fix typescript support

packages/nitro/src/rollup.config.ts

@@ -8,13 +8,14 @@ import alias from '@rollup/plugin-alias'
 import json from '@rollup/plugin-json'
 import replace from '@rollup/plugin-replace'
 import analyze from 'rollup-plugin-analyzer'
-import esbuild from 'rollup-plugin-esbuild'
+import ts from 'rollup-plugin-ts'
 
 export type RollupConfig = InputOptions & { output: OutputOptions }
 
 export const getRollupConfig = (config) => {
   const mocks = [
     '@babel/parser',
+    'encoding',
     '@vue/compiler-core',
     '@vue/compiler-dom',
     '@vue/compiler-ssr'
@@ -32,7 +33,6 @@ export const getRollupConfig = (config) => {
 
   const options: RollupConfig = {
     input: config.entry,
-
     output: {
       file: path.resolve(config.buildDir, 'dist/server', `index.${config.target}.js`),
       format: 'cjs',
@@ -40,55 +40,50 @@ export const getRollupConfig = (config) => {
       outro: '',
       preferConst: true
     },
-
     external,
+    plugins: []
+  }
 
-    plugins: [
+  // https://github.com/rollup/plugins/tree/master/packages/replace
-      replace({
+  options.plugins.push(replace({
     values: {
       'process.env.NODE_ENV': '"production"'
     }
-      }),
+  }))
 
-      alias({
+  // https://github.com/rollup/plugins/tree/master/packages/alias
+  options.plugins.push(alias({
     entries: {
       '~runtime': path.resolve(__dirname, 'runtime'),
       '~build': config.buildDir,
       '~mock': require.resolve('./runtime/mock'),
       ...mocks.reduce((p, c) => ({ ...p, [c]: '~mock' }), {})
     }
-      }),
+  }))
+
+  // https://github.com/wessberg/rollup-plugin-ts
+  options.plugins.push(ts({
+    transpileOnly: true,
+    transpiler: 'babel',
+    include: ['**/*.ts'],
+    exclude: ['*.json', 'node_modules']
+  }))
 
   // https://github.com/rollup/plugins/tree/master/packages/node-resolve
-      resolve({
+  options.plugins.push(resolve({
     extensions,
     preferBuiltins: true,
     mainFields: ['main'] // Force resolve CJS (@vue/runtime-core ssrUtils)
-      }),
+  }))
 
   // https://github.com/rollup/plugins/tree/master/packages/commonjs
-      commonjs({
+  options.plugins.push(commonjs({
     extensions: extensions.filter(ext => ext !== '.json'),
     dynamicRequireTargets: ['*.js']
-      }),
+  }))
-
-      // https://github.com/egoist/rollup-plugin-esbuild
-      esbuild({
-        target: 'node12',
-        include: /\.[jt]s?$/,
-        tsconfig: false,
-        sourceMap: false,
-        loaders: {
-          '.json': 'json',
-          '.js': 'jsx',
-          '.ts': 'ts'
-        }
-      }),
 
   // https://github.com/rollup/plugins/tree/master/packages/json
-      json()
+  options.plugins.push(json())
-    ]
-  }
 
   if (config.logStartup) {
     options.output.intro += 'global._startTime = process.hrtime();'

packages/nitro/src/runtime/server.ts

@@ -16,7 +16,7 @@ const renderer = createRenderer(server, {
 })
 
 export async function render (url) {
-  const ssrContext = {
+  const ssrContext: any = {
     url,
     runtimeConfig: {
       public: {},