concatenate.js

#!/usr/bin/env node
'use strict'
const spawnSync = require('child_process').spawnSync
const COMPILER_PATH = require('google-closure-compiler').compiler.COMPILER_PATH

const args = ['-jar', COMPILER_PATH].concat(get_args())
const result = spawnSync('java', args, { stdio: 'inherit' })
if (result.error) {
    if (result.error.code === 'ENOENT') {
        console.error('Could not find "java" in your PATH.')
    } else {
        console.error(result.error.message)
    }
    process.exit(1)
} else {
    process.exit(result.status)
}

function get_args() {
    const entryPoint = process.argv[2];
    const outputFile = process.argv[3];

    console.log("Entry point:", entryPoint);
    console.log("Output:", outputFile);

    return [
        "--process_common_js_modules",
        "--module_resolution", "NODE",
        "--dependency_mode", "STRICT",
        "--compilation_level", "SIMPLE",
        "--isolation_mode", "IIFE",
        "--language_in", "ECMASCRIPT5_STRICT",
        "--language_out", "ECMASCRIPT5_STRICT",
        "--entry_point", entryPoint,
        "--js_output_file", outputFile,
        "--js", "build/ts/**.js",
    ];
}