gherkin-lint/dist/rules/one-space-between-tags.js

A Gherkin linter/validator written in javascript

"use strict";

const _ = require('lodash');

const rule = 'one-space-between-tags';

function run(feature) {
  if (!feature) {
    return;
  }

  let errors = [];
  testTags(feature, errors);
  feature.children.forEach(child => {
    if (child.scenario) {
      testTags(child.scenario, errors);
      child.scenario.examples.forEach(example => {
        testTags(example, errors);
      });
    }
  });
  return errors;
}

function testTags(node, errors) {
  _(node.tags).groupBy('location.line').sortBy('location.column').forEach(tags => {
    _.range(tags.length - 1).map(i => {
      if (tags[i].location.column + tags[i].name.length < tags[i + 1].location.column - 1) {
        errors.push({
          line: tags[i].location.line,
          rule: rule,
          message: 'There is more than one space between the tags ' + tags[i].name + ' and ' + tags[i + 1].name
        });
      }
    });
  });
}

module.exports = {
  run: run,
  name: rule
};