37 lines
3.1 KiB
JavaScript
37 lines
3.1 KiB
JavaScript
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"use strict";
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exports.__esModule = true;
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exports.computeAccessibleDescription = computeAccessibleDescription;
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var _accessibleNameAndDescription = require("./accessible-name-and-description");
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var _util = require("./util");
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function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
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function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
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function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
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function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
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/**
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* @param root
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* @param options
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* @returns
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*/
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function computeAccessibleDescription(root) {
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var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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var description = (0, _util.queryIdRefs)(root, "aria-describedby").map(function (element) {
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return (0, _accessibleNameAndDescription.computeTextAlternative)(element, _objectSpread(_objectSpread({}, options), {}, {
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compute: "description"
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}));
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}).join(" ");
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// TODO: Technically we need to make sure that node wasn't used for the accessible name
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// This causes `description_1.0_combobox-focusable-manual` to fail
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//
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// https://www.w3.org/TR/html-aam-1.0/#accessible-name-and-description-computation
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// says for so many elements to use the `title` that we assume all elements are considered
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if (description === "") {
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var title = root.getAttribute("title");
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description = title === null ? "" : title;
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}
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return description;
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}
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//# sourceMappingURL=accessible-description.js.map
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