1 files changed, 70 insertions, 0 deletions
diff --git a/deps/node/deps/npm/node_modules/pacote/extract.js b/deps/node/deps/npm/node_modules/pacote/extract.js
new file mode 100644
index 00000000..d2ab47de
--- /dev/null
+++ b/deps/node/deps/npm/node_modules/pacote/extract.js
@@ -0,0 +1,70 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const extractStream = require('./lib/extract-stream.js')
+const fs = require('fs')
+const mkdirp = BB.promisify(require('mkdirp'))
+const npa = require('npm-package-arg')
+const optCheck = require('./lib/util/opt-check.js')
+const path = require('path')
+const rimraf = BB.promisify(require('rimraf'))
+const withTarballStream = require('./lib/with-tarball-stream.js')
+
+const truncateAsync = BB.promisify(fs.truncate)
+const readFileAsync = BB.promisify(fs.readFile)
+const appendFileAsync = BB.promisify(fs.appendFile)
+
+module.exports = extract
+function extract (spec, dest, opts) {
+  opts = optCheck(opts)
+  spec = npa(spec, opts.where)
+  const startTime = Date.now()
+
+  return withTarballStream(spec, opts, stream => {
+    return tryExtract(spec, stream, dest, opts)
+  })
+    .then(() => {
+      if (!opts.resolved) {
+        const pjson = path.join(dest, 'package.json')
+        return readFileAsync(pjson, 'utf8')
+          .then(str => truncateAsync(pjson)
+            .then(() => appendFileAsync(pjson, str.replace(
+              /}\s*$/,
+              `\n,"_resolved": ${
+                JSON.stringify(opts.resolved || '')
+              }\n,"_integrity": ${
+                JSON.stringify(opts.integrity || '')
+              }\n,"_from": ${
+                JSON.stringify(spec.toString())
+              }\n}`
+            ))))
+      }
+    })
+    .then(() => opts.log.silly(
+      'extract',
+      `${spec} extracted to ${dest} (${Date.now() - startTime}ms)`
+    ))
+}
+
+function tryExtract (spec, tarStream, dest, opts) {
+  return new BB((resolve, reject) => {
+    tarStream.on('error', reject)
+    setImmediate(resolve)
+  })
+    .then(() => rimraf(dest))
+    .then(() => mkdirp(dest))
+    .then(() => new BB((resolve, reject) => {
+      const xtractor = extractStream(spec, dest, opts)
+      tarStream.on('error', reject)
+      xtractor.on('error', reject)
+      xtractor.on('close', resolve)
+      tarStream.pipe(xtractor)
+    }))
+    .catch(err => {
+      if (err.code === 'EINTEGRITY') {
+        err.message = `Verification failed while extracting ${spec}:\n${err.message}`
+      }
+      throw err
+    })
+}