feature(master): add modifier for slide master background color #86

Author: singerla

__tests__/modify-master-background-color.test.ts

@@ -0,0 +1,27 @@
+import Automizer from '../src/automizer';
+import { ModifyTextHelper } from '../src';
+import ModifyBackgroundHelper from '../src/helper/modify-background-helper';
+
+test('Auto-import source slideLayout and -master and modify background color', async () => {
+  const automizer = new Automizer({
+    templateDir: `${__dirname}/pptx-templates`,
+    outputDir: `${__dirname}/pptx-output`,
+    autoImportSlideMasters: true,
+  });
+
+  const pres = await automizer
+    .loadRoot(`EmptyTemplate.pptx`)
+    .load('SlideMasterBackgrounds.pptx')
+    .addMaster(`SlideMasterBackgrounds.pptx`, 1, async (master) => {
+      master.modify(
+        ModifyBackgroundHelper.setSolidFill({
+          type: 'srgbClr',
+          value: 'aaccbb',
+        }),
+      );
+    })
+    .addSlide(`SlideMasterBackgrounds.pptx`, 3)
+    .write(`modify-master-background-color.test.pptx`);
+
+  expect(pres.masters).toBe(2);
+});

src/dev.ts

@@ -1,5 +1,5 @@
 import Automizer from './index';
-import { vd } from './helper/general-helper';
+import ModifyBackgroundHelper from './helper/modify-background-helper';
 
 const run = async () => {
   const automizer = new Automizer({
@@ -12,7 +12,16 @@ const run = async () => {
     .loadRoot(`RootTemplate.pptx`)
     .load(`SlideMasterBackgrounds.pptx`);
 
-  pres.addSlide(`SlideMasterBackgrounds.pptx`, 2, async (slide) => {
+  pres.addMaster(`SlideMasterBackgrounds.pptx`, 1, async (master) => {
+    master.modify(
+      ModifyBackgroundHelper.setSolidFill({
+        type: 'srgbClr',
+        value: 'aaccbb',
+      }),
+    );
+  });
+
+  pres.addSlide(`SlideMasterBackgrounds.pptx`, 3, async (slide) => {
     console.log('test');
   });
 

src/helper/modify-background-helper.ts

@@ -0,0 +1,19 @@
+import { XmlDocument } from '../types/xml-types';
+import ModifyColorHelper from './modify-color-helper';
+import { Color } from '../types/modify-types';
+
+export default class ModifyBackgroundHelper {
+  /**
+   * Set solid fill of modified shape
+   */
+  static setSolidFill =
+    (color: Color) =>
+    (slideMasterXml: XmlDocument): void => {
+      const bgPr = slideMasterXml.getElementsByTagName('p:bgPr')?.item(0);
+      if (bgPr) {
+        ModifyColorHelper.solidFill(color)(bgPr);
+      } else {
+        throw 'No background properties for slideMaster';
+      }
+    };
+}

src/helper/modify-shape-helper.ts

@@ -1,10 +1,9 @@
 import { ReplaceText, ReplaceTextOptions } from '../types/modify-types';
 import { ShapeCoordinates } from '../types/shape-types';
-import { GeneralHelper, vd } from './general-helper';
+import { GeneralHelper } from './general-helper';
 import TextReplaceHelper from './text-replace-helper';
 import ModifyTextHelper from './modify-text-helper';
-import { HelperElement, XmlDocument, XmlElement } from '../types/xml-types';
-import { XmlHelper } from './xml-helper';
+import { XmlElement } from '../types/xml-types';
 
 const map = {
   x: { tag: 'a:off', attribute: 'x' },