1 files changed, 48 insertions, 0 deletions
diff --git a/node_modules/vue/src/platforms/web/compiler/modules/class.js b/node_modules/vue/src/platforms/web/compiler/modules/class.js
new file mode 100644
index 00000000..ffdca250
--- /dev/null
+++ b/node_modules/vue/src/platforms/web/compiler/modules/class.js
@@ -0,0 +1,48 @@
+/* @flow */
+
+import { parseText } from 'compiler/parser/text-parser'
+import {
+  getAndRemoveAttr,
+  getBindingAttr,
+  baseWarn
+} from 'compiler/helpers'
+
+function transformNode (el: ASTElement, options: CompilerOptions) {
+  const warn = options.warn || baseWarn
+  const staticClass = getAndRemoveAttr(el, 'class')
+  if (process.env.NODE_ENV !== 'production' && staticClass) {
+    const res = parseText(staticClass, options.delimiters)
+    if (res) {
+      warn(
+        `class="${staticClass}": ` +
+        'Interpolation inside attributes has been removed. ' +
+        'Use v-bind or the colon shorthand instead. For example, ' +
+        'instead of <div class="{{ val }}">, use <div :class="val">.'
+      )
+    }
+  }
+  if (staticClass) {
+    el.staticClass = JSON.stringify(staticClass)
+  }
+  const classBinding = getBindingAttr(el, 'class', false /* getStatic */)
+  if (classBinding) {
+    el.classBinding = classBinding
+  }
+}
+
+function genData (el: ASTElement): string {
+  let data = ''
+  if (el.staticClass) {
+    data += `staticClass:${el.staticClass},`
+  }
+  if (el.classBinding) {
+    data += `class:${el.classBinding},`
+  }
+  return data
+}
+
+export default {
+  staticKeys: ['staticClass'],
+  transformNode,
+  genData
+}