145 lines
4.3 KiB
JavaScript
145 lines
4.3 KiB
JavaScript
'use strict';
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var async = require('async');
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var fs = require('fs');
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var npm = require('npm');
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var path = require('path');
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var spawn = require('child_process').spawn;
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var bitcore = require('bitcore-lib');
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var $ = bitcore.util.preconditions;
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var _ = bitcore.deps._;
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/**
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* Will remove a service from bitcore-node.json
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* @param {String} configFilePath - The absolute path to the configuration file
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* @param {String} service - The name of the module
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* @param {Function} done
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*/
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function removeConfig(configFilePath, service, done) {
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$.checkArgument(path.isAbsolute(configFilePath), 'An absolute path is expected');
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fs.readFile(configFilePath, function(err, data) {
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if (err) {
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return done(err);
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}
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var config = JSON.parse(data);
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$.checkState(
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Array.isArray(config.services),
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'Configuration file is expected to have a services array.'
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);
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// remove the service from the configuration
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for (var i = 0; i < config.services.length; i++) {
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if (config.services[i] === service) {
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config.services.splice(i, 1);
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}
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}
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config.services = _.unique(config.services);
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config.services.sort(function(a, b) {
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return a > b;
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});
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fs.writeFile(configFilePath, JSON.stringify(config, null, 2), done);
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});
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}
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/**
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* Will uninstall a Node.js service and remove from package.json.
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* @param {String} configDir - The absolute configuration directory path
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* @param {String} service - The name of the service
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* @param {Function} done
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*/
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function uninstallService(configDir, service, done) {
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$.checkArgument(path.isAbsolute(configDir), 'An absolute path is expected');
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$.checkArgument(_.isString(service), 'A string is expected for the service argument');
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var child = spawn('npm', ['uninstall', service, '--save'], {cwd: configDir});
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child.stdout.on('data', function(data) {
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process.stdout.write(data);
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});
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child.stderr.on('data', function(data) {
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process.stderr.write(data);
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});
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child.on('close', function(code) {
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if (code !== 0) {
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return done(new Error('There was an error uninstalling service(s): ' + service));
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} else {
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return done();
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}
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});
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}
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/**
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* Will remove a Node.js service if it is installed.
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* @param {String} configDir - The absolute configuration directory path
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* @param {String} service - The name of the service
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* @param {Function} done
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*/
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function removeService(configDir, service, done) {
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$.checkArgument(path.isAbsolute(configDir), 'An absolute path is expected');
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$.checkArgument(_.isString(service), 'A string is expected for the service argument');
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// check if the service is installed
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npm.load(function(err) {
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if (err) {
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return done(err);
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}
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npm.commands.ls([service], true /*silent*/, function(err, data, lite) {
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if (err) {
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return done(err);
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}
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if (lite.dependencies) {
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uninstallService(configDir, service, done);
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} else {
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done();
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}
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});
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});
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}
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/**
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* Will remove the Node.js service and from the bitcore-node configuration.
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* @param {String} options.cwd - The current working directory
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* @param {String} options.dirname - The bitcore-node configuration directory
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* @param {Array} options.services - An array of strings of service names
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* @param {Function} done - A callback function called when finished
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*/
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function remove(options, done) {
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$.checkArgument(_.isObject(options));
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$.checkArgument(_.isFunction(done));
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$.checkArgument(
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_.isString(options.path) && path.isAbsolute(options.path),
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'An absolute path is expected'
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);
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$.checkArgument(Array.isArray(options.services));
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var configPath = options.path;
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var services = options.services;
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var bitcoreConfigPath = path.resolve(configPath, 'bitcore-node.json');
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var packagePath = path.resolve(configPath, 'package.json');
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if (!fs.existsSync(bitcoreConfigPath) || !fs.existsSync(packagePath)) {
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return done(
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new Error('Directory does not have a bitcore-node.json and/or package.json file.')
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);
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}
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async.eachSeries(
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services,
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function(service, next) {
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// if the service is installed remove it
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removeService(configPath, service, function(err) {
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if (err) {
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return next(err);
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}
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// remove service to bitcore-node.json
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removeConfig(bitcoreConfigPath, service, next);
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});
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}, done
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);
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}
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module.exports = remove;
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