Node.js v11.13.0

1 files changed, 108 insertions, 0 deletions

diff --git a/deps/node/deps/npm/lib/install/read-shrinkwrap.js b/deps/node/deps/npm/lib/install/read-shrinkwrap.js
new file mode 100644
index 00000000..70746780
--- /dev/null
+++ b/deps/node/deps/npm/lib/install/read-shrinkwrap.js
@@ -0,0 +1,108 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const fs = require('graceful-fs')
+const iferr = require('iferr')
+const inflateShrinkwrap = require('./inflate-shrinkwrap.js')
+const log = require('npmlog')
+const parseJSON = require('../utils/parse-json.js')
+const path = require('path')
+const PKGLOCK_VERSION = require('../npm.js').lockfileVersion
+
+const readFileAsync = BB.promisify(fs.readFile)
+
+module.exports = readShrinkwrap
+function readShrinkwrap (child, next) {
+  if (child.package._shrinkwrap) return process.nextTick(next)
+  BB.join(
+    maybeReadFile('npm-shrinkwrap.json', child),
+    // Don't read non-root lockfiles
+    child.isTop && maybeReadFile('package-lock.json', child),
+    child.isTop && maybeReadFile('package.json', child),
+    (shrinkwrap, lockfile, pkgJson) => {
+      if (shrinkwrap && lockfile) {
+        log.warn('read-shrinkwrap', 'Ignoring package-lock.json because there is already an npm-shrinkwrap.json. Please use only one of the two.')
+      }
+      const name = shrinkwrap ? 'npm-shrinkwrap.json' : 'package-lock.json'
+      const parsed = parsePkgLock(shrinkwrap || lockfile, name)
+      if (parsed && parsed.lockfileVersion !== PKGLOCK_VERSION) {
+        log.warn('read-shrinkwrap', `This version of npm is compatible with lockfileVersion@${PKGLOCK_VERSION}, but ${name} was generated for lockfileVersion@${parsed.lockfileVersion || 0}. I'll try to do my best with it!`)
+      }
+      child.package._shrinkwrap = parsed
+    }
+  ).then(() => next(), next)
+}
+
+function maybeReadFile (name, child) {
+  return readFileAsync(
+    path.join(child.path, name),
+    'utf8'
+  ).catch({code: 'ENOENT'}, () => null)
+}
+
+module.exports.andInflate = function (child, next) {
+  readShrinkwrap(child, iferr(next, function () {
+    if (child.package._shrinkwrap) {
+      return inflateShrinkwrap(child, child.package._shrinkwrap || {}, next)
+    } else {
+      return next()
+    }
+  }))
+}
+
+const PARENT_RE = /\|{7,}/g
+const OURS_RE = /<{7,}/g
+const THEIRS_RE = /={7,}/g
+const END_RE = />{7,}/g
+
+module.exports._isDiff = isDiff
+function isDiff (str) {
+  return str.match(OURS_RE) && str.match(THEIRS_RE) && str.match(END_RE)
+}
+
+module.exports._parsePkgLock = parsePkgLock
+function parsePkgLock (str, filename) {
+  if (!str) { return null }
+  try {
+    return parseJSON(str)
+  } catch (e) {
+    if (isDiff(str)) {
+      log.warn('conflict', `A git conflict was detected in ${filename}. Attempting to auto-resolve.`)
+      log.warn('conflict', 'To make this happen automatically on git rebase/merge, consider using the npm-merge-driver:')
+      log.warn('conflict', '$ npx npm-merge-driver install -g')
+      const pieces = str.split(/[\n\r]+/g).reduce((acc, line) => {
+        if (line.match(PARENT_RE)) acc.state = 'parent'
+        else if (line.match(OURS_RE)) acc.state = 'ours'
+        else if (line.match(THEIRS_RE)) acc.state = 'theirs'
+        else if (line.match(END_RE)) acc.state = 'top'
+        else {
+          if (acc.state === 'top' || acc.state === 'ours') acc.ours += line
+          if (acc.state === 'top' || acc.state === 'theirs') acc.theirs += line
+          if (acc.state === 'top' || acc.state === 'parent') acc.parent += line
+        }
+        return acc
+      }, {
+        state: 'top',
+        ours: '',
+        theirs: '',
+        parent: ''
+      })
+      try {
+        const ours = parseJSON(pieces.ours)
+        const theirs = parseJSON(pieces.theirs)
+        return reconcileLockfiles(ours, theirs)
+      } catch (_e) {
+        log.error('conflict', `Automatic conflict resolution failed. Please manually resolve conflicts in ${filename} and try again.`)
+        log.silly('conflict', `Error during resolution: ${_e}`)
+        throw e
+      }
+    } else {
+      throw e
+    }
+  }
+}
+
+function reconcileLockfiles (parent, ours, theirs) {
+  return Object.assign({}, ours, theirs)
+}