nicco.io/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 { terser } from 'rollup-plugin-terser'
import config from 'sapper/config/rollup.js'
import pkg from './package.json'
const mode = process.env.NODE_ENV
const dev = mode === 'development'
const onwarn = (warning, onwarn) =>
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(warning.code === 'MISSING_EXPORT' && /'preload'/.test(warning.message)) ||
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(warning.code === 'CIRCULAR_DEPENDENCY' &&
/[/\\]@sapper[/\\]/.test(warning.message)) ||
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onwarn(warning)
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export default {
client: {
input: config.client.input(),
output: config.client.output(),
plugins: [
replace({
'process.browser': true,
'process.env.NODE_ENV': JSON.stringify(mode),
}),
svelte({
dev,
hydratable: true,
emitCss: true,
}),
resolve({
browser: true,
dedupe: ['svelte'],
}),
commonjs(),
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!dev &&
terser({
module: true,
}),
],
preserveEntrySignatures: false,
onwarn,
},
server: {
input: config.server.input(),
output: config.server.output(),
plugins: [
replace({
'process.browser': false,
'process.env.NODE_ENV': JSON.stringify(mode),
}),
svelte({
generate: 'ssr',
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hydratable: true,
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dev,
}),
resolve({
dedupe: ['svelte'],
}),
commonjs(),
],
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external: Object.keys(pkg.dependencies).concat(
require('module').builtinModules
),
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preserveEntrySignatures: 'strict',
onwarn,
},
}