feat: adding aria-live region on error

.eslintrc.cjs

@@ -0,0 +1,25 @@
+module.exports = {
+	root: true,
+	env: { browser: true, es2020: true },
+	extends: [
+		"eslint:recommended",
+		"plugin:@typescript-eslint/recommended",
+		"plugin:react-hooks/recommended",
+		"prettier",
+		"./configuration/eslint-rules/best-practices.cjs",
+		"./configuration/eslint-rules/possible-errors.cjs",
+		"./configuration/eslint-rules/variables.cjs",
+	],
+	ignorePatterns: ["dist", ".eslintrc.cjs"],
+	parser: "@typescript-eslint/parser",
+	plugins: ["react-refresh", "simple-import-sort"],
+	rules: {
+		"@typescript-eslint/no-explicit-any": "off",
+		"react-refresh/only-export-components": [
+			"warn",
+			{ allowConstantExport: true },
+		],
+		"simple-import-sort/imports": "error",
+		"simple-import-sort/exports": "error",
+	},
+};

bundlemon.config.cjs

@@ -1,3 +1,5 @@
+/* eslint-disable no-undef */
+
 module.exports = {
 	reportOutput: ["github"],
 	baseDir: "./packages/bundlesize/dist",
@@ -9,7 +11,7 @@ module.exports = {
 		},
 		{
 			path: "assets/index.js",
-			maxSize: "60kb",
+			maxSize: "10kb",
 		},
 		{
 			path: "assets/style.css",

configuration/eslint-rules/best-practices.cjs

@@ -1,3 +1,5 @@
+/* eslint-disable no-undef */
+
 module.exports = {
 	rules: {
 		// enforce return statements in callbacks of array methods

configuration/eslint-rules/possible-errors.cjs

@@ -1,3 +1,5 @@
+/* eslint-disable no-undef */
+
 module.exports = {
 	rules: {
 		// disallow assignment operators in conditional expressions

configuration/eslint-rules/variables.cjs

@@ -1,3 +1,5 @@
+/* eslint-disable no-undef */
+
 module.exports = {
 	rules: {
 		// disallow catch clause parameters from shadowing variables in the outer scope

configuration/lint-staged.config.cjs

@@ -1,3 +1,5 @@
+/* eslint-disable no-undef */
+
 module.exports = {
 	"*.{ts,js,tsx,jsx}": [
 		"eslint --ext ts,tsx --report-unused-disable-directives --fix",

configuration/vite.common.js

@@ -0,0 +1,9 @@
+export const externalDependencies = [
+	"@floating-ui/react",
+	"@tailwindcss/typography",
+	"react",
+	"react/jsx-runtime",
+	"react-dom",
+	"react-dom/server",
+	"tailwindcss",
+];

packages/bundlesize/vite.config.ts

@@ -1,6 +1,8 @@
 import fs from "fs-extra";
 import { defineConfig } from "vite";
 
+import { externalDependencies } from "../../configuration/vite.common";
+
 const packageJson = fs.readJSONSync("package.json");
 
 const buildTime = new Date()
@@ -23,14 +25,7 @@ export default defineConfig({
 	},
 	build: {
 		rollupOptions: {
-			external: [
-				"@floating-ui/react",
-				"@tailwindcss/typography",
-				"react",
-				"react/jsx-runtime",
-				"react-dom",
-				"tailwindcss",
-			],
+			external: externalDependencies,
 			output: {
 				assetFileNames: "assets/style[extname]",
 				entryFileNames: "assets/[name].js",

packages/ui-components/src/common/constants.ts

@@ -5,5 +5,4 @@ export const TEXT_INPUT_CLASSNAME = "av-text-input";
 export const TEXT_INPUT_WRAPPER_CLASSNAME = "av-text-input-wrapper";
 export const TEXT_INPUT_HELPER_TEXT_CLASSNAME = "av-text-input-helper-text";
 
-export const RAW_CLASSNAME = "av-raw";
 export const VISUALLY_HIDDEN_CLASSNAME = "av-visually-hidden";

packages/ui-components/src/components/TextInput/TextInput.tsx

@@ -1,4 +1,5 @@
 import useUniqueId from "../../common/hooks/useUniqueId";
+import { LiveRegion } from "../private/LiveRegion/LiveRegion";
 import type { TextInputProps } from "./TextInputTypes";
 import { getTextInputClasses } from "./utilities";
 
@@ -24,6 +25,7 @@ export const TextInput = ({
 	...extraProps
 }: TextInputProps) => {
 	const inputId = useUniqueId({ id, prefix: "av-text-input-" });
+	const liveErrorMessage = `${name} error, ${helperText}`;
 	const textInputClassName = getTextInputClasses({
 		className,
 		error,
@@ -53,6 +55,7 @@ export const TextInput = ({
 				placeholder={!raw ? " " : undefined}
 				disabled={disabled}
 				{...(helperText && { "aria-describedby": `${inputId}-helper` })}
+				{...(error && { "aria-invalid": "true" })}
 				className={textInputClassName.input}
 			/>
 			{!raw && (
@@ -70,6 +73,11 @@ export const TextInput = ({
 					{helperText}
 				</div>
 			)}
+			{error && helperText && (
+				<LiveRegion politeness="polite" clearAnnouncementDelay={500}>
+					{liveErrorMessage}
+				</LiveRegion>
+			)}
 		</span>
 	);
 };

packages/ui-components/src/components/TextInput/__tests__/TextInput.test.tsx

@@ -44,7 +44,7 @@ describe("TextInput modifiers", () => {
 	it("should render a raw text input with no styling", async () => {
 		render(<TextInput label="toto" name="toto" raw data-testid="txtnpt-1" />);
 		const input = await screen.findByTestId("txtnpt-1");
-		expect(input.className).toBe("av-raw");
+		expect(input.className).toBe("");
 	});
 });
 
@@ -74,3 +74,42 @@ describe("TextInput methods", () => {
 		expect(spyOnChange).toHaveBeenCalledTimes(2);
 	});
 });
+
+describe("TextInput accessibility", () => {
+	it("should render a text input with an error message", async () => {
+		render(
+			<TextInput
+				error
+				helperText="error message"
+				label="hello world"
+				name="toto"
+			/>,
+		);
+		const errorMessage = await screen.findByText("error message");
+		expect(errorMessage.className).toContain("text-copy-error-dark");
+
+		const input = await screen.findByLabelText("hello world");
+		expect(input.getAttribute("aria-invalid")).toBe("true");
+		expect(input.getAttribute("aria-describedby")).toContain("av-text-input-");
+		expect(input.getAttribute("aria-describedby")).toContain("-helper");
+	});
+
+	it("should render a text input with a live region update", () => {
+		vi.useFakeTimers();
+		const clearTimeout = 500;
+
+		render(
+			<TextInput
+				error
+				helperText="error message"
+				label="hello world"
+				name="toto"
+			/>,
+		);
+		const liveRegion = screen.getByText("toto error, error message");
+		expect(liveRegion.getAttribute("aria-live")).toBe("polite");
+		expect(liveRegion.textContent).toBe("toto error, error message");
+		vi.advanceTimersByTime(clearTimeout);
+		expect(liveRegion.textContent).toBe("");
+	});
+});

packages/ui-components/src/components/TextInput/utilities.ts

@@ -1,7 +1,6 @@
 import clsx from "clsx";
 
 import {
-	RAW_CLASSNAME,
 	TEXT_INPUT_CLASSNAME,
 	TEXT_INPUT_HELPER_TEXT_CLASSNAME,
 	TEXT_INPUT_WRAPPER_CLASSNAME,
@@ -67,11 +66,13 @@ const getTextInputLabelClasses = (
 		  });
 };
 
-const getTextInputHelperTextClasses = (error: boolean) => {
-	return clsx(TEXT_INPUT_HELPER_TEXT_CLASSNAME, "text-xs", {
-		"text-copy-error-dark": error,
-		"text-copy-medium": !error,
-	});
+const getTextInputHelperTextClasses = (error: boolean, raw: boolean) => {
+	return raw
+		? undefined
+		: clsx(TEXT_INPUT_HELPER_TEXT_CLASSNAME, "text-xs", {
+				"text-copy-error-dark": error,
+				"text-copy-medium": !error,
+		  });
 };
 
 export const getTextInputClasses = ({
@@ -86,13 +87,13 @@ export const getTextInputClasses = ({
 	error,
 }: getTextInputClassesProps) => {
 	const wrapper = raw
-		? clsx(RAW_CLASSNAME)
+		? undefined
 		: clsx(TEXT_INPUT_WRAPPER_CLASSNAME, {
 				"w-full": fullWidth,
 		  });
 
 	const input = raw
-		? clsx(RAW_CLASSNAME, className)
+		? className
 		: clsx(
 				TEXT_INPUT_CLASSNAME,
 				className,
@@ -106,11 +107,11 @@ export const getTextInputClasses = ({
 				},
 		  );
 
-	const topLabel = raw ? "" : VISUALLY_HIDDEN_CLASSNAME;
+	const topLabel = raw ? undefined : VISUALLY_HIDDEN_CLASSNAME;
 
 	const bottomLabel = getTextInputLabelClasses(kind, disabled, raw);
 
-	const helperText = getTextInputHelperTextClasses(error);
+	const helperText = getTextInputHelperTextClasses(error, raw);
 
 	return {
 		wrapper,

packages/ui-components/vite.config.ts

@@ -3,6 +3,8 @@ import { resolve } from "node:path";
 import fs from "fs-extra";
 import { defineConfig } from "vite";
 
+import { externalDependencies } from "../../configuration/vite.common";
+
 const packageJson = fs.readJSONSync("package.json");
 
 const buildTime = new Date()
@@ -27,13 +29,7 @@ export default defineConfig({
 			fileName: (format) => `index.${format}.js`,
 		},
 		rollupOptions: {
-			external: [
-				"@floating-ui/react",
-				"@tailwindcss/typography",
-				"react",
-				"react/jsx-runtime",
-				"tailwindcss",
-			],
+			external: externalDependencies,
 			output: {
 				assetFileNames: "style[extname]",
 				entryFileNames: "[name].js",