samtsc/src/index.js

This project was put together to make working with the AWS SAM framework easier for developers. It simplifies working with the SAM framework, using real-time updates to lambda functions, layers and resources. This is done by **samtsc** connecting to the

#!/usr/bin/env node
console.log('Starting samtsc');
try {
    const fs = require('./file-system');
    const { exit, stdin } = require('process');
    const { SAMFramework } = require('./framework');
    const { logger } = require('./logger');

    console.log('Checking template file');
    let templateFile;
    if(fs.existsSync('template.yml')) {
        templateFile = 'template.yml';
    } else if(fs.existsSync('template.yaml')) {
        templateFile = 'template.yaml';
    }

    if(!templateFile) {
        console.error('Error: could not find SAM template');
        exit(1);
        return;
    }

    console.log('Checking Build Directories');
    const buildDir = './.build/root';
    if(!fs.existsSync(buildDir)) {
        fs.mkdir(buildDir);
    }

    const flags = {};
    let flag = '';
    for(let arg of process.argv) {
        if(arg.startsWith('--')) {
            flag = arg.slice(2).replace(/\-/g, '_');
            flags[flag] = 'true';
        } else if (flag) {
            flags[flag] = arg;
        }
    }

    console.log(process.argv);
    if (process.argv[2] == 'params' || process.argv[1] == 'params') {
        const { ssmParamsToYaml, mergeFilesWithEnv } = require('./params/param-management');
        const { samconfig } = require('./sam/samconfig');
        samconfig.load(flags, buildDir);
        if(!samconfig.params_output && !samconfig.params_dir) {
            logger.error('Error: Missing value for params output or params dir. Please set params_output or params_dir in samconfig.toml or pass --params-output or --params-dir');
            return;
        }
        if(process.argv[3] == 'get' || process.argv[2] == 'get') {
            logger.info('Getting params');
            ssmParamsToYaml(samconfig)
            .then(() => {
                logger.info('Complete');
            });
        } else if (process.argv[3] == 'put' || process.argv[2] == 'put') {
            logger.info('Putting params');
            mergeFilesWithEnv(samconfig)
            .then(() => {
                logger.info('Complete');
            });
        }
        return;
    }

    const framework = new SAMFramework(templateFile, buildDir, flags)

    framework.load()
    .then(() => {
        if(flags.deploy_only != 'true' && flags.build_only != 'true') {
            console.log('samtsc: setup complete, waiting for modifications');
        } else {
            process.exit(0);
        }
    })
    .catch(err => {
        console.log(err);
        process.exit(1);
    });
} catch (err) {
    console.log(err);
}