deno-build-typescript.ts

import * as esbuild from "npm:esbuild";
import { solidPlugin } from "npm:esbuild-plugin-solid";
import { denoPlugins } from "https://cdn.jsdelivr.net/gh/Ciantic/esbuild_deno_loader/mod.ts";

async function buildTsFile(file: string, outFile: string) {
    if (!file) {
        console.error("Please provide a file to bundle.");
        return false;
    }

    if (!outFile) {
        console.error("Please provide an output file.");
        return false;
    }

    if (!file.endsWith(".ts") && !file.endsWith(".tsx")) {
        console.error("Please provide a .ts file to bundle.");
        console.error("Given file: ", file);
        return false;
    }

    if (!outFile.endsWith(".js")) {
        console.error("Please provide a .js output file.");
        console.error("Given file: ", outFile);
        return false;
    }

    const [denoLoader, denoResolver] = denoPlugins({
        loader: "native",
    });

    await esbuild.build({
        plugins: [
            denoLoader,
            solidPlugin({
                solid: {
                    moduleName: "npm:solid-js/web",
                },
            }),
            denoResolver,
        ],
        entryPoints: [file],
        outfile: outFile,
        bundle: true,
        format: "esm",
        jsx: "automatic",
        tsconfigRaw: {
            compilerOptions: {
                experimentalDecorators: true,
            },
        },
        // treeShaking: true,
        // minify: true,

        // Minify is required for dead code elimination, tree shaking doesn't
        // remove: `if (false) { ... }` statements.
        // minifySyntax: true,
        // minifyWhitespace: true,
        // minify: true,
        define: {
            // Deno: "false",
            // Deno: JSON.stringify({
            //     build: {
            //         os: "browser", // Deno database uses browser key
            //     },
            // }),
        },
    });
}

// Get first argument
const file = Deno.args[0];
const outFile = Deno.args[1];

await buildTsFile(file, outFile);