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@qingwu-ui/text-layout

v0.9.0-beta

Published

Pretext-inspired text layout engine — two-phase prepare/layout, Canvas measurement, Unicode-aware line breaking, virtual scroll heights, multi-line truncation, chip flow, and table column sizing

Readme

@qingwu-ui/text-layout

青梧UI文本排版引擎 —— 框架无关,纯 TypeScript + Canvas 测量,零依赖。受 Pretext 启发的两阶段布局(prepare / layout)。

  • Canvas 测量:Unicode 感知的断行(CJK / 拉丁混合),不依赖浏览器原生 API 的差异
  • 虚拟滚动高度computeVirtualHeights / findVisibleRange 支撑长文按需渲染
  • 多行截断truncateToHeight / truncateToLines 精确到像素级
  • Chip 流式布局layoutChips 驱动标签流(展开 / 收起 + 高度计算,@qingwu-ui/tag-input 即基于它)
  • 表格列宽computeColumnWidths / fitRowToColumns 自适应列宽计算

安装

npm install @qingwu-ui/text-layout

使用

import { layout, measure, prepare } from "@qingwu-ui/text-layout";

const plan = prepare(text, { width: 320, font: "16px sans-serif" });
const rows = layout(plan);

完整 API 见 青梧UI 根 README