docs(change log): update changelog

CHANGELOG.md

@@ -1,3 +1,17 @@
+<a name="1.4.0"></a>
+# [1.4.0](https://github.com/ncform/ncform/compare/v1.3.2...v1.4.0) (2019-08-05)
+
+### Bug Fixes
+
+* **ncform-theme-elementui:** fixed invalid handler for event "change": got undefined ([373848f](https://github.com/ncform/ncform/commit/373848f))
+
+### Features
+
+* **ncform:** add autoDX option to control whether config auto support dx expression or not ([62d23ee](https://github.com/ncform/ncform/commit/62d23ee))
+* **ncform:** add item change event ([49a9617](https://github.com/ncform/ncform/commit/49a9617)), closes [#86](https://github.com/ncform/ncform/issues/86)
+* **ncform-theme-elementui:** add compound.appendSelect.placeholder and compound.prependSelect for input widget ([0ab6584](https://github.com/ncform/ncform/commit/0ab6584)), closes [#85](https://github.com/ncform/ncform/issues/85)
+* Add showOneIfEmpty option for array / array-table / array-tabs widgets ([5255597](https://github.com/ncform/ncform/commit/5255597)), closes [#87](https://github.com/ncform/ncform/issues/87)
+
 <a name="1.3.4"></a>
 ## [1.3.4](https://github.com/ncform/ncform/compare/v1.3.3...v1.3.4) (2019-07-24)
 

packages/ncform-show/src/components/playground/playground.js

@@ -494,7 +494,10 @@ export default {
               },
               ui: {
                 showLegend: false,
-                noLabelSpace: true
+                noLabelSpace: true,
+                widgetConfig: {
+                  showOneIfEmpty: true
+                }
               }
             }
           }
@@ -552,7 +555,8 @@ export default {
                 noLabelSpace: true,
                 widget: "array-table",
                 widgetConfig: {
-                  disableCollapse: true
+                  disableCollapse: true,
+                  showOneIfEmpty: true
                 }
               }
             }
@@ -612,7 +616,10 @@ export default {
               ui: {
                 showLegend: false,
                 noLabelSpace: true,
-                widget: "array-tabs"
+                widget: "array-tabs",
+                widgetConfig: {
+                  showOneIfEmpty: true
+                }
               }
             }
           }
@@ -734,7 +741,10 @@ export default {
               ui: {
                 showLegend: false,
                 noLabelSpace: true,
-                widget: "array-table"
+                widget: "array-table",
+                widgetConfig: {
+                  showOneIfEmpty: true
+                }
               }
             }
           }
@@ -946,7 +956,8 @@ export default {
                 legend: "Array item",
                 widget: "array-table",
                 widgetConfig: {
-                  collapsed: true
+                  collapsed: false,
+                  showOneIfEmpty: true
                 }
               }
             }