ember-cli/ember-cli

'use strict';

const fs = require('fs-extra');
const path = require('path');
const stringUtil = require('ember-cli-string-utils');
const stringifyAndNormalize = require('../../lib/utilities/stringify-and-normalize');

module.exports = {
  description: 'The blueprint for addon in repo ember-cli addons.',

  beforeInstall(options) {
    let { root } = this._processTokens(options.entity.name);

    fs.mkdirsSync(root);
  },

  _processTokens(name) {
    let root = 'lib';

    if (name.match(/[./]/)) {
      root = path.dirname(name);
      name = path.basename(name);
    }

    name = stringUtil.dasherize(name);

    return { root, name };
  },

  locals(options) {
    let { name } = this._processTokens(options.entity.name);

    return {
      dasherizedModuleName: name,
    };
  },

  fileMapTokens() {
    return {
      __root__: (options) => this._processTokens(options.dasherizedModuleName).root,
      __name__: (options) => this._processTokens(options.dasherizedModuleName).name,
    };
  },

  afterInstall(options) {
    this._generatePackageJson(options, true);
  },

  afterUninstall(options) {
    this._generatePackageJson(options, false);
  },

  _generatePackageJson(options, isInstall) {
    let packagePath = path.join(this.project.root, 'package.json');
    let contents = this._readJsonSync(packagePath);
    let { root, name } = this._processTokens(options.entity.name);
    let newPath = [root, name].join('/');
    let paths;

    contents['ember-addon'] = contents['ember-addon'] || {};
    paths = contents['ember-addon']['paths'] = contents['ember-addon']['paths'] || [];

    if (isInstall) {
      if (paths.indexOf(newPath) === -1) {
        paths.push(newPath);
        contents['ember-addon']['paths'] = paths.sort();
      }
    } else {
      let newPathIndex = paths.indexOf(newPath);
      if (newPathIndex > -1) {
        paths.splice(newPathIndex, 1);
      }
      if (paths.length === 0) {
        delete contents['ember-addon']['paths'];
      }
      if (Object.keys(contents['ember-addon']).length === 0) {
        delete contents['ember-addon'];
      }
    }

    this._writeFileSync(packagePath, stringifyAndNormalize(contents));
  },

  _readJsonSync(path) {
    return fs.readJsonSync(path);
  },

  _writeFileSync(path, content) {
    fs.writeFileSync(path, content);
  },
};