Merge pull request #11 from menthol/master

feat: allow overrides config by env variable

Author: wobsoriano

README.md

@@ -82,6 +82,46 @@ export default defineNuxtConfig({
 // GET /api/todos -> https://jsonplaceholder.typicode.com/todos [304]
 // GET /api/launches -> https://api.spacexdata.com/v5/launches/latest [304]
 ```
+### Runtime config
+
+Runtime configuration is valid if you put the configuration inside "runtimeConfig" and set your environment variables
+
+```env
+NUXT_PROXY_OPTIONS_TARGET=https://reqres.in/api
+```
+```ts
+export default defineNuxtConfig({
+  modules: ['nuxt-proxy'],
+  runtimeConfig: {
+    proxy: {
+      options: { target: 'https://jsonplaceholder.typicode.com', ...{ /* config */} }
+    }
+  }
+})
+// GET /api/users -> https://reqres.in/api/users [304]
+```
+
+Or for multiple targets
+
+```ts
+export default defineNuxtConfig({
+  modules: ['nuxt-proxy'],
+  runtimeConfig: {
+    proxy: {
+      options: [
+        { target: 'https://jsonplaceholder.typicode.com', ...{ /* config */} },
+        { target: 'https://api.spacexdata.com/v5', ...{ /* config */} },
+      ]
+    }
+  },
+})
+
+// GET /api/todos -> https://jsonplaceholder.typicode.com/todos [304]
+// GET /api/launches -> https://fake.wobsoriano.space/launches/latest [304]
+```
+```env
+NUXT_PROXY_OPTIONS=[{}, {"target": "https://fake.wobsoriano.space"}]
+```
 
 ## License
 

package.json

@@ -49,6 +49,7 @@
   "dependencies": {
     "@nuxt/kit": "3.0.0-rc.12",
     "dedent": "^0.7.0",
+    "defu": "^6.0.0",
     "h3": "^0.8.5",
     "http-proxy-middleware": "^3.0.0-beta.0",
     "ohash": "^0.1.5",

pnpm-lock.yaml

@@ -5,15 +5,19 @@ import { join } from 'pathe'
 import dedent from 'dedent'
 import { hash, objectHash } from 'ohash'
 
-function createProxyMiddleware(buildDir: string, filename: string, options: Options) {
+function createProxyMiddleware(buildDir: string, filename: string, options: Options, index?: number) {
   addTemplate({
     filename,
     write: true,
     getContents: () => dedent`
       import { createProxyMiddleware } from 'nuxt-proxy/middleware'
+      import { defu } from 'defu'
       import { useRuntimeConfig } from '#imports'
 
-      export default createProxyMiddleware(${JSON.stringify(options)})
+      const buildtimeOptions = ${JSON.stringify(options)}
+      const runtimeOptions = [].concat(useRuntimeConfig().proxy?.options)[${JSON.stringify(index)} ?? 0]
+
+      export default createProxyMiddleware(defu(runtimeOptions, buildtimeOptions))
     `,
   })
 
@@ -43,9 +47,9 @@ export default defineNuxtModule<ModuleOptions>({
     const finalConfig = (nuxt.options.runtimeConfig.proxy = nuxt.options.runtimeConfig.proxy || { options: options.options }) as ModuleOptions
 
     if (Array.isArray(finalConfig.options)) {
-      finalConfig.options.forEach((options) => {
+      finalConfig.options.forEach((options, index) => {
         const filename = `proxy/handler_${hash(objectHash(options))}.ts`
-        createProxyMiddleware(nuxt.options.buildDir, filename, options)
+        createProxyMiddleware(nuxt.options.buildDir, filename, options, index)
       })
     }
     else {