git ssb

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const { keys, assign } = Object
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const Matcher = require('minimatch').Minimatch
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const mapValues = require('modify-values')
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module.exports = createModuleTransformer
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function createModuleTransformer (types) {
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  // pre-compile type matchers
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  const matchers = mapValues(types, ({ glob }) => {
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    const matcher = Matcher(glob)
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    return filename => matcher.match(filename)
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  })
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  return function transformModule (exports, path) {
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    const filename = path.join('/') + '.js'
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    const module = assign({ path }, exports)
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    const transformedModule = keys(types).reduce((sofar, typeName) => {
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      if (sofar !== null) return sofar
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      const { transform } = types[typeName]
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      const match = matchers[typeName]
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      return match(filename)
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        ? transform(module, { filename })
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        : null
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    }, null)
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    return transformedModule
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  }
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}
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