pp-parachute/shared/config.js

Airdrop JS Applications

var fs = require('fs');
var path = require('path');
var mkdirp = require('mkdirp');

var parachuteJSONPath = "/tmp/pp-parachute/chute.json";
var json = null;

var defaultConfig = {
    config: {
        port: 8080,
        host: 'localhost',
        proxyHost: 'localhost',
        proxyPort: 3000
    },
    applications: {}
};

var ensureJSON = function () {
    if (json) return;
    if (!fs.existsSync(parachuteJSONPath)) {
        var path = parachuteJSONPath.split('/');
        path.pop();
        mkdirp.sync(path.join('/'));
        fs.writeFileSync(parachuteJSONPath, JSON.stringify(defaultConfig, null, 4));
    }
    json = require(parachuteJSONPath);
};

var reset = function () {
    json = null;
};

var getProxyHost = function() {
    ensureJSON();
    return json.config["proxyHost"] || defaultConfig.config.proxyHost;
};

var getProxyPort = function() {
    ensureJSON();
    return json.config["proxyPort"] || defaultConfig.config.proxyPort;
};

var getHost = function () {
    ensureJSON();
    return json.config["host"] || defaultConfig.config.host;
};

var getPort = function () {
    ensureJSON();
    return json.config["port"] || defaultConfig.config.port;
};

var getHostAndPort = function() {
    ensureJSON();
    return getHost() + ":" + getPort();
};

var getBaseUrl = function() {
    return 'http://' + getHostAndPort();
};

var getApplications = function () {
    ensureJSON();
    return json["applications"] || {};
};

var addApplication = function(appName, appPath) {
    json["applications"][appName] = appPath;
    writeJson();
};

var removeApplication = function(appName) {
    delete json["applications"][appName];
    writeJson();
};

var renameApplication = function(appName, newName) {
    json["applications"][newName] = json["applications"][appName];
    delete json["applications"][appName];
    writeJson();
};

var writeJson = function() {
    fs.writeFileSync(parachuteJSONPath, JSON.stringify(json, null, 4));
};

module.exports = {
    reset: reset,
    getHost: getHost,
    getPort: getPort,
    getHostAndPort: getHostAndPort,
    getProxyHost: getProxyHost,
    getProxyPort: getProxyPort,
    getBaseUrl: getBaseUrl,
    getApplications: getApplications,
    addApplication: addApplication,
    removeApplication: removeApplication,
    renameApplication: renameApplication
};