git ssb

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// TODO extract into `bulk-require-async`
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// and `bulkify-async`
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// and `./lib/transformModule`
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const { assign, keys } = Object
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const assert = require('assert')
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const { join, sep } = require('path')
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const readDirectory = require('read-directory')
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const Matcher = require('minimatch').Minimatch
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const requireFromString = require('require-from-string')
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const mapValues = require('modify-values')
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module.exports = readModules
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function readModules (options, cb) {
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  const { dirname, types } = options
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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 filePath => matcher.match(filePath)
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  })
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  readDirectory(dirname, {
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    filter: '**/*.js',
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    dirnames: [dirname],
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    transform
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  }, cb)
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  function transform (fileContent, parsedFilePath) {
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    const filePath = join(parsedFilePath.dir, parsedFilePath.base)
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    const path = join(parsedFilePath.dir, parsedFilePath.name).split(sep)
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    const exports = requireFromString(fileContent, filePath, {
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      appendPaths: [dirname]
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    })
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    const module = assign({ path }, exports)
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    const modules = 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(filePath)
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        ? transform(module)
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        : null
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    }, null)
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    return modules
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  }
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}
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