chore: Migrate ByRole to TypeScript

package.json

@@ -90,6 +90,7 @@
  "@typescript-eslint/prefer-optional-chain": "off",
  "@typescript-eslint/no-explicit-any": "off",
  "@typescript-eslint/no-unsafe-member-access": "off",
+ "@typescript-eslint/no-unnecessary-boolean-literal-compare": "off",
  "@typescript-eslint/prefer-includes": "off",
  "import/prefer-default-export": "off",
  "import/no-unassigned-import": "off",

src/queries/role.js → src/queries/role.ts

@@ -2,7 +2,11 @@ import {
  computeAccessibleDescription,
  computeAccessibleName,
 } from 'dom-accessibility-api'
-import {roles as allRoles, roleElements} from 'aria-query'
+import {
+ roles as allRoles,
+ roleElements,
+ ARIARoleDefinitionKey,
+} from 'aria-query'
 import {
  computeAriaSelected,
  computeAriaChecked,
@@ -17,6 +21,17 @@ import {
 } from '../role-helpers'
 import {wrapAllByQueryWithSuggestion} from '../query-helpers'
 import {checkContainerType} from '../helpers'
+import {
+ AllByRole,
+ ByRoleMatcher,
+ ByRoleOptions,
+ GetErrorFunction,
+ Matcher,
+ MatcherFunction,
+ MatcherOptions,
+ NormalizerFn,
+} from '../../types'
+
 import {
  buildQueries,
  fuzzyMatches,
@@ -25,7 +40,7 @@ import {
  matches,
 } from './all-utils'
 
-function queryAllByRole(
+const queryAllByRole: AllByRole = (
  container,
  role,
  {
@@ -44,28 +59,37 @@ function queryAllByRole(
  level,
  expanded,
  } = {},
-) {
+) => {
  checkContainerType(container)
  const matcher = exact ? matches : fuzzyMatches
  const matchNormalizer = makeNormalizer({collapseWhitespace, trim, normalizer})
 
  if (selected !== undefined) {
  // guard against unknown roles
- if (allRoles.get(role)?.props['aria-selected'] === undefined) {
+ if (
+ allRoles.get(role as ARIARoleDefinitionKey)?.props['aria-selected'] ===
+ undefined
+ ) {
  throw new Error(`"aria-selected" is not supported on role "${role}".`)
  }
  }
 
  if (checked !== undefined) {
  // guard against unknown roles
- if (allRoles.get(role)?.props['aria-checked'] === undefined) {
+ if (
+ allRoles.get(role as ARIARoleDefinitionKey)?.props['aria-checked'] ===
+ undefined
+ ) {
  throw new Error(`"aria-checked" is not supported on role "${role}".`)
  }
  }
 
  if (pressed !== undefined) {
  // guard against unknown roles
- if (allRoles.get(role)?.props['aria-pressed'] === undefined) {
+ if (
+ allRoles.get(role as ARIARoleDefinitionKey)?.props['aria-pressed'] ===
+ undefined
+ ) {
  throw new Error(`"aria-pressed" is not supported on role "${role}".`)
  }
  }
@@ -75,7 +99,10 @@ function queryAllByRole(
  // guard against unknown roles
  // All currently released ARIA versions support `aria-current` on all roles.
  // Leaving this for symetry and forward compatibility
- if (allRoles.get(role)?.props['aria-current'] === undefined) {
+ if (
+ allRoles.get(role as ARIARoleDefinitionKey)?.props['aria-current'] ===
+ undefined
+ ) {
  throw new Error(`"aria-current" is not supported on role "${role}".`)
  }
  }
@@ -89,22 +116,25 @@ function queryAllByRole(
 
  if (expanded !== undefined) {
  // guard against unknown roles
- if (allRoles.get(role)?.props['aria-expanded'] === undefined) {
+ if (
+ allRoles.get(role as ARIARoleDefinitionKey)?.props['aria-expanded'] ===
+ undefined
+ ) {
  throw new Error(`"aria-expanded" is not supported on role "${role}".`)
  }
  }
 
- const subtreeIsInaccessibleCache = new WeakMap()
- function cachedIsSubtreeInaccessible(element) {
+ const subtreeIsInaccessibleCache = new WeakMap<Element, Boolean>()
+ function cachedIsSubtreeInaccessible(element: Element) {
  if (!subtreeIsInaccessibleCache.has(element)) {
  subtreeIsInaccessibleCache.set(element, isSubtreeInaccessible(element))
  }
 
- return subtreeIsInaccessibleCache.get(element)
+ return subtreeIsInaccessibleCache.get(element) as boolean
  }
 
  return Array.from(
- container.querySelectorAll(
+ container.querySelectorAll<HTMLElement>(
  // Only query elements that can be matched by the following filters
  makeRoleSelector(role, exact, normalizer ? matchNormalizer : undefined),
  ),
@@ -113,26 +143,26 @@ function queryAllByRole(
  const isRoleSpecifiedExplicitly = node.hasAttribute('role')
 
  if (isRoleSpecifiedExplicitly) {
- const roleValue = node.getAttribute('role')
+ const roleValue = node.getAttribute('role') as string
  if (queryFallbacks) {
  return roleValue
  .split(' ')
  .filter(Boolean)
- .some(text => matcher(text, node, role, matchNormalizer))
+ .some(text => matcher(text, node, role as Matcher, matchNormalizer))
  }
  // if a custom normalizer is passed then let normalizer handle the role value
  if (normalizer) {
- return matcher(roleValue, node, role, matchNormalizer)
+ return matcher(roleValue, node, role as Matcher, matchNormalizer)
  }
  // other wise only send the first word to match
  const [firstWord] = roleValue.split(' ')
- return matcher(firstWord, node, role, matchNormalizer)
+ return matcher(firstWord, node, role as Matcher, matchNormalizer)
  }
 
- const implicitRoles = getImplicitAriaRoles(node)
+ const implicitRoles = getImplicitAriaRoles(node) as string[]
 
  return implicitRoles.some(implicitRole =>
- matcher(implicitRole, node, role, matchNormalizer),
+ matcher(implicitRole, node, role as Matcher, matchNormalizer),
  )
  })
  .filter(element => {
@@ -169,7 +199,7 @@ function queryAllByRole(
  getConfig().computedStyleSupportsPseudoElements,
  }),
  element,
- name,
+ name as MatcherFunction,
  text => text,
  )
  })
@@ -185,7 +215,7 @@ function queryAllByRole(
  getConfig().computedStyleSupportsPseudoElements,
  }),
  element,
- description,
+ description as Matcher,
  text => text,
  )
  })
@@ -198,7 +228,11 @@ function queryAllByRole(
  })
 }
 
-function makeRoleSelector(role, exact, customNormalizer) {
+function makeRoleSelector(
+ role: ByRoleMatcher,
+ exact: boolean,
+ customNormalizer?: NormalizerFn,
+) {
  if (typeof role !== 'string') {
  // For non-string role parameters we can not determine the implicitRoleSelectors.
  return '*'
@@ -207,7 +241,8 @@ function makeRoleSelector(role, exact, customNormalizer) {
  const explicitRoleSelector =
  exact && !customNormalizer ? `*[role~="${role}"]` : '*[role]'
 
- const roleRelations = roleElements.get(role) ?? new Set()
+ const roleRelations =
+ roleElements.get(role as ARIARoleDefinitionKey) ?? new Set()
  const implicitRoleSelectors = new Set(
  Array.from(roleRelations).map(({name}) => name),
  )
@@ -220,7 +255,7 @@ function makeRoleSelector(role, exact, customNormalizer) {
  .join(',')
 }
 
-const getNameHint = name => {
+const getNameHint = (name: ByRoleOptions['name']): string => {
  let nameHint = ''
  if (name === undefined) {
  nameHint = ''
@@ -233,11 +268,15 @@ const getNameHint = name => {
  return nameHint
 }
 
-const getMultipleError = (c, role, {name} = {}) => {
+const getMultipleError: GetErrorFunction<
+ [matcher: ByRoleMatcher, options: ByRoleOptions]
+> = (c, role, {name} = {}) => {
  return `Found multiple elements with the role "${role}"${getNameHint(name)}`
 }
 
-const getMissingError = (
+const getMissingError: GetErrorFunction<
+ [matcher: ByRoleMatcher, options: ByRoleOptions]
+> = (
  container,
  role,
  {hidden = getConfig().defaultHidden, name, description} = {},
@@ -247,7 +286,7 @@ const getMissingError = (
  }
 
  let roles = ''
- Array.from(container.children).forEach(childElement => {
+ Array.from((container as Element).children).forEach(childElement => {
  roles += prettyRoles(childElement, {
  hidden,
  includeDescription: description !== undefined,
@@ -297,11 +336,10 @@ Unable to find an ${
 
 ${roleMessage}`.trim()
 }
-const queryAllByRoleWithSuggestions = wrapAllByQueryWithSuggestion(
- queryAllByRole,
- queryAllByRole.name,
- 'queryAll',
-)
+const queryAllByRoleWithSuggestions = wrapAllByQueryWithSuggestion<
+ // @ts-expect-error -- See `wrapAllByQueryWithSuggestion` Argument constraint comment
+ [labelText: Matcher, options?: MatcherOptions]
+>(queryAllByRole, queryAllByRole.name, 'queryAll')
 const [queryByRole, getAllByRole, getByRole, findAllByRole, findByRole] =
  buildQueries(queryAllByRole, getMultipleError, getMissingError)
 

src/query-helpers.ts

@@ -117,16 +117,16 @@ function makeGetAllQuery<Arguments extends unknown[]>(
 
 // this accepts a getter query function and returns a function which calls
 // waitFor and passing a function which invokes the getter.
-function makeFindQuery<QueryFor>(
+function makeFindQuery<QueryFor, QueryMatcher>(
  getter: (
  container: HTMLElement,
- text: Matcher,
+ text: QueryMatcher,
  options: MatcherOptions,
  ) => QueryFor,
 ) {
  return (
  container: HTMLElement,
- text: Matcher,
+ text: QueryMatcher,
  options: MatcherOptions,
  waitForOptions: WaitForOptions,
  ) => {
@@ -209,16 +209,16 @@ const wrapAllByQueryWithSuggestion =
 // TODO: This deviates from the published declarations
 // However, the implementation always required a dyadic (after `container`) not variadic `queryAllBy` considering the implementation of `makeFindQuery`
 // This is at least statically true and can be verified by accepting `QueryMethod<Arguments, HTMLElement[]>`
-function buildQueries(
+function buildQueries<QueryMatcher>(
  queryAllBy: QueryMethod<
- [matcher: Matcher, options: MatcherOptions],
+ [matcher: QueryMatcher, options: MatcherOptions],
  HTMLElement[]
  >,
  getMultipleError: GetErrorFunction<
- [matcher: Matcher, options: MatcherOptions]
+ [matcher: QueryMatcher, options: MatcherOptions]
  >,
  getMissingError: GetErrorFunction<
- [matcher: Matcher, options: MatcherOptions]
+ [matcher: QueryMatcher, options: MatcherOptions]
  >,
 ) {
  const queryBy = wrapSingleQueryWithSuggestion(

types/__tests__/type-tests.ts

@@ -182,7 +182,6 @@ export async function testByRole() {
  }) === null,
  )
 
- // allow to query for a role that isn't included in the types
  console.assert(queryByRole(element, 'foo') === null)
  console.assert(queryByRole(element, /foo/) === null)
  console.assert(screen.queryByRole('foo') === null)