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format-diff.js	2.48 MB	View DL Edit
index.js	1.23 MB	View DL Edit
should-print-patch.js	516 B	View DL Edit
tarball.js	1.07 MB	View DL Edit
untar.js	2.33 MB	View DL Edit

Edit file: /lib/node_modules/npm/node_modules/libnpmdiff/lib/untar.js

const tar = require('tar')
const minimatch = require('minimatch')

const normalizeMatch = str => str
  .replace(/\\+/g, '/')
  .replace(/^\.\/|^\./, '')

// files and refs are mutating params
// filterFiles, item, prefix and opts are read-only options
const untar = ({ files, refs }, { filterFiles, item, prefix }) => {
  tar.list({
    filter: (path, entry) => {
      const fileMatch = () =>
        (!filterFiles.length ||
          filterFiles.some(f => {
            const pattern = normalizeMatch(f)
            return minimatch(
              normalizeMatch(path),
              `{package/,}${pattern}`,
              { matchBase: pattern.startsWith('*') }
            )
          }))

// expands usage of simple path filters, e.g: lib or src/
      const folderMatch = () =>
        filterFiles.some(f =>
          normalizeMatch(path).startsWith(normalizeMatch(f)) ||
          normalizeMatch(path).startsWith(`package/${normalizeMatch(f)}`))

if (
        entry.type === 'File' &&
        (fileMatch() || folderMatch())
      ) {
        const key = path.replace(/^[^/]+\/?/, '')
        files.add(key)

// should skip reading file when using --name-only option
        let content
        try {
          entry.setEncoding('utf8')
          content = entry.concat()
        } catch (e) {
          /* istanbul ignore next */
          throw Object.assign(
            new Error('failed to read files'),
            { code: 'EDIFFUNTAR' }
          )
        }

refs.set(`${prefix}${key}`, {
          content,
          mode: `100${entry.mode.toString(8)}`,
        })
        return true
      }
    },
  })
    .on('error', /* istanbul ignore next */ e => {
      throw e
    })
    .end(item)
}

const readTarballs = async (tarballs, opts = {}) => {
  const files = new Set()
  const refs = new Map()
  const arr = [].concat(tarballs)

const filterFiles = opts.diffFiles || []

for (const i of arr) {
    untar({
      files,
      refs,
    }, {
      item: i.item,
      prefix: i.prefix,
      filterFiles,
    })
  }

// await to read all content from included files
  const allRefs = [...refs.values()]
  const contents = await Promise.all(allRefs.map(async ref => ref.content))

contents.forEach((content, index) => {
    allRefs[index].content = content
  })

return {
    files,
    refs,
  }
}

module.exports = readTarballs

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