refactor: provide composable for prismic previews

docs/content/en/index.md

@@ -187,19 +187,8 @@ You can override the default preview page by creating a page at the route config
 </template>
 
 <script setup>
-// The following code is quite boilerplate for now, a simpler composable will be provided in the future
-import { onMounted } from 'vue'
-
-const { client, options: { linkResolver } } = usePrismic()
-const { push } = useRouter()
-onMounted(async () => {
-	const redirectURL = await client.resolvePreviewURL({
-		linkResolver,
-		defaultURL: '/'
-	})
-
-	push(redirectURL ?? '/')
-})
+// The following code is mandatory for starting previews when entering this page
+usePrismicPreview()
 </script>
 ```
 

playground/app/prismic/htmlSerializer.ts

@@ -2,8 +2,8 @@ import type * as prismicH from '@prismicio/helpers'
 
 const htmlSerializer: prismicH.HTMLMapSerializer = {
 	// Those are just examples, update them and add your own~
-	heading1: ({ children }) => '<h2>children</h2>',
-	paragraph: ({ children }) => '<p class="fooBar">children</p>'
+	heading1: ({ children }) => `<h2>${children}</h2>`,
+	paragraph: ({ children }) => `<p class="fooBar">${children}</p>`
 }
 
 export default htmlSerializer

src/module.ts

@@ -117,6 +117,11 @@ export default defineNuxtModule<PrismicModuleOptions>({
 				}
 			})
 		addAutoImport(composableAutoImports)
+		addAutoImport({
+			name: 'usePrismicPreview',
+			as: 'usePrismicPreview',
+			from: resolver.resolve('runtime/usePrismicPreview')
+		})
 
 		// Add preview route
 		if (mergedOptions.preview) {

src/runtime/preview.vue

@@ -3,31 +3,20 @@
 		<figure>
 			<img
 				src="data:image/svg+xml;base64,<svg xmlns="http://www.w3.org/2000/svg" width="140" height="36">
  <path fill="#212735" fill-rule="evenodd" d="M35.538 18.74l-2.655-2.66a1.126 1.126 0 0 1-.329-.796v-3.256c0-3.009-.313-4.1-.9-5.2a6.127 6.127 0 0 0-2.546-2.551c-1.097-.589-2.186-.902-5.188-.902h-4.295a.225.225 0 0 1-.158-.384L22.122.33c.21-.211.496-.33.794-.33h1.493c4.003 0 5.455.418 6.919 1.202a8.169 8.169 0 0 1 3.394 3.402c.783 1.467 1.2 2.922 1.2 6.933v7.045a.225.225 0 0 1-.384.159zM17.222 35.617l2.655-2.661c.21-.211.496-.33.794-.33h3.249c3.002 0 4.09-.313 5.188-.902a6.127 6.127 0 0 0 2.546-2.551c.587-1.1.9-2.191.9-5.2v-4.304a.225.225 0 0 1 .383-.159l2.656 2.661c.21.211.329.498.329.796v1.497c0 4.011-.417 5.466-1.2 6.933a8.169 8.169 0 0 1-3.394 3.402C29.864 35.582 28.412 36 24.409 36H17.38a.225.225 0 0 1-.158-.384zM.383 17.259L3.04 19.92c.21.211.329.498.329.796v3.256c0 3.009.312 4.1.9 5.2a6.127 6.127 0 0 0 2.545 2.551c1.098.589 2.187.902 5.189.902h4.294a.225.225 0 0 1 .16.384l-2.657 2.661c-.21.211-.496.33-.793.33h-1.494c-4.003 0-5.454-.418-6.918-1.202A8.169 8.169 0 0 1 1.2 31.396C.417 29.929 0 28.474 0 24.463v-7.045a.225.225 0 0 1 .383-.159zM16.045 3.045c-.211.211-.496.33-.794.33h-3.249c-3.002 0-4.091.313-5.189.902a6.127 6.127 0 0 0-2.546 2.551c-.587 1.1-.9 2.191-.9 5.2v4.304a.225.225 0 0 1-.383.159L.33 13.83A1.126 1.126 0 0 1 0 13.034v-1.497c0-4.011.417-5.466 1.2-6.933a8.169 8.169 0 0 1 3.394-3.402C6.058.418 7.51 0 11.512 0h7.03a.225.225 0 0 1 .158.384l-2.655 2.661zm13.884 10.091l-3.62-3.468c-.24-.24-.52-.414-.819-.523A2.236 2.236 0 0 0 24.696 9H14.01a.225.225 0 0 1-.159-.384l2.659-2.662c.21-.21.495-.329.793-.329h8.516c2.48 0 4.49 2.015 4.49 4.5v2.849a.225.225 0 0 1-.38.162zm-7.115 16.861l3.46-3.629c.24-.24.414-.52.523-.82a2.25 2.25 0 0 0 .144-.795v-10.71a.225.225 0 0 1 .384-.159l2.656 2.664c.21.211.328.497.328.796v8.534c0 2.485-2.01 4.5-4.49 4.5h-2.843a.225.225 0 0 1-.162-.38zM5.992 22.864l3.622 3.468c.239.24.52.414.818.523.246.094.514.145.794.145h10.686a.225.225 0 0 1 .158.384l-2.658 2.662c-.21.21-.496.329-.793.329h-8.516a4.495 4.495 0 0 1-4.49-4.5v-2.849a.225.225 0 0 1 .38-.162zm7.116-16.859l-3.461 3.63c-.24.24-.413.52-.522.82a2.25 2.25 0 0 0-.145.795v10.71a.225.225 0 0 1-.383.158l-2.656-2.664a1.126 1.126 0 0 1-.328-.795v-8.534c0-2.485 2.01-4.5 4.49-4.5h2.843a.225.225 0 0 1 .162.38zm33.105 4.379h.868c.593 0 1.074.48 1.074 1.074v1.016c0 .032.026.057.057.057.495-.875 1.16-1.51 1.998-1.909a6.236 6.236 0 0 1 2.71-.596c1.047 0 1.989.194 2.826.582.837.387 1.55.92 2.14 1.595a6.896 6.896 0 0 1 1.34 2.386c.305.915.457 1.9.457 2.953a8.795 8.795 0 0 1-.485 2.953 7.418 7.418 0 0 1-1.355 2.386 6.269 6.269 0 0 1-2.097 1.595 6.182 6.182 0 0 1-2.683.582c-.647 0-1.217-.07-1.712-.209a5.751 5.751 0 0 1-1.312-.537 5.252 5.252 0 0 1-.97-.7 5.012 5.012 0 0 1-.657-.731.086.086 0 0 0-.086.085v7.224a1.31 1.31 0 0 1-1.31 1.31h-.803a1.31 1.31 0 0 1-1.31-1.31V11.694c0-.723.586-1.31 1.31-1.31zm10.046 7.158c0-.557-.09-1.094-.27-1.61a4.078 4.078 0 0 0-.8-1.373 3.99 3.99 0 0 0-1.27-.954c-.494-.239-1.055-.358-1.683-.358-.628 0-1.19.12-1.684.358a3.99 3.99 0 0 0-1.27.954 4.078 4.078 0 0 0-.799 1.372 4.845 4.845 0 0 0-.27 1.61c0 .558.09 1.094.27 1.611.181.517.447.975.8 1.372a3.99 3.99 0 0 0 1.27.955c.494.238 1.055.358 1.683.358.628 0 1.189-.12 1.683-.358a3.99 3.99 0 0 0 1.27-.955c.352-.397.618-.855.8-1.372.18-.517.27-1.053.27-1.61zm8.359-7.158h.98c.626 0 1.134.507 1.134 1.133v1.077c0 .031.025.057.057.057.38-.836.922-1.482 1.626-1.939.704-.457 1.513-.686 2.426-.686.209 0 .414.02.613.06a.762.762 0 0 1 .614.747v1.964a.715.715 0 0 1-.842.704 4.58 4.58 0 0 0-.813-.075c-.8 0-1.441.154-1.926.462-.485.309-.856.661-1.113 1.06a3.6 3.6 0 0 0-.514 1.192c-.086.398-.128.696-.128.895v6.355a1.31 1.31 0 0 1-1.31 1.31h-.804a1.31 1.31 0 0 1-1.31-1.31V11.694c0-.723.586-1.31 1.31-1.31zm11.585 0h.804c.723 0 1.31.587 1.31 1.31V23.39a1.31 1.31 0 0 1-1.31 1.31h-.804a1.31 1.31 0 0 1-1.31-1.31V11.694c0-.723.586-1.31 1.31-1.31zm-1.795-4.862c0-.576.204-1.078.613-1.506.41-.427.928-.641 1.555-.641.628 0 1.156.204 1.584.611.428.408.642.92.642 1.536 0 .617-.214 1.129-.642 1.536-.428.408-.956.612-1.584.612-.627 0-1.146-.214-1.555-.641a2.108 2.108 0 0 1-.613-1.507zm14.753 8.133c-.695-.51-1.314-.766-1.855-.766-.457 0-.904.12-1.342.358-.437.239-.656.626-.656 1.163 0 .438.18.756.542.955.362.198.818.368 1.37.507.552.139 1.146.283 1.783.432.638.15 1.232.378 1.784.686.552.308 1.008.73 1.37 1.268.361.537.542 1.272.542 2.207 0 .855-.176 1.575-.528 2.162a4.241 4.241 0 0 1-1.37 1.417 5.927 5.927 0 0 1-1.897.775 9.553 9.553 0 0 1-2.112.239c-1.065 0-2.045-.16-2.94-.477-.35-.125-.77-.375-1.26-.751a1.31 1.31 0 0 1-.119-1.976l.355-.348a1.31 1.31 0 0 1 1.783-.048c.208.183.388.324.54.423.504.329 1.118.493 1.84.493.248 0 .505-.03.771-.09.267-.06.514-.159.742-.298.228-.14.414-.313.557-.522.142-.209.214-.452.214-.73 0-.498-.181-.866-.543-1.104-.361-.239-.818-.433-1.37-.582a28.746 28.746 0 0 0-1.783-.417 6.707 6.707 0 0 1-1.783-.627 3.795 3.795 0 0 1-1.37-1.208c-.361-.517-.542-1.233-.542-2.147 0-.795.157-1.486.47-2.073a4.265 4.265 0 0 1 1.242-1.446 5.256 5.256 0 0 1 1.77-.836 7.773 7.773 0 0 1 2.025-.268c.913 0 1.817.164 2.711.492.324.119.685.339 1.084.66a1.31 1.31 0 0 1 .075 1.975l-.426.401a1.31 1.31 0 0 1-1.674.101zm7.787-3.271h.633c.723 0 1.31.587 1.31 1.31v.927a5.602 5.602 0 0 1 1.527-1.805c.675-.527 1.583-.79 2.725-.79 2.15 0 3.576.885 4.28 2.654.495-.914 1.113-1.585 1.855-2.013.742-.427 1.626-.641 2.654-.641.913 0 1.683.159 2.311.477a4.084 4.084 0 0 1 1.527 1.312c.39.557.67 1.208.841 1.954.172.746.257 1.546.257 2.4v7.22a1.31 1.31 0 0 1-1.31 1.31h-.804a1.31 1.31 0 0 1-1.31-1.31v-6.802c0-.437-.038-.86-.114-1.267a3.111 3.111 0 0 0-.4-1.074 2.062 2.062 0 0 0-.77-.73c-.324-.18-.742-.269-1.256-.269-.532 0-.984.104-1.355.313a2.686 2.686 0 0 0-.913.835 3.508 3.508 0 0 0-.514 1.193 5.94 5.94 0 0 0-.157 1.357v6.445a1.31 1.31 0 0 1-1.31 1.31h-.804a1.31 1.31 0 0 1-1.31-1.31v-7.22c0-.895-.18-1.606-.542-2.133-.362-.526-.96-.79-1.798-.79-.57 0-1.051.1-1.441.298-.39.2-.713.468-.97.806a3.26 3.26 0 0 0-.557 1.163 5.413 5.413 0 0 0-.17 1.372v6.504a1.31 1.31 0 0 1-1.311 1.31h-.804a1.31 1.31 0 0 1-1.31-1.31V11.694c0-.723.587-1.31 1.31-1.31zm25.454 0h.803c.724 0 1.31.587 1.31 1.31V23.39a1.31 1.31 0 0 1-1.31 1.31h-.803a1.31 1.31 0 0 1-1.31-1.31V11.694c0-.723.586-1.31 1.31-1.31zm-1.796-4.862c0-.576.205-1.078.614-1.506.409-.427.927-.641 1.555-.641.628 0 1.156.204 1.584.611.428.408.642.92.642 1.536 0 .617-.214 1.129-.642 1.536-.428.408-.956.612-1.584.612-.628 0-1.146-.214-1.555-.641a2.108 2.108 0 0 1-.614-1.507zm16.751 8.373a3.564 3.564 0 0 0-.371-.26 2.607 2.607 0 0 0-1.342-.388c-.627 0-1.189.12-1.683.358a3.99 3.99 0 0 0-1.27.954 4.078 4.078 0 0 0-.799 1.372 4.845 4.845 0 0 0-.271 1.61c0 .558.09 1.094.271 1.611.18.517.447.975.8 1.372a3.99 3.99 0 0 0 1.269.955c.494.238 1.056.358 1.683.358.533 0 1.028-.115 1.484-.343.093-.047.193-.11.3-.189a1.31 1.31 0 0 1 1.756.185l.52.584a1.248 1.248 0 0 1-.307 1.91 7.98 7.98 0 0 1-2.668.97c-.419.069-.78.104-1.085.104a7.904 7.904 0 0 1-2.91-.537A6.938 6.938 0 0 1 130.365 23a7.23 7.23 0 0 1-1.583-2.371c-.39-.925-.585-1.954-.585-3.087 0-1.133.195-2.162.585-3.087a7.23 7.23 0 0 1 1.583-2.371 6.938 6.938 0 0 1 2.369-1.521 7.904 7.904 0 0 1 2.91-.537c.876 0 1.755.174 2.64.522.337.133.735.37 1.193.711a1.31 1.31 0 0 1 .164 1.957l-.53.553a1.31 1.31 0 0 1-1.754.126z"/>
</svg>"
-				alt="Prismic"
-			/>
-			<figcaption>Loading preview...</figcaption>
+				alt="Prismic">
+			<figcaption>
+				Loading preview...
+			</figcaption>
 		</figure>
 	</section>
 </template>
 
 <script setup>
-import { onMounted } from 'vue'
-
 useHead({
 	title: 'Prismic Preview - Loading'
 })
 
-// TODO: refactor into simple hook
-const { client, options: { linkResolver } } = usePrismic()
-const { push } = useRouter()
-onMounted(async () => {
-	const redirectURL = await client.resolvePreviewURL({
-		linkResolver,
-		defaultURL: '/'
-	})
-
-	push(redirectURL ?? '/')
-})
+usePrismicPreview()
 </script>
 
 <style scoped>

src/runtime/usePrismicPreview.ts

@@ -0,0 +1,19 @@
+import { onMounted } from 'vue'
+
+/**
+ * Resolves Prismic previews on the preview entry page (`/preview`)
+ *
+ * @param defaultURL - The default URL to redirect to if the previewed document doesn't map to one.
+ */
+export const usePrismicPreview = (defaultURL = '/'): void => {
+	const { client, options: { linkResolver } } = usePrismic()
+	const { push } = useRouter()
+	onMounted(async () => {
+		const redirectURL = await client.resolvePreviewURL({
+			linkResolver,
+			defaultURL
+		})
+
+		push(redirectURL)
+	})
+}