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6.4.0/label/Index.svelte

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+<script context="module" lang="ts">
+	export { default as BaseLabel } from "./shared/Label.svelte";
+</script>
+
+<script lang="ts">
+	import type { LabelProps, LabelEvents } from "./types";
+	import { Gradio } from "@gradio/utils";
+	import Label from "./shared/Label.svelte";
+	import { LineChart as LabelIcon } from "@gradio/icons";
+	import { Block, BlockLabel, Empty, IconButtonWrapper } from "@gradio/atoms";
+	import { StatusTracker } from "@gradio/statustracker";
+	import type { SelectData } from "@gradio/utils";
+
+	const props = $props();
+	const gradio = new Gradio<LabelEvents, LabelProps>(props);
+
+	let old_value = $state(gradio.props.value);
+	let _label = $derived(gradio.props.value.label);
+
+	$effect(() => {
+		if (old_value != gradio.props.value) {
+			old_value = gradio.props.value;
+			gradio.dispatch("change");
+		}
+	});
+</script>
+
+<Block
+	test_id="label"
+	visible={gradio.shared.visible}
+	elem_id={gradio.shared.elem_id}
+	elem_classes={gradio.shared.elem_classes}
+	container={gradio.shared.container}
+	scale={gradio.shared.scale}
+	min_width={gradio.shared.min_width}
+	padding={false}
+>
+	<StatusTracker
+		autoscroll={gradio.shared.autoscroll}
+		i18n={gradio.i18n}
+		{...gradio.shared.loading_status}
+		on_clear_status={() =>
+			gradio.dispatch("clear_status", gradio.shared.loading_status)}
+	/>
+	{#if gradio.shared.show_label && gradio.props.buttons && gradio.props.buttons.length > 0}
+		<IconButtonWrapper
+			buttons={gradio.props.buttons}
+			on_custom_button_click={(id) => {
+				gradio.dispatch("custom_button_click", { id });
+			}}
+		/>
+	{/if}
+	{#if gradio.shared.show_label}
+		<BlockLabel
+			Icon={LabelIcon}
+			label={gradio.shared.label || gradio.i18n("label.label")}
+			disable={gradio.shared.container === false}
+			float={gradio.props.show_heading === true}
+		/>
+	{/if}
+	{#if _label !== undefined && _label !== null}
+		<Label
+			onselect={(detail: SelectData) => gradio.dispatch("select", detail)}
+			selectable={gradio.props._selectable}
+			value={gradio.props.value}
+			color={gradio.props.color}
+			show_heading={gradio.props.show_heading}
+		/>
+	{:else}
+		<Empty unpadded_box={true}><LabelIcon /></Empty>
+	{/if}
+</Block>

6.4.0/label/package.json

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+{
+	"name": "@gradio/label",
+	"version": "0.6.1",
+	"description": "Gradio UI packages",
+	"type": "module",
+	"author": "",
+	"license": "ISC",
+	"private": false,
+	"dependencies": {
+		"@gradio/atoms": "workspace:^",
+		"@gradio/icons": "workspace:^",
+		"@gradio/statustracker": "workspace:^",
+		"@gradio/utils": "workspace:^"
+	},
+	"devDependencies": {
+		"@gradio/preview": "workspace:^"
+	},
+	"main_changeset": true,
+	"main": "./Index.svelte",
+	"exports": {
+		".": {
+			"gradio": "./Index.svelte",
+			"svelte": "./dist/Index.svelte",
+			"types": "./dist/Index.svelte.d.ts"
+		},
+		"./package.json": "./package.json"
+	},
+	"peerDependencies": {
+		"svelte": "^5.43.4"
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/gradio-app/gradio.git",
+		"directory": "js/label"
+	}
+}

6.4.0/label/shared/Label.svelte

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+<script lang="ts">
+	import type { SelectData } from "@gradio/utils";
+
+	let {
+		value,
+		color = undefined,
+		selectable = false,
+		show_heading = true,
+		onselect
+	}: {
+		value: {
+			label?: string;
+			confidences?: { label: string; confidence: number }[];
+		};
+		color?: string | undefined;
+		selectable?: boolean;
+		show_heading?: boolean;
+		onselect?: (detail: SelectData) => void;
+	} = $props();
+
+	function get_aria_referenceable_id(elem_id: string): string {
+		// `aria-labelledby` interprets the value as a space-separated id reference list,
+		// so each single id should not contain any spaces.
+		// Ref: https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-labelledby#benefits_and_drawbacks
+		return elem_id.replace(/\s/g, "-");
+	}
+</script>
+
+<div class="container">
+	{#if show_heading || !value.confidences}
+		<h2
+			class="output-class"
+			data-testid="label-output-value"
+			class:no-confidence={!("confidences" in value)}
+			style:background-color={color || "transparent"}
+		>
+			{value.label}
+		</h2>
+	{/if}
+
+	{#if typeof value === "object" && value.confidences}
+		{#each value.confidences as confidence_set, i}
+			<button
+				class="confidence-set group"
+				data-testid={`${confidence_set.label}-confidence-set`}
+				class:selectable
+				onclick={() => {
+					onselect?.({ index: i, value: confidence_set.label });
+				}}
+			>
+				<div class="inner-wrap">
+					<meter
+						aria-labelledby={get_aria_referenceable_id(
+							`meter-text-${confidence_set.label}`
+						)}
+						aria-label={confidence_set.label}
+						aria-valuenow={Math.round(confidence_set.confidence * 100)}
+						aria-valuemin="0"
+						aria-valuemax="100"
+						class="bar"
+						min="0"
+						max="1"
+						value={confidence_set.confidence}
+						style="width: {confidence_set.confidence *
+							100}%; background: var(--stat-background-fill);
+						"
+					/>
+
+					<dl class="label">
+						<dt
+							id={get_aria_referenceable_id(
+								`meter-text-${confidence_set.label}`
+							)}
+							class="text"
+						>
+							{confidence_set.label}
+						</dt>
+						<div class="line" />
+						<dd class="confidence">
+							{Math.round(confidence_set.confidence * 100)}%
+						</dd>
+					</dl>
+				</div>
+			</button>
+		{/each}
+	{/if}
+</div>
+
+<style>
+	.container {
+		padding: var(--block-padding);
+	}
+	.output-class {
+		display: flex;
+		justify-content: center;
+		align-items: center;
+		padding: var(--size-6) var(--size-4);
+		color: var(--body-text-color);
+		font-weight: var(--weight-bold);
+		font-size: var(--text-xxl);
+	}
+
+	.confidence-set {
+		display: flex;
+		justify-content: space-between;
+		align-items: flex-start;
+		margin-bottom: var(--size-2);
+		color: var(--body-text-color);
+		line-height: var(--line-none);
+		font-family: var(--font-mono);
+		width: 100%;
+	}
+
+	.confidence-set:last-child {
+		margin-bottom: 0;
+	}
+
+	.inner-wrap {
+		flex: 1 1 0%;
+		display: flex;
+		flex-direction: column;
+	}
+
+	.bar {
+		appearance: none;
+		-webkit-appearance: none;
+		-moz-appearance: none;
+		align-self: flex-start;
+		margin-bottom: var(--size-1);
+		border-radius: var(--radius-md);
+		background: var(--stat-background-fill);
+		height: var(--size-1);
+		border: none;
+	}
+
+	.bar::-moz-meter-bar {
+		border-radius: var(--radius-md);
+		background: var(--stat-background-fill);
+	}
+
+	.bar::-webkit-meter-bar {
+		border-radius: var(--radius-md);
+		background: var(--stat-background-fill);
+		border: none;
+	}
+
+	.bar::-webkit-meter-optimum-value,
+	.bar::-webkit-meter-suboptimum-value,
+	.bar::-webkit-meter-even-less-good-value {
+		border-radius: var(--radius-md);
+		background: var(--stat-background-fill);
+	}
+
+	.bar::-ms-fill {
+		border-radius: var(--radius-md);
+		background: var(--stat-background-fill);
+		border: none;
+	}
+
+	.label {
+		display: flex;
+		align-items: baseline;
+	}
+
+	.label > * + * {
+		margin-left: var(--size-2);
+	}
+
+	.confidence-set:hover .label {
+		color: var(--color-accent);
+	}
+
+	.confidence-set:focus .label {
+		color: var(--color-accent);
+	}
+
+	.text {
+		line-height: var(--line-md);
+		text-align: left;
+	}
+
+	.line {
+		flex: 1 1 0%;
+		border: 1px dashed var(--border-color-primary);
+		padding-right: var(--size-4);
+		padding-left: var(--size-4);
+	}
+
+	.confidence {
+		margin-left: auto;
+		text-align: right;
+	}
+</style>

6.4.0/label/types.ts

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+import type { SelectData, LoadingStatus, CustomButton } from "@gradio/utils";
+
+export interface LabelProps {
+	value: {
+		label?: string;
+		confidences?: { label: string; confidence: number }[];
+	};
+	color: undefined | string;
+	_selectable: boolean;
+	show_heading: boolean;
+	buttons: (string | CustomButton)[] | null;
+}
+
+export interface LabelEvents {
+	change: never;
+	select: SelectData;
+	clear_status: LoadingStatus;
+	custom_button_click: { id: number };
+}