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17 lines
707 B
JavaScript
17 lines
707 B
JavaScript
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import { join } from 'path'
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import buildConfigChain from 'babel-core/lib/transformation/file/options/build-config-chain'
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export default function findBabelConfigLocation (dir) {
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// We need to provide a location of a filename inside the `dir`.
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// For the name of the file, we could be provide anything.
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const filename = join(dir, 'filename.js')
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const options = { babelrc: true, filename }
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// First We need to build the config chain.
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// Then we need to remove the config item with the location as "base".
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// That's the config we are passing as the "options" below
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const configList = buildConfigChain(options).filter(i => i.loc !== 'base')
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return configList[0] ? configList[0].loc : null
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}
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