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Overview

Manage layout with direction, justify, align and gap.

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Import

import { Flex } from 'nikcli-tui';

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Usage

new Flex({ parent: screen, direction: 'row', gap: 2 });

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Live Preview

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Run Locally

npm run tsx:core-gallery

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Props

  • direction?: ‘row’ | ‘column’ — Layout direction (default row).
  • gap?: number — Spacing between children (cols/rows).
  • justify?: ‘start’ | ‘center’ | ‘end’ | ‘space-between’ | ‘space-around’.
  • align?: ‘start’ | ‘center’ | ‘end’ | ‘stretch’.
  • BaseProps: container layout/theming props.

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Methods

  • setDirection(dir), setGap(n), setJustify(v), setAlign(v).
  • addChild(el), removeChild(el), reflow().

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Installation

npm i nikcli-tui

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Import

import { Flex, Box } from 'nikcli-tui';

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Quick Start

const row = new Flex({ parent: screen, top: 1, left: 2, width: 60, height: 6, direction: 'row', gap: 2, borderStyle: 'line' });
new Box({ parent: row.el, width: 10, height: 3, label: 'A', borderStyle: 'line' });
new Box({ parent: row.el, width: 14, height: 3, label: 'B', borderStyle: 'line' });
row.reflow();

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Production Examples

const col = new Flex({ parent: screen, top: 8, left: 2, width: 60, height: 10, direction: 'column', gap: 1, borderStyle: 'line' });
new Box({ parent: col.el, height: 3, label: 'Header', borderStyle: 'line' });
new Box({ parent: col.el, height: 5, label: 'Body', borderStyle: 'line' });
new Box({ parent: col.el, height: 2, label: 'Footer', borderStyle: 'line' });
col.reflow();

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Testing

const f = new Flex({ parent: screen, direction: 'row', gap: 2 });
f.setGap(4);
f.reflow();

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Best Practices

  • Reflow dopo aver aggiunto/rimosso figli per riallineare il layout.