File Explorer

1// take a path and a resolved value, and turn it into a resolution from2// the given new path.  This is used with converting a package.json's3// relative file: path into one suitable for a lockfile, or between4// lockfiles, and for converting hosted git repos to a consistent url type.5const npa = require('npm-package-arg')6const relpath = require('./relpath.js')7const consistentResolve = (resolved, fromPath, toPath, relPaths = false) => {8  if (!resolved) {9    return null10  }11 12  try {13    const hostedOpt = { noCommittish: false }14    const {15      fetchSpec,16      saveSpec,17      type,18      hosted,19      rawSpec,20      raw,21    } = npa(resolved, fromPath)22    if (type === 'file' || type === 'directory') {23      if (relPaths && toPath) {24        return `file:${relpath(toPath, fetchSpec)}`25      }26      return `file:${fetchSpec}`27    }28    if (hosted) {29      return `git+${hosted.auth ? hosted.https(hostedOpt) : hosted.sshurl(hostedOpt)}`30    }31    if (type === 'git') {32      return saveSpec33    }34    if (rawSpec === '*') {35      return raw36    }37    return rawSpec38  } catch (_) {39    // whatever we passed in was not acceptable to npa.40    // leave it 100% untouched.41    return resolved42  }43}44module.exports = consistentResolve45