1 files changed, 122 insertions, 0 deletions
diff --git a/rollup.config.js b/rollup.config.js
new file mode 100644
index 0000000..d27110d
--- /dev/null
+++ b/rollup.config.js
@@ -0,0 +1,122 @@
+import resolve from '@rollup/plugin-node-resolve';
+import replace from '@rollup/plugin-replace';
+import commonjs from '@rollup/plugin-commonjs';
+import svelte from 'rollup-plugin-svelte';
+import babel from '@rollup/plugin-babel';
+import { terser } from 'rollup-plugin-terser';
+import sveltePreprocess from 'svelte-preprocess';
+import typescript from '@rollup/plugin-typescript';
+import config from 'sapper/config/rollup.js';
+import pkg from './package.json';
+
+const mode = process.env.NODE_ENV;
+const dev = mode === 'development';
+const legacy = !!process.env.SAPPER_LEGACY_BUILD;
+
+const preprocess = sveltePreprocess({
+  postcss: {
+    plugins: [
+      require('postcss-import')(),
+      require('postcss-nested')()
+    ]
+  }
+});
+
+const onwarn = (warning, onwarn) =>
+	(warning.code === 'MISSING_EXPORT' && /'preload'/.test(warning.message)) ||
+	(warning.code === 'CIRCULAR_DEPENDENCY' && /[/\\]@sapper[/\\]/.test(warning.message)) ||
+	(warning.code === 'THIS_IS_UNDEFINED') ||
+	onwarn(warning);
+
+export default {
+	client: {
+		input: config.client.input().replace(/.js$/, '.ts'),
+		output: config.client.output(),
+		plugins: [
+			replace({
+				'process.browser': true,
+				'process.env.NODE_ENV': JSON.stringify(mode)
+			}),
+			svelte({
+				dev,
+				hydratable: true,
+				preprocess: preprocess,
+				emitCss: true
+			}),
+			resolve({
+				browser: true,
+				dedupe: ['svelte']
+			}),
+			commonjs(),
+			typescript({ sourceMap: dev }),
+
+			legacy && babel({
+				extensions: ['.js', '.mjs', '.html', '.svelte'],
+				babelHelpers: 'runtime',
+				exclude: ['node_modules/@babel/**'],
+				presets: [
+					['@babel/preset-env', {
+						targets: '> 0.25%, not dead'
+					}]
+				],
+				plugins: [
+					'@babel/plugin-syntax-dynamic-import',
+					['@babel/plugin-transform-runtime', {
+						useESModules: true
+					}]
+				]
+			}),
+
+			!dev && terser({
+				module: true
+			})
+		],
+
+		preserveEntrySignatures: false,
+		onwarn,
+	},
+
+	server: {
+		input: { server: config.server.input().server.replace(/.js$/, ".ts") },
+		output: config.server.output(),
+		plugins: [
+			replace({
+				'process.browser': false,
+				'process.env.NODE_ENV': JSON.stringify(mode)
+			}),
+			svelte({
+				generate: 'ssr',
+				hydratable: true,
+				preprocess: preprocess,
+				dev
+			}),
+			resolve({
+				dedupe: ['svelte']
+			}),
+			commonjs(),
+			typescript({ sourceMap: dev })
+		],
+		external: Object.keys(pkg.dependencies).concat(require('module').builtinModules),
+
+		preserveEntrySignatures: 'strict',
+		onwarn,
+	},
+
+	serviceworker: {
+		input: config.serviceworker.input().replace(/.js$/, '.ts'),
+		output: config.serviceworker.output(),
+		plugins: [
+			resolve(),
+			replace({
+				'process.browser': true,
+				'process.env.NODE_ENV': JSON.stringify(mode)
+			}),
+			commonjs(),
+			typescript({ sourceMap: dev }),
+			!dev && terser()
+		],
+
+		preserveEntrySignatures: false,
+		onwarn,
+	}
+};