feat: disable cdn when enablePreview is called

closes #45

docs/content/en/configuration.md

@@ -107,6 +107,13 @@ Add a global `<SanityContent>` component to display portable text. See [the docs
 
 If you have `components: true` set in your `nuxt.config` file, then this helper will be registered with `@nuxt/components` and imported only where needed, rather than registered globally.
 
+### `disableSmartCdn`
+
+- Type: **boolean**
+- Default: **`false`**
+
+By default, if [Preview Mode](https://nuxtjs.org/docs/2.x/features/live-preview) has been switched on, `useCdn` will be disabled. If this behaviour isn't desirable, you can disable it by setting `{ disableSmartCdn: false }`.
+
 ### `additionalClients`
 
 - Type: **Object**

src/index.ts

@@ -25,6 +25,13 @@ export interface SanityModuleOptions extends Partial<SanityConfiguration> {
    * @default true
    */
   contentHelper?: boolean
+  /**
+   * Don't disable `useCdn` when preview mode is on
+   * https://nuxtjs.org/docs/2.x/features/live-preview/
+   *
+   * @default false
+   */
+  disableSmartCdn?: boolean
   /**
    * Configuration for any additional clients
    */

templates/plugin.js

@@ -34,8 +34,11 @@ const createSanity = options => ({
 /**
  * @type {import('@nuxt/types').Plugin}
  */
-export default async ({ $config }, inject) => {
+export default async (context, inject) => {
+  const { $config } = context
   const options = defu($config && $config.sanity || {}, _options)
+
+  if (!options.disableSmartCdn && '$preview' in context) options.useCdn = false
   const additionalClients = defu($config && $config.sanity && $config.sanity.additionalClients || {}, _additionalClients)
 
   inject('sanity', {