feat: add browser build without ssr code

scripts/rollup.config.js

@@ -14,7 +14,7 @@ const banner =  `/**
 `.replace(/ {4}/gm, '').trim()
 
 const baseConfig = {
-  input: 'src/index.js',
+  input: 'src/browser.js',
   output: {
     file: pkg.web,
     format: 'umd',
@@ -44,6 +44,7 @@ export default [{
   ]
 }, {
   ...baseConfig,
+  input: 'src/index.js',
   output: {
     ...baseConfig.output,
     file: pkg.main,

src/browser.js

@@ -0,0 +1,20 @@
+import { version } from '../package.json'
+import createMixin from './shared/mixin'
+import setOptions from './shared/options'
+import $meta from './client/$meta'
+
+/**
+ * Plugin install function.
+ * @param {Function} Vue - the Vue constructor.
+ */
+function VueMeta(Vue, options = {}) {
+  options = setOptions(options)
+
+  Vue.prototype.$meta = $meta(options)
+
+  Vue.mixin(createMixin(options))
+}
+
+VueMeta.version = version
+
+export default VueMeta

src/client/$meta.js

@@ -0,0 +1,14 @@
+import refresh from './refresh'
+
+export default function _$meta(options = {}) {
+  /**
+   * Returns an injector for server-side rendering.
+   * @this {Object} - the Vue instance (a root component)
+   * @return {Object} - injector
+   */
+  return function $meta() {
+    return {
+      refresh: refresh(options).bind(this)
+    }
+  }
+}

src/index.js

@@ -1,6 +1,20 @@
 import { version } from '../package.json'
-import install from './shared/plugin'
+import createMixin from './shared/mixin'
+import setOptions from './shared/options'
+import $meta from './server/$meta'
 
-install.version = version
+/**
+ * Plugin install function.
+ * @param {Function} Vue - the Vue constructor.
+ */
+function VueMeta(Vue, options = {}) {
+  options = setOptions(options)
 
-export default install
+  Vue.prototype.$meta = $meta(options)
+
+  Vue.mixin(createMixin(options))
+}
+
+VueMeta.version = version
+
+export default VueMeta

src/server/$meta.js

@@ -1,5 +1,5 @@
-import inject from '../server/inject'
 import refresh from '../client/refresh'
+import inject from './inject'
 
 export default function _$meta(options = {}) {
   /**

src/shared/mixin.js

@@ -1,48 +1,7 @@
 import batchUpdate from '../client/batchUpdate'
-import { isUndefined, isFunction, isObject } from '../shared/typeof'
-import $meta from './$meta'
-
-import {
-  keyName,
-  attribute,
-  ssrAttribute,
-  tagIDKeyName,
-  metaTemplateKeyName,
-  contentKeyName
-} from './constants'
-
-// automatic install
-if (!isUndefined(window) && !isUndefined(window.Vue)) {
-  Vue.use(VueMeta)
-}
-
-/**
- * Plugin install function.
- * @param {Function} Vue - the Vue constructor.
- */
-export default function VueMeta(Vue, options = {}) {
-  // set some default options
-  const defaultOptions = {
-    keyName,
-    contentKeyName,
-    metaTemplateKeyName,
-    attribute,
-    ssrAttribute,
-    tagIDKeyName
-  }
-
-  // combine options
-  options = isObject('object') ? options : {}
-
-  for (const key in defaultOptions) {
-    if (!options[key]) {
-      options[key] = defaultOptions[key]
-    }
-  }
-
-  // bind the $meta method to this component instance
-  Vue.prototype.$meta = $meta(options)
+import { isUndefined, isFunction } from '../shared/typeof'
 
+export default function createMixin(options) {
   // store an id to keep track of DOM updates
   let batchID = null
 
@@ -55,7 +14,7 @@ export default function VueMeta(Vue, options = {}) {
   }
 
   // watch for client side component updates
-  Vue.mixin({
+  return {
     beforeCreate() {
       // Add a marker to know if it uses metaInfo
       // _vnode is used to know that it's attached to a real component
@@ -159,5 +118,5 @@ export default function VueMeta(Vue, options = {}) {
         }, 50)
       }
     }/**/
-  })
+  }
 }

src/shared/options.js

@@ -0,0 +1,32 @@
+import { isObject } from '../shared/typeof'
+import {
+  keyName,
+  attribute,
+  ssrAttribute,
+  tagIDKeyName,
+  metaTemplateKeyName,
+  contentKeyName
+} from './constants'
+
+// set some default options
+const defaultOptions = {
+  keyName,
+  contentKeyName,
+  metaTemplateKeyName,
+  attribute,
+  ssrAttribute,
+  tagIDKeyName
+}
+
+export default function setOptions(options) {
+  // combine options
+  options = isObject('object') ? options : {}
+
+  for (const key in defaultOptions) {
+    if (!options[key]) {
+      options[key] = defaultOptions[key]
+    }
+  }
+
+  return options
+}