esbuild.config.js

/* eslint-disable no-unused-vars */
import { build } from "esbuild";
import process from "process";
import console from "node:console";
import { readFileSync } from "fs";

// eslint-disable-next-line no-undef
const { dependencies } = JSON.parse(readFileSync(new URL("./package.json", import.meta.url)));
const production = process.argv[2] === "--production";

const cjs = build({
    entryPoints: ["./src/index.js"],
    bundle: true,
    platform: "node",
    format: "cjs",
    external: Object.keys(dependencies),
    watch: production ? false : {
        onRebuild(error, result) {
            if (error) {
                console.error(`[watch] building node cjs failed:`, error);
            } else {
                const { stop, ...alerts } = result;
                console.log(`[watch] built node cjs:`, alerts);
            }
        },
    },
    target: "es2020",
    banner: {
        js: "/* This is a bundled file generated by esbuild\nIf you want to view the source, please visit the github repository */",
    },
    outfile: "./dist/index.cjs",
}).then((result) => {
    const { stop, ...alerts } = result;
    console.log(`built node cjs:`, alerts);
}).catch((error) => {
    console.error(`building node cjs failed:`, error);
    process.exit(1);
});

if (!production) cjs.then(() => console.log("watch mode enabled..."));