Method prevWord

src/utils/Cursor.ts:595–626

()

  }

  prevWord(): Cursor {
    if (this.isAtStart()) {
      return this
    }

    // Use Intl.Segmenter for proper word boundary detection (including CJK)
    const wordBoundaries = this.measuredText.getWordBoundaries()

    // Find the previous word start boundary before current position
    // We need to iterate in reverse to find the previous word
    let prevWordStart: number | null = null

    for (const boundary of wordBoundaries) {
      if (!boundary.isWordLike) continue

      // If we're at or after the start of this word, but this word starts before us
      if (boundary.start < this.offset) {
        // If we're inside this word (not at the start), go to its start
        if (this.offset > boundary.start && this.offset <= boundary.end) {
          return new Cursor(this.measuredText, boundary.start)
        }
        // Otherwise, remember this as a candidate for previous word
        prevWordStart = boundary.start
      }
    }

    if (prevWordStart !== null) {
      return new Cursor(this.measuredText, prevWordStart)
    }

    return new Cursor(this.measuredText, 0)
  }

  // Vim-specific word methods
  // In Vim, a "word" is either: