fix(wxs): base64(wxs code)

packages/vue-cli-plugin-uni/packages/@vue/component-compiler-utils/dist/parseCustomBlocks.js

@@ -62,7 +62,7 @@ module.exports = function parseCustomBlocks(descriptor, options) {
         filterModule.attrs.src = normalizeNodeModules(filterModule.attrs.src)
       }
     })
-    descriptor.template.attrs['filter-modules'] = JSON.stringify(filterModules)
+    descriptor.template.attrs['filter-modules'] = Buffer.from(JSON.stringify(filterModules)).toString('base64')
   }
 
   return descriptor

packages/vue-cli-plugin-uni/packages/webpack-uni-app-loader/filter-modules-template.js

 const loaderUtils = require('loader-utils')
 
-module.exports = function (content) {
+function parseFilterModules(filterModules) {
+  if (filterModules) {
+    return JSON.parse(Buffer.from(filterModules, 'base64').toString('ascii'))
+  }
+  return {}
+}
+
+module.exports = function(content) {
   this.cacheable && this.cacheable()
 
   const vueLoaderOptions = this.loaders.find(loader => loader.ident === 'vue-loader-options')
   if (vueLoaderOptions) {
     const params = loaderUtils.parseQuery(this.resourceQuery)
     /* eslint-disable no-mixed-operators */
-    const filterModules = JSON.parse(params && params['filter-modules'] || '{}')
+    const filterModules = parseFilterModules(params && params['filter-modules'])
     Object.assign(vueLoaderOptions.options.compilerOptions, {
       filterModules: Object.keys(filterModules)
     })

packages/webpack-uni-mp-loader/lib/template-new.js

@@ -28,6 +28,13 @@ const {
 
 const templateExt = getPlatformExts().template
 const filterTagName = getPlatformFilterTag() || ''
+
+function parseFilterModules (filterModules) {
+  if (filterModules) {
+    return JSON.parse(Buffer.from(filterModules, 'base64').toString('ascii'))
+  }
+  return {}
+}
 
 module.exports = function (content) {
   this.cacheable && this.cacheable()
@@ -41,7 +48,7 @@ module.exports = function (content) {
 
     const params = loaderUtils.parseQuery(this.resourceQuery)
     /* eslint-disable no-mixed-operators */
-    const filterModules = JSON.parse(params && params['filter-modules'] || '{}')
+    const filterModules = parseFilterModules(params && params['filter-modules'])
     Object.assign(vueLoaderOptions.options.compilerOptions, {
       mp: {
         platform: process.env.UNI_PLATFORM