fix(plugin): supports empty options in runner

Author: Novout

README.md

@@ -34,7 +34,7 @@ It's simple!
 ### NPM
 
 ```shell
-npm install pdfeasy
+npm i pdfeasy
 ```
 
 ### YARN

packages/pdfeasy-docs/.vitepress/theme/components/Demo.vue

@@ -21,9 +21,7 @@
 
     __RENDERING__.value = true
 
-    pdfeasy.new({
-      plugins: [],
-    })
+    pdfeasy.new()
 
     await pdfeasy.add(parse)
 
@@ -34,7 +32,6 @@
         },
       })
       .then((blob) => {
-        console.log('here?')
         iframe.value.src = blob
       })
       .catch((res) => {

packages/pdfeasy-vite-demo/src/main.ts

@@ -16,31 +16,6 @@ pdfeasy.new({
       right: 80
     }
   },
-  plugins: [
-    {
-      page: [ // render callback in every page before finish contents insert.
-        // simple counter footer
-        ({ Text, Image }, context, current, total) => {
-          // render in every page
-          Text(`${current}/${total}`, { fontSize: 20 }, {
-            x: context.width / 2,
-            y: context.height - context.margins.bottom
-          })
-
-          // Image('https://i.imgur.com/J3JXhsl.png', {}, {})
-        },
-        // simple header
-        ({ Text }, context, current, total) => {
-          // render in every page
-          Text('A Simple Header', {}, {
-            x: context.width / 2,
-            // negative number (-30 in case) ignore default margins
-            y: context.margins.top - 20
-          })
-        }
-      ]
-    }
-  ]
 })
 
 pdfeasy.add([

packages/pdfeasy/src/plugins/page.ts

@@ -148,6 +148,11 @@ export const pageHandler = (instance: pdfeasy): Promise<void> => {
       return
     }
 
+    if (!instance.options?.plugins) {
+      response()
+      return
+    }
+
     const range = doc.bufferedPageRange()
 
     let actually: number, total: number