deps: upgrade npm beta to 5.0.0-beta.56

PR-URL: https://github.com/nodejs/node/pull/12936
Reviewed-By: Anna Henningsen <anna@addaleax.net>

1 files changed, 35 insertions, 0 deletions

diff --git a/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/node-fetch-npm/src/fetch-error.js b/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/node-fetch-npm/src/fetch-error.js
new file mode 100644
index 0000000000..338e1e2729
--- /dev/null
+++ b/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/node-fetch-npm/src/fetch-error.js
@@ -0,0 +1,35 @@
+'use strict'
+
+/**
+ * fetch-error.js
+ *
+ * FetchError interface for operational errors
+ */
+
+/**
+ * Create FetchError instance
+ *
+ * @param   String      message      Error message for human
+ * @param   String      type         Error type for machine
+ * @param   String      systemError  For Node.js system error
+ * @return  FetchError
+ */
+module.exports = FetchError
+function FetchError (message, type, systemError) {
+  Error.call(this, message)
+
+  this.message = message
+  this.type = type
+
+  // when err.type is `system`, err.code contains system error code
+  if (systemError) {
+    this.code = this.errno = systemError.code
+  }
+
+  // hide custom error implementation details from end-users
+  Error.captureStackTrace(this, this.constructor)
+}
+
+FetchError.prototype = Object.create(Error.prototype)
+FetchError.prototype.constructor = FetchError
+FetchError.prototype.name = 'FetchError'