feat(cli): add isUnaryTag #625

packages/vue-cli-plugin-uni/lib/h5/compiler-options.js

@@ -2,6 +2,10 @@ const {
   tags
 } = require('@dcloudio/uni-cli-shared')
 
+const {
+  isUnaryTag
+} = require('../util')
+
 const simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/
 
 function processEvent (expr, filterModules) {
@@ -41,6 +45,7 @@ function addTag (tag) {
 }
 
 module.exports = {
+  isUnaryTag,
   preserveWhitespace: false,
   modules: [require('../format-text'), {
     preTransformNode (el, {

packages/vue-cli-plugin-uni/lib/mp.js

@@ -13,6 +13,10 @@ const {
   getPlatformCssnano
 } = require('@dcloudio/uni-cli-shared')
 
+const {
+  isUnaryTag
+} = require('./util')
+
 function createUniMPPlugin () {
   if (process.env.UNI_USING_COMPONENTS) {
     const WebpackUniMPPlugin = require('@dcloudio/webpack-uni-mp-loader/lib/plugin/index-new')
@@ -154,6 +158,7 @@ module.exports = {
       .tap(options => Object.assign(options, {
         compiler: getPlatformCompiler(),
         compilerOptions: process.env.UNI_USING_COMPONENTS ? {
+          isUnaryTag,
           preserveWhitespace: false
         } : require('./mp-compiler-options'),
         cacheDirectory: false,

packages/vue-cli-plugin-uni/lib/util.js

+function makeMap (str, expectsLowerCase) {
+  const map = Object.create(null)
+  const list = str.split(',')
+  for (let i = 0; i < list.length; i++) {
+    map[list[i]] = true
+  }
+  return expectsLowerCase
+    ? val => map[val.toLowerCase()]
+    : val => map[val]
+}
+
+module.exports = {
+  isUnaryTag: makeMap(
+    'image,area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
+    'link,meta,param,source,track,wbr'
+  )
+}