@solid-aria/meter
v0.0.2
Published
Primitives for building accessible meter component.
Downloads
5,032
Readme
@solid-aria/meter
Meters represent a quantity within a known range, or a fractional value.
createMeter
- Provides the accessibility implementation for a meter component.
Installation
npm install @solid-aria/meter
# or
yarn add @solid-aria/meter
# or
pnpm add @solid-aria/meter
createMeter
Features
The <meter>
HTML element can be used to build a meter, however it is very difficult to style cross browser. createMeter
helps achieve accessible meters that can be styled as needed.
Meters are similar to progress bars, but represent a quantity as opposed to progress over time. See the createProgressBar
primitive for more details about progress bars.
- Exposed to assistive technology as a
meter
via ARIA, with fallback toprogressbar
where unsupported - Labeling support for accessibility
- Internationalized number formatting as a percentage or value
How to use it
import { AriaMeterProps, createMeter } from "@solid-aria/meter";
import { Show } from "solid-js/web";
function Meter(props: AriaMeterProps) {
const { meterProps, labelProps, percentage } = createMeter(props);
// Calculate the width of the progress bar as a percentage
const barWidth = `${Math.round(percentage() * 100)}%`;
return (
<div {...meterProps} style={{ width: "200px" }}>
<div style={{ display: "flex", "justify-content": "space-between" }}>
<Show when={props.label}>
<span {...labelProps}>{props.label}</span>
<span>{meterProps["aria-valuetext"]}</span>
</Show>
</div>
<div style={{ height: "10px", background: "gray" }}>
<div style={{ width: barWidth, height: "10px", background: "green" }} />
</div>
</div>
);
}
function App() {
return <Meter label="Storage space" value={250} maxValue={1000} />;
}
Internationalization
Value formatting
createMeter
will handle localized formatting of the value label for accessibility automatically. This is returned in the aria-valuetext
prop in meterProps
. You can use this to create a visible label if needed and ensure that it is formatted correctly. The number formatting can also be controlled using the formatOptions
prop.
RTL
In right-to-left languages, the meter should be mirrored. Ensure that your CSS accounts for this.
Changelog
All notable changes are described in the CHANGELOG.md file.