add all grid division array

src/client/js/components/PageEditor/GridEditorUtil.js

@@ -7,6 +7,17 @@ class GridEditorUtil {
     // https://regex101.com/r/7BN2fR/11
     this.lineBeginPartOfGridRE = /^:::(\s.*)editable-row$/;
     this.lineEndPartOfGridRE = /^:::$/;
+    this.mappingAllGridDivisionPatterns = [
+      [
+        [2, 10], [4, 8], [6, 6], [8, 4], [10, 2],
+      ],
+      [
+        [2, 5, 5], [5, 2, 5], [5, 5, 2], [4, 4, 4], [3, 3, 6], [3, 6, 3], [6, 3, 3],
+      ],
+      [
+        [1, 1, 5, 5], [5, 5, 1, 1], [1, 5, 1, 5], [5, 1, 5, 1], [3, 3, 3, 3], [2, 2, 2, 6], [6, 2, 2, 2],
+      ],
+    ];
     this.isInGridBlock = this.isInGridBlock.bind(this);
     this.replaceGridWithHtmlWithEditor = this.replaceGridWithHtmlWithEditor.bind(this);
   }