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ascii-table-renderer

Render structured data as aligned ASCII tables (column width rules, truncate/wrap, border styles, compact/readable variants) for terminal/log/email.

by full-stack-skillsRepository →Source →

When to use this skill

CRITICAL TRIGGER RULE

  • Use this skill ONLY when the user explicitly mentions the exact skill name: ascii-table-renderer.

Trigger phrases include:

  • "ascii-table-renderer"
  • "use ascii-table-renderer"
  • "用 ascii-table-renderer 把列表打印成表格"
  • "使用 ascii-table-renderer 生成 ASCII 表格(对齐/列宽)"

Boundary

  • Do not fetch data (DB/API). Only render and format output.
  • Default borders are ASCII-only: + - |.
  • Out of scope: merged cells, multi-row headers, complex spanning layouts.

How to use this skill

Inputs

  • headers (required)
  • rows (required)
  • maxWidth (default 80)
  • maxColWidth (default 20)
  • borderStyle (light | minimal, default light)
  • overflow (ellipsis | wrap, default ellipsis)
  • align (left | right | center, default left)

Outputs (required)

  • tableCompact (log-friendly)
  • tableReadable (interactive-friendly)
  • rules (width/truncation/null/alignment rules)

Steps

  1. Compute per-column widths: min(maxColWidth, max(contentWidth))
  2. Handle overflow:
    • ellipsis: use ... consistently
    • wrap: wrap within column width while keeping row alignment
  3. Output two variants:
    • compact: minimal or fewer separators
    • readable: clearer borders

Script

  • scripts/render_table.py: render tables from JSON stdin (compact/readable)

Examples

  • examples/basic.md

Quality checklist

  1. Columns align consistently; each line does not exceed maxWidth
  2. Null values are rendered as -
  3. Copy/paste safe (no trailing spaces)

Keywords

English: ascii-table-renderer, ascii table, align, columns, rows, truncate, wrap, terminal, log 中文: ascii-table-renderer, ASCII 表格, 对齐, 列宽, 截断, 换行, 终端, 日志, 工单

常见陷阱 (Gotchas)

  1. 版本兼容性:注意框架版本与依赖库的兼容性,不同版本 API 可能有差异
  2. 配置文件格式:配置文件格式错误是最常见的问题,建议使用编辑器的语法检查
  3. 环境变量:确保所有必要的环境变量已正确设置,敏感信息不要硬编码
  4. 依赖冲突:多版本共存时注意依赖冲突,使用 lock 文件锁定版本
  5. 性能陷阱:大数据量场景下注意性能优化,避免 N+1 查询等常见问题

使用流程

Step 1: 环境准备

确保开发环境已安装必要的依赖和工具。

Step 2: 配置初始化

根据项目需求进行基础配置。

Step 3: 核心功能使用

按照示例代码实现核心功能。

Step 4: 测试验证

运行测试确保功能正常。

Step 5: 部署上线

完成开发后进行部署和监控。