[breaking change] Field: 修复组件错误的事件参数 (#391)

* 优化编译脚本，在预览时降低编译频率

* 修复 field 事件传参

* 降低等待事件

example/pages/field/index.wxml

@@ -7,6 +7,9 @@
         placeholder="{{ config.base.name.placeholder }}"
         focus="{{ config.base.name.focus }}"
         value="{{ value }}"
+        bind:change="handleZanFieldChange"
+        bind:focus="handleZanFieldFocus"
+        bind:blur="handleZanFieldBlur"
       >
       </zan-field>
       <zan-field
@@ -14,6 +17,7 @@
         placeholder="{{ config.base.tel.placeholder }}"
         error="{{ config.base.tel.error }}"
         input-type="{{ config.base.tel.inputType }}"
+        bind:change="handleZanFieldChange"
       >
       </zan-field>
       <zan-field
@@ -21,12 +25,14 @@
         type="{{ config.base.address.type }}"
         placeholder="{{ config.base.address.placeholder }}"
         maxlength="50"
+        bind:change="handleZanFieldChange"
       >
       </zan-field>
       <zan-field
         title="{{ config.base.disabled.title }}"
         value="{{ config.base.disabled.value }}"
         disabled="{{ config.base.disabled.disabled }}"
+        bind:change="handleZanFieldChange"
       >
       </zan-field>
     </zan-cell-group>

package.json

@@ -57,6 +57,7 @@
     "gulp-remove-logging": "^1.2.0",
     "gulp-rename": "^1.2.2",
     "gulp-util": "^3.0.8",
+    "lodash": "^4.17.10",
     "node-watch": "^0.5.5",
     "postcss-calc": "^6.0.1",
     "postcss-easy-import": "^3.0.0",

packages/field/index.js

@@ -44,15 +44,15 @@ Component({
       const { value = '' } = detail;
       this.setData({ value });
 
-      this.triggerEvent('change', event);
+      this.triggerEvent('change', { ...detail });
     },
 
-    handleFieldFocus(event) {
+    handleFieldFocus({ detail = {} }) {
-      this.triggerEvent('focus', event);
+      this.triggerEvent('focus', { ...detail });
     },
 
-    handleFieldBlur(event) {
+    handleFieldBlur({ detail = {} }) {
-      this.triggerEvent('blur', event);
+      this.triggerEvent('blur', { ...detail });
     },
 
     updateIsLastElement(isLastField) {

scripts/utils/extracter.js

@@ -1,6 +1,7 @@
 const path = require('path');
 const fs = require('fs-extra');
 const nodeWatch = require('node-watch');
+const debounce = require('lodash/debounce');
 require('shelljs/global');
 
 module.exports = function (config = {}) {
@@ -10,10 +11,11 @@ module.exports = function (config = {}) {
   extracter(config);
 
   if (config.watch) {
-    nodeWatch(config.src, { recursive: true }, () => extracter(config));
+    nodeWatch(config.src, { recursive: true }, () => debouncedFunc(config));
   }
 };
 
+const debouncedFunc = debounce(config => extracter(config), 500);
 
 function extracter(config = {}) {
   // 复制 src