chore(slide): add placeholder params to ElementInfo

Author: singerla

src/helper/xml-slide-helper.ts

@@ -118,6 +118,7 @@ export class XmlSlideHelper {
       id: XmlSlideHelper.getElementCreationId(slideElement),
       type: XmlSlideHelper.getElementType(slideElement),
       position: XmlSlideHelper.parseShapeCoordinates(slideElement),
+      placeholder: XmlSlideHelper.parsePlaceholderInfo(slideElement),
       hasTextBody: !!XmlSlideHelper.getTextBody(slideElement),
       getXmlElement: () => slideElement,
       getText: () => XmlSlideHelper.parseTextFragments(slideElement),
@@ -433,6 +434,22 @@ export class XmlSlideHelper {
     return parseInt(element.getAttribute(attributeName), 10);
   };
 
+  static parsePlaceholderInfo = (
+    element: XmlElement,
+  ): ElementInfo['placeholder'] => {
+    const info = element.getElementsByTagName('p:ph').item(0)
+
+    if(!info) {
+      return
+    }
+
+    return {
+      type: info.getAttribute('type'),
+      sz: info.getAttribute('sz'),
+      idx: parseInt(info.getAttribute('idx')),
+    };
+  };
+
   /**
    * Asynchronously retrieves the dimensions of a slide.
    * Tries to find the dimensions from the slide XML, then from the layout, master, and presentation XMLs in order.

src/types/xml-types.ts

@@ -74,6 +74,11 @@ export type ElementInfo = {
     cy: number;
     rot?: number;
   };
+  placeholder: {
+    type: string;
+    sz: string;
+    idx: number;
+  };
   hasTextBody: boolean;
   getText: () => string[];
   getParagraphs: () => TextParagraph[];
@@ -92,18 +97,18 @@ export type TextParagraphProps = {
   indent?: number;
   bullet?: string;
   isNumbered?: boolean;
-  numberingType?: string
-  startAt?: string
-}
+  numberingType?: string;
+  startAt?: string;
+};
 
 export type TextParagraph = {
   texts: string[];
-} & TextParagraphProps
+} & TextParagraphProps;
 
 export type TextParagraphGroup = {
   properties: TextParagraphProps;
   texts: string[];
-}
+};
 
 export type ContentMapType = 'slideMaster' | 'slideLayout';
 export type ContentMap = {