embark-solium/src/command-handler.v3.js

Official Solium Plugin for the Embark Framework

/**
 * @fileoverview Exports the callback function passed to embark to handle solium commands
 * @author Raghav Dua <duaraghav8@gmail.com>
 */

"use strict";


const Solium = require("solium"), fs = require("fs"),
    consts = require("./constants"), path = require("path"), Table = require("text-table");


function tokenize(command) {
    const tokens = command
        .split(" ")
        .map(t => t.trim())
        .filter(t => t.length > 0);

    return tokens;
}

function createConfigFiles() {
    const defaultConfig = Solium.getDefaultConfig(),
        soliumrc = path.join(consts.ROOT_DIR, consts.SOLIUMRC_JSON),
        soliumignore = path.join(consts.ROOT_DIR, consts.SOLIUMIGNORE);

    fs.writeFileSync(soliumrc, JSON.stringify(defaultConfig[consts.SOLIUMRC_JSON], null, 2));
    fs.writeFileSync(soliumignore, defaultConfig[consts.SOLIUMIGNORE]);
}

function help() {
    return Table([[`Solium v${Solium.version}:`, "solium [option]", "|", "--init", "--help"]]);
}


// eslint-disable-next-line no-unused-vars
module.exports = (Embark, command, options) => {

    const tokens = tokenize(command);

    return {
        match: () => tokens[0] === "solium",
        process: (callback) => {
            if (tokens.length === 1) {
                return callback(null, help());
            }

            /* eslint-disable indent */
            switch(tokens[1]) {
                case "--init":
                case "-i":
                try {
                    createConfigFiles();
                } catch (e) {
                    return callback(null, `Error while creating Solium config files in root dir: ${e.message}`);
                }

                return callback(null, `Created ${consts.SOLIUMRC_JSON} & ${consts.SOLIUMIGNORE} in root directory.`);

                case "--help":
                case "-h":
                    return callback(null, help());

                default:
                    return callback(null, `Invalid option "${tokens[1]}".\n${help()}`);
          }
          /* eslint-enable indent */
        }
    };

};