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5.49.1/code/Example.svelte

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+<script lang="ts">
+	export let value: string | null;
+	export let type: "gallery" | "table";
+	export let selected = false;
+
+	function truncate_text(text: string | null, max_length = 60): string {
+		if (!text) return "";
+		const str = String(text);
+		if (str.length <= max_length) return str;
+		return str.slice(0, max_length) + "...";
+	}
+</script>
+
+<pre
+	class:table={type === "table"}
+	class:gallery={type === "gallery"}
+	class:selected>{truncate_text(value)}</pre>
+
+<style>
+	pre {
+		text-align: left;
+	}
+	.gallery {
+		padding: var(--size-1) var(--size-2);
+	}
+</style>

5.49.1/code/Index.svelte

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+<script context="module" lang="ts">
+	export { default as BaseCode } from "./shared/Code.svelte";
+	export { default as BaseCopy } from "./shared/Copy.svelte";
+	export { default as BaseDownload } from "./shared/Download.svelte";
+	export { default as BaseWidget } from "./shared/Widgets.svelte";
+	export { default as BaseExample } from "./Example.svelte";
+</script>
+
+<script lang="ts">
+	import type { Gradio } from "@gradio/utils";
+	import { afterUpdate } from "svelte";
+
+	import type { LoadingStatus } from "@gradio/statustracker";
+
+	import Code from "./shared/Code.svelte";
+	import Widget from "./shared/Widgets.svelte";
+	import { StatusTracker } from "@gradio/statustracker";
+	import { Block, BlockLabel, Empty } from "@gradio/atoms";
+	import { Code as CodeIcon } from "@gradio/icons";
+
+	export let gradio: Gradio<{
+		change: typeof value;
+		input: never;
+		blur: never;
+		focus: never;
+		clear_status: LoadingStatus;
+	}>;
+	export let value = "";
+	export let value_is_output = false;
+	export let language = "";
+	export let lines = 5;
+	export let max_lines: number | undefined = undefined;
+	export let elem_id = "";
+	export let elem_classes: string[] = [];
+	export let visible: boolean | "hidden" = true;
+	export let label = gradio.i18n("code.code");
+	export let show_label = true;
+	export let loading_status: LoadingStatus;
+	export let scale: number | null = null;
+	export let min_width: number | undefined = undefined;
+	export let wrap_lines = false;
+	export let show_line_numbers = true;
+	export let autocomplete = false;
+
+	export let interactive: boolean;
+
+	let dark_mode = gradio.theme === "dark";
+
+	function handle_change(): void {
+		gradio.dispatch("change", value);
+		if (!value_is_output) {
+			gradio.dispatch("input");
+		}
+	}
+	afterUpdate(() => {
+		value_is_output = false;
+	});
+	$: value, handle_change();
+</script>
+
+<Block
+	height={max_lines && "fit-content"}
+	variant={"solid"}
+	padding={false}
+	{elem_id}
+	{elem_classes}
+	{visible}
+	{scale}
+	{min_width}
+>
+	<StatusTracker
+		autoscroll={gradio.autoscroll}
+		i18n={gradio.i18n}
+		{...loading_status}
+		on:clear_status={() => gradio.dispatch("clear_status", loading_status)}
+	/>
+
+	{#if show_label}
+		<BlockLabel Icon={CodeIcon} {show_label} {label} float={false} />
+	{/if}
+
+	{#if !value && !interactive}
+		<Empty unpadded_box={true} size="large">
+			<CodeIcon />
+		</Empty>
+	{:else}
+		<Widget {language} {value} />
+
+		<Code
+			bind:value
+			{language}
+			{lines}
+			{max_lines}
+			{dark_mode}
+			{wrap_lines}
+			{show_line_numbers}
+			{autocomplete}
+			readonly={!interactive}
+			on:blur={() => gradio.dispatch("blur")}
+			on:focus={() => gradio.dispatch("focus")}
+		/>
+	{/if}
+</Block>

5.49.1/code/package.json

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+{
+	"name": "@gradio/code",
+	"version": "0.15.0",
+	"description": "Gradio UI packages",
+	"type": "module",
+	"author": "",
+	"license": "ISC",
+	"private": false,
+	"dependencies": {
+		"@codemirror/autocomplete": "^6.18.6",
+		"@codemirror/commands": "^6.8.0",
+		"@codemirror/lang-css": "^6.3.1",
+		"@codemirror/lang-html": "^6.4.9",
+		"@codemirror/lang-javascript": "^6.2.3",
+		"@codemirror/lang-json": "^6.0.1",
+		"@codemirror/lang-markdown": "^6.3.2",
+		"@codemirror/lang-python": "^6.1.7",
+		"@codemirror/language": "^6.10.8",
+		"@codemirror/legacy-modes": "^6.4.3",
+		"@codemirror/lint": "^6.8.4",
+		"@codemirror/search": "^6.5.10",
+		"@codemirror/state": "^6.5.2",
+		"@codemirror/view": "^6.36.3",
+		"@gradio/atoms": "workspace:^",
+		"@gradio/icons": "workspace:^",
+		"@gradio/statustracker": "workspace:^",
+		"@gradio/upload": "workspace:^",
+		"@gradio/utils": "workspace:^",
+		"@lezer/common": "^1.2.3",
+		"@lezer/highlight": "^1.2.1",
+		"@lezer/markdown": "^1.4.2",
+		"cm6-theme-basic-dark": "^0.2.0",
+		"cm6-theme-basic-light": "^0.2.0",
+		"codemirror": "^6.0.1"
+	},
+	"main_changeset": true,
+	"main": "./Index.svelte",
+	"exports": {
+		".": {
+			"types": "./dist/Index.svelte.d.ts",
+			"gradio": "./Index.svelte",
+			"svelte": "./dist/Index.svelte",
+			"default": "./dist/Index.svelte"
+		},
+		"./example": {
+			"types": "./dist/Example.svelte.d.ts",
+			"gradio": "./Example.svelte",
+			"svelte": "./dist/Example.svelte",
+			"default": "./dist/Example.svelte"
+		},
+		"./package.json": "./package.json"
+	},
+	"devDependencies": {
+		"@gradio/preview": "workspace:^"
+	},
+	"peerDependencies": {
+		"svelte": "^4.0.0"
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/gradio-app/gradio.git",
+		"directory": "js/code"
+	}
+}

5.49.1/code/shared/Code.svelte

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+<script lang="ts">
+	import { createEventDispatcher, onMount } from "svelte";
+	import {
+		EditorView,
+		ViewUpdate,
+		keymap,
+		placeholder as placeholderExt,
+		lineNumbers
+	} from "@codemirror/view";
+	import { StateEffect, EditorState, type Extension } from "@codemirror/state";
+	import { indentWithTab } from "@codemirror/commands";
+	import { autocompletion, acceptCompletion } from "@codemirror/autocomplete";
+
+	import { basicDark } from "cm6-theme-basic-dark";
+	import { basicLight } from "cm6-theme-basic-light";
+	import { basicSetup } from "./extensions";
+	import { getLanguageExtension } from "./language";
+
+	export let class_names = "";
+	export let value = "";
+	export let dark_mode: boolean;
+	export let basic = true;
+	export let language: string;
+	export let lines = 5;
+	export let max_lines: number | null = null;
+	export let extensions: Extension[] = [];
+	export let use_tab = true;
+	export let readonly = false;
+	export let placeholder: string | HTMLElement | null | undefined = undefined;
+	export let wrap_lines = false;
+	export let show_line_numbers = true;
+	export let autocomplete = false;
+
+	const dispatch = createEventDispatcher<{
+		change: string;
+		blur: undefined;
+		focus: undefined;
+	}>();
+	let lang_extension: Extension | undefined;
+	let element: HTMLDivElement;
+	let view: EditorView;
+
+	$: get_lang(language);
+
+	async function get_lang(val: string): Promise<void> {
+		const ext = await getLanguageExtension(val);
+		lang_extension = ext;
+	}
+
+	$: reconfigure(), lang_extension, readonly;
+	$: set_doc(value);
+	$: update_lines();
+
+	function set_doc(new_doc: string): void {
+		if (view && new_doc !== view.state.doc.toString()) {
+			view.dispatch({
+				changes: {
+					from: 0,
+					to: view.state.doc.length,
+					insert: new_doc
+				}
+			});
+		}
+	}
+
+	function update_lines(): void {
+		if (view) {
+			view.requestMeasure({ read: resize });
+		}
+	}
+
+	function create_editor_view(): EditorView {
+		const editorView = new EditorView({
+			parent: element,
+			state: create_editor_state(value)
+		});
+		editorView.dom.addEventListener("focus", handle_focus, true);
+		editorView.dom.addEventListener("blur", handle_blur, true);
+		return editorView;
+	}
+
+	function handle_focus(): void {
+		dispatch("focus");
+	}
+
+	function handle_blur(): void {
+		dispatch("blur");
+	}
+
+	function getGutterLineHeight(_view: EditorView): string | null {
+		let elements = _view.dom.querySelectorAll<HTMLElement>(".cm-gutterElement");
+		if (elements.length === 0) {
+			return null;
+		}
+		for (var i = 0; i < elements.length; i++) {
+			let node = elements[i];
+			let height = getComputedStyle(node)?.height ?? "0px";
+			if (height != "0px") {
+				return height;
+			}
+		}
+		return null;
+	}
+
+	function resize(_view: EditorView): any {
+		let scroller = _view.dom.querySelector<HTMLElement>(".cm-scroller");
+		if (!scroller) {
+			return null;
+		}
+		const lineHeight = getGutterLineHeight(_view);
+		if (!lineHeight) {
+			return null;
+		}
+
+		const minLines = lines == 1 ? 1 : lines + 1;
+		scroller.style.minHeight = `calc(${lineHeight} * ${minLines})`;
+		if (max_lines)
+			scroller.style.maxHeight = `calc(${lineHeight} * ${max_lines + 1})`;
+	}
+
+	function handle_change(vu: ViewUpdate): void {
+		if (vu.docChanged) {
+			const doc = vu.state.doc;
+			const text = doc.toString();
+			value = text;
+			dispatch("change", text);
+		}
+		view.requestMeasure({ read: resize });
+	}
+
+	function get_extensions(): Extension[] {
+		const stateExtensions = [
+			...get_base_extensions(
+				basic,
+				use_tab,
+				placeholder,
+				readonly,
+				lang_extension,
+				show_line_numbers
+			),
+			FontTheme,
+			...get_theme(),
+			...extensions
+		];
+		return stateExtensions;
+	}
+
+	const FontTheme = EditorView.theme({
+		"&": {
+			fontSize: "var(--text-sm)",
+			backgroundColor: "var(--border-color-secondary)"
+		},
+		".cm-content": {
+			paddingTop: "5px",
+			paddingBottom: "5px",
+			color: "var(--body-text-color)",
+			fontFamily: "var(--font-mono)",
+			minHeight: "100%"
+		},
+		".cm-gutterElement": {
+			marginRight: "var(--spacing-xs)"
+		},
+		".cm-gutters": {
+			marginRight: "1px",
+			borderRight: "1px solid var(--border-color-primary)",
+			backgroundColor: "var(--block-background-fill);",
+			color: "var(--body-text-color-subdued)"
+		},
+		".cm-focused": {
+			outline: "none"
+		},
+		".cm-scroller": {
+			height: "auto"
+		},
+		".cm-cursor": {
+			borderLeftColor: "var(--body-text-color)"
+		}
+	});
+
+	const AutocompleteTheme = EditorView.theme({
+		".cm-tooltip-autocomplete": {
+			"& > ul": {
+				backgroundColor: "var(--background-fill-primary)",
+				color: "var(--body-text-color)"
+			},
+			"& > ul > li[aria-selected]": {
+				backgroundColor: "var(--color-accent-soft)",
+				color: "var(--body-text-color)"
+			}
+		}
+	});
+
+	function create_editor_state(_value: string | null | undefined): EditorState {
+		return EditorState.create({
+			doc: _value ?? undefined,
+			extensions: get_extensions()
+		});
+	}
+
+	function get_base_extensions(
+		basic: boolean,
+		use_tab: boolean,
+		placeholder: string | HTMLElement | null | undefined,
+		readonly: boolean,
+		lang: Extension | null | undefined,
+		show_line_numbers: boolean
+	): Extension[] {
+		const extensions: Extension[] = [
+			EditorView.editable.of(!readonly),
+			EditorState.readOnly.of(readonly),
+			EditorView.contentAttributes.of({ "aria-label": "Code input container" })
+		];
+
+		if (basic) {
+			extensions.push(basicSetup);
+		}
+		if (use_tab) {
+			extensions.push(
+				keymap.of([{ key: "Tab", run: acceptCompletion }, indentWithTab])
+			);
+		}
+		if (placeholder) {
+			extensions.push(placeholderExt(placeholder));
+		}
+		if (lang) {
+			extensions.push(lang);
+		}
+		if (show_line_numbers) {
+			extensions.push(lineNumbers());
+		}
+		if (autocomplete) {
+			extensions.push(autocompletion());
+			extensions.push(AutocompleteTheme);
+		}
+
+		extensions.push(EditorView.updateListener.of(handle_change));
+		if (wrap_lines) {
+			extensions.push(EditorView.lineWrapping);
+		}
+
+		return extensions;
+	}
+
+	function get_theme(): Extension[] {
+		const extensions: Extension[] = [];
+
+		if (dark_mode) {
+			extensions.push(basicDark);
+		} else {
+			extensions.push(basicLight);
+		}
+		return extensions;
+	}
+
+	function reconfigure(): void {
+		view?.dispatch({
+			effects: StateEffect.reconfigure.of(get_extensions())
+		});
+	}
+
+	onMount(() => {
+		view = create_editor_view();
+		return () => view?.destroy();
+	});
+</script>
+
+<div class="wrap">
+	<div class="codemirror-wrapper {class_names}" bind:this={element} />
+</div>
+
+<style>
+	.wrap {
+		display: flex;
+		flex-direction: column;
+		flex-grow: 1;
+		margin: 0;
+		padding: 0;
+		height: 100%;
+	}
+	.codemirror-wrapper {
+		flex-grow: 1;
+		overflow: auto;
+	}
+
+	:global(.cm-editor) {
+		height: 100%;
+	}
+
+	/* Dunno why this doesn't work through the theme API -- don't remove*/
+	:global(.cm-selectionBackground) {
+		background-color: #b9d2ff30 !important;
+	}
+
+	:global(.cm-focused) {
+		outline: none !important;
+	}
+</style>

5.49.1/code/shared/Copy.svelte

@@ -0,0 +1,30 @@
+<script lang="ts">
+	import { onDestroy } from "svelte";
+	import { Copy, Check } from "@gradio/icons";
+	import { IconButton } from "@gradio/atoms";
+
+	let copied = false;
+	export let value: string;
+	let timer: NodeJS.Timeout;
+
+	function copy_feedback(): void {
+		copied = true;
+		if (timer) clearTimeout(timer);
+		timer = setTimeout(() => {
+			copied = false;
+		}, 2000);
+	}
+
+	async function handle_copy(): Promise<void> {
+		if ("clipboard" in navigator) {
+			await navigator.clipboard.writeText(value);
+			copy_feedback();
+		}
+	}
+
+	onDestroy(() => {
+		if (timer) clearTimeout(timer);
+	});
+</script>
+
+<IconButton Icon={copied ? Check : Copy} on:click={handle_copy} />

5.49.1/code/shared/Download.svelte

@@ -0,0 +1,63 @@
+<script lang="ts">
+	import { onDestroy } from "svelte";
+	import { Download, Check } from "@gradio/icons";
+	import { DownloadLink } from "@gradio/atoms";
+	import { IconButton } from "@gradio/atoms";
+
+	export let value: string;
+	export let language: string;
+
+	$: ext = get_ext_for_type(language);
+
+	function get_ext_for_type(type: string): string {
+		const exts: Record<string, string> = {
+			py: "py",
+			python: "py",
+			md: "md",
+			markdown: "md",
+			json: "json",
+			html: "html",
+			css: "css",
+			js: "js",
+			javascript: "js",
+			ts: "ts",
+			typescript: "ts",
+			yaml: "yaml",
+			yml: "yml",
+			dockerfile: "dockerfile",
+			sh: "sh",
+			shell: "sh",
+			r: "r",
+			c: "c",
+			cpp: "cpp",
+			latex: "tex"
+		};
+
+		return exts[type] || "txt";
+	}
+
+	let copied = false;
+	let timer: NodeJS.Timeout;
+
+	function copy_feedback(): void {
+		copied = true;
+		if (timer) clearTimeout(timer);
+		timer = setTimeout(() => {
+			copied = false;
+		}, 2000);
+	}
+
+	$: download_value = URL.createObjectURL(new Blob([value]));
+
+	onDestroy(() => {
+		if (timer) clearTimeout(timer);
+	});
+</script>
+
+<DownloadLink
+	download="file.{ext}"
+	href={download_value}
+	on:click={copy_feedback}
+>
+	<IconButton Icon={copied ? Check : Download} />
+</DownloadLink>

5.49.1/code/shared/Widgets.svelte

@@ -0,0 +1,13 @@
+<script lang="ts">
+	import Copy from "./Copy.svelte";
+	import Download from "./Download.svelte";
+	import { IconButtonWrapper } from "@gradio/atoms";
+
+	export let value: string;
+	export let language: string;
+</script>
+
+<IconButtonWrapper>
+	<Download {value} {language} />
+	<Copy {value} />
+</IconButtonWrapper>

5.49.1/code/shared/extensions.ts

@@ -0,0 +1,47 @@
+import type { Extension } from "@codemirror/state";
+import {
+	lineNumbers,
+	highlightSpecialChars,
+	drawSelection,
+	rectangularSelection,
+	crosshairCursor,
+	keymap
+} from "@codemirror/view";
+export { EditorView } from "@codemirror/view";
+import { EditorState } from "@codemirror/state";
+import {
+	foldGutter,
+	indentOnInput,
+	syntaxHighlighting,
+	defaultHighlightStyle,
+	foldKeymap
+} from "@codemirror/language";
+import { history, defaultKeymap, historyKeymap } from "@codemirror/commands";
+import {
+	closeBrackets,
+	closeBracketsKeymap,
+	completionKeymap
+} from "@codemirror/autocomplete";
+import { lintKeymap } from "@codemirror/lint";
+
+export const basicSetup: Extension = /*@__PURE__*/ ((): Extension[] => [
+	highlightSpecialChars(),
+	history(),
+	foldGutter(),
+	drawSelection(),
+	EditorState.allowMultipleSelections.of(true),
+	indentOnInput(),
+	syntaxHighlighting(defaultHighlightStyle, { fallback: true }),
+	closeBrackets(),
+	rectangularSelection(),
+	crosshairCursor(),
+
+	keymap.of([
+		...closeBracketsKeymap,
+		...defaultKeymap,
+		...historyKeymap,
+		...foldKeymap,
+		...completionKeymap,
+		...lintKeymap
+	])
+])();

5.49.1/code/shared/frontmatter.ts

@@ -0,0 +1,61 @@
+import type {
+	Element,
+	MarkdownExtension,
+	BlockContext,
+	Line
+} from "@lezer/markdown";
+import { parseMixed } from "@lezer/common";
+import { yaml } from "@codemirror/legacy-modes/mode/yaml";
+import { foldInside, foldNodeProp, StreamLanguage } from "@codemirror/language";
+import { styleTags, tags } from "@lezer/highlight";
+
+const frontMatterFence = /^---\s*$/m;
+
+export const frontmatter: MarkdownExtension = {
+	defineNodes: [{ name: "Frontmatter", block: true }, "FrontmatterMark"],
+	props: [
+		styleTags({
+			Frontmatter: [tags.documentMeta, tags.monospace],
+			FrontmatterMark: tags.processingInstruction
+		}),
+		foldNodeProp.add({
+			Frontmatter: foldInside,
+			FrontmatterMark: () => null
+		})
+	],
+	wrap: parseMixed((node) => {
+		const { parser } = StreamLanguage.define(yaml);
+		if (node.type.name === "Frontmatter") {
+			return {
+				parser,
+				overlay: [{ from: node.from + 4, to: node.to - 4 }]
+			};
+		}
+		return null;
+	}),
+	parseBlock: [
+		{
+			name: "Frontmatter",
+			before: "HorizontalRule",
+			parse: (cx: BlockContext, line: Line): boolean => {
+				let end: number | undefined = undefined;
+				const children = new Array<Element>();
+				if (cx.lineStart === 0 && frontMatterFence.test(line.text)) {
+					children.push(cx.elt("FrontmatterMark", 0, 4));
+					while (cx.nextLine()) {
+						if (frontMatterFence.test(line.text)) {
+							end = cx.lineStart + 4;
+							break;
+						}
+					}
+					if (end !== undefined) {
+						children.push(cx.elt("FrontmatterMark", end - 4, end));
+						cx.addElement(cx.elt("Frontmatter", 0, end, children));
+					}
+					return true;
+				}
+				return false;
+			}
+		}
+	]
+};

5.49.1/code/shared/language.ts

@@ -0,0 +1,102 @@
+import type { Extension } from "@codemirror/state";
+import { StreamLanguage } from "@codemirror/language";
+import { _ } from "svelte-i18n";
+
+const sql_dialects = [
+	"standardSQL",
+	"msSQL",
+	"mySQL",
+	"mariaDB",
+	"sqlite",
+	"cassandra",
+	"plSQL",
+	"hive",
+	"pgSQL",
+	"gql",
+	"gpSQL",
+	"sparkSQL",
+	"esper"
+] as const;
+
+const lang_map: Record<string, (() => Promise<Extension>) | undefined> = {
+	python: () => import("@codemirror/lang-python").then((m) => m.python()),
+	c: () =>
+		import("@codemirror/legacy-modes/mode/clike").then((m) =>
+			StreamLanguage.define(m.c)
+		),
+	cpp: () =>
+		import("@codemirror/legacy-modes/mode/clike").then((m) =>
+			StreamLanguage.define(m.cpp)
+		),
+	markdown: async () => {
+		const [md, frontmatter] = await Promise.all([
+			import("@codemirror/lang-markdown"),
+			import("./frontmatter")
+		]);
+		return md.markdown({ extensions: [frontmatter.frontmatter] });
+	},
+	latex: () =>
+		import("@codemirror/legacy-modes/mode/stex").then((m) =>
+			StreamLanguage.define(m.stex)
+		),
+	json: () => import("@codemirror/lang-json").then((m) => m.json()),
+	html: () => import("@codemirror/lang-html").then((m) => m.html()),
+	css: () => import("@codemirror/lang-css").then((m) => m.css()),
+	javascript: () =>
+		import("@codemirror/lang-javascript").then((m) => m.javascript()),
+	jinja2: () =>
+		import("@codemirror/legacy-modes/mode/jinja2").then((m) =>
+			StreamLanguage.define(m.jinja2)
+		),
+	typescript: () =>
+		import("@codemirror/lang-javascript").then((m) =>
+			m.javascript({ typescript: true })
+		),
+	yaml: () =>
+		import("@codemirror/legacy-modes/mode/yaml").then((m) =>
+			StreamLanguage.define(m.yaml)
+		),
+	dockerfile: () =>
+		import("@codemirror/legacy-modes/mode/dockerfile").then((m) =>
+			StreamLanguage.define(m.dockerFile)
+		),
+	shell: () =>
+		import("@codemirror/legacy-modes/mode/shell").then((m) =>
+			StreamLanguage.define(m.shell)
+		),
+	r: () =>
+		import("@codemirror/legacy-modes/mode/r").then((m) =>
+			StreamLanguage.define(m.r)
+		),
+	sql: () =>
+		import("@codemirror/legacy-modes/mode/sql").then((m) =>
+			StreamLanguage.define(m.standardSQL)
+		),
+	...Object.fromEntries(
+		sql_dialects.map((dialect) => [
+			"sql-" + dialect,
+			() =>
+				import("@codemirror/legacy-modes/mode/sql").then((m) =>
+					StreamLanguage.define(m[dialect])
+				)
+		])
+	)
+} as const;
+
+const alias_map: Record<string, string> = {
+	py: "python",
+	md: "markdown",
+	js: "javascript",
+	ts: "typescript",
+	sh: "shell"
+};
+
+export async function getLanguageExtension(
+	lang: string
+): Promise<Extension | undefined> {
+	const _lang = lang_map[lang] || lang_map[alias_map[lang]] || undefined;
+	if (_lang) {
+		return _lang();
+	}
+	return undefined;
+}