bower/Gruntfile.js

var tmp = require('tmp');
var childProcess = require('child_process');
var arraydiff = require('arr-diff');
var fs = require('fs');
var wrench = require('wrench');
var inquirer = require('inquirer');
var path = require('path');

module.exports = function(grunt) {
    require('load-grunt-tasks')(grunt);

    grunt.initConfig({
        eslint: {
            files: [
                'Gruntfile.js',
                'bin/*',
                'lib/**/*.js',
                'test/**/*.js',
                '!test/assets/**/*',
                '!test/reports/**/*',
                '!test/sample/**/*',
                '!test/tmp/**/*'
            ]
        },
        simplemocha: {
            options: {
                reporter: 'spec',
                timeout: '15000'
            },
            full: {
                src: ['test/test.js']
            },
            short: {
                options: {
                    reporter: 'dot'
                },
                src: ['test/test.js']
            }
        },
        exec: {
            assets: {
                command: 'node test/packages.js && node test/packages-svn.js'
            },
            'assets-force': {
                command:
                    'node test/packages.js --force && node test/packages-svn.js --force'
            },
            cover: {
                command:
                    'node node_modules/istanbul/lib/cli.js cover --dir ./test/reports node_modules/mocha/bin/_mocha -- --timeout 30000 -R dot test/test.js'
            },
            coveralls: {
                command: 'npm run coveralls < test/reports/lcov.info',
                exitCodes: [0, 1, 2, 3] // Alow for failure for coverage report
            }
        },
        watch: {
            files: ['<%= eslint.files %>'],
            tasks: ['eslint', 'simplemocha:short']
        }
    });

    grunt.registerTask('assets', ['exec:assets-force']);
    grunt.registerTask('test', ['eslint', 'exec:assets', 'simplemocha:full']);
    grunt.registerTask('cover', 'exec:cover');
    grunt.registerTask('travis', [
        'eslint',
        'exec:assets',
        'exec:cover',
        'exec:coveralls'
    ]);
    grunt.registerTask('default', 'test');

    grunt.task.registerTask(
        'publish',
        'Perform final checks and publish Bower',
        function() {
            var npmVersion = JSON.parse(
                childProcess.execSync('npm version --json').toString()
            ).npm.split('.');
            var npmMajor = parseInt(npmVersion[0], 10);
            var npmMinor = parseInt(npmVersion[1], 10);

            var jsonPackage = require('./package');

            if (npmMajor !== 3 || npmMinor < 5) {
                grunt.log.writeln(
                    'You need to use at npm@3.5 to publish bower.'
                );
                grunt.log.writeln(
                    'It is because npm 2.x produces too long paths that Windows does not handle and newer npm drops lib/node_modules'
                );
                grunt.log.writeln('Please upgrade it: npm install -g npm@3');
                process.exit(1);
            }

            if (
                childProcess
                    .execSync('git rev-parse --abbrev-ref HEAD')
                    .toString()
                    .trim() !== 'master'
            ) {
                grunt.log.writeln(
                    'You need to release bower from the "master" branch'
                );

                process.exit(1);
            }

            if (process.env.SKIP_TESTS !== '1') {
                grunt.log.writeln('Reinstalling dependencies...');
                childProcess.execSync('rm -rf node_modules && yarn', {
                    stdio: [0, 1, 2]
                });

                grunt.log.writeln('Running test suite...');
                childProcess.execSync('yarn test', { stdio: [0, 1, 2] });
            }

            var dir = tmp.dirSync().name;

            wrench.copyDirSyncRecursive(__dirname, dir, {
                forceDelete: true,
                include: function(path) {
                    return !path.match(/node_modules|\.git|test/);
                }
            });

            grunt.log.writeln('Installing production dependencies...');
            childProcess.execSync('yarn --production', {
                cwd: dir,
                stdio: [0, 1, 2]
            });

            delete jsonPackage.dependencies;
            delete jsonPackage.devDependencies;
            delete jsonPackage.scripts;

            fs.writeFileSync(
                path.resolve(dir, 'package.json'),
                JSON.stringify(jsonPackage, null, '  ') + '\n'
            );

            grunt.log.writeln('Moving node_modules to lib directory...');

            wrench.copyDirSyncRecursive(
                path.resolve(dir, 'node_modules'),
                path.resolve(dir, 'lib', 'node_modules')
            );
            wrench.rmdirSyncRecursive(path.resolve(dir, 'node_modules'));

            grunt.log.writeln('Testing bower on sample project...');

            childProcess.execSync(
                'cd test/sample && rm -rf bower_components && ' +
                    dir +
                    '/bin/bower install --force',
                { stdio: [0, 1, 2] }
            );

            var expectedPackages = (
                'SHA-1 ace-builds almond angular angular-animate angular-bootstrap angular-charts angular-contenteditable ' +
                'angular-deckgrid angular-fullscreen angular-gravatar angular-hotkeys angular-local-storage angular-marked ' +
                'angular-moment angular-sanitize angular-touch angular-ui-router angular-ui-sortable ' +
                'angulartics asEvented bootstrap coffee-script d3 es6-shim font-awesome howler jquery ' +
                'jquery-ui jquery-waypoints js-beautify lodash lz-string marked moment ng-file-upload peerjs ' +
                'requirejs restangular slimScroll slimScrollHorizontal venturocket-angular-slider'
            ).split(' ');

            var installedPackages = fs.readdirSync(
                './test/sample/bower_components'
            );

            var installedDiff = arraydiff(expectedPackages, installedPackages);

            if (installedDiff.length > 0) {
                grunt.log.writeln(
                    'ERROR. Some packages were not installed by bower: '
                );
                grunt.log.writeln(installedDiff.join(', '));

                process.exit(1);
            }

            grunt.log.writeln('\nBower production bundle installed in:');
            grunt.log.writeln(dir + '\n');

            var questions = [
                {
                    type: 'confirm',
                    name: 'review',
                    message: 'Did you review all the changes with "git diff"?',
                    default: false
                },
                {
                    type: 'confirm',
                    name: 'tests',
                    message:
                        'Are you sure all tests are passing on Travis and Appveyor?',
                    default: false
                },
                {
                    type: 'confirm',
                    name: 'publish',
                    message:
                        'Are you SURE you want to publish ' +
                        jsonPackage.name +
                        '@' +
                        jsonPackage.version +
                        '?',
                    default: false
                }
            ];

            var done = this.async();

            inquirer.prompt(questions, function(answers) {
                if (
                    !answers.review ||
                    !answers.tests ||
                    !answers.publish
                ) {
                    grunt.log.writeln(
                        'Please publish bower after you fix this issue'
                    );

                    process.exit(1);
                }

                grunt.log.writeln(
                    '\nPlease remember to tag this release, and add a release with changelog on Github!'
                );
                grunt.log.writeln(
                    '\nAlso, please remember to test published Bower one more time!'
                );
                grunt.log.writeln(
                    '\nYou can promote this bower release with "npm dist-tag add bower@' + jsonPackage.version + ' latest'
                );
                grunt.log.writeln('\nPublishing Bower...');

                childProcess.execSync('npm publish --tag beta', {
                    cwd: dir,
                    stdio: [0, 1, 2]
                });

                done();
            });
        }
    );
};