Function commandHasArgAbbreviation

src/utils/powershell/parser.ts:1663–1684

(
  command: ParsedCommandElement,
  fullParam: string,
  minPrefix: string,
)

 * For example, minPrefix '-en' for fullParam '-encodedcommand' matches '-en', '-enc', '-enco', etc.
 */
export function commandHasArgAbbreviation(
  command: ParsedCommandElement,
  fullParam: string,
  minPrefix: string,
): boolean {
  const lowerFull = fullParam.toLowerCase()
  const lowerMin = minPrefix.toLowerCase()
  return command.args.some(a => {
    // Strip colon-bound value (e.g., -en:base64value -> -en)
    const colonIndex = a.indexOf(':', 1)
    const paramPart = colonIndex > 0 ? a.slice(0, colonIndex) : a
    // Strip backtick escapes — PowerShell resolves `-Member`Name` to
    // `-MemberName` but Extent.Text preserves the backtick, causing
    // prefix-comparison misses on the raw text.
    const lower = paramPart.replace(/`/g, '').toLowerCase()
    return (
      lower.startsWith(lowerMin) &&
      lowerFull.startsWith(lower) &&
      lower.length <= lowerFull.length
    )
  })
}

/**
 * Split a parsed command into its pipeline segments for per-segment permission checking.