feat: support global installation

demo/index.js

@@ -1,14 +1,19 @@
 import Vue from 'vue'
+import CSSModules from '../src'
 
 import renderFn from './renderFn'
 import renderFnFunctional from './renderFn-functional'
 import templateWithOuterModules from './template-with-outer-modules'
 import templateWithInlineModules from './template-with-inline-modules'
+import templateWithInlineModulesGlobal from './template-with-inline-modules-global'
+
+Vue.use(CSSModules)
 
 const demos = {
   'renderFn-functional': renderFnFunctional,
   renderFn: renderFn,
   'template-with-inline-modules': templateWithInlineModules,
+  'template-with-inline-modules-global': templateWithInlineModulesGlobal,
   'template-with-outer-modules': templateWithOuterModules
 }
 

demo/template-with-inline-modules-global.vue

@@ -0,0 +1,42 @@
+<template>
+  <div
+    styleName="@button :disabled mini=isMini"
+    @click="disabled=!disabled">
+    BUTTON
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'demo-button-4',
+
+  data() {
+    return {
+      disabled: false
+    }
+  },
+
+  computed: {
+    isMini() {
+      return this.disabled
+    }
+  }
+}
+</script>
+
+<style module>
+.button {
+  display: inline-block;
+  font-size: 18px;
+  padding: 10px;
+  border: 1px solid green;
+}
+
+.disabled {
+  opacity: .5;
+}
+
+.mini {
+  font-size: 12px;
+}
+</style>

src/config.js

@@ -1,3 +1 @@
-export const INJECTED = '__CSSModules__'
-
 export const INJECT_ATTR = 'styleName'

src/index.js

@@ -1,23 +1,25 @@
+/* eslint camelcase: 0 */
 import createElement from './create-element'
-import { INJECTED } from './config'
 
-export default styles => {
-  return {
-    beforeCreate() {
-      if (this[INJECTED]) return
-
-      this[INJECTED] = true
-
-      this.$createElement = createElement.bind(this, {
-        createElement: this.$createElement,
-        context: this,
-        styles
-      })
-      this._c = createElement.bind(this, {
-        createElement: this._c,
-        context: this,
-        styles
-      })
-    }
+const CSSModules = styles => ({
+  beforeCreate() {
+    this.original$createElement = this.original$createElement || this.$createElement
+    this.original_c = this.original_c || this._c
+    this.$createElement = createElement.bind(this, {
+      createElement: this.original$createElement,
+      context: this,
+      styles
+    })
+    this._c = createElement.bind(this, {
+      createElement: this.original_c,
+      context: this,
+      styles
+    })
   }
+})
+
+CSSModules.install = Vue => {
+  Vue.mixin(CSSModules())
 }
+
+export default CSSModules