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rollup.config.js
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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 json from "@rollup/plugin-json";
import typescript from "@rollup/plugin-typescript";
import svelte from "rollup-plugin-svelte";
import babel from "@rollup/plugin-babel";
import { terser } from "rollup-plugin-terser";
import config from "sapper/config/rollup";
import pkg from "./package.json";
const { createPreprocessors } = require("./svelte.config.js");
const mode = process.env.NODE_ENV;
const dev = mode === "development";
const sourcemap = dev ? "inline" : false;
const legacy = !!process.env.SAPPER_LEGACY_BUILD;
const preprocess = createPreprocessors({ sourceMap: !!sourcemap });
const warningIsIgnored = (warning) => warning.message.includes(
"Use of eval is strongly discouraged, as it poses security risks and may cause issues with minification",
) || warning.message.includes("Circular dependency: node_modules");
// Workaround for https://github.com/sveltejs/sapper/issues/1266
const onwarn = (warning, _onwarn) => (warning.code === "CIRCULAR_DEPENDENCY" && /[/\\]@sapper[/\\]/.test(warning.message)) || warningIsIgnored(warning) || console.warn(warning.toString());
export default {
client: {
input: config.client.input().replace(/\.js$/, ".ts"),
output: { ...config.client.output(), sourcemap },
plugins: [
replace({
"process.browser": true,
"process.env.NODE_ENV": JSON.stringify(mode),
}),
svelte({
compilerOptions: {
dev,
hydratable: true,
},
emitCss: true,
preprocess,
}),
resolve({
browser: true,
dedupe: ["svelte"],
}),
commonjs({
sourceMap: !!sourcemap,
}),
typescript({
noEmitOnError: !dev,
sourceMap: !!sourcemap,
}),
json(),
legacy && babel({
extensions: [".js", ".mjs", ".html", ".svelte"],
babelHelpers: "runtime",
exclude: ["node_modules/@babel/**"],
presets: [
["@babel/preset-env", {
targets: "> 0.25%, not dead",
}],
],
plugins: [
"@babel/plugin-syntax-dynamic-import",
["@babel/plugin-transform-runtime", {
useESModules: true,
}],
],
}),
!dev && terser({
module: true,
}),
],
preserveEntrySignatures: false,
onwarn,
},
server: {
input: { server: config.server.input().server.replace(/\.js$/, ".ts") },
output: { ...config.server.output(), sourcemap },
plugins: [
replace({
"process.browser": false,
"process.env.NODE_ENV": JSON.stringify(mode),
"module.require": "require",
}),
svelte({
compilerOptions: {
dev,
generate: "ssr",
},
preprocess,
}),
resolve({
dedupe: ["svelte"],
}),
commonjs({
sourceMap: !!sourcemap,
}),
typescript({
noEmitOnError: !dev,
sourceMap: !!sourcemap,
}),
json(),
],
external: Object.keys(pkg.dependencies).concat(
require("module").builtinModules || Object.keys(process.binding("natives")), // eslint-disable-line global-require
),
preserveEntrySignatures: "strict",
onwarn,
},
serviceworker: {
input: config.serviceworker.input().replace(/\.js$/, ".ts"),
output: { ...config.serviceworker.output(), sourcemap },
plugins: [
resolve(),
replace({
"process.browser": true,
"process.env.NODE_ENV": JSON.stringify(mode),
}),
commonjs({
sourceMap: !!sourcemap,
}),
typescript({
noEmitOnError: !dev,
sourceMap: !!sourcemap,
}),
!dev && terser(),
],
preserveEntrySignatures: false,
onwarn,
},
};