Merge pull request #183 from sveltejs/use-polka

Use polka, remove unused dependencies

src/cli/export.ts

@@ -1,18 +1,14 @@
 import * as child_process from 'child_process';
 import * as path from 'path';
 import * as sander from 'sander';
-import express from 'express';
+import polka from 'polka';
 import cheerio from 'cheerio';
 import URL from 'url-parse';
 import fetch from 'node-fetch';
 import * as ports from 'port-authority';
 import { dest } from '../config';
 
-const app = express();
-
-function read_json(file: string) {
-	return JSON.parse(sander.readFileSync(file, { encoding: 'utf-8' }));
-}
+const app = polka();
 
 export default async function exporter(export_dir: string) {
 	const build_dir = dest();

src/cli/index.ts

@@ -2,7 +2,6 @@ import * as fs from 'fs';
 import * as path from 'path';
 import * as child_process from 'child_process';
 import sade from 'sade';
-import mri from 'mri';
 import chalk from 'chalk';
 import prettyMs from 'pretty-ms';
 import help from './help.md';

src/middleware/index.ts

@@ -4,7 +4,6 @@ import { ClientRequest, ServerResponse } from 'http';
 import mkdirp from 'mkdirp';
 import rimraf from 'rimraf';
 import serialize from 'serialize-javascript';
-import escape_html from 'escape-html';
 import { lookup } from './mime';
 import { create_routes, templates, create_compilers } from 'sapper/core.js';
 import { dest, dev } from '../config';