Function isEscaped

src/utils/settings/permissionValidation.ts:15–23

* Checks if a character at a given index is escaped (preceded by odd number of backslashes).

(str: string, index: number)

 * Checks if a character at a given index is escaped (preceded by odd number of backslashes).
 */
function isEscaped(str: string, index: number): boolean {
  let backslashCount = 0
  let j = index - 1
  while (j >= 0 && str[j] === '\\') {
    backslashCount++
    j--
  }
  return backslashCount % 2 !== 0
}

/**
 * Counts unescaped occurrences of a character in a string.