136 lines
6.6 KiB
Plaintext
136 lines
6.6 KiB
Plaintext
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
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var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
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var _ariaQuery = require("aria-query");
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var _axobjectQuery = require("axobject-query");
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var _arrayIncludes = _interopRequireDefault(require("array-includes"));
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var _arrayPrototype = _interopRequireDefault(require("array.prototype.flatmap"));
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var _Iterator = _interopRequireDefault(require("es-iterator-helpers/Iterator.from"));
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var _IteratorPrototype = _interopRequireDefault(require("es-iterator-helpers/Iterator.prototype.filter"));
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var _IteratorPrototype2 = _interopRequireDefault(require("es-iterator-helpers/Iterator.prototype.some"));
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var _attributesComparator = _interopRequireDefault(require("./attributesComparator"));
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// import iterFlatMap from 'es-iterator-helpers/Iterator.prototype.flatMap';
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var roleKeys = (0, _toConsumableArray2["default"])(_ariaQuery.roles.keys());
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var elementRoleEntries = (0, _toConsumableArray2["default"])(_ariaQuery.elementRoles);
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var nonInteractiveRoles = new Set(roleKeys.filter(function (name) {
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var role = _ariaQuery.roles.get(name);
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return !role["abstract"]
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// 'toolbar' does not descend from widget, but it does support
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// aria-activedescendant, thus in practice we treat it as a widget.
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&& name !== 'toolbar'
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// This role is meant to have no semantic value.
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// @see https://www.w3.org/TR/wai-aria-1.2/#generic
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&& name !== 'generic'
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// Whereas ARIA makes a distinction between cell and gridcell, the AXObject
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// treats them both as CellRole and since gridcell is interactive, we consider
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// cell interactive as well.
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&& name !== 'cell' && !role.superClass.some(function (classes) {
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return (0, _arrayIncludes["default"])(classes, 'widget');
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});
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}).concat(
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// The `progressbar` is descended from `widget`, but in practice, its
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// value is always `readonly`, so we treat it as a non-interactive role.
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'progressbar'));
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var interactiveRoles = new Set(roleKeys.filter(function (name) {
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var role = _ariaQuery.roles.get(name);
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return !role["abstract"]
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// The `progressbar` is descended from `widget`, but in practice, its
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// value is always `readonly`, so we treat it as a non-interactive role.
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&& name !== 'progressbar'
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// This role is meant to have no semantic value.
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// @see https://www.w3.org/TR/wai-aria-1.2/#generic
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&& name !== 'generic' && role.superClass.some(function (classes) {
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return (0, _arrayIncludes["default"])(classes, 'widget');
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});
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}).concat(
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// 'toolbar' does not descend from widget, but it does support
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// aria-activedescendant, thus in practice we treat it as a widget.
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'toolbar'));
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// TODO: convert to use iterFlatMap and iterFrom
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var interactiveElementRoleSchemas = (0, _arrayPrototype["default"])(elementRoleEntries, function (_ref) {
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var _ref2 = (0, _slicedToArray2["default"])(_ref, 2),
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elementSchema = _ref2[0],
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rolesArr = _ref2[1];
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return rolesArr.some(function (role) {
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return interactiveRoles.has(role);
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}) ? [elementSchema] : [];
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});
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// TODO: convert to use iterFlatMap and iterFrom
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var nonInteractiveElementRoleSchemas = (0, _arrayPrototype["default"])(elementRoleEntries, function (_ref3) {
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var _ref4 = (0, _slicedToArray2["default"])(_ref3, 2),
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elementSchema = _ref4[0],
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rolesArr = _ref4[1];
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return rolesArr.every(function (role) {
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return nonInteractiveRoles.has(role);
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}) ? [elementSchema] : [];
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});
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var nonInteractiveAXObjects = new Set((0, _IteratorPrototype["default"])((0, _Iterator["default"])(_axobjectQuery.AXObjects.keys()), function (name) {
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return (0, _arrayIncludes["default"])(['window', 'structure'], _axobjectQuery.AXObjects.get(name).type);
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}));
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// TODO: convert to use iterFlatMap and iterFrom
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var nonInteractiveElementAXObjectSchemas = (0, _arrayPrototype["default"])((0, _toConsumableArray2["default"])(_axobjectQuery.elementAXObjects), function (_ref5) {
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var _ref6 = (0, _slicedToArray2["default"])(_ref5, 2),
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elementSchema = _ref6[0],
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AXObjectsArr = _ref6[1];
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return AXObjectsArr.every(function (role) {
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return nonInteractiveAXObjects.has(role);
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}) ? [elementSchema] : [];
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});
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function checkIsNonInteractiveElement(tagName, attributes) {
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function elementSchemaMatcher(elementSchema) {
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return tagName === elementSchema.name && (0, _attributesComparator["default"])(elementSchema.attributes, attributes);
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}
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// Check in elementRoles for inherent non-interactive role associations for
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// this element.
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var isInherentNonInteractiveElement = (0, _IteratorPrototype2["default"])((0, _Iterator["default"])(nonInteractiveElementRoleSchemas), elementSchemaMatcher);
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if (isInherentNonInteractiveElement) {
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return true;
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}
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// Check in elementRoles for inherent interactive role associations for
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// this element.
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var isInherentInteractiveElement = (0, _IteratorPrototype2["default"])((0, _Iterator["default"])(interactiveElementRoleSchemas), elementSchemaMatcher);
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if (isInherentInteractiveElement) {
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return false;
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}
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// Check in elementAXObjects for AX Tree associations for this element.
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var isNonInteractiveAXElement = (0, _IteratorPrototype2["default"])((0, _Iterator["default"])(nonInteractiveElementAXObjectSchemas), elementSchemaMatcher);
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if (isNonInteractiveAXElement) {
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return true;
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}
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return false;
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}
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/**
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* Returns boolean indicating whether the given element is a non-interactive
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* element. If the element has either a non-interactive role assigned or it
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* is an element with an inherently non-interactive role, then this utility
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* returns true. Elements that lack either an explicitly assigned role or
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* an inherent role are not considered. For those, this utility returns false
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* because a positive determination of interactiveness cannot be determined.
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*/
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var isNonInteractiveElement = function isNonInteractiveElement(tagName, attributes) {
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// Do not test higher level JSX components, as we do not know what
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// low-level DOM element this maps to.
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if (!_ariaQuery.dom.has(tagName)) {
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return false;
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}
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// <header> elements do not technically have semantics, unless the
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// element is a direct descendant of <body>, and this plugin cannot
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// reliably test that.
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// @see https://www.w3.org/TR/wai-aria-practices/examples/landmarks/banner.html
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if (tagName === 'header') {
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return false;
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}
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return checkIsNonInteractiveElement(tagName, attributes);
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};
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var _default = exports["default"] = isNonInteractiveElement;
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module.exports = exports.default; |