From e65d6d71e723bef7797b6ea28b85c132464758c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Emonet?= <twitwi@users.noreply.github.com>
Date: Fri, 16 Dec 2022 14:32:54 +0100
Subject: [PATCH] fix: use provided range when exporting (#793)

---
 packages/client/internals/PrintContainer.vue | 9 +++++++--
 packages/slidev/node/export.ts               | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/client/internals/PrintContainer.vue b/packages/client/internals/PrintContainer.vue
index 14a2e4255d..901368ac20 100644
--- a/packages/client/internals/PrintContainer.vue
+++ b/packages/client/internals/PrintContainer.vue
@@ -1,8 +1,9 @@
 <script setup lang="ts">
+import { parseRangeString } from '@slidev/parser/core'
 import { computed, provide } from 'vue'
 import { configs, slideAspect, slideWidth } from '../env'
 import { injectionSlideScale } from '../constants'
-import { rawRoutes } from '../logic/nav'
+import { rawRoutes, route } from '../logic/nav'
 import PrintSlide from './PrintSlide.vue'
 
 const props = defineProps<{
@@ -21,7 +22,11 @@ const scale = computed(() => {
 })
 
 // Remove the "end" slide
-const routes = rawRoutes.slice(0, -1)
+let routes = rawRoutes.slice(0, -1)
+if (route.value.query.range) {
+  const r = parseRangeString(routes.length, route.value.query.range)
+  routes = r.map(i => routes[i - 1])
+}
 
 const className = computed(() => ({
   'select-none': !configs.selectable,
diff --git a/packages/slidev/node/export.ts b/packages/slidev/node/export.ts
index 3b0c1a8421..f1c8730b92 100644
--- a/packages/slidev/node/export.ts
+++ b/packages/slidev/node/export.ts
@@ -182,7 +182,7 @@ export async function exportSlides({
   const progress = createSlidevProgress(true)
 
   async function go(no: number | string, clicks?: string) {
-    const path = `${no}?print${withClicks ? '=clicks' : ''}${clicks ? `&clicks=${clicks}` : ''}`
+    const path = `${no}?print${withClicks ? '=clicks' : ''}${clicks ? `&clicks=${clicks}` : ''}${range ? `&range=${range}` : ''}`
     const url = routerMode === 'hash'
       ? `http://localhost:${port}${base}#${path}`
       : `http://localhost:${port}${base}${path}`