ember-cli-yadda-opinionated/addon-test-support/-private/regex.js

A radical take on Cucumber to solve your test maintenance woes.

export const REGEX_ITEM_MATCHING = /^(?:(a|an|the) )?(?:(\d+)(?:st|nd|rd|th) |(first|second|third|fourth|fifth|sixth|seventh|eighth|ninth|tenth) )?([\w-+]+?)(?:\((.+?)\))?$/i;
export const STR_SEPARATOR = ' (?:of|on|in|inside|under|from) ';
export const REGEX_SEPARATOR = new RegExp(STR_SEPARATOR);
export const REGEX_SELECTOR_WITH_EQ = /(.+?(?::eq\(\d+\)))/;
export const REGEX_SELECTOR_MAYBE_WITH_EQ = /(.+?)(?::eq\((\d+)\)$|$)/;
export const STR_ITEM_NON_MATCHING = `(?:(?:a|an|the) )?(?:\\d+(?:st|nd|rd|th) |(?:first|second|third|fourth|fifth|sixth|seventh|eighth|ninth|tenth) )?[\\w-+]+(?:\\(.+?\\))?`;

export function generateLabelRegexString(depth = 5) {
  let result = STR_ITEM_NON_MATCHING;

  Array(depth - 1).fill(null).forEach(() => { // _.times
    result = `(?:${result}${STR_SEPARATOR})?${result}`;
  });

  return `(${result})`;
}

export const STR_LABEL = generateLabelRegexString();
export const REGEX_LABEL = new RegExp(STR_LABEL);
export const REGEX_LABEL_CONSTRAINED = new RegExp(`^${STR_LABEL}$`);
export const REGEX_COMMA_AND_SEPARATOR = /\s*,\s*|\s+and\s+/g;

export const STR_STRING_WITH_ESCAPE = '"((?:[^"\\\\]|\\\\.)*)"';
export const REGEX_STRING_WITH_ESCAPE = new RegExp(STR_STRING_WITH_ESCAPE);