Files
vue-tui/packages/runtime
Yunfei He 6f2877965c fix(runtime): nested <Text> inherits ancestor boolean styles (Ink parity) (#84)
A nested <Text> inside a styled <Text> now inherits the ancestor's bold/italic/
underline/strikethrough/dim -- previously those closed at the nested boundary.
Rewrites inline-text composition from merge-down + per-leaf applyChalk to Ink's
wrap-the-concatenation model (squash-text-nodes.ts + render-node-to-output.ts:136):
each Text's own style wraps the concatenation of its already-styled children, so
<Text bold>A<Text green>B</Text></Text> = chalk.bold("A" + chalk.green("B")) --
bold stays open across the green child.

A bare text-leaf now contributes its RAW value (Ink's #text carries no transform);
all styling incl. the effective bg (ownBg ?? inheritedBg) is applied once by the
enclosing Text's wrap. This also makes the nested-inline backgroundColor="" case
match Ink, and is more Ink-faithful for bare text under a <Transform> (no Box bg on
its glyphs -- Ink's Transform doesn't consume backgroundContext), locked by a test.

G52 comment-anchor index handling preserved. Adds 11 exact-byte tests.

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-05-31 06:45:58 +08:00
..

@vue-tui/runtime

Early stage — under active development. Bug reports welcome, but not recommended for production use yet.

Vue 3 terminal renderer with Yoga flexbox layout — build rich TUI apps with the same component model you use on the web.

npm version npm downloads

Why

  • Vue SFC & JSX — <template>, TSX, or render functions — your choice
  • Yoga flexbox — the same layout engine behind React Native, not a CSS-subset hack
  • Built-in input system — keyboard handling, focus management, Tab navigation
  • Terminal-native — renders directly to stdout, purpose-built for CLI tools and AI agent interfaces

@vue-tui/runtime is a terminal platform renderer parallel to @vue/runtime-dom, comparable to React Ink but adapted for Vue's reactivity model.

Install

npm install @vue-tui/runtime vue

Quick Start

// src/main.ts
import { createApp } from "@vue-tui/runtime";
import App from "./App.vue";

createApp(App).mount();
<!-- src/App.vue -->
<script setup lang="ts">
import { shallowRef } from "vue";
import { Box, Text, useInput } from "@vue-tui/runtime";

const count = shallowRef(0);

useInput((input) => {
  if (input === "+") count.value++;
  if (input === "-") count.value--;
});
</script>

<template>
  <Box>
    <Text>Count: </Text>
    <Text bold color="green">{{ count }}</Text>
    <Text dimColor> (+/- to change)</Text>
  </Box>
</template>

Components

Component Description
<Box> Flexbox container — direction, wrap, align, justify, gap, padding, margin, borders, background
<Text> Styled text — color, bold, italic, underline, strikethrough, dimColor, wrap/truncate modes
<Spacer> Expands to fill available space (flex-grow: 1)
<Newline> Inserts line breaks (configurable count)
<Static> Renders a list of items once, above the redrawn region
<Transform> Applies a string transform function to each rendered line

Composables

Composable Description
useInput(handler, opts?) Keyboard input — (input, key) with modifier and arrow key detection
useFocus(opts?) Component-level focus — returns { isFocused, focus }
useFocusManager() App-level focus — focusNext(), focusPrevious(), focus(id)
useApp() App lifecycle — { exit(error?), waitUntilRenderFlush() }
useTerminalSize() Reactive terminal dimensions — { columns, rows }
useAnimation(opts?) Frame-based animation loop — returns { frame, time, delta, reset }
useBoxMetrics(ref) Reactive layout metrics — { width, height, left, top, hasMeasured }
measureElement(node) Imperative read of computed { width, height } from a yoga node
useCursor() Control terminal cursor visibility
usePaste(handler, opts?) Handle clipboard paste events
useStdin() Access stdin stream and raw mode control
useStdout() Write directly to stdout
useStderr() Write directly to stderr

App Lifecycle

import { createApp } from "@vue-tui/runtime";

// Fire and forget (most common):
createApp(App).mount();

// Wait for the app to exit:
const app = createApp(App);
app.mount();
await app.waitUntilExit();

// Custom streams (for testing):
createApp(App).mount({ stdout, stdin, stderr });

License

MIT