ember-cli/lib/commands/destroy.js

Command line tool for developing ambitious ember.js apps

'use strict';

const path = require('path');
const Command = require('../models/command');
const Promise = require('rsvp').Promise;
const mergeBlueprintOptions = require('../utilities/merge-blueprint-options');
const merge = require('ember-cli-lodash-subset').merge;
const SilentError = require('silent-error');

module.exports = Command.extend({
  name: 'destroy',
  description: 'Destroys code generated by `generate` command.',
  aliases: ['d'],
  works: 'insideProject',

  availableOptions: [
    { name: 'dry-run', type: Boolean, default: false, aliases: ['d'] },
    { name: 'verbose', type: Boolean, default: false, aliases: ['v'] },
    { name: 'pod', type: Boolean, default: false, aliases: ['p', 'pods'] },
    { name: 'classic', type: Boolean, default: false, aliases: ['c'] },
    { name: 'dummy', type: Boolean, default: false, aliases: ['dum', 'id'] },
    { name: 'in-repo-addon', type: String, default: null, aliases: ['in-repo', 'ir'] },
    {
      name: 'in',
      type: String,
      default: null,
      description:
        'Runs a blueprint against an in repo addon. ' + 'A path is expected, relative to the root of the project.',
    },
  ],

  anonymousOptions: ['<blueprint>'],

  beforeRun: mergeBlueprintOptions,

  run(commandOptions, rawArgs) {
    let blueprintName = rawArgs[0];
    let entityName = rawArgs[1];

    if (!blueprintName) {
      return Promise.reject(
        new SilentError(
          'The `ember destroy` command requires a ' +
            'blueprint name to be specified. ' +
            'For more details, use `ember help`.'
        )
      );
    }

    if (!entityName) {
      return Promise.reject(
        new SilentError(
          'The `ember destroy` command requires an ' +
            'entity name to be specified. ' +
            'For more details, use `ember help`.'
        )
      );
    }

    let taskArgs = {
      args: rawArgs,
    };

    if (this.settings && this.settings.usePods && !commandOptions.classic) {
      commandOptions.pod = !commandOptions.pod;
    }

    if (commandOptions.in) {
      let relativePath = path.relative(this.project.root, commandOptions.in);
      commandOptions.in = path.resolve(relativePath);
    }

    let taskOptions = merge(taskArgs, commandOptions || {});

    if (this.project.initializeAddons) {
      this.project.initializeAddons();
    }

    return this.runTask('DestroyFromBlueprint', taskOptions);
  },

  printDetailedHelp() {
    let ui = this.ui;

    ui.writeLine('');
    ui.writeLine('  Run `ember help generate` to view a list of available blueprints.');
  },
});