rink-rs/web/rollup.config.js

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 typescript from "rollup-plugin-typescript2";
import { terser } from "rollup-plugin-terser";
import rust from "@wasm-tool/rollup-plugin-rust";
import sveltePreprocess from "svelte-preprocess";
import config from "sapper/config/rollup.js";
import pkg from "./package.json";
import path from "path";
import json from "@rollup/plugin-json";

const mode = process.env.NODE_ENV;
const dev = mode === "development";

const onwarn = (warning, onwarn) =>
  (warning.code === "CIRCULAR_DEPENDENCY" &&
    /[/\\]@sapper[/\\]/.test(warning.message)) ||
  onwarn(warning);

export default {
  client: {
    input: config.client.input(),
    output: config.client.output(),
    plugins: [
      rust({
        serverPath: "/client/",
        debug: false,
      }),
      typescript({
        typescript: require("typescript"),
      }),
      json(),
      replace({
        "process.browser": true,
        "process.env.NODE_ENV": JSON.stringify(mode),
      }),
      svelte({
        dev,
        hydratable: true,
        emitCss: true,
        preprocess: sveltePreprocess(),
      }),
      resolve({
        browser: true,
        dedupe: ["svelte"],
      }),
      commonjs(),

      !dev &&
        terser({
          module: true,
        }),
    ],

    preserveEntrySignatures: false,
    onwarn,
  },

  server: {
    input: config.server.input(),
    output: config.server.output(),
    plugins: [
      rust({
        nodejs: true,
        serverPath:
          path
            .relative(process.cwd(), config.server.output().dir)
            .replace("\\", "/") + "/",
        debug: false,
      }),
      typescript({
        typescript: require("typescript"),
      }),
      json(),
      replace({
        "process.browser": false,
        "process.env.NODE_ENV": JSON.stringify(mode),
      }),
      svelte({
        generate: "ssr",
        dev,
        preprocess: sveltePreprocess(),
      }),
      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({
        "process.browser": true,
        "process.env.NODE_ENV": JSON.stringify(mode),
      }),
      commonjs(),
      !dev && terser(),
    ],

    preserveEntrySignatures: false,
    onwarn,
  },
};