Create Meter hooks and components

docs/data/api/meter-indicator.json

@@ -0,0 +1,19 @@
+{
+  "props": {
+    "className": { "type": { "name": "union", "description": "func<br>&#124;&nbsp;string" } },
+    "render": { "type": { "name": "union", "description": "element<br>&#124;&nbsp;func" } }
+  },
+  "name": "MeterIndicator",
+  "imports": [
+    "import { Meter } from '@base_ui/react/Meter';\nconst MeterIndicator = Meter.Indicator;"
+  ],
+  "classes": [],
+  "spread": true,
+  "themeDefaultProps": true,
+  "muiName": "MeterIndicator",
+  "forwardsRefTo": "HTMLSpanElement",
+  "filename": "/packages/mui-base/src/Meter/Indicator/MeterIndicator.tsx",
+  "inheritance": null,
+  "demos": "<ul><li><a href=\"/components/react-meter/\">Meter</a></li></ul>",
+  "cssComponent": false
+}

docs/data/api/meter-root.json

@@ -0,0 +1,35 @@
+{
+  "props": {
+    "value": { "type": { "name": "number" }, "required": true },
+    "aria-label": { "type": { "name": "string" } },
+    "aria-labelledby": { "type": { "name": "string" } },
+    "aria-valuetext": { "type": { "name": "string" } },
+    "className": { "type": { "name": "union", "description": "func<br>&#124;&nbsp;string" } },
+    "direction": {
+      "type": { "name": "enum", "description": "'ltr'<br>&#124;&nbsp;'rtl'" },
+      "default": "'ltr'"
+    },
+    "getAriaLabel": {
+      "type": { "name": "func" },
+      "signature": { "type": "function(value: number) => string", "describedArgs": ["value"] }
+    },
+    "getAriaValueText": {
+      "type": { "name": "func" },
+      "signature": { "type": "function(value: number) => string", "describedArgs": ["value"] }
+    },
+    "max": { "type": { "name": "number" }, "default": "100" },
+    "min": { "type": { "name": "number" }, "default": "0" },
+    "render": { "type": { "name": "union", "description": "element<br>&#124;&nbsp;func" } }
+  },
+  "name": "MeterRoot",
+  "imports": ["import { Meter } from '@base_ui/react/Meter';\nconst MeterRoot = Meter.Root;"],
+  "classes": [],
+  "spread": true,
+  "themeDefaultProps": true,
+  "muiName": "MeterRoot",
+  "forwardsRefTo": "HTMLDivElement",
+  "filename": "/packages/mui-base/src/Meter/Root/MeterRoot.tsx",
+  "inheritance": null,
+  "demos": "<ul><li><a href=\"/components/react-meter/\">Meter</a></li></ul>",
+  "cssComponent": false
+}

docs/data/api/meter-track.json

@@ -0,0 +1,17 @@
+{
+  "props": {
+    "className": { "type": { "name": "union", "description": "func<br>&#124;&nbsp;string" } },
+    "render": { "type": { "name": "union", "description": "element<br>&#124;&nbsp;func" } }
+  },
+  "name": "MeterTrack",
+  "imports": ["import { Meter } from '@base_ui/react/Meter';\nconst MeterTrack = Meter.Track;"],
+  "classes": [],
+  "spread": true,
+  "themeDefaultProps": true,
+  "muiName": "MeterTrack",
+  "forwardsRefTo": "HTMLSpanElement",
+  "filename": "/packages/mui-base/src/Meter/Track/MeterTrack.tsx",
+  "inheritance": null,
+  "demos": "<ul><li><a href=\"/components/react-meter/\">Meter</a></li></ul>",
+  "cssComponent": false
+}

docs/data/components/meter/MeterIntroduction.js

@@ -0,0 +1,35 @@
+'use client';
+import * as React from 'react';
+import { Meter } from '@base_ui/react/Meter';
+import classes from './styles.module.css';
+
+export default function MeterIntroduction() {
+  return (
+    <div className={classes.demo}>
+      <Meter.Root className={classes.meter} value={60} aria-label="Battery Life">
+        <Meter.Track className={classes.track}>
+          <BoltIcon className={classes.icon} />
+          <Meter.Indicator className={classes.indicator} />
+        </Meter.Track>
+      </Meter.Root>
+    </div>
+  );
+}
+
+function BoltIcon(props) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      {...props}
+      width="24"
+      height="24"
+      viewBox="0 0 24 24"
+      fill="none"
+    >
+      <path
+        d="M10.67 21c-.35 0-.62-.31-.57-.66L11 14H7.5c-.88 0-.33-.75-.31-.78 1.26-2.23 3.15-5.53 5.65-9.93.1-.18.3-.29.5-.29.35 0 .62.31.57.66l-.9 6.34h3.51c.4 0 .62.19.4.66-3.29 5.74-5.2 9.09-5.75 10.05-.1.18-.29.29-.5.29z"
+        fill="currentColor"
+      />
+    </svg>
+  );
+}

docs/data/components/meter/MeterIntroduction.tsx

@@ -0,0 +1,35 @@
+'use client';
+import * as React from 'react';
+import { Meter } from '@base_ui/react/Meter';
+import classes from './styles.module.css';
+
+export default function MeterIntroduction() {
+  return (
+    <div className={classes.demo}>
+      <Meter.Root className={classes.meter} value={60} aria-label="Battery Life">
+        <Meter.Track className={classes.track}>
+          <BoltIcon className={classes.icon} />
+          <Meter.Indicator className={classes.indicator} />
+        </Meter.Track>
+      </Meter.Root>
+    </div>
+  );
+}
+
+function BoltIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      {...props}
+      width="24"
+      height="24"
+      viewBox="0 0 24 24"
+      fill="none"
+    >
+      <path
+        d="M10.67 21c-.35 0-.62-.31-.57-.66L11 14H7.5c-.88 0-.33-.75-.31-.78 1.26-2.23 3.15-5.53 5.65-9.93.1-.18.3-.29.5-.29.35 0 .62.31.57.66l-.9 6.34h3.51c.4 0 .62.19.4.66-3.29 5.74-5.2 9.09-5.75 10.05-.1.18-.29.29-.5.29z"
+        fill="currentColor"
+      />
+    </svg>
+  );
+}

docs/data/components/meter/MeterIntroduction.tsx.preview

@@ -0,0 +1,6 @@
+<Meter.Root className={classes.meter} value={60} aria-label="Battery Life">
+  <Meter.Track className={classes.track}>
+    <BoltIcon className={classes.icon} />
+    <Meter.Indicator className={classes.indicator} />
+  </Meter.Track>
+</Meter.Root>

docs/data/components/meter/meter.mdx

@@ -0,0 +1,38 @@
+---
+productId: base-ui
+title: React Meter components
+description: The Meter component provides a graphical display of a numeric value within a defined range
+components: MeterRoot, MeterTrack, MeterIndicator
+hooks: useMeterRoot, useMeterIndicator
+githubLabel: 'component: meter'
+waiAria: https://www.w3.org/WAI/ARIA/apg/patterns/meter/
+packageName: '@base_ui/react'
+---
+
+# Meter
+
+<Description />
+
+<ComponentLinkHeader design={false} />
+
+<Demo demo="MeterIntroduction" defaultCodeOpen="false" bg="gradient" />
+
+## Installation
+
+<InstallationInstructions componentName="Meter" />
+
+### Anatomy
+
+Meter
+
+- `<Meter.Root />` is a top-level component that wraps the other components.
+- `<Meter.Track />` renders the rail that represents the full range of possible values.
+- `<Meter.Indicator />` renders the filled portion of the track.
+
+```tsx
+<Meter.Root>
+  <Meter.Track>
+    <Meter.Indicator />
+  </Meter.Track>
+</Meter.Root>
+```

docs/data/components/meter/styles.module.css

@@ -0,0 +1,49 @@
+.demo {
+  --icon-size: 46px;
+  display: flex;
+  flex-flow: row nowrap;
+  justify-content: center;
+  align-items: center;
+  padding: 1rem;
+}
+
+.meter {
+  display: flex;
+  flex-flow: column nowrap;
+  gap: 1rem;
+  color: var(--gray-text-2);
+}
+
+.track {
+  position: relative;
+  width: 38px;
+  height: 16px;
+  border-radius: 5px;
+  border: 3px solid currentColor;
+  padding: 2px;
+  display: flex;
+}
+
+.track:after {
+  content: '';
+  background-color: currentColor;
+  position: absolute;
+  z-index: 1;
+  top: 3px;
+  right: -6px;
+  width: 3px;
+  height: 14px;
+  border-radius: 0 6px 6px 0;
+}
+
+.icon {
+  position: absolute;
+  width: var(--icon-size);
+  height: var(--icon-size);
+  transform: translate(-3px, -14px);
+}
+
+.indicator {
+  background-color: rgb(40, 205, 65);
+  border-radius: 3px;
+}

docs/data/pages.ts

@@ -31,6 +31,7 @@ const pages: readonly RouteMetadata[] = [
       { pathname: '/components/react-fieldset', title: 'Fieldset' },
       { pathname: '/components/react-form', title: 'Form' },
       { pathname: '/components/react-menu', title: 'Menu' },
+      { pathname: '/components/react-meter', title: 'Meter' },
       { pathname: '/components/react-number-field', title: 'Number Field' },
       { pathname: '/components/react-popover', title: 'Popover' },
       { pathname: '/components/react-preview-card', title: 'Preview Card' },

docs/data/translations/api-docs/meter-indicator/meter-indicator.json

@@ -0,0 +1,10 @@
+{
+  "componentDescription": "",
+  "propDescriptions": {
+    "className": {
+      "description": "Class names applied to the element or a function that returns them based on the component's state."
+    },
+    "render": { "description": "A function to customize rendering of the component." }
+  },
+  "classDescriptions": {}
+}

docs/data/translations/api-docs/meter-root/meter-root.json

@@ -0,0 +1,29 @@
+{
+  "componentDescription": "",
+  "propDescriptions": {
+    "aria-label": { "description": "The label for the Indicator component." },
+    "aria-labelledby": {
+      "description": "An id or space-separated list of ids of elements that label the Indicator component."
+    },
+    "aria-valuetext": {
+      "description": "A string value that provides a human-readable text alternative for the current value of the meter indicator."
+    },
+    "className": {
+      "description": "Class names applied to the element or a function that returns them based on the component's state."
+    },
+    "direction": { "description": "The direction that the meter fills towards" },
+    "getAriaLabel": {
+      "description": "Accepts a function which returns a string value that provides an accessible name for the Indicator component",
+      "typeDescriptions": { "value": "The component's value" }
+    },
+    "getAriaValueText": {
+      "description": "Accepts a function which returns a string value that provides a human-readable text alternative for the current value of the meter indicator.",
+      "typeDescriptions": { "value": "The component's value to format" }
+    },
+    "max": { "description": "The maximum value" },
+    "min": { "description": "The minimum value" },
+    "render": { "description": "A function to customize rendering of the component." },
+    "value": { "description": "The current value." }
+  },
+  "classDescriptions": {}
+}

docs/data/translations/api-docs/meter-track/meter-track.json

@@ -0,0 +1,10 @@
+{
+  "componentDescription": "",
+  "propDescriptions": {
+    "className": {
+      "description": "Class names applied to the element or a function that returns them based on the component's state."
+    },
+    "render": { "description": "A function to customize rendering of the component." }
+  },
+  "classDescriptions": {}
+}

packages/mui-base/src/Meter/Indicator/MeterIndicator.test.tsx

@@ -0,0 +1,58 @@
+import * as React from 'react';
+import { expect } from 'chai';
+import { Meter } from '@base_ui/react/Meter';
+import { createRenderer, describeConformance } from '#test-utils';
+import { MeterRootContext } from '../Root/MeterRootContext';
+
+const contextValue: MeterRootContext = {
+  direction: 'ltr',
+  max: 100,
+  min: 0,
+  value: 30,
+  percentageValue: 30,
+  segment: 'low',
+  isOptimal: false,
+  ownerState: {
+    direction: 'ltr',
+    max: 100,
+    min: 0,
+    segment: 'low',
+    isOptimal: false,
+  },
+};
+
+describe('<Meter.Indicator />', () => {
+  const { render } = createRenderer();
+
+  describeConformance(<Meter.Indicator />, () => ({
+    render: (node) => {
+      return render(
+        <MeterRootContext.Provider value={contextValue}>{node}</MeterRootContext.Provider>,
+      );
+    },
+    refInstanceof: window.HTMLSpanElement,
+  }));
+
+  describe('internal styles', () => {
+    it('determinate', async function test() {
+      if (/jsdom/.test(window.navigator.userAgent)) {
+        this.skip();
+      }
+
+      const { getByTestId } = await render(
+        <Meter.Root value={33}>
+          <Meter.Track>
+            <Meter.Indicator data-testid="indicator" />
+          </Meter.Track>
+        </Meter.Root>,
+      );
+
+      const indicator = getByTestId('indicator');
+
+      expect(indicator).toHaveComputedStyle({
+        left: '0px',
+        width: '33%',
+      });
+    });
+  });
+});