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ðŸ“ ..
ðŸ“„ child-path.js(290 B)
ðŸ“ completion
ðŸ“„ completion.sh(1.62 KB)
ðŸ“„ correct-mkdir.js(3.04 KB)
ðŸ“„ deep-sort-object.js(424 B)
ðŸ“„ depr-check.js(390 B)
ðŸ“„ error-handler.js(4.99 KB)
ðŸ“„ error-message.js(9.69 KB)
ðŸ“„ escape-arg.js(673 B)
ðŸ“„ escape-exec-path.js(777 B)
ðŸ“„ gently-rm.js(8.65 KB)
ðŸ“„ get-publish-config.js(807 B)
ðŸ“„ git.js(1.21 KB)
ðŸ“„ is-windows-bash.js(129 B)
ðŸ“„ is-windows-shell.js(153 B)
ðŸ“„ is-windows.js(59 B)
ðŸ“„ lifecycle.js(11.37 KB)
ðŸ“„ link.js(2.02 KB)
ðŸ“„ locker.js(1.81 KB)
ðŸ“„ map-to-registry.js(2.66 KB)
ðŸ“„ module-name.js(949 B)
ðŸ“„ no-progress-while-running.js(541 B)
ðŸ“„ output.js(210 B)
ðŸ“„ package-id.js(399 B)
ðŸ“„ parse-json.js(592 B)
ðŸ“„ pulse-till-done.js(426 B)
ðŸ“„ read-local-package.js(329 B)
ðŸ“„ rename.js(319 B)
ðŸ“„ save-stack.js(349 B)
ðŸ“„ spawn.js(1.38 KB)
ðŸ“„ tar.js(14.46 KB)
ðŸ“„ temp-filename.js(173 B)
ðŸ“„ umask.js(343 B)
ðŸ“„ usage.js(576 B)
ðŸ“„ warn-deprecated.js(556 B)

Editing: link.js

module.exports = link
link.ifExists = linkIfExists

var fs = require('graceful-fs')
var chain = require('slide').chain
var mkdir = require('mkdirp')
var rm = require('./gently-rm.js')
var path = require('path')
var npm = require('../npm.js')

function linkIfExists (from, to, gently, cb) {
  fs.stat(from, function (er) {
    if (er) return cb()
    fs.readlink(to, function (er, fromOnDisk) {
      // if the link already exists and matches what we would do,
      // we don't need to do anything
      if (!er) {
        var toDir = path.dirname(to)
        var absoluteFrom = path.resolve(toDir, from)
        var absoluteFromOnDisk = path.resolve(toDir, fromOnDisk)
        if (absoluteFrom === absoluteFromOnDisk) return cb()
      }
      link(from, to, gently, cb)
    })
  })
}

function resolveIfSymlink (maybeSymlinkPath, cb) {
  fs.lstat(maybeSymlinkPath, function (err, stat) {
    if (err) return cb.apply(this, arguments)
    if (!stat.isSymbolicLink()) return cb(null, maybeSymlinkPath)
    fs.readlink(maybeSymlinkPath, cb)
  })
}

function ensureFromIsNotSource (from, to, cb) {
  resolveIfSymlink(from, function (err, fromDestination) {
    if (err) return cb.apply(this, arguments)
    if (path.resolve(path.dirname(from), fromDestination) === path.resolve(to)) {
      return cb(new Error('Link target resolves to the same directory as link source: ' + to))
    }
    cb.apply(this, arguments)
  })
}

function link (from, to, gently, abs, cb) {
  if (typeof cb !== 'function') {
    cb = abs
    abs = false
  }
  if (typeof cb !== 'function') {
    cb = gently
    gently = null
  }
  if (npm.config.get('force')) gently = false

to = path.resolve(to)
  var toDir = path.dirname(to)
  var absTarget = path.resolve(toDir, from)
  var relativeTarget = path.relative(toDir, absTarget)
  var target = abs ? absTarget : relativeTarget

chain(
    [
      [ensureFromIsNotSource, absTarget, to],
      [fs, 'stat', absTarget],
      [rm, to, gently],
      [mkdir, path.dirname(to)],
      [fs, 'symlink', target, to, 'junction']
    ],
    cb
  )
}

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Editing: link.js

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