#!/usr/bin/env node
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'use strict';
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const fs = require('fs');
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const path = require('path');
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const wrap = require('module').wrap;
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const spawnSync = require('child_process').spawnSync;
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const bytenode = require('./index.js');
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const args = process.argv.slice(2);
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if (args.includes('-c')) {
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args[args.indexOf('-c')] = '--compile';
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}
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if (args.includes('-o')) {
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args[args.indexOf('-o')] = '--out';
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}
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if (args.includes('-h')) {
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args[args.indexOf('-h')] = '--help';
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}
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if (args.includes('-v')) {
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args[args.indexOf('-v')] = '--version';
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}
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if (args.includes('-n')) {
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args[args.indexOf('-n')] = '--no-module';
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}
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if (args.includes('-e')) {
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args[args.indexOf('-e')] = '--electron';
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}
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if (args.includes('-ep')) {
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args[args.indexOf('-ep')] = '--electron-path';
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}
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let electronPath;
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if (args.includes('--electron-path')) {
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const nextIndex = args.indexOf('--electron-path') + 1;
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const nextItem = args[nextIndex];
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if (nextItem && nextItem[0] !== '-') {
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const ep = path.resolve(nextItem);
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if (fs.existsSync(ep) && fs.statSync(ep).isFile()) {
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electronPath = ep;
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// remove the electron path from the args so it
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// isn't mistaken for a file to compile
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args.splice(args.indexOf('--electron-path'), 2);
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} else {
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console.error(`Error: Cannot find file '${ep}'.`);
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process.exit(1);
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}
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} else {
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console.error(`Error: Missing path to Electron executable.`);
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process.exit(1);
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}
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}
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if (args.includes('-l')) {
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args[args.indexOf('-l')] = '--loader';
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}
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let loaderFilename;
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let createLoader = false;
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if (args.includes('--loader')) {
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createLoader = true;
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const nextIndex = args.indexOf('--loader') + 1;
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const nextItem = args[nextIndex];
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if (nextItem && nextItem[0] !== '-') {
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loaderFilename = nextItem;
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// remove the loader filename from the args so it
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// isn't mistaken for a file to compile
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args.splice(nextIndex, 1);
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}
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}
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if (args.includes('--no-loader')) {
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createLoader = false;
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}
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if (args.includes('-t')) {
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args[args.indexOf('-t')] = '--loader-type';
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}
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if (args.includes('--loader-type')) {
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const nextIndex = args.indexOf('--loader-type') + 1;
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const nextItem = args[nextIndex];
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if (nextItem) {
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createLoader = nextItem;
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args.splice(nextIndex, 1);
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}
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}
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const program = {
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dirname: __dirname,
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filename: __filename,
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nodeBin: process.argv[0],
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flags: args.filter(arg => arg[0] === '-'),
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files: args.filter(arg => arg[0] !== '-' && arg[1] !== '-')
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};
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if (program.flags.includes('--compile')) {
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const compress = program.flags.includes('--compress');
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program.files.forEach(async function (filename) {
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filename = path.resolve(filename);
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if (fs.existsSync(filename) && fs.statSync(filename).isFile()) {
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const compileAsModule = !program.flags.includes('--no-module');
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const electron = program.flags.includes('--electron');
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try {
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await bytenode.compileFile({ filename, compileAsModule, compress, electron, createLoader, loaderFilename, electronPath });
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} catch (error) {
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console.error(error);
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}
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} else {
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console.error(`Error: Cannot find file '${filename}'.`);
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}
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});
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if (program.files.length === 0) {
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let script = '';
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process.stdin.setEncoding('utf-8');
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process.stdin.on('readable', () => {
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const data = process.stdin.read();
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if (data !== null) {
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script += data;
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}
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});
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process.stdin.on('end', () => {
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try {
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if (program.flags.includes('--no-module')) {
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process.stdout.write(bytenode.compileCode(script, compress));
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} else {
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process.stdout.write(bytenode.compileCode(wrap(script), compress));
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}
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} catch (error) {
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console.error(error);
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}
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});
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}
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} else if (program.flags.includes('--help')) {
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console.log(`
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Usage: bytenode [option] [ FILE... | - ] [arguments]
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Options:
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-h, --help show help information.
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-v, --version show bytenode version.
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-c, --compile [ FILE... | - ] compile stdin, a file, or a list of files
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--compress compress bytecode
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-n, --no-module compile without producing commonjs module
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-e, --electron compile for Electron
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-ep, --electron-path path to Electron executable
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-l, --loader [ FILE | PATTERN ] create a loader file and optionally define
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loader filename or pattern using % as
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filename replacer. Defaults to %.loader.js
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--no-loader do not create a loader file, conflicts
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with -l
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-t, --loader-type type create a loader file of type commonjs or
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module. Defaults to CommonJS
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Examples:
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$ bytenode -c script.js compile \`script.js\` to \`script.jsc\`.
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$ bytenode -c server.js app.js
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$ bytenode -c src/*.js compile all \`.js\` files in \`src/\` directory.
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$ bytenode script.jsc [arguments] run \`script.jsc\` with arguments.
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$ bytenode open Node REPL with bytenode pre-loaded.
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$ echo 'console.log("Hello");' | bytenode --compile - > hello.jsc
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compile from stdin and save to \`hello.jsc\`
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`);
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} else if (program.flags.includes('--version') && program.flags.length === 1 && program.files.length === 0) {
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const pkg = require('../package.json');
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console.log(pkg.name, pkg.version);
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console.log('Node', process.versions.node);
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if (process.versions.electron) {
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console.log('Electron', process.versions.electron);
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}
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} else {
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try {
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const result = spawnSync(program.nodeBin, [
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'-r',
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path.resolve(__dirname, 'index.js')
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].concat(args), {
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stdio: 'inherit'
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});
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process.exit(result.status);
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} catch (error) {
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console.error(error);
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process.exit(1);
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}
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}
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