Class TreeSitterParsedCommand

src/utils/bash/ParsedCommand.ts:151–238

}

class TreeSitterParsedCommand implements IParsedCommand {
  readonly originalCommand: string
  // Tree-sitter's startIndex/endIndex are UTF-8 byte offsets, but JS
  // String.slice() uses UTF-16 code-unit indices. For ASCII they coincide;
  // for multi-byte code points (e.g. `—` U+2014: 3 UTF-8 bytes, 1 code unit)
  // they diverge and slicing the string directly lands mid-token. Slicing
  // the UTF-8 Buffer with tree-sitter's byte offsets and decoding back to
  // string is correct regardless of code-point width.
  private readonly commandBytes: Buffer
  private readonly pipePositions: number[]
  private readonly redirectionNodes: RedirectionNode[]
  private readonly treeSitterAnalysis: TreeSitterAnalysis

  constructor(
    command: string,
    pipePositions: number[],
    redirectionNodes: RedirectionNode[],
    treeSitterAnalysis: TreeSitterAnalysis,
  ) {
    this.originalCommand = command
    this.commandBytes = Buffer.from(command, 'utf8')
    this.pipePositions = pipePositions
    this.redirectionNodes = redirectionNodes
    this.treeSitterAnalysis = treeSitterAnalysis
  }

  toString(): string {
    return this.originalCommand
  }

  getPipeSegments(): string[] {
    if (this.pipePositions.length === 0) {
      return [this.originalCommand]
    }

    const segments: string[] = []
    let currentStart = 0

    for (const pipePos of this.pipePositions) {
      const segment = this.commandBytes
        .subarray(currentStart, pipePos)
        .toString('utf8')
        .trim()
      if (segment) {
        segments.push(segment)
      }
      currentStart = pipePos + 1
    }

    const lastSegment = this.commandBytes
      .subarray(currentStart)
      .toString('utf8')
      .trim()
    if (lastSegment) {
      segments.push(lastSegment)
    }

    return segments