#!/usr/bin/env node

'use strict';

// Provide a title to the process in `ps`

process.title = 'angular-cli';

const resolve = require('resolve');

const packageJson = require('../package.json');

const Version = require('../upgrade/version').Version;

const yellow = require('chalk').yellow;

const SemVer = require('semver').SemVer;

const fs = require('fs');

const path = require('path');

function _fromPackageJson(cwd) {

cwd = cwd || process.cwd();

do {

const packageJsonPath = path.join(cwd, 'node_modules/angular-cli/package.json');

if (fs.existsSync(packageJsonPath)) {

const content = fs.readFileSync(packageJsonPath, 'utf-8');

if (content) {

const json = JSON.parse(content);

if (json['version']) {

return new SemVer(json['version']);

}

}

}

// Check the parent.

cwd = path.dirname(cwd);

} while (cwd != path.dirname(cwd));

return null;

}

resolve('angular-cli', { basedir: process.cwd() },

function (error, projectLocalCli) {

var cli;

if (error) {

// If there is an error, resolve could not find the ng-cli

// library from a package.json. Instead, include it from a relative

// path to this script file (which is likely a globally installed

// npm package). Most common cause for hitting this is `ng new`

cli = require('../lib/cli');

} else {

// Verify that package's version.

Version.assertPostWebpackVersion();

// This was run from a global, check local version.

const globalVersion = new SemVer(packageJson['version']);

let localVersion;

let shouldWarn = false;

try {

localVersion = _fromPackageJson();

shouldWarn = localVersion && globalVersion.compare(localVersion) < 0;

} catch (e) {

console.error(e);

shouldWarn = true;

}

if (shouldWarn) {

// eslint-disable no-console

console.log(yellow(`Your global Angular CLI version (${globalVersion}) is greater than `

+ `your local version (${localVersion}). The local Angular CLI version is used.`));

}

// No error implies a projectLocalCli, which will load whatever

// version of ng-cli you have installed in a local package.json

cli = require(projectLocalCli);

}

if ('default' in cli) {

cli = cli['default'];

}

cli({

cliArgs: process.argv.slice(2),

inputStream: process.stdin,

outputStream: process.stdout

}).then(function (result) {

process.exit(typeof result === 'object' ? result.exitCode : result);

});

});