jscs-ember-suave/lib/rules/require-object-destructuring.js

ember-suave implemented as a JSCS preset

var assert = require('assert');

module.exports = function() {};

module.exports.prototype = {
  configure: function(option) {
    var isTrue = option === true;

    assert(
      isTrue || (typeof option === 'object' && Array.isArray(option.allExcept)),
      this.getOptionName() + ' requires the value `true` ' +
        'or an object with an `allExcept` array property'
    );

    this._propertyExceptions = !isTrue && option.allExcept || [];
  },

  getOptionName: function() {
    return 'requireObjectDestructuring';
  },

  check: function(file, errors) {
    var propertyExceptions = this._propertyExceptions;

    file.iterateNodesByType('VariableDeclaration', function(node) {

      node.declarations.forEach(function(declaration) {
        var declarationId = declaration.id || {};
        var declarationInit = declaration.init || {};

        if (declarationId.type !== 'Identifier' || declarationInit.type !== 'MemberExpression') {
          return;
        }

        var propertyName = declarationInit.property && declarationInit.property.name;

        if (declarationId.name === propertyName &&
            propertyExceptions.indexOf(propertyName) < 0) {

          errors.add('Property assignments should use destructuring', node.loc.start);
        }
      });
    });
  }
};