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bandolier-website/bando.js

83 lines
2.2 KiB

#!/usr/bin/env node
import { Command } from "commander";
// NOTE: this changed in node 18 to be node:url for...stupid
import { fileURLToPath } from "url";
import { glob } from "./lib/builderator.js";
import path from "path";
import assert from "assert";
import fs from "fs";
// BUG: this will load the commands but most of them assume the root
const __filename = fileURLToPath(import.meta.url);
const { dir } = path.parse(__filename);
let __dirname = dir;
// now even exec commands will know where the project root is
process.env['PROJECT_ROOT'] = __dirname;
const program = new Command();
// remember that glob doesn't like windows \
const command_dir = `${__dirname}/commands`;
if(!fs.existsSync(command_dir)) {
console.error("ERROR: there is no command directory at", command_dir);
process.exit(1);
}
program
.name("bando")
.description("Command runner for the bando project.")
.version("0.1.0");
// only load the commands modules if any options are given
if(process.argv.length === 2) {
console.log("COMMANDS:\n");
const commands = glob(`${command_dir}/*.js`).map(cmd => {
console.log(path.parse(cmd).name);
});
if(process.platform === "win32") {
console.log("\nUse './bando help' for full help.");
} else {
console.log("\nUse './bando.js help' for full help.");
}
} else {
for(let command of glob(`${command_dir}/*.js`)) {
try {
const { name } = path.parse(command);
const mod = await import(command);
assert(mod.description, `export const description missing in ${command}`);
assert(mod.main, `export const main missing in ${command}`);
const build = program.command(name)
.description(mod.description)
.action(mod.main);
if(mod.options) {
mod.options.forEach(opt => build.option(...opt));
}
if(mod.required) {
mod.required.forEach(opt => build.requiredOption(...opt));
}
if(mod.argument) {
build.argument(...mod.argument);
}
} catch(error) {
console.log(error, `Loading file ${command}`);
}
}
}
try {
program.parse();
} catch(error) {
console.log("------------- ERROR, here's the stack trace.");
console.error(error.stack);
process.exit(1);
}