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rollup.config.js
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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 config from 'sapper/config/rollup.js';
import pkg from './package.json';
import alias from '@rollup/plugin-alias';
import attractionsPkg from 'attractions/package.json';
const svelteConfig = require('./svelte.config.js');
import sapperEnv from 'sapper-environment';
import 'prismjs';
import 'prism-svelte';
const mode = process.env.NODE_ENV;
const dev = mode === 'development';
const legacy = !!process.env.SAPPER_LEGACY_BUILD;
const onwarn = (warning, onwarn) =>
(warning.code === 'MISSING_EXPORT' && /'preload'/.test(warning.message)) ||
(warning.code === 'CIRCULAR_DEPENDENCY' &&
/[/\\]@sapper[/\\]/.test(warning.message)) ||
onwarn(warning);
const commonSubstitutions = {
'process.env.NODE_ENV': JSON.stringify(mode),
...sapperEnv(),
'process.latest_version': JSON.stringify(attractionsPkg.version),
'process.license': JSON.stringify(attractionsPkg.license),
};
const pathAlias = alias({
entries: [
{ find: /^src\//, replacement: __dirname + '/src/' },
{ find: /^#root\//, replacement: __dirname + '/../' },
],
});
export default {
client: {
input: config.client.input(),
output: config.client.output(),
plugins: [
replace({
values: {
'process.browser': true,
...commonSubstitutions,
},
preventAssignment: true,
}),
svelte({
...svelteConfig,
compilerOptions: {
dev,
hydratable: true,
},
emitCss: true,
}),
pathAlias,
resolve({
browser: true,
dedupe: ['svelte'],
}),
commonjs(),
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: config.server.input(),
output: config.server.output(),
plugins: [
replace({
values: {
'process.browser': false,
...commonSubstitutions,
},
preventAssignment: true,
}),
svelte({
...svelteConfig,
compilerOptions: {
dev,
hydratable: true,
generate: 'ssr',
},
}),
pathAlias,
resolve({
dedupe: ['svelte'],
}),
commonjs(),
],
external: Object.keys(pkg.dependencies).concat(
require('module').builtinModules
),
preserveEntrySignatures: 'strict',
onwarn,
},
serviceworker: {
input: config.serviceworker.input(),
output: config.serviceworker.output(),
plugins: [
resolve(),
replace({
values: {
'process.browser': true,
'process.env.NODE_ENV': JSON.stringify(mode),
},
preventAssignment: true,
}),
commonjs(),
!dev && terser(),
],
preserveEntrySignatures: false,
onwarn,
},
};