create.js

/*******************************
     Create Component Repos
*******************************/

/*
 This will create individual component repositories for each SUI component

  * copy component files from release
  * create commonjs files as index.js for NPM release
  * create release notes that filter only items related to component
  * custom package.json file from template
  * create bower.json from template
  * create README from template
  * create meteor.js file
*/

let
  gulp               = require('gulp'),
  {series, parallel} = gulp,

  // node dependencies
  console         = require('better-console'),
  del             = require('del'),
  fs              = require('fs'),
  path            = require('path'),

  // admin dependencies
  concatFileNames = require('gulp-concat-filenames'),
  debug           = require('gulp-debug'),
  flatten         = require('gulp-flatten'),
  git             = require('gulp-git'),
  jsonEditor      = require('gulp-json-editor'),
  plumber         = require('gulp-plumber'),
  rename          = require('gulp-rename'),
  replace         = require('gulp-replace'),
  tap             = require('gulp-tap'),

  // config
  config          = require('../../config/user'),
  release         = require('../../config/admin/release'),
  project         = require('../../config/project/release'),

  // shorthand
  version         = project.version,
  output          = config.paths.output

;


let
  stream,
  index,
  tasks = []
;

for(index in release.components) {

  let
    component = release.components[index]
  ;

  // streams... designed to save time and make coding fun...
  (function(component) {

    let
      outputDirectory      = path.join(release.outputRoot, component),
      isJavascript         = fs.existsSync(output.compressed + component + '.js'),
      isCSS                = fs.existsSync(output.compressed + component + '.css'),
      capitalizedComponent = component.charAt(0).toUpperCase() + component.slice(1),
      packageName          = release.packageRoot + component,
      repoName             = release.componentRepoRoot + capitalizedComponent,
      gitURL               = 'https://github.com/' + release.org + '/' + repoName + '.git',
      repoURL              = 'https://github.com/' + release.org + '/' + repoName + '/',
      concatSettings = {
        newline : '',
        root    : outputDirectory,
        prepend : "    '",
        append  : "',"
      },
      regExp               = {
        match            : {
          // templated values
          name      : '{component}',
          titleName : '{Component}',
          version   : '{version}',
          files     : '{files}',
          // release notes
          spacedVersions    : /(###.*\n)\n+(?=###)/gm,
          spacedLists       : /(^- .*\n)\n+(?=^-)/gm,
          trim              : /^\s+|\s+$/g,
          unrelatedNotes    : new RegExp('^((?!(^.*(' + component + ').*$|###.*)).)*$', 'gmi'),
          whitespace        : /\n\s*\n\s*\n/gm,
          // npm
          componentExport   : /(.*)\$\.fn\.\w+\s*=\s*function\(([^\)]*)\)\s*{/g,
          componentReference: '$.fn.' + component,
          settingsExport    : /\$\.fn\.\w+\.settings\s*=/g,
          settingsReference : /\$\.fn\.\w+\.settings/g,
          trailingComma     : /,(?=[^,]*$)/,
          jQuery            : /jQuery/g,
        },
        replace : {
          // readme
          name              : component,
          titleName         : capitalizedComponent,
          // release notes
          spacedVersions    : '',
          spacedLists       : '$1',
          trim              : '',
          unrelatedNotes    : '',
          whitespace        : '\n\n',
          // npm
          componentExport   :  'var _module = module;\n$1module.exports = function($2) {',
          componentReference:  '_module.exports',
          settingsExport    :  'module.exports.settings =',
          settingsReference :  '_module.exports.settings',
          jQuery            :  'require("jquery")'
        }
      },
      task = {
        all      : component + ' creating',
        repo     : component + ' create repo',
        bower    : component + ' create bower.json',
        readme   : component + ' create README',
        npm      : component + ' create NPM Module',
        notes    : component + ' create release notes',
        composer : component + ' create composer.json',
        package  : component + ' create package.json',
        meteor   : component + ' create meteor package.js',
      },
      // paths to includable assets
      manifest = {
        assets    : outputDirectory + '/assets/**/' + component + '?(s).*',
        component : outputDirectory + '/' + component + '+(.js|.css)'
      }
    ;

    // copy dist files into output folder adjusting asset paths
    let repoTask = function() {
      console.info(component);
      console.info('---------------------');
      console.info('Copying dist files to component');
      return gulp.src(release.source + component + '.*')
        .pipe(plumber())
        .pipe(flatten())
        .pipe(replace(release.paths.source, release.paths.output))
        .pipe(gulp.dest(outputDirectory))
      ;
    };

    // create npm module
    let npmTask = function() {
      console.info('Creating index.js for npm');
      return gulp.src(release.source + component + '!(*.min|*.map).js')
        .pipe(plumber())
        .pipe(flatten())
        .pipe(replace(regExp.match.componentExport, regExp.replace.componentExport))
        .pipe(replace(regExp.match.componentReference, regExp.replace.componentReference))
        .pipe(replace(regExp.match.settingsExport, regExp.replace.settingsExport))
        .pipe(replace(regExp.match.settingsReference, regExp.replace.settingsReference))
        .pipe(replace(regExp.match.jQuery, regExp.replace.jQuery))
        .pipe(rename('index.js'))
        .pipe(gulp.dest(outputDirectory))
      ;
    };

    // create readme
    let readmeTask = function() {
      console.info('Creating readme');
      return gulp.src(release.templates.readme)
        .pipe(plumber())
        .pipe(flatten())
        .pipe(replace(regExp.match.name, regExp.replace.name))
        .pipe(replace(regExp.match.titleName, regExp.replace.titleName))
        .pipe(gulp.dest(outputDirectory))
      ;
    };

    // extend bower.json
    let bowerTask = function() {
      console.info('Extending bower.json');
      return gulp.src(release.templates.bower)
        .pipe(plumber())
        .pipe(flatten())
        .pipe(jsonEditor(function(bower) {
          bower.name = packageName;
          bower.description = capitalizedComponent + ' - Semantic UI';
          if(isJavascript) {
            if(isCSS) {
              bower.main = [
                component + '.js',
                component + '.css'
              ];
            }
            else {
              bower.main = [
                component + '.js'
              ];
            }
            bower.dependencies = {
              jquery: '>=1.8'
            };
          }
          else {
            bower.main = [
              component + '.css'
            ];
          }
          return bower;
        }))
        .pipe(gulp.dest(outputDirectory))
      ;
    };

    // extend package.json
    let packageTask = function() {
      console.info('Extending package.json');
      return gulp.src(release.templates.package)
        .pipe(plumber())
        .pipe(flatten())
        .pipe(jsonEditor(function(npm) {
          if(isJavascript) {
            npm.dependencies = {
              jquery: 'x.x.x'
            };
            npm.main = 'index.js';
          }
          npm.name = packageName;
          if(version) {
            npm.version = version;
          }
          npm.title       = 'Semantic UI - ' + capitalizedComponent;
          npm.description = 'Single component release of ' + component;
          npm.repository  = {
            type : 'git',
            url  : gitURL
          };
          return npm;
        }))
        .pipe(gulp.dest(outputDirectory))
      ;
    };

    // extend composer.json
    let composeTask = function() {
      console.info('Extending composer.json');
      return gulp.src(release.templates.composer)
        .pipe(plumber())
        .pipe(flatten())
        .pipe(jsonEditor(function(composer) {
          if(isJavascript) {
            composer.dependencies = {
              jquery: 'x.x.x'
            };
            composer.main = component + '.js';
          }
          composer.name = 'semantic/' + component;
          if(version) {
            composer.version = version;
          }
          composer.description = 'Single component release of ' + component;
          return composer;
        }))
        .pipe(gulp.dest(outputDirectory))
      ;
    };

    // create release notes
    let releateNotesTask = function() {
      return gulp.src(release.templates.notes)
        .pipe(plumber())
        .pipe(flatten())
        // Remove release notes for lines not mentioning component
        .pipe(replace(regExp.match.unrelatedNotes, regExp.replace.unrelatedNotes))
        .pipe(replace(regExp.match.whitespace, regExp.replace.whitespace))
        .pipe(replace(regExp.match.spacedVersions, regExp.replace.spacedVersions))
        .pipe(replace(regExp.match.spacedLists, regExp.replace.spacedLists))
        .pipe(replace(regExp.match.trim, regExp.replace.trim))
        .pipe(gulp.dest(outputDirectory))
      ;
    };

    // Creates meteor package.js
    let meteorTask = function() {
      console.info('Handling meteor release');
      let
        filenames = ''
      ;
      return gulp.src(manifest.component)
        .pipe(concatFileNames('empty.txt', concatSettings))
        .pipe(tap(function(file) {
          filenames += file.contents;
        }))
        .on('end', function() {
          gulp.src(manifest.assets)
            .pipe(concatFileNames('empty.txt', concatSettings))
            .pipe(tap(function(file) {
              filenames += file.contents;
            }))
            .on('end', function() {
              // remove trailing slash
              filenames = filenames.replace(regExp.match.trailingComma, '').trim();
              gulp.src(release.templates.meteor.component)
                .pipe(plumber())
                .pipe(flatten())
                .pipe(replace(regExp.match.name, regExp.replace.name))
                .pipe(replace(regExp.match.titleName, regExp.replace.titleName))
                .pipe(replace(regExp.match.version, version))
                .pipe(replace(regExp.match.files, filenames))
                .pipe(rename(release.files.meteor))
                .pipe(gulp.dest(outputDirectory))
              ;
            })
          ;
        })
      ;
    };

    tasks.push(repoTask);
    tasks.push(npmTask);
    tasks.push(readmeTask);
    tasks.push(bowerTask);
    tasks.push(packageTask);
    tasks.push(composeTask);
    tasks.push(releateNotesTask);
    tasks.push(meteorTask);

  })(component);
}

module.exports = series(tasks);