amber/template.js

/*
 * grunt-init-amber
 * https://amber-lang.net/
 *
 * Copyright (c) 2013 Manfred Kroehnert, contributors
 * Licensed under the MIT license.
 */

'use strict';

// Basic template description.
exports.description = 'Create a web application based on Amber Smalltalk.';

// Template-specific notes to be displayed before question prompts.
exports.notes = ' _Project title_ should be a human-readable title.';

// Template-specific notes to be displayed after question prompts.
exports.after = 'You need to have these installed globally via npm:' +
  ' _amber-cli_; _grunt-cli_; _bower_.' +
  ' Now, install project dependencies with _bower install_,' +
  ' tool dependencies with _npm install_ and optionally, recompile with _grunt_.' +
  ' If you are running _amber init_, these three tasks are going to be performed for you now.' +
  ' Afterwards, start the development server with _amber serve_.' +
  ' Your application is then accessible via _http://localhost:4000/_';

// Any existing file or directory matching this wildcard will cause a warning.
exports.warnOn = '*';

// The actual init template.
exports.template = function(grunt, init, done) {
  var remembered = {};
  function rememberViaValidator(name) {
    var oldValidator = init.prompts[name].validator || function (line) {
      return true;
    };

    var newValidator;
    switch (oldValidator.length) { //apply would not work, .length is used to call it differently
      case 1:
        newValidator = function (line) {
          remembered[name] = line;
          return oldValidator.call(this, line);
        };
        break;
      case 2:
        newValidator = function (line, next) {
          remembered[name] = line;
          return oldValidator.call(this, line, next);
        };
        break;
      default:
        throw new Error("Panic: " + oldValidator.length + "-argument validator for " + name + ".");
    }

    init.prompts[name].validator = newValidator;
  }

  function capitalize(string) {
    return string[0].toUpperCase() + string.slice(1).toLowerCase();
  }

  init.prompts.name.message= 'Main class and package of Amber application.\nProject name is derived by lowercasing this.';
  init.prompts.name.validator= function (line) { return /^[A-Z][A-Za-z0-9]*$/.test(line) };
  init.prompts.name.warning= 'Must be a valid class name: only alphanumeric and starting with an uppercase letter!';
  rememberViaValidator('name');
  rememberViaValidator('title');

  init.process({type: 'amber'}, [
    // Prompt for these values.
    init.prompt('title', 'Application or Library Title'),
    init.prompt('name', function (value, data, done) {
      var words = remembered.title.split(/\W/);
      words = words.filter(function (x) {
        return x && x !== "none";
      }).map(capitalize);
      value = words.length ? words.join('') : 'MysteriousApp';
      done(null, value);
    }),
    init.prompt('description', 'The Application or The Library doing The Thing.'),
    init.prompt('author_name'),
    init.prompt('author_email'),
    {
      name: 'namespace',
      message: 'Namespace of the new Amber package.',
      altDefault: function(value, data, done) {
        value = 'amber-' + remembered.name.toLowerCase();
        done(null, value);
      },
      validator: /^[a-z][a-z0-9/\-]*$/,
      warning: 'Only lowercase letters, numbers, and - are allowed in namespaces!'
    },
    init.prompt('version'),
    init.prompt('repository'),
    init.prompt('homepage'),
    init.prompt('bugs'),
    init.prompt('author_url'),
    init.prompt('licenses', 'MIT')
  ], function(err, props) {
    // Files to copy (and process).
    var files = init.filesToCopy(props);

    // Add properly-named license files.
    init.addLicenseFiles(files, props.licenses);

    // Actually copy (and process) files.
    init.copyAndProcess(files, props, {noProcess: 'libs/**'});

    // Clean up non-npm props.
    delete props.namespace;

    props.name = props.name.toLowerCase();

    // A few additional properties.
    props.keywords = ['Amber', 'Smalltalk'];
    props.devDependencies = {
      "grunt": "~0.4.0",
      "grunt-execute": "~0.2.1",
      "grunt-contrib-clean": "~0.5.0",
      "amber-dev": "~0.1.5"
    };
    props.node_version = '>= 0.8.0';
    props.scripts = {
      "test": "grunt test"
    };

    // Generate package.json file, used by npm and grunt.
    init.writePackageJSON('package.json', props);

    // generate bower.json file
    grunt.file.write('bower.json', JSON.stringify({
        "name": props.name,
        "description": props.description,
        "version": props.version,
        "ignore": [
          "**/.*",
          "node_modules",
          "bower_components",
          "/test_runner.js",
          "test",
          "tests"
        ],
        "authors": [
            {
                "name": props.author_name,
                "email": props.author_email
            }
        ],
        "homepage": props.homepage,
        "main": props.main,
        "keywords": props.keywords,
        "license": props.licenses,
        "private": false,
        "dependencies": {
            "amber": "~0.13.0"
        },
        "devDependencies": {
            "helios": "~0.1.1"
        }
    }, null, 4));


    // All done!
    done();
  });

};