fix(template): avoid error on root tpl w/o slides

singerla · singerla · commit 197fe39e00f0 · 2022-05-31T18:08:38.000+02:00
diff --git a/src/classes/template.ts b/src/classes/template.ts
@@ -100,7 +100,7 @@ export class Template implements ITemplate {
   async countExistingSlides(): Promise<void> {
     const xml = await this.getSlideIdList();
     const sldIdLst = xml.getElementsByTagName('p:sldIdLst');
-    if (sldIdLst) {
+    if (sldIdLst.length > 0) {
       const existingSlides = sldIdLst[0].getElementsByTagName('p:sldId');
       this.existingSlides = existingSlides.length;
     }

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ export class Template implements ITemplate {`
`100`	`100`	`async countExistingSlides(): Promise<void> {`
`101`	`101`	`const xml = await this.getSlideIdList();`
`102`	`102`	`const sldIdLst = xml.getElementsByTagName('p:sldIdLst');`
`103`		`- if (sldIdLst) {`
	`103`	`+ if (sldIdLst.length > 0) {`
`104`	`104`	`const existingSlides = sldIdLst[0].getElementsByTagName('p:sldId');`
`105`	`105`	`this.existingSlides = existingSlides.length;`
`106`	`106`	`}`