refactor(VantComponent): remove null type (#4476)

packages/area/index.ts

@@ -27,7 +27,8 @@ VantComponent({
       observer: 'setValues',
     },
     columnsNum: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 3,
     },
     columnsPlaceholder: {

packages/checkbox/index.ts

@@ -31,7 +31,8 @@ VantComponent({
       value: 'round',
     },
     iconSize: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 20,
     },
   },

packages/circle/index.ts

@@ -41,7 +41,8 @@ VantComponent({
       value: WHITE,
     },
     color: {
-      type: null,
+      type: String,
+      optionalTypes: [Object],
       value: BLUE,
       observer() {
         this.setHoverColor().then(() => {

packages/grid/index.ts

@@ -10,7 +10,8 @@ VantComponent({
       observer: 'updateChildren',
     },
     gutter: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 0,
       observer: 'updateChildren',
     },

packages/overlay/index.ts

@@ -5,7 +5,8 @@ VantComponent({
     show: Boolean,
     customStyle: String,
     duration: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 300,
     },
     zIndex: {

packages/radio/index.ts

@@ -27,7 +27,8 @@ VantComponent({
       value: 'round',
     },
     iconSize: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 20,
     },
   },

packages/share-sheet/index.ts

@@ -34,7 +34,8 @@ VantComponent({
       value: true,
     },
     duration: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 300,
     },
   },

packages/skeleton/index.ts

@@ -33,9 +33,10 @@ VantComponent({
       value: '40%',
     },
     rowWidth: {
-      type: null,
+      type: String,
+      optionalTypes: [Array],
       value: '100%',
-      observer(val) {
+      observer(val: string | string[]) {
         this.setData({ isArray: val instanceof Array });
       },
     },

packages/swipe-cell/index.ts

@@ -28,7 +28,8 @@ VantComponent({
     },
     asyncClose: Boolean,
     name: {
-      type: null,
+      type: String,
+      optionalTypes: [Number],
       value: '',
     },
   },

packages/tabs/index.ts

@@ -37,12 +37,14 @@ VantComponent({
       },
     },
     lineWidth: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 40,
       observer: 'resize',
     },
     lineHeight: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: -1,
     },
     active: {
@@ -98,7 +100,7 @@ VantComponent({
     scrollLeft: 0,
     scrollable: false,
     currentIndex: 0,
-    container: null as unknown as () => WechatMiniprogram.NodesRef,
+    container: (null as unknown) as () => WechatMiniprogram.NodesRef,
     skipTransition: true,
     scrollWithAnimation: false,
     lineOffsetLeft: 0,

packages/tree-select/index.ts

@@ -22,7 +22,8 @@ VantComponent({
       observer: 'updateSubItems',
     },
     height: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 300,
     },
     max: {

packages/uploader/index.ts

@@ -12,11 +12,13 @@ VantComponent({
     afterRead: null,
     beforeRead: null,
     previewSize: {
-      type: null,
+      type: Number,
+      optionalTypes: [String],
       value: 80,
     },
     name: {
-      type: null,
+      type: String,
+      optionalTypes: [Number],
       value: '',
     },
     accept: {