fix: Remove figgy-pudding, use canonical option names

BREAKING CHANGE: this removes figgy-pudding, and drops several option
aliases.

Defaults and behavior are all the same, and this module is now using the
canonical camelCase option names that npm v7 will provide to all its
deps.

Related to: npm/rfcs#102

PR-URL: #22
Credit: @isaacs
Close: #22
Reviewed-by: @claudiahdz

Author: isaacs

Diff for: README.md

@@ -181,7 +181,7 @@ to trust only that specific signing authority.
 Multiple CAs can be trusted by specifying an array of certificates instead of a
 single string.
 
-See also [`opts.strict-ssl`](#opts-strict-ssl), [`opts.ca`](#opts-ca) and
+See also [`opts.strictSSL`](#opts-strictSSL), [`opts.ca`](#opts-ca) and
 [`opts.key`](#opts-key)
 
 ##### <a name="opts-cache"></a> `opts.cache`
@@ -194,8 +194,8 @@ will be cached according to [IETF RFC 7234](https://tools.ietf.org/html/rfc7234)
 rules. This will speed up future requests, as well as make the cached data
 available offline if necessary/requested.
 
-See also [`offline`](#opts-offline), [`prefer-offline`](#opts-prefer-offline),
-and [`prefer-online`](#opts-prefer-online).
+See also [`offline`](#opts-offline), [`preferOffline`](#opts-preferOffline),
+and [`preferOnline`](#opts-preferOnline).
 
 ##### <a name="opts-cert"></a> `opts.cert`
 
@@ -216,7 +216,7 @@ It is _not_ the path to a certificate file (and there is no "certfile" option).
 
 See also: [`opts.ca`](#opts-ca) and [`opts.key`](#opts-key)
 
-##### <a name="opts-fetch-retries"></a> `opts.fetch-retries`
+##### <a name="opts-fetchRetries"></a> `opts.fetchRetries`
 
 * Type: Number
 * Default: 2
@@ -227,7 +227,7 @@ packages from the registry.
 See also [`opts.retry`](#opts-retry) to provide all retry options as a single
 object.
 
-##### <a name="opts-fetch-retry-factor"></a> `opts.fetch-retry-factor`
+##### <a name="opts-fetchRetryFactor"></a> `opts.fetchRetryFactor`
 
 * Type: Number
 * Default: 10
@@ -238,7 +238,7 @@ packages.
 See also [`opts.retry`](#opts-retry) to provide all retry options as a single
 object.
 
-##### <a name="opts-fetch-retry-mintimeout"></a> `opts.fetch-retry-mintimeout`
+##### <a name="opts-fetchRetryMintimeout"></a> `opts.fetchRetryMintimeout`
 
 * Type: Number
 * Default: 10000 (10 seconds)
@@ -249,7 +249,7 @@ packages.
 See also [`opts.retry`](#opts-retry) to provide all retry options as a single
 object.
 
-##### <a name="opts-fetch-retry-maxtimeout"></a> `opts.fetch-retry-maxtimeout`
+##### <a name="opts-fetchRetryMaxtimeout"></a> `opts.fetchRetryMaxtimeout`
 
 * Type: Number
 * Default: 60000 (1 minute)
@@ -260,9 +260,8 @@ packages.
 See also [`opts.retry`](#opts-retry) to provide all retry options as a single
 object.
 
-##### <a name="opts-force-auth"></a> `opts.force-auth`
+##### <a name="opts-forceAuth"></a> `opts.forceAuth`
 
-* Alias: `opts.forceAuth`
 * Type: Object
 * Default: null
 
@@ -288,9 +287,8 @@ Additional headers for the outgoing request. This option can also be used to
 override headers automatically generated by `npm-registry-fetch`, such as
 `Content-Type`.
 
-##### <a name="opts-ignore-body"></a> `opts.ignore-body`
+##### <a name="opts-ignoreBody"></a> `opts.ignoreBody`
 
-* Alias: `opts.ignoreBody`
 * Type: Boolean
 * Default: false
 
@@ -317,9 +315,8 @@ previously-generated integrity hash for the saved request information, so
 `EINTEGRITY` errors can happen if [`opts.cache`](#opts-cache) is used, even if
 `opts.integrity` is not passed in.
 
-##### <a name='opts-is-from-ci'></a> `opts.is-from-ci`
+##### <a name='opts-isFromCI'></a> `opts.isFromCI`
 
-* Alias: `opts.isFromCI`
 * Type: Boolean
 * Default: Based on environment variables
 
@@ -343,7 +340,7 @@ It is _not_ the path to a key file (and there is no "keyfile" option).
 
 See also: [`opts.ca`](#opts-ca) and [`opts.cert`](#opts-cert)
 
-##### <a name="opts-local-address"></a> `opts.local-address`
+##### <a name="opts-localAddress"></a> `opts.localAddress`
 
 * Type: IP Address String
 * Default: null
@@ -361,19 +358,17 @@ See also [`opts.proxy`](#opts-proxy)
 Logger object to use for logging operation details. Must have the same methods
 as `npmlog`.
 
-##### <a name="opts-map-json"></a> `opts.map-json`
+##### <a name="opts-mapJSON"></a> `opts.mapJSON`
 
-* Alias: `mapJson`, `mapJSON`
 * Type: Function
 * Default: undefined
 
 When using `fetch.json.stream()` (NOT `fetch.json()`), this will be passed down
 to [`JSONStream`](https://npm.im/JSONStream) as the second argument to
 `JSONStream.parse`, and can be used to transform stream data before output.
 
-##### <a name="opts-maxsockets"></a> `opts.maxsockets`
+##### <a name="opts-maxSockets"></a> `opts.maxSockets`
 
-* Alias: `opts.max-sockets`
 * Type: Integer
 * Default: 12
 
@@ -394,9 +389,8 @@ HTTP method to use for the outgoing request. Case-insensitive.
 
 If true, proxying will be disabled even if [`opts.proxy`](#opts-proxy) is used.
 
-##### <a name="opts-npm-session"></a> `opts.npm-session`
+##### <a name="opts-npmSession"></a> `opts.npmSession`
 
-* Alias: `opts.npmSession`
 * Type: String
 * Default: null
 
@@ -411,7 +405,7 @@ invocations of the CLI).
 
 Force offline mode: no network requests will be done during install. To allow
 `npm-registry-fetch` to fill in missing cache data, see
-[`opts.prefer-offline`](#opts-prefer-offline).
+[`opts.preferOffline`](#opts-preferOffline).
 
 This option is only really useful if you're also using
 [`opts.cache`](#opts-cache).
@@ -448,7 +442,7 @@ That is:
 
 See also [`opts.username`](#opts-username)
 
-##### <a name="opts-prefer-offline"></a> `opts.prefer-offline`
+##### <a name="opts-preferOffline"></a> `opts.preferOffline`
 
 * Type: Boolean
 * Default: false
@@ -463,7 +457,7 @@ This option is generally only useful if you're also using
 This option is set to `false` when the request includes `write=true` in the
 query string.
 
-##### <a name="opts-prefer-online"></a> `opts.prefer-online`
+##### <a name="opts-preferOnline"></a> `opts.preferOnline`
 
 * Type: Boolean
 * Default: false
@@ -477,9 +471,8 @@ This option is generally only useful if you're also using
 This option is set to `true` when the request includes `write=true` in the
 query string.
 
-##### <a name="opts-project-scope"></a> `opts.project-scope`
+##### <a name="opts-projectScope"></a> `opts.projectScope`
 
-* Alias: `opts.projectScope`
 * Type: String
 * Default: null
 
@@ -510,7 +503,6 @@ If the request URI already has a query string, it will be merged with
 
 ##### <a name="opts-refer"></a> `opts.refer`
 
-* Alias: `opts.referer`
 * Type: String
 * Default: null
 
@@ -574,7 +566,7 @@ If provided, can be used to automatically configure [`opts.scope`](#opts-scope)
 based on a specific package name. Non-registry package specs will throw an
 error.
 
-##### <a name="opts-strict-ssl"></a> `opts.strict-ssl`
+##### <a name="opts-strictSSL"></a> `opts.strictSSL`
 
 * Type: Boolean
 * Default: true
@@ -607,7 +599,7 @@ Can be scoped to a registry by using a "nerf dart" for that registry. That is:
 }
 ```
 
-##### <a name="opts-user-agent"></a> `opts.user-agent`
+##### <a name="opts-userAgent"></a> `opts.userAgent`
 
 * Type: String
 * Default: `'npm-registry-fetch@<version>/node@<node-version>+<arch> (<platform>)'`

Diff for: auth.js

@@ -1,17 +1,14 @@
 'use strict'
 
-const config = require('./config.js')
+const defaultOpts = require('./default-opts.js')
 const url = require('url')
 
 module.exports = getAuth
-function getAuth (registry, opts) {
+function getAuth (registry, opts_ = {}) {
   if (!registry) { throw new Error('registry is required') }
-  opts = config(opts)
+  const opts = opts_.forceAuth ? opts_.forceAuth : { ...defaultOpts, ...opts_ }
   const AUTH = {}
   const regKey = registry && registryKey(registry)
-  if (opts.forceAuth) {
-    opts = opts.forceAuth
-  }
   const doKey = (key, alias) => addKey(opts, AUTH, regKey, key, alias)
   doKey('token')
   doKey('_authToken', 'token')

Diff for: check-response.js

@@ -1,12 +1,13 @@
 'use strict'
 
-const config = require('./config.js')
 const errors = require('./errors.js')
 const LRU = require('lru-cache')
 const { Response } = require('minipass-fetch')
+const defaultOpts = require('./default-opts.js')
+
 module.exports = checkResponse
-function checkResponse (method, res, registry, startTime, opts) {
-  opts = config(opts)
+function checkResponse (method, res, registry, startTime, opts_ = {}) {
+  const opts = { ...defaultOpts, ...opts_ }
   if (res.headers.has('npm-notice') && !res.headers.has('x-local-cache')) {
     opts.log.notice('', res.headers.get('npm-notice'))
   }

Diff for: config.js

@@ -0,0 +1,22 @@
+const pkg = require('./package.json')
+const ciDetect = require('@npmcli/ci-detect')
+module.exports = {
+  isFromCI: ciDetect(),
+  log: require('./silentlog.js'),
+  maxSockets: 12,
+  method: 'GET',
+  registry: 'https://registry.npmjs.org/',
+  timeout: 30 * 1000,
+  strictSSL: true,
+  noProxy: process.env.NOPROXY,
+  userAgent: `${pkg.name
+    }@${
+      pkg.version
+    }/node@${
+      process.version
+    }+${
+      process.arch
+    } (${
+      process.platform
+    })`
+}