jmms/generators/remove/index.js

Jmms cli tools, Jmms is a java meta-micro-service framework

const log   = require('../log');
const fs    = require('fs');
const jszip = require("jszip/lib");
const mvn = require('maven').create();
const shelljs  = require('shelljs');
const tmp = require('tmp');
const cheerio = require('cheerio')
const BaseGenerator = require('../base');

let removeDependencyFromPomFile = (pomFile, groupId, artifactId, version) => {
    return new Promise((resolve, reject) => {
        fs.exists(pomFile, (exists) => {
            if (exists) {
                fs.readFile(pomFile, "utf-8", (err, xml) => {
                    if (err) {
                        reject(err);
                    } else {
                        let $ = cheerio.load(xml, { xmlMode: true });
                        let project = $("project");
                        if (project.length == 1) {
                            let dependencies = project.find("> dependencies");
                            if (dependencies.length > 0) {
                                let dependency = null;
                                dependencies.find("> dependency").each((index, it) => {
                                    if ($(it).find("> groupId").text() == groupId && $(it).find("> artifactId").text() == artifactId) {
                                        dependency = $(it);
                                    }
                                });
                                if (dependency) {
                                    dependency.remove();
                                }
                            }

                            let xmlString = project.toString();
                            if (xmlString) {
                                fs.writeFile(pomFile, xmlString, (err) => {
                                    if (err) {
                                        reject(err);
                                    } else {
                                        resolve();
                                    }
                                });
                            }
                        }
                    }
                });
            } else {
                resolve();
            }
        });
    });
}

module.exports = class extends BaseGenerator {
    constructor(args, opts) {
        super(args, opts);
    }

    prompting () {
        let packageName = this.args[0];
        let npmRemoveAndExit = () => {
            let cli = "npm remove " + packageName;
            if (this.options.save) {
                cli = cli.concat(" --save");
            }
            if (shelljs.exec(cli).code !== 0) {
                process.exit(1);
            } else {
                process.exit(0);
            }
        }

        let pomFile = "./node_modules/" + packageName + "/pom.xml";
        if (fs.existsSync(pomFile)) {
            let groupId = null;
            let artifactId = null;
            let version = null;
            fs.readFile(pomFile, "utf-8", (err, xml) => {
                if (err) {
                    log.error(err);
                } else {
                    let $ = cheerio.load(xml);
                    groupId = $("project > groupId").text();
                    artifactId = $("project > artifactId").text();
                    version = $("project > version").text();
                    if (groupId && artifactId && version) {
                        removeDependencyFromPomFile("./pom.xml", groupId, artifactId, version).catch(err => {
                            log.error("Failed remove dependency from pom.xml file.");
                            npmRemoveAndExit();
                        }).then(() => {
                            npmRemoveAndExit();
                        });
                    }
                }
            });
        } else {
            npmRemoveAndExit(packageName);
        }
    }
}