add SAPPER_BASE and SAPPER_APP environment variables

src/cli/build.ts

@@ -4,10 +4,10 @@ import * as clorox from 'clorox';
 import mkdirp from 'mkdirp';
 import rimraf from 'rimraf';
 import { create_compilers, create_main_manifests, create_routes, create_serviceworker_manifest } from '../core'
-import { dest } from '../config';
+import { locations } from '../config';
 
 export async function build() {
-	const output = dest();
+	const output = locations.dest();
 
 	mkdirp.sync(output);
 	rimraf.sync(path.join(output, '**/*'));

src/cli/dev.ts

@@ -9,7 +9,7 @@ import rimraf from 'rimraf';
 import format_messages from 'webpack-format-messages';
 import prettyMs from 'pretty-ms';
 import * as ports from 'port-authority';
-import { dest } from '../config';
+import { locations } from '../config';
 import { create_compilers, create_main_manifests, create_routes, create_serviceworker_manifest } from '../core';
 
 type Deferred = {
@@ -84,7 +84,7 @@ export async function dev(opts: { port: number }) {
 		port = await ports.find(3000);
 	}
 
-	const dir = dest();
+	const dir = locations.dest();
 	rimraf.sync(dir);
 	mkdirp.sync(dir);
 

src/cli/export.ts

@@ -5,10 +5,10 @@ import cheerio from 'cheerio';
 import URL from 'url-parse';
 import fetch from 'node-fetch';
 import * as ports from 'port-authority';
-import { dest } from '../config';
+import { locations } from '../config';
 
 export async function exporter(export_dir: string) {
-	const build_dir = dest();
+	const build_dir = locations.dest();
 
 	// Prep output directory
 	sander.rimrafSync(export_dir);

src/config.ts

@@ -1,5 +1,10 @@
 import * as path from 'path';
 
 export const dev = () => process.env.NODE_ENV !== 'production';
-export const src = () => path.resolve(process.env.SAPPER_ROUTES || 'routes');
-export const dest = () => path.resolve(process.env.SAPPER_DEST || '.sapper');
+
+export const locations = {
+	base:   () => path.resolve(process.env.SAPPER_BASE || ''),
+	app:    () => path.resolve(process.env.SAPPER_BASE || '', process.env.SAPPER_APP    || 'app'),
+	routes: () => path.resolve(process.env.SAPPER_BASE || '', process.env.SAPPER_ROUTES || 'routes'),
+	dest:   () => path.resolve(process.env.SAPPER_BASE || '', process.env.SAPPER_DEST   || '.sapper')
+};

src/core/create_routes.ts

@@ -1,9 +1,9 @@
 import * as path from 'path';
 import glob from 'glob';
-import { src } from '../config';
+import { locations } from '../config';
 import { Route } from '../interfaces';
 
-export default function create_routes({ files } = { files: glob.sync('**/*.*', { cwd: src(), nodir: true }) }) {
+export default function create_routes({ files } = { files: glob.sync('**/*.*', { cwd: locations.routes(), nodir: true }) }) {
 	const routes: Route[] = files
 		.map((file: string) => {
 			if (/(^|\/|\\)_/.test(file)) return;

src/middleware.ts

@@ -7,7 +7,7 @@ import devalue from 'devalue';
 import { lookup } from './middleware/mime';
 import { minify_html } from './middleware/minify_html';
 import { create_routes, create_compilers } from './core';
-import { dest, dev } from './config';
+import { locations, dev } from './config';
 import { Route, Template } from './interfaces';
 import sourceMapSupport from 'source-map-support';
 
@@ -41,7 +41,7 @@ interface Req extends ClientRequest {
 export default function middleware({ routes }: {
 	routes: RouteObject[]
 }) {
-	const output = dest();
+	const output = locations.dest();
 
 	const client_info = JSON.parse(fs.readFileSync(path.join(output, 'client_info.json'), 'utf-8'));
 
@@ -81,7 +81,7 @@ function serve({ prefix, pathname, cache_control }: {
 		? (req: Req) => req.pathname === pathname
 		: (req: Req) => req.pathname.startsWith(prefix);
 
-	const output = dest();
+	const output = locations.dest();
 
 	const cache: Map<string, Buffer> = new Map();
 

src/webpack.ts

@@ -1,4 +1,4 @@
-import { dest, dev } from './config';
+import { locations, dev } from './config';
 
 export default {
 	dev: dev(),
@@ -12,7 +12,7 @@ export default {
 
 		output: () => {
 			return {
-				path: `${dest()}/client`,
+				path: `${locations.dest()}/client`,
 				filename: '[hash]/[name].js',
 				chunkFilename: '[hash]/[name].[id].js',
 				publicPath: '/client/'
@@ -29,7 +29,7 @@ export default {
 
 		output: () => {
 			return {
-				path: dest(),
+				path: locations.dest(),
 				filename: '[name].js',
 				chunkFilename: '[hash]/[name].[id].js',
 				libraryTarget: 'commonjs2'
@@ -46,7 +46,7 @@ export default {
 
 		output: () => {
 			return {
-				path: dest(),
+				path: locations.dest(),
 				filename: '[name].js',
 				chunkFilename: '[name].[id].[hash].js'
 			}