plugin-transform-runtime #80

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14 changes: 11 additions & 3 deletions babel.config.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,12 @@
const pkgJson = require('./package.json')

const runtimeVersion = pkgJson.dependencies['@babel/runtime']
// eslint-disable-next-line dot-notation -- this conflicts with tsc, possibly due to outdated ESLint
const NODE_ENV = process.env['NODE_ENV']

/** @type {import('@babel/core').ConfigFunction} */
module.exports = api => {
// eslint-disable-next-line dot-notation -- this conflicts with tsc, possibly due to outdated ESLint
api.cache.using(() => process.env['NODE_ENV']) // cache based on NODE_ENV
api.cache.using(() => NODE_ENV + '_' + runtimeVersion) // cache based on NODE_ENV and runtimeVersion

// normally use browserslistrc, but for Jest, use current version of Node
const isTest = api.env('test')
Expand All @@ -18,7 +23,10 @@ module.exports = api => {
],
plugins: [
// used with @rollup/plugin-babel
'@babel/plugin-transform-runtime'
['@babel/plugin-transform-runtime', {
regenerator: false, // not used, and would prefer babel-polyfills over this anyway
version: runtimeVersion // @babel/runtime's version
}]
]
}
}