Function getWordAtPosition

src/utils/string.ts:29–37

(str: string, position: number)

 * @return The word at the position and its boundaries.
 */
export function getWordAtPosition(str: string, position: number) {
  const start = WordStartRegExp.exec(str.substr(0, position))
  const wordStart = _.isNil(start) ? position : start.index

  const end = WordEndRegExp.exec(str.substr(position))
  const wordEnd = position + (_.isNil(end) ? 0 : end[0].length)

  return { word: str.substring(wordStart, wordEnd), start: wordStart, end: wordEnd }
}

/**
 * Checks if a string starts with a whitespace character.