* first action! (#1)

node_modules/npm-registry-fetch/errors.js

@@ -0,0 +1,79 @@
+'use strict'
+
+const url = require('url')
+
+function packageName (href) {
+  try {
+    let basePath = url.parse(href).pathname.substr(1)
+    if (!basePath.match(/^-/)) {
+      basePath = basePath.split('/')
+      var index = basePath.indexOf('_rewrite')
+      if (index === -1) {
+        index = basePath.length - 1
+      } else {
+        index++
+      }
+      return decodeURIComponent(basePath[index])
+    }
+  } catch (_) {
+    // this is ok
+  }
+}
+
+class HttpErrorBase extends Error {
+  constructor (method, res, body, spec) {
+    super()
+    this.headers = res.headers.raw()
+    this.statusCode = res.status
+    this.code = `E${res.status}`
+    this.method = method
+    this.uri = res.url
+    this.body = body
+    this.pkgid = spec ? spec.toString() : packageName(res.url)
+  }
+}
+module.exports.HttpErrorBase = HttpErrorBase
+
+class HttpErrorGeneral extends HttpErrorBase {
+  constructor (method, res, body, spec) {
+    super(method, res, body, spec)
+    this.message = `${res.status} ${res.statusText} - ${
+      this.method.toUpperCase()
+    } ${
+      this.spec || this.uri
+    }${
+      (body && body.error) ? ' - ' + body.error : ''
+    }`
+    Error.captureStackTrace(this, HttpErrorGeneral)
+  }
+}
+module.exports.HttpErrorGeneral = HttpErrorGeneral
+
+class HttpErrorAuthOTP extends HttpErrorBase {
+  constructor (method, res, body, spec) {
+    super(method, res, body, spec)
+    this.message = 'OTP required for authentication'
+    this.code = 'EOTP'
+    Error.captureStackTrace(this, HttpErrorAuthOTP)
+  }
+}
+module.exports.HttpErrorAuthOTP = HttpErrorAuthOTP
+
+class HttpErrorAuthIPAddress extends HttpErrorBase {
+  constructor (method, res, body, spec) {
+    super(method, res, body, spec)
+    this.message = 'Login is not allowed from your IP address'
+    this.code = 'EAUTHIP'
+    Error.captureStackTrace(this, HttpErrorAuthIPAddress)
+  }
+}
+module.exports.HttpErrorAuthIPAddress = HttpErrorAuthIPAddress
+
+class HttpErrorAuthUnknown extends HttpErrorBase {
+  constructor (method, res, body, spec) {
+    super(method, res, body, spec)
+    this.message = 'Unable to authenticate, need: ' + res.headers.get('www-authenticate')
+    Error.captureStackTrace(this, HttpErrorAuthUnknown)
+  }
+}
+module.exports.HttpErrorAuthUnknown = HttpErrorAuthUnknown