feat(types): add runtimeConfig types (nuxt/typescript#368)

Co-Authored-By: Kevin Marrec <kevin@marrec.io>

packages/types/app/index.d.ts

@@ -3,6 +3,7 @@ import { IncomingMessage } from 'connect'
 import Vue, { ComponentOptions } from 'vue'
 import VueRouter, { Location, Route } from 'vue-router'
 import { Store } from 'vuex'
+import { NuxtRuntimeConfig } from '../config/runtime'
 
 // augment typings of Vue.js
 import './vue'
@@ -13,6 +14,8 @@ import './vuex'
 type NuxtState = Record<string, any>
 
 export interface Context {
+  $config: NuxtRuntimeConfig
+
   app: NuxtAppOptions
   base: string
   /**

packages/types/app/vue.d.ts

@@ -2,10 +2,11 @@
  * Extends interfaces in Vue.js
  */
 
-import Vue, { ComponentOptions } from 'vue'
+import Vue from 'vue'
 import { MetaInfo } from 'vue-meta'
 import { Route } from 'vue-router'
 import { Context, Middleware, Transition, NuxtApp } from './index'
+import { NuxtRuntimeConfig } from '../config/runtime'
 
 declare module 'vue/types/options' {
   interface ComponentOptions<V extends Vue> {
@@ -28,6 +29,7 @@ declare module 'vue/types/options' {
 
 declare module 'vue/types/vue' {
   interface Vue {
+    $config: NuxtRuntimeConfig
     $nuxt: NuxtApp
     $fetch(): void
     $fetchState: {

packages/types/config/index.d.ts

@@ -13,6 +13,7 @@ import { NuxtOptionsModule } from './module'
 import { NuxtOptionsPlugin } from './plugin'
 import { NuxtOptionsRender } from './render'
 import { NuxtOptionsRouter } from './router'
+import { NuxtConfigurationRuntimeConfig } from './runtime'
 import { NuxtOptionsServer } from './server'
 import { NuxtOptionsServerMiddleware } from './server-middleware'
 import { NuxtOptionsVueConfiguration } from './vue-configuration'
@@ -50,6 +51,8 @@ export interface NuxtOptions extends Record<string, any> {
   modules: NuxtOptionsModule[]
   modulesDir: string[]
   plugins: NuxtOptionsPlugin[]
+  privateRuntimeConfig?: NuxtConfigurationRuntimeConfig
+  publicRuntimeConfig?: NuxtConfigurationRuntimeConfig
   render: NuxtOptionsRender
   rootDir: string
   router: NuxtOptionsRouter

packages/types/config/runtime.d.ts

@@ -0,0 +1,10 @@
+/**
+* NuxtConfigurationRuntimeConfig
+* NuxtRuntimeConfig interface can be extended by users to enable intellisense on $config
+*/
+
+export interface NuxtRuntimeConfig {
+  [key: string]: any
+}
+
+export type NuxtConfigurationRuntimeConfig = NuxtRuntimeConfig | ((env: typeof process.env) => NuxtRuntimeConfig)