derw/build/cli/bundle.js

An Elm-inspired language that transpiles to TypeScript

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.bundle = bundle;
const baner_1 = require("@eeue56/baner");
const chokidar = __importStar(require("chokidar"));
const esbuild = __importStar(require("esbuild"));
const path_1 = __importDefault(require("path"));
const compile_1 = require("./compile");
const bundleParser = (0, baner_1.parser)([
    (0, baner_1.longFlag)("entry", "Entry point file to bundle up", (0, baner_1.string)()),
    (0, baner_1.longFlag)("output", "Output file to generate", (0, baner_1.string)()),
    (0, baner_1.longFlag)("quiet", "Don't print any output", (0, baner_1.empty)()),
    (0, baner_1.longFlag)("watch", "Watch Derw files for changes", (0, baner_1.empty)()),
    (0, baner_1.longFlag)("optimize", "Run generated Javascript through minification", (0, baner_1.empty)()),
    (0, baner_1.bothFlag)("h", "help", "This help text", (0, baner_1.empty)()),
]);
function showBundleHelp() {
    console.log("To bundle, run `derw build --entry {filename} --output {filename}`");
    console.log("To watch use the --watch flag");
    console.log("To produce the smallest bundle use the --optimize flag");
    console.log((0, baner_1.help)(bundleParser));
}
async function bundle(isInPackageDirectory, argv) {
    if (!isInPackageDirectory) {
        console.log("No derw-package.json found. Maybe you need to run `derw init` first?");
        process.exit(1);
    }
    const program = (0, baner_1.parse)(bundleParser, argv);
    if (program.flags["h/help"].isPresent) {
        showBundleHelp();
        return;
    }
    const errors = (0, baner_1.allErrors)(program);
    if (errors.length > 0) {
        console.log("Errors:");
        console.log(errors.join("\n"));
        process.exit(1);
    }
    const output = program.flags.output.isPresent &&
        program.flags.output.arguments.kind === "Ok" &&
        program.flags.output.arguments.value;
    if (!output) {
        console.log("You must provide an output filename with --output <filename>");
        process.exit(1);
    }
    let entry = program.flags.entry.isPresent &&
        program.flags.entry.arguments.kind === "Ok" &&
        program.flags.entry.arguments.value;
    if (!entry) {
        console.log("You must provide an entry filename with --entry <filename>");
        process.exit(1);
    }
    if (entry.endsWith(".derw")) {
        entry = entry.split(".").slice(0, -1).join(".") + ".ts";
    }
    const args = program.flags.quiet.isPresent ? ["--quiet"] : [];
    async function build() {
        await (0, compile_1.compileFiles)(isInPackageDirectory, args);
        try {
            if (program.flags.optimize.isPresent) {
                await esbuild.build({
                    entryPoints: [entry],
                    logLevel: "error",
                    bundle: true,
                    minify: true,
                    format: "iife",
                    outfile: output,
                });
            }
            else {
                await esbuild.build({
                    entryPoints: [entry],
                    logLevel: "error",
                    bundle: true,
                    outfile: output,
                });
            }
        }
        catch (e) { }
    }
    if (program.flags.watch.isPresent) {
        console.log("Watching src and derw-packages...");
        let timer;
        chokidar
            .watch([
            path_1.default.join(process.cwd(), "src"),
            path_1.default.join(process.cwd(), "derw-packages"),
        ])
            .on("all", async (event, path) => {
            if (path.endsWith(".derw")) {
                if (timer !== null) {
                    clearTimeout(timer);
                }
                timer = setTimeout(async () => {
                    await build();
                }, 300);
            }
        });
    }
    else {
        if (!program.flags.quiet.isPresent) {
            console.log("Bundling...");
        }
        await build();
    }
}