[improvement] Remove create & i18 mixin (#2670)

packages/mixins/i18n.js

@@ -1,24 +0,0 @@
-// component mixin
-import { get, camelize } from '../utils';
-
-export default {
-  computed: {
-    $t() {
-      const { name } = this.$options;
-      const prefix = name ? camelize(name) + '.' : '';
-
-      if (!this.$vantMessages) {
-        if (process.env.NODE_ENV !== 'production') {
-          console.error('[Vant] Locale not correctly registered');
-        }
-        return () => '';
-      }
-
-      const messages = this.$vantMessages[this.$vantLang];
-      return (path, ...args) => {
-        const message = get(messages, prefix + path) || get(messages, path);
-        return typeof message === 'function' ? message(...args) : message;
-      };
-    }
-  }
-};

packages/utils/create-basic.js

@@ -1,18 +0,0 @@
-/**
- * Create a basic component with common options
- */
-import useSfc from './use/sfc';
-import useBem from './use/bem';
-import i18n from '../mixins/i18n';
-import { isDef } from '.';
-
-export default function (sfc) {
-  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 = useBem(sfc.name);
-
-  return sfc;
-}

packages/utils/create.js

@@ -1,18 +0,0 @@
-/**
- * Create a component with common options
- */
-import createBasic from './create-basic';
-import Icon from '../icon';
-import Loading from '../loading';
-import Cell from '../cell';
-import CellGroup from '../cell-group';
-
-export default function (sfc) {
-  sfc.components = Object.assign(sfc.components || {}, {
-    Icon,
-    Loading,
-    Cell,
-    CellGroup
-  });
-  return createBasic(sfc);
-}