j2s/build.js
2023-09-09 18:42:10 +03:00

76 lines
2.6 KiB
JavaScript

const { spawn } = require('child_process');
const fs = require('fs/promises');
const pt = require('path');
const conf = require('./meta');
const { argv } = require('process');
conf.version ??= argv[3];
if (conf.version.startsWith('refs/tags/')) conf.version = conf.version.substring(10);
if (conf.version.startsWith('v')) conf.version = conf.version.substring(1);
async function* find(src, dst, wildcard) {
const stat = await fs.stat(src);
if (stat.isDirectory()) {
for (const el of await fs.readdir(src)) {
for await (const res of find(pt.join(src, el), dst ? pt.join(dst, el) : undefined, wildcard)) yield res;
}
}
else if (stat.isFile() && wildcard(src)) yield dst ? { src, dst } : src;
}
async function copy(src, dst, wildcard) {
const promises = [];
for await (const el of find(src, dst, wildcard)) {
promises.push((async () => {
await fs.mkdir(pt.dirname(el.dst), { recursive: true });
await fs.copyFile(el.src, el.dst);
})());
}
await Promise.all(promises);
}
function run(cmd, ...args) {
return new Promise((res, rej) => {
const proc = spawn(cmd, args, { stdio: 'inherit' });
proc.once('exit', code => {
if (code === 0) res(code);
else rej(new Error(`Process ${cmd} exited with code ${code}.`));
});
})
}
async function compileJava() {
try {
await fs.writeFile('Metadata.java', (await fs.readFile('src/me/topchetoeu/jscript/Metadata.java')).toString()
.replace('${VERSION}', conf.version)
.replace('${NAME}', conf.name)
.replace('${AUTHOR}', conf.author)
);
const args = ['--release', '11', ];
if (argv[1] === 'debug') args.push('-g');
args.push('-d', 'dst/classes', 'Metadata.java');
for await (const path of find('src', undefined, v => v.endsWith('.java') && !v.endsWith('Metadata.java'))) args.push(path);
await run(conf.javahome + 'javac', ...args);
}
finally {
await fs.rm('Metadata.java');
}
}
(async () => {
try {
try { await fs.rm('dst', { recursive: true }); } catch {}
await copy('src', 'dst/classes', v => !v.endsWith('.java'));
await run('tsc', '-p', 'lib/tsconfig.json', '--outFile', 'dst/classes/me/topchetoeu/jscript/js/core.js'),
await compileJava();
await run('jar', '-c', '-f', 'dst/jscript.jar', '-e', 'me.topchetoeu.jscript.Main', '-C', 'dst/classes', '.');
}
catch (e) {
if (argv[2] === 'debug') throw e;
else console.log(e.toString());
}
})();