rollup.config.js

/* eslint-env node */

// import typescript from "@rollup/plugin-typescript"
import sucrase from "@rollup/plugin-sucrase"
import bundleImports from "rollup-plugin-bundle-imports"
import json from "@rollup/plugin-json"

const { dependencies } = require("./package.json")

const external = Object.keys(dependencies).concat(
    "firebase/app",
    "firebase/auth",
    "firebase/functions",
    "path",
    "fs",
)

// Was used for typescript plugin
// const {
//   compilerOptions,
// } = require("./tsconfigs/tsconfig-base.json")

const plugins = [
    json(),
    sucrase({
        transforms: ["typescript"],
    }),
    bundleImports({
        useVirtualModule: true,
        options: {
            external: ["%PATH%"],
        },
    }),
]

export default [
    {
        input: "src/index.ts",
        output: [
            {
                file: "lib/index-esm.js",
                format: "esm",
                sourcemap: "inline",
            },
            {
                file: "lib/index-cjs.js",
                format: "cjs",
                sourcemap: "inline",
            },
        ],
        external,
        plugins,
    },
]