ember-template-lint/lib/config/stylistic.js

Linter for Ember or Handlebars templates.

export default {
  rules: {
    'block-indentation': 'error',
    'eol-last': ['error', 'editorconfig'],
    'linebreak-style': 'error',
    'modifier-name-case': 'error',
    'no-multiple-empty-lines': 'error',
    'no-trailing-spaces': 'error',
    'no-unnecessary-concat': 'error',
    quotes: ['error', 'double'],
    'self-closing-void-elements': 'error',
  },
};