[improvement] use component name (#2450)

packages/utils/create-basic.js

@@ -1,46 +1,18 @@
 /**
  * Create a basic component with common options
  */
-import '../locale';
-import createBem from './bem';
+import useSfc from './use/sfc';
+import useBem from './use/bem';
 import i18n from '../mixins/i18n';
-import { isDef, camelize } from '.';
-
-function install(Vue) {
-  const { name } = this;
-  Vue.component(name, this);
-  Vue.component((camelize(`-${name}`)), this);
-}
-
-function returnArray() {
-  return [];
-}
-
-function defaultProps(props) {
-  Object.keys(props).forEach(key => {
-    if (props[key] === Array) {
-      props[key] = {
-        type: Array,
-        default: returnArray
-      };
-    } else if (props[key] === Number) {
-      props[key] = {
-        type: Number,
-        default: 0
-      };
-    }
-  });
-}
+import { isDef } from '.';
 
 export default function (sfc) {
-  sfc.name = 'van-' + sfc.name;
-  sfc.install = sfc.install || install;
+  sfc = useSfc('van-' + sfc.name)(sfc);
   sfc.mixins = sfc.mixins || [];
   sfc.mixins.push(i18n);
   sfc.methods = sfc.methods || {};
   sfc.methods.isDef = isDef;
-  sfc.methods.b = createBem(sfc.name);
-  sfc.props && defaultProps(sfc.props);
+  sfc.methods.b = useBem(sfc.name);
 
   return sfc;
 }

packages/utils/index.js

@@ -1,4 +1,5 @@
 import Vue from 'vue';
+import use from './use';
 
 const isServer = Vue.prototype.$isServer;
 
@@ -37,6 +38,7 @@ function range(num, min, max) {
 }
 
 export {
+  use,
   get,
   range,
   isObj,

packages/utils/use/index.js

@@ -0,0 +1,7 @@
+import useBem from './bem';
+import useSfc from './sfc';
+
+export default function (name) {
+  name = 'van-' + name;
+  return [useSfc(name), useBem(name)];
+}

packages/utils/use/sfc.js

@@ -0,0 +1,39 @@
+/**
+ * Create a basic component with common options
+ */
+import '../../locale';
+import { camelize } from '..';
+
+const arrayProp = {
+  type: Array,
+  default: () => []
+};
+
+const numberProp = {
+  type: Number,
+  default: 0
+};
+
+function defaultProps(props) {
+  Object.keys(props).forEach(key => {
+    if (props[key] === Array) {
+      props[key] = arrayProp;
+    } else if (props[key] === Number) {
+      props[key] = numberProp;
+    }
+  });
+}
+
+function install(Vue) {
+  const { name } = this;
+  Vue.component(name, this);
+  Vue.component((camelize(`-${name}`)), this);
+}
+
+export default name => sfc => {
+  sfc.name = name;
+  sfc.install = install;
+  sfc.props && defaultProps(sfc.props);
+
+  return sfc;
+};