update Rollup, remove some superfluous deps

src/api/build.ts

@@ -1,7 +1,5 @@
 import * as fs from 'fs';
 import * as path from 'path';
-import mkdirp from 'mkdirp';
-import rimraf from 'rimraf';
 import minify_html from './utils/minify_html';
 import { create_compilers, create_main_manifests, create_manifest_data, create_serviceworker_manifest } from '../core';
 import { copy_shimport } from './utils/copy_shimport';
@@ -10,6 +8,7 @@ import { CompileResult } from '../core/create_compilers/interfaces';
 import { noop } from './utils/noop';
 import validate_bundler from './utils/validate_bundler';
 import { copy_runtime } from './utils/copy_runtime';
+import { rimraf, mkdirp } from './utils/fs_utils';
 
 type Opts = {
 	cwd?: string;
@@ -48,12 +47,12 @@ export async function build({
 		throw new Error(`Legacy builds are not supported for projects using webpack`);
 	}
 
-	rimraf.sync(path.join(output, '**/*'));
-	mkdirp.sync(output);
+	rimraf(output);
+	mkdirp(output);
 	copy_runtime(output);
 
-	rimraf.sync(path.join(dest, '**/*'));
-	mkdirp.sync(`${dest}/client`);
+	rimraf(dest);
+	mkdirp(`${dest}/client`);
 	copy_shimport(dest);
 
 	// minify src/template.html

src/api/dev.ts

@@ -3,8 +3,6 @@ import * as fs from 'fs';
 import * as http from 'http';
 import * as child_process from 'child_process';
 import * as ports from 'port-authority';
-import mkdirp from 'mkdirp';
-import rimraf from 'rimraf';
 import { EventEmitter } from 'events';
 import { create_manifest_data, create_main_manifests, create_compilers, create_serviceworker_manifest } from '../core';
 import { Compiler, Compilers } from '../core/create_compilers';
@@ -16,6 +14,7 @@ import { ManifestData, FatalEvent, ErrorEvent, ReadyEvent, InvalidEvent } from '
 import read_template from '../core/read_template';
 import { noop } from './utils/noop';
 import { copy_runtime } from './utils/copy_runtime';
+import { rimraf, mkdirp } from './utils/fs_utils';
 
 type Opts = {
 	cwd?: string,
@@ -146,12 +145,12 @@ class Watcher extends EventEmitter {
 
 		const { cwd, src, dest, routes, output, static: static_files } = this.dirs;
 
-		rimraf.sync(path.join(output, '**/*'));
-		mkdirp.sync(output);
+		rimraf(output);
+		mkdirp(output);
 		copy_runtime(output);
 
-		rimraf.sync(dest);
-		mkdirp.sync(`${dest}/client`);
+		rimraf(dest);
+		mkdirp(`${dest}/client`);
 		if (this.bundler === 'rollup') copy_shimport(dest);
 
 		if (!this.dev_port) this.dev_port = await ports.find(10000);

src/api/export.ts

@@ -1,6 +1,6 @@
 import * as child_process from 'child_process';
+import * as fs from 'fs';
 import * as path from 'path';
-import * as sander from 'sander';
 import * as url from 'url';
 import fetch from 'node-fetch';
 import * as yootils from 'yootils';
@@ -9,6 +9,7 @@ import clean_html from './utils/clean_html';
 import minify_html from './utils/minify_html';
 import Deferred from './utils/Deferred';
 import { noop } from './utils/noop';
+import { rimraf, copy, mkdirp } from './utils/fs_utils';
 
 type Opts = {
 	build_dir?: string,
@@ -47,18 +48,12 @@ async function _export({
 	export_dir = path.resolve(cwd, export_dir, basepath);
 
 	// Prep output directory
-	sander.rimrafSync(export_dir);
+	rimraf(export_dir);
 
-	sander.copydirSync(static_files).to(export_dir);
-	sander.copydirSync(build_dir, 'client').to(export_dir, 'client');
-
-	if (sander.existsSync(build_dir, 'service-worker.js')) {
-		sander.copyFileSync(build_dir, 'service-worker.js').to(export_dir, 'service-worker.js');
-	}
-
-	if (sander.existsSync(build_dir, 'service-worker.js.map')) {
-		sander.copyFileSync(build_dir, 'service-worker.js.map').to(export_dir, 'service-worker.js.map');
-	}
+	copy(static_files, export_dir);
+	copy(path.join(build_dir, 'client'), path.join(export_dir, 'client'));
+	copy(path.join(build_dir, 'service-worker.js'), path.join(export_dir, 'service-worker.js'));
+	copy(path.join(build_dir, 'service-worker.js.map'), path.join(export_dir, 'service-worker.js.map'));
 
 	const port = await ports.find(3000);
 
@@ -85,8 +80,8 @@ async function _export({
 	const seen = new Set();
 	const saved = new Set();
 
-	function save(path: string, status: number, type: string, body: string) {
-		const { pathname } = resolve(origin, path);
+	function save(url: string, status: number, type: string, body: string) {
+		const { pathname } = resolve(origin, url);
 		let file = decodeURIComponent(pathname.slice(1));
 
 		if (saved.has(file)) return;
@@ -107,7 +102,9 @@ async function _export({
 			status
 		});
 
-		sander.writeFileSync(export_dir, file, body);
+		const export_file = path.join(export_dir, file);
+		mkdirp(path.dirname(export_file));
+		fs.writeFileSync(export_file, body);
 	}
 
 	proc.on('message', message => {

src/api/utils/copy_runtime.ts

@@ -1,6 +1,6 @@
 import * as fs from 'fs';
 import * as path from 'path';
-import mkdirp from 'mkdirp';
+import { mkdirp } from './fs_utils';
 
 const runtime = [
 	'app.mjs',
@@ -16,7 +16,7 @@ const runtime = [
 
 export function copy_runtime(output: string) {
 	runtime.forEach(({ file, source }) => {
-		mkdirp.sync(path.dirname(`${output}/${file}`));
+		mkdirp(path.dirname(`${output}/${file}`));
 		fs.writeFileSync(`${output}/${file}`, source);
 	});
 }

src/api/utils/fs_utils.ts

@@ -0,0 +1,46 @@
+import * as fs from 'fs';
+import * as path from 'path';
+
+export function mkdirp(dir: string) {
+	const parent = path.dirname(dir);
+	if (parent === dir) return;
+
+	mkdirp(parent);
+
+	try {
+		fs.mkdirSync(dir);
+	} catch (err) {
+		// ignore
+	}
+}
+
+export function rimraf(thing: string) {
+	if (!fs.existsSync(thing)) return;
+
+	const stats = fs.statSync(thing);
+
+	if (stats.isDirectory()) {
+		fs.readdirSync(thing).forEach(file => {
+			rimraf(path.join(thing, file));
+		});
+
+		fs.rmdirSync(thing);
+	} else {
+		fs.unlinkSync(thing);
+	}
+}
+
+export function copy(from: string, to: string) {
+	if (!fs.existsSync(from)) return;
+
+	const stats = fs.statSync(from);
+
+	if (stats.isDirectory()) {
+		fs.readdirSync(from).forEach(file => {
+			copy(path.join(from, file), path.join(to, file));
+		});
+	} else {
+		mkdirp(path.dirname(to));
+		fs.writeFileSync(to, fs.readFileSync(from));
+	}
+}