chore(chart): read chart type; #140

Author: singerla

__tests__/read-chart-info.test.ts

@@ -1,4 +1,4 @@
-import Automizer, { read } from '../src/index';
+import Automizer, { read, XmlHelper } from '../src/index';
 import { vd } from '../src/helper/general-helper';
 
 test('read chart info from workbook, e.g. series color', async () => {
@@ -17,7 +17,13 @@ test('read chart info from workbook, e.g. series color', async () => {
 
   await pres
     .addSlide('charts', 1, (slide) => {
-      slide.modifyElement('BarsStacked', [read.readChartInfo(info)]);
+      slide.modifyElement('BarsStacked', [
+        (ele, chart, workbook) => {
+          // enable next line to log chart xml to console:
+          // XmlHelper.dump(chart)
+        },
+        read.readChartInfo(info),
+      ]);
     })
     .write(`read-chart-info.test.pptx`);
 

src/helper/modify-chart-helper.ts

@@ -281,6 +281,9 @@ export default class ModifyChartHelper {
           colorValue: colorElement.getAttribute('val'),
         });
       });
+
+      const chartTagName = series.item(0).parentNode.nodeName;
+      info.chartType = chartTagName?.split(':')[1];
     };
 
   /**