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@bluecateng/pelagos

v12.28.2

Published

UI components

Downloads

3,614

Vulnerabilities

Powered byPowered by Snyk
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Links

Git

Maintainers

jcestibarizjcestibarizchinanwuchinanwujwertkinjwertkin

Keywords

react

Readme

@bluecateng/pelagos GitHub license npm version

UI components.

Installation

npm i -S @bluecateng/pelagos

Getting started

Add the shared component styles to your application's entry .less file. Choose one theme setup below; the core and spinner theme must use the same light or dark variant.

Fixed theme

For an application that always uses one theme, import the fixed core and spinner theme files:

@import '@bluecateng/pelagos/less/core';
@import '@bluecateng/pelagos/less/core-dark'; // or core-light
@import '@bluecateng/pelagos/less/inputs';
@import '@bluecateng/pelagos/less/scrollbar';
@import '@bluecateng/pelagos/less/spinner-dark'; // or spinner-light

User-selectable theme

For runtime theme selection, import the theme and spinner bases, then bind their mixins to a root attribute. This is the setup used by the example application.

@import '@bluecateng/pelagos/less/core';
@import '@bluecateng/pelagos/less/themes';
@import '@bluecateng/pelagos/less/inputs';
@import '@bluecateng/pelagos/less/scrollbar';
@import '@bluecateng/pelagos/less/spinner';

[data-theme='light'],
[data-theme='auto'] {
	.theme-light();
}

[data-theme='dark'] {
	.theme-dark();
}

[data-theme='auto'] {
	@media (prefers-color-scheme: dark) {
		.theme-dark();
	}
}

.CssSpinner {
	.css-spinner();

	[data-theme='light'] &,
	[data-theme='auto'] & {
		animation-name: spinner-light;
	}

	[data-theme='dark'] & {
		animation-name: spinner-dark;
	}

	[data-theme='auto'] & {
		@media (prefers-color-scheme: dark) {
			animation-name: spinner-dark;
		}
	}
}

Set the attribute on the root element (<html data-theme="auto">) and update document.documentElement.dataset.theme to switch at runtime. The auto binding above follows the OS preference. Components take their colors from CSS custom properties supplied by the theme; importing core without either theme setup leaves them colorless or unstyled.

Layout

The core styles apply an opinionated reset (inside @layer pelagos): div, form, main, header, and footer default to

display: flex;
flex-direction: column;
flex: none;

Every plain div is therefore already a column flex container — lay out rows with flex-direction: row rather than adding wrapper elements to fight the default. flex: none also means children do not grow; set flex: 1 explicitly where content should fill the available space.

Storybook

For examples and documentation, please see the Storybook site

Example application

pelagos-example is a small runnable application whose examples are indexed by what each one demonstrates — including the theme switching and layout patterns described above.

Notes for AI coding agents

AGENTS.md is a compact list of the non-obvious contracts — the layout reset, theme wiring, components that clone their children, labeling rules — that agents (and humans) otherwise rediscover from source. It ships with the npm package, so it is available in node_modules at the point of use.