swagger-typescript-api-generator/bin/a2apigen.js

Angular API client generator from swagger json

#!/usr/bin/env node

/**
 * Command line interface (CLI) for generator.
 *
 * @package angular2-swagger-apiclient-generator
 * @author Michal Krchnavy <michal@krchnavy.sk>
 */

// requirements
var optimist = require('optimist')
    .usage('Usage: a2apigen -s path/to/your/swagger.json')
    .alias('h', 'help')
    .alias('s', 'source')
    .alias('u', 'url')
    .alias('o', 'outputpath')
    .describe('s', 'Path to your swagger.json file')
    .describe('u', 'Url of your swagger.json file')
    .describe('o', 'Path where to store generated files');

var fs = require('fs');

var genRef = require('../lib/generator');

var argv = optimist.argv;

function stderr(err) {
    console.log('Error: ' + err);
    process.exit(1);
}

/**
 * Execute
 */
if (argv.help) {
    optimist.showHelp();
    process.exit(0);
}

// Check requirements
var fromSource = false;
var fromUrl = false;
if (typeof argv.source !== 'undefined' && argv.source !== true)
    fromSource = true;
else if (typeof argv.url !== 'undefined' && argv.url !== true)
    fromUrl = true;
else {
    stderr('Swagger.json file (-s) or url (-u) must be specified. See --help');
    process.exit(1);
}

var outputdir = argv.outputpath || './output';

if (!fs.existsSync(outputdir))
    fs.mkdirSync(outputdir);

var sourceFile = argv.source;

if (fromUrl) {
    var request = require('request');
    var path = require('path');
    var fs = require('fs');

    var dest = path.join(outputdir, "swagger.json");

    request
        .get(argv.url, function (error, response, body) {
            if (error || response.statusCode != 200) {
                console.log(error);
                process.exit(1);
            }

            fs.writeFileSync(dest, body, 'utf-8');

            var g = new genRef.Generator(dest, outputdir);
            g.Debug = true;
            g.generateAPIClient();
        });
}
else {
    //Do Job
    var g = new genRef.Generator(sourceFile, outputdir);
    g.Debug = true;
    g.generateAPIClient();
}