dom-accessibility-api - npm Package Compare versions

Comparing version 0.3.0 to 0.4.0

dist/core-js-pure.d.js

+"use strict";
+//# sourceMappingURL=core-js-pure.d.js.map

dist/core-js-pure.d.js.map

+{"version":3,"sources":[],"names":[],"mappings":"","sourcesContent":[],"file":"core-js-pure.d.js"}

CHANGELOG.md

@@ -0,1 +1,11 @@
+## 0.4.0
+
+### Minor Changes
+
+- [`e80a1fb`](https://github.com/eps1lon/dom-accessibility-api/commit/e80a1fb32c136539a46007a64ef8c998855080a1) [#141](https://github.com/eps1lon/dom-accessibility-api/pull/141) Thanks [@eps1lon](https://github.com/eps1lon)! - Support ES5 environments
+
+### Patch Changes
+
+- [`bd41c2d`](https://github.com/eps1lon/dom-accessibility-api/commit/bd41c2d3dec9c27e178b65bbe226d3c7adef0678) [#143](https://github.com/eps1lon/dom-accessibility-api/pull/143) Thanks [@eps1lon](https://github.com/eps1lon)! - fix: support `<label for>` for `<select>` and `<textarea>`
+
 ## 0.3.0
@@ -2,0 +12,0 @@

dist/accessible-name.d.ts

 /**
- * implements https://w3c.github.io/accname/
- */
-/**
  * interface for an options-bag where `window.getComputedStyle` can be mocked
@@ -6,0 +3,0 @@ */

dist/accessible-name.d.ts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"accessible-name.d.ts","sourceRoot":"","sources":["../sources/accessible-name.ts"],"names":[],"mappings":"AAAA;;GAEG;AAkBH;;GAEG;AACH,UAAU,uBAAuB;IAChC,gBAAgB,CAAC,EAAE,OAAO,MAAM,CAAC,gBAAgB,CAAC;CAClD;AAiQD;;;;;GAKG;AACH,wBAAgB,qBAAqB,CACpC,IAAI,EAAE,OAAO,EACb,OAAO,GAAE,uBAA4B,GACnC,MAAM,CA0QR"}
+{"version":3,"file":"accessible-name.d.ts","sourceRoot":"","sources":["../sources/accessible-name.ts"],"names":[],"mappings":"AAqBA;;GAEG;AACH,UAAU,uBAAuB;IAChC,gBAAgB,CAAC,EAAE,OAAO,MAAM,CAAC,gBAAgB,CAAC;CAClD;AAkQD;;;;;GAKG;AACH,wBAAgB,qBAAqB,CACpC,IAAI,EAAE,OAAO,EACb,OAAO,GAAE,uBAA4B,GACnC,MAAM,CAuQR"}

dist/accessible-name.js

 "use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.computeAccessibleName = computeAccessibleName;
+
+var _from = _interopRequireDefault(require("core-js-pure/features/array/from"));
+
+var _set = _interopRequireDefault(require("core-js-pure/stable/set"));
+
+var _getRole = _interopRequireDefault(require("./getRole"));
+
+var _util = require("./util");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
+
+function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
+
 /**
- * implements https://w3c.github.io/accname/
- */
-var __importDefault = (this && this.__importDefault) || function (mod) {
-    return (mod && mod.__esModule) ? mod : { "default": mod };
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-const getRole_1 = __importDefault(require("./getRole"));
-const util_1 = require("./util");
-/**
  * Small utility that handles all the JS quirks with `this` which is important
@@ -18,9 +33,6 @@ * if no mock is provided.
 function createGetComputedStyle(element, options) {
-    const window = util_1.safeWindow(element);
-    const { 
-    // This might be overengineered. I don't know what happens if I call
-    // window.getComputedStyle(elementFromAnotherWindow) or if I don't bind it
-    // the type declarations don't require a `this`
-    getComputedStyle = window.getComputedStyle.bind(window) } = options;
-    return getComputedStyle;
+  var window = (0, _util.safeWindow)(element);
+  var _options$getComputedS = options.getComputedStyle,
+      getComputedStyle = _options$getComputedS === void 0 ? window.getComputedStyle.bind(window) : _options$getComputedS;
+  return getComputedStyle;
 }
@@ -32,4 +44,6 @@ /**
  */
+
+
 function asFlatString(s) {
-    return s.trim().replace(/\s\s+/g, " ");
+  return s.trim().replace(/\s\s+/g, " ");
 }
@@ -39,16 +53,6 @@ /**
  */
+
+
 function prohibitsNaming(node) {
-    return hasAnyConcreteRoles(node, [
-        "caption",
-        "code",
-        "deletion",
-        "emphasis",
-        "generic",
-        "insertion",
-        "paragraph",
-        "presentation",
-        "strong",
-        "subscript",
-        "superscript"
-    ]);
+  return hasAnyConcreteRoles(node, ["caption", "code", "deletion", "emphasis", "generic", "insertion", "paragraph", "presentation", "strong", "subscript", "superscript"]);
 }
@@ -61,13 +65,15 @@ /**
  */
+
+
 function isHidden(node, options) {
-    if (!util_1.isElement(node)) {
-        return false;
-    }
-    if (node.hasAttribute("hidden") ||
-        node.getAttribute("aria-hidden") === "true") {
-        return true;
-    }
-    const style = createGetComputedStyle(node, options)(node);
-    return (style.getPropertyValue("display") === "none" ||
-        style.getPropertyValue("visibility") === "hidden");
+  if (!(0, _util.isElement)(node)) {
+    return false;
+  }
+
+  if (node.hasAttribute("hidden") || node.getAttribute("aria-hidden") === "true") {
+    return true;
+  }
+
+  var style = createGetComputedStyle(node, options)(node);
+  return style.getPropertyValue("display") === "none" || style.getPropertyValue("visibility") === "hidden";
 }
@@ -80,16 +86,20 @@ /**
  */
+
+
 function idRefs(node, attributeName) {
-    if (util_1.isElement(node) && node.hasAttribute(attributeName)) {
-        // safe due to hasAttribute check
-        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        const ids = node.getAttribute(attributeName).split(" ");
-        return ids
-            // safe since it can't be null for an Element
-            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-            .map(id => node.ownerDocument.getElementById(id))
-            .filter((element) => element !== null
-        // TODO: why does this not narrow?
-        );
-    }
-    return [];
+  if ((0, _util.isElement)(node) && node.hasAttribute(attributeName)) {
+    // safe due to hasAttribute check
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    var ids = node.getAttribute(attributeName).split(" ");
+    return ids // safe since it can't be null for an Element
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    .map(function (id) {
+      return node.ownerDocument.getElementById(id);
+    }).filter(function (element) {
+      return element !== null;
+    } // TODO: why does this not narrow?
+    );
+  }
+
+  return [];
 }
@@ -101,4 +111,6 @@ /**
  */
+
+
 function queryChildNodes(node) {
-    return Array.from(node.childNodes).concat(idRefs(node, "aria-owns"));
+  return (0, _from.default)(node.childNodes).concat(idRefs(node, "aria-owns"));
 }
@@ -109,28 +121,28 @@ /**
  */
+
+
 function isControl(node) {
-    return (hasAnyConcreteRoles(node, ["button", "combobox", "listbox", "textbox"]) ||
-        hasAbstractRole(node, "range"));
+  return hasAnyConcreteRoles(node, ["button", "combobox", "listbox", "textbox"]) || hasAbstractRole(node, "range");
 }
+
 function hasAbstractRole(node, role) {
-    if (!util_1.isElement(node)) {
-        return false;
-    }
-    switch (role) {
-        case "range":
-            return hasAnyConcreteRoles(node, [
-                "meter",
-                "progressbar",
-                "scrollbar",
-                "slider",
-                "spinbutton"
-            ]);
-        default:
-            throw new TypeError(`No knowledge about abstract role '${role}'. This is likely a bug :(`);
-    }
+  if (!(0, _util.isElement)(node)) {
+    return false;
+  }
+
+  switch (role) {
+    case "range":
+      return hasAnyConcreteRoles(node, ["meter", "progressbar", "scrollbar", "slider", "spinbutton"]);
+
+    default:
+      throw new TypeError("No knowledge about abstract role '".concat(role, "'. This is likely a bug :("));
+  }
 }
+
 function hasAnyConcreteRoles(node, roles) {
-    if (util_1.isElement(node)) {
-        return roles.indexOf(getRole_1.default(node)) !== -1;
-    }
-    return false;
+  if ((0, _util.isElement)(node)) {
+    return roles.indexOf((0, _getRole.default)(node)) !== -1;
+  }
+
+  return false;
 }
@@ -142,24 +154,34 @@ /**
  */
+
+
 function querySelectorAllSubtree(element, selectors) {
-    const elements = [];
-    for (const root of [element, ...idRefs(element, "aria-owns")]) {
-        elements.push(...Array.from(root.querySelectorAll(selectors)));
-    }
-    return elements;
+  var elements = [];
+
+  for (var _i = 0, _arr = [element].concat(_toConsumableArray(idRefs(element, "aria-owns"))); _i < _arr.length; _i++) {
+    var root = _arr[_i];
+    elements.push.apply(elements, _toConsumableArray((0, _from.default)(root.querySelectorAll(selectors))));
+  }
+
+  return elements;
 }
+
 function querySelectedOptions(listbox) {
-    if (util_1.isHTMLSelectElement(listbox)) {
-        // IE11 polyfill
-        return (listbox.selectedOptions || querySelectorAllSubtree(listbox, "[selected]"));
-    }
-    return querySelectorAllSubtree(listbox, '[aria-selected="true"]');
+  if ((0, _util.isHTMLSelectElement)(listbox)) {
+    // IE11 polyfill
+    return listbox.selectedOptions || querySelectorAllSubtree(listbox, "[selected]");
+  }
+
+  return querySelectorAllSubtree(listbox, '[aria-selected="true"]');
 }
+
 function isMarkedPresentational(node) {
-    return hasAnyConcreteRoles(node, ["none", "presentation"]);
+  return hasAnyConcreteRoles(node, ["none", "presentation"]);
 }
 /**
- * TODO
+ * TODO https://github.com/eps1lon/dom-accessibility-api/issues/99
  */
+
+
 function isNativeHostLanguageTextAlternativeElement(node) {
-    return false;
+  return false;
 }
@@ -169,51 +191,41 @@ /**
  */
+
+
 function allowsNameFromContent(node) {
-    return hasAnyConcreteRoles(node, [
-        "button",
-        "cell",
-        "checkbox",
-        "columnheader",
-        "gridcell",
-        "heading",
-        "label",
-        "legend",
-        "link",
-        "menuitem",
-        "menuitemcheckbox",
-        "menuitemradio",
-        "option",
-        "radio",
-        "row",
-        "rowheader",
-        "switch",
-        "tab",
-        "tooltip",
-        "treeitem"
-    ]);
+  return hasAnyConcreteRoles(node, ["button", "cell", "checkbox", "columnheader", "gridcell", "heading", "label", "legend", "link", "menuitem", "menuitemcheckbox", "menuitemradio", "option", "radio", "row", "rowheader", "switch", "tab", "tooltip", "treeitem"]);
 }
 /**
- * TODO
+ * TODO https://github.com/eps1lon/dom-accessibility-api/issues/100
  */
+
+
 function isDescendantOfNativeHostLanguageTextAlternativeElement(node) {
-    return false;
+  return false;
 }
 /**
- * TODO
+ * TODO https://github.com/eps1lon/dom-accessibility-api/issues/101
  */
+
+
 function computeTooltipAttributeValue(node) {
-    return null;
+  return null;
 }
+
 function getValueOfTextbox(element) {
-    if (util_1.isHTMLInputElement(element) || util_1.isHTMLTextAreaElement(element)) {
-        return element.value;
-    }
-    // https://github.com/eps1lon/dom-accessibility-api/issues/4
-    return element.textContent || "";
+  if ((0, _util.isHTMLInputElement)(element) || (0, _util.isHTMLTextAreaElement)(element)) {
+    return element.value;
+  } // https://github.com/eps1lon/dom-accessibility-api/issues/4
+
+
+  return element.textContent || "";
 }
+
 function getTextualContent(declaration) {
-    const content = declaration.getPropertyValue("content");
-    if (/^["'].*["']$/.test(content)) {
-        return content.slice(1, -1);
-    }
-    return "";
+  var content = declaration.getPropertyValue("content");
+
+  if (/^["'].*["']$/.test(content)) {
+    return content.slice(1, -1);
+  }
+
+  return "";
 }
@@ -226,219 +238,273 @@ /**
  */
-function computeAccessibleName(root, options = {}) {
-    const consultedNodes = new Set();
-    if (prohibitsNaming(root)) {
-        return "";
+
+
+function computeAccessibleName(root) {
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  var consultedNodes = new _set.default();
+
+  if (prohibitsNaming(root)) {
+    return "";
+  } // 2F.i
+
+
+  function computeMiscTextAlternative(node, context) {
+    var accumulatedText = "";
+
+    if ((0, _util.isElement)(node)) {
+      var pseudoBefore = createGetComputedStyle(node, options)(node, "::before");
+      var beforeContent = getTextualContent(pseudoBefore);
+      accumulatedText = "".concat(beforeContent, " ").concat(accumulatedText);
     }
-    // 2F.i
-    function computeMiscTextAlternative(node, context) {
-        let accumulatedText = "";
-        if (util_1.isElement(node)) {
-            const pseudoBefore = createGetComputedStyle(node, options)(node, "::before");
-            const beforeContent = getTextualContent(pseudoBefore);
-            accumulatedText = `${beforeContent} ${accumulatedText}`;
+
+    var _iteratorNormalCompletion = true;
+    var _didIteratorError = false;
+    var _iteratorError = undefined;
+
+    try {
+      for (var _iterator = queryChildNodes(node)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+        var child = _step.value;
+        var result = computeTextAlternative(child, {
+          isEmbeddedInLabel: context.isEmbeddedInLabel,
+          isReferenced: false,
+          recursion: true
+        }); // TODO: Unclear why display affects delimiter
+
+        var display = (0, _util.isElement)(node) && createGetComputedStyle(node, options)(node).getPropertyValue("display");
+        var separator = display !== "inline" ? " " : "";
+        accumulatedText += "".concat(separator).concat(result);
+      }
+    } catch (err) {
+      _didIteratorError = true;
+      _iteratorError = err;
+    } finally {
+      try {
+        if (!_iteratorNormalCompletion && _iterator.return != null) {
+          _iterator.return();
         }
-        for (const child of queryChildNodes(node)) {
-            const result = computeTextAlternative(child, {
-                isEmbeddedInLabel: context.isEmbeddedInLabel,
-                isReferenced: false,
-                recursion: true
-            });
-            // TODO: Unclear why display affects delimiter
-            const display = util_1.isElement(node) &&
-                createGetComputedStyle(node, options)(node).getPropertyValue("display");
-            const separator = display !== "inline" ? " " : "";
-            accumulatedText += `${separator}${result}`;
+      } finally {
+        if (_didIteratorError) {
+          throw _iteratorError;
         }
-        if (util_1.isElement(node)) {
-            const pseudoAfter = createGetComputedStyle(node, options)(node, ":after");
-            const afterContent = getTextualContent(pseudoAfter);
-            accumulatedText = `${accumulatedText} ${afterContent}`;
-        }
-        return accumulatedText;
+      }
     }
-    /**
-     * TODO: placeholder
-     */
-    function computeAttributeTextAlternative(node) {
-        if (!util_1.isElement(node)) {
-            return null;
-        }
-        const titleAttribute = node.getAttributeNode("title");
-        if (titleAttribute !== null && !consultedNodes.has(titleAttribute)) {
-            consultedNodes.add(titleAttribute);
-            return titleAttribute.value;
-        }
-        const altAttribute = node.getAttributeNode("alt");
-        if (altAttribute !== null && !consultedNodes.has(altAttribute)) {
-            consultedNodes.add(altAttribute);
-            return altAttribute.value;
-        }
-        if (util_1.isHTMLInputElement(node) && node.type === "button") {
-            consultedNodes.add(node);
-            return node.getAttribute("value") || "";
-        }
-        return null;
+
+    if ((0, _util.isElement)(node)) {
+      var pseudoAfter = createGetComputedStyle(node, options)(node, ":after");
+      var afterContent = getTextualContent(pseudoAfter);
+      accumulatedText = "".concat(accumulatedText, " ").concat(afterContent);
     }
-    function computeElementTextAlternative(node) {
-        if (!util_1.isHTMLInputElement(node)) {
-            return null;
-        }
-        const input = node;
-        // https://w3c.github.io/html-aam/#input-type-text-input-type-password-input-type-search-input-type-tel-input-type-email-input-type-url-and-textarea-element-accessible-description-computation
-        if (input.type === "submit") {
-            return "Submit";
-        }
-        if (input.type === "reset") {
-            return "Reset";
-        }
-        const { labels } = input;
-        // IE11 does not implement labels, TODO: verify with caniuse instead of mdn
-        if (labels === null || labels === undefined || labels.length === 0) {
-            return null;
-        }
-        consultedNodes.add(input);
-        return Array.from(labels)
-            .map(element => {
-            return computeTextAlternative(element, {
-                isEmbeddedInLabel: true,
-                isReferenced: false,
-                recursion: true
-            });
-        })
-            .filter(label => {
-            return label.length > 0;
-        })
-            .join(" ");
+
+    return accumulatedText;
+  }
+
+  function computeAttributeTextAlternative(node) {
+    if (!(0, _util.isElement)(node)) {
+      return null;
     }
-    function computeTextAlternative(current, context) {
-        if (consultedNodes.has(current)) {
-            return "";
+
+    var titleAttribute = node.getAttributeNode("title");
+
+    if (titleAttribute !== null && !consultedNodes.has(titleAttribute)) {
+      consultedNodes.add(titleAttribute);
+      return titleAttribute.value;
+    }
+
+    var altAttribute = node.getAttributeNode("alt");
+
+    if (altAttribute !== null && !consultedNodes.has(altAttribute)) {
+      consultedNodes.add(altAttribute);
+      return altAttribute.value;
+    }
+
+    if ((0, _util.isHTMLInputElement)(node) && node.type === "button") {
+      consultedNodes.add(node);
+      return node.getAttribute("value") || "";
+    }
+
+    return null;
+  }
+
+  function computeElementTextAlternative(node) {
+    if (!(0, _util.isHTMLInputElement)(node)) {
+      return null;
+    }
+
+    var input = node; // https://w3c.github.io/html-aam/#input-type-text-input-type-password-input-type-search-input-type-tel-input-type-email-input-type-url-and-textarea-element-accessible-description-computation
+
+    if (input.type === "submit") {
+      return "Submit";
+    }
+
+    if (input.type === "reset") {
+      return "Reset";
+    }
+
+    var labels = input.labels; // IE11 does not implement labels, TODO: verify with caniuse instead of mdn
+
+    if (labels === null || labels === undefined || labels.length === 0) {
+      return null;
+    }
+
+    consultedNodes.add(input);
+    return (0, _from.default)(labels).map(function (element) {
+      return computeTextAlternative(element, {
+        isEmbeddedInLabel: true,
+        isReferenced: false,
+        recursion: true
+      });
+    }).filter(function (label) {
+      return label.length > 0;
+    }).join(" ");
+  }
+
+  function computeTextAlternative(current, context) {
+    if (consultedNodes.has(current)) {
+      return "";
+    } // special casing, cheating to make tests pass
+    // https://github.com/w3c/accname/issues/67
+
+
+    if (hasAnyConcreteRoles(current, ["menu"])) {
+      consultedNodes.add(current);
+      return "";
+    } // 2A
+
+
+    if (isHidden(current, options) && !context.isReferenced) {
+      consultedNodes.add(current);
+      return "";
+    } // 2B
+
+
+    var labelElements = idRefs(current, "aria-labelledby");
+
+    if (!context.isReferenced && labelElements.length > 0) {
+      return labelElements.map(function (element) {
+        return computeTextAlternative(element, {
+          isEmbeddedInLabel: context.isEmbeddedInLabel,
+          isReferenced: true,
+          // thais isn't recursion as specified, otherwise we would skip
+          // `aria-label` in
+          // <input id="myself" aria-label="foo" aria-labelledby="myself"
+          recursion: false
+        });
+      }).join(" ");
+    } // 2C
+    // Changed from the spec in anticipation of https://github.com/w3c/accname/issues/64
+    // spec says we should only consider skipping if we have a non-empty label
+
+
+    var skipToStep2E = context.recursion && isControl(current);
+
+    if (!skipToStep2E) {
+      var ariaLabel = ((0, _util.isElement)(current) && current.getAttribute("aria-label") || "").trim();
+
+      if (ariaLabel !== "") {
+        consultedNodes.add(current);
+        return ariaLabel;
+      } // 2D
+
+
+      if (!isMarkedPresentational(current)) {
+        var elementTextAlternative = computeElementTextAlternative(current);
+
+        if (elementTextAlternative !== null) {
+          consultedNodes.add(current);
+          return elementTextAlternative;
         }
-        // special casing, cheating to make tests pass
-        // https://github.com/w3c/accname/issues/67
-        if (hasAnyConcreteRoles(current, ["menu"])) {
-            consultedNodes.add(current);
-            return "";
+
+        var attributeTextAlternative = computeAttributeTextAlternative(current);
+
+        if (attributeTextAlternative !== null) {
+          consultedNodes.add(current);
+          return attributeTextAlternative;
         }
-        // 2A
-        if (isHidden(current, options) && !context.isReferenced) {
-            consultedNodes.add(current);
-            return "";
+      }
+    } // 2E
+
+
+    if (skipToStep2E || context.isEmbeddedInLabel || context.isReferenced) {
+      if (hasAnyConcreteRoles(current, ["combobox", "listbox"])) {
+        consultedNodes.add(current);
+        var selectedOptions = querySelectedOptions(current);
+
+        if (selectedOptions.length === 0) {
+          // defined per test `name_heading_combobox`
+          return (0, _util.isHTMLInputElement)(current) ? current.value : "";
         }
-        // 2B
-        const labelElements = idRefs(current, "aria-labelledby");
-        if (!context.isReferenced && labelElements.length > 0) {
-            return labelElements
-                .map(element => computeTextAlternative(element, {
-                isEmbeddedInLabel: context.isEmbeddedInLabel,
-                isReferenced: true,
-                // thais isn't recursion as specified, otherwise we would skip
-                // `aria-label` in
-                // <input id="myself" aria-label="foo" aria-labelledby="myself"
-                recursion: false
-            }))
-                .join(" ");
+
+        return (0, _from.default)(selectedOptions).map(function (selectedOption) {
+          return computeTextAlternative(selectedOption, {
+            isEmbeddedInLabel: context.isEmbeddedInLabel,
+            isReferenced: false,
+            recursion: true
+          });
+        }).join(" ");
+      }
+
+      if (hasAbstractRole(current, "range")) {
+        consultedNodes.add(current);
+
+        if (current.hasAttribute("aria-valuetext")) {
+          // safe due to hasAttribute guard
+          // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+          return current.getAttribute("aria-valuetext");
         }
-        // 2C
-        // Changed from the spec in anticipation of https://github.com/w3c/accname/issues/64
-        // spec says we should only consider skipping if we have a non-empty label
-        const skipToStep2E = context.recursion && isControl(current);
-        if (!skipToStep2E) {
-            const ariaLabel = ((util_1.isElement(current) && current.getAttribute("aria-label")) ||
-                "").trim();
-            if (ariaLabel !== "") {
-                consultedNodes.add(current);
-                return ariaLabel;
-            }
-            // 2D
-            if (!isMarkedPresentational(current)) {
-                const elementTextAlternative = computeElementTextAlternative(current);
-                if (elementTextAlternative !== null) {
-                    consultedNodes.add(current);
-                    return elementTextAlternative;
-                }
-                const attributeTextAlternative = computeAttributeTextAlternative(current);
-                if (attributeTextAlternative !== null) {
-                    consultedNodes.add(current);
-                    return attributeTextAlternative;
-                }
-            }
-        }
-        // 2E
-        if (skipToStep2E || context.isEmbeddedInLabel || context.isReferenced) {
-            if (hasAnyConcreteRoles(current, ["combobox", "listbox"])) {
-                consultedNodes.add(current);
-                const selectedOptions = querySelectedOptions(current);
-                if (selectedOptions.length === 0) {
-                    // defined per test `name_heading_combobox`
-                    return util_1.isHTMLInputElement(current) ? current.value : "";
-                }
-                return Array.from(selectedOptions)
-                    .map(selectedOption => {
-                    return computeTextAlternative(selectedOption, {
-                        isEmbeddedInLabel: context.isEmbeddedInLabel,
-                        isReferenced: false,
-                        recursion: true
-                    });
-                })
-                    .join(" ");
-            }
-            if (hasAbstractRole(current, "range")) {
-                consultedNodes.add(current);
-                if (current.hasAttribute("aria-valuetext")) {
-                    // safe due to hasAttribute guard
-                    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-                    return current.getAttribute("aria-valuetext");
-                }
-                if (current.hasAttribute("aria-valuenow")) {
-                    // safe due to hasAttribute guard
-                    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-                    return current.getAttribute("aria-valuenow");
-                }
-                // Otherwise, use the value as specified by a host language attribute.
-                return current.getAttribute("value") || "";
-            }
-            if (hasAnyConcreteRoles(current, ["textbox"])) {
-                consultedNodes.add(current);
-                return getValueOfTextbox(current);
-            }
-        }
-        // 2F: https://w3c.github.io/accname/#step2F
-        if (allowsNameFromContent(current) ||
-            (util_1.isElement(current) && context.isReferenced) ||
-            isNativeHostLanguageTextAlternativeElement(current) ||
-            isDescendantOfNativeHostLanguageTextAlternativeElement(current)) {
-            consultedNodes.add(current);
-            return computeMiscTextAlternative(current, {
-                isEmbeddedInLabel: context.isEmbeddedInLabel,
-                isReferenced: false
-            });
-        }
-        if (current.nodeType === current.TEXT_NODE) {
-            consultedNodes.add(current);
-            return current.textContent || "";
-        }
-        if (context.recursion) {
-            consultedNodes.add(current);
-            return computeMiscTextAlternative(current, {
-                isEmbeddedInLabel: context.isEmbeddedInLabel,
-                isReferenced: false
-            });
-        }
-        const tooltipAttributeValue = computeTooltipAttributeValue(current);
-        if (tooltipAttributeValue !== null) {
-            consultedNodes.add(current);
-            return tooltipAttributeValue;
-        }
-        // TODO should this be reachable?
+
+        if (current.hasAttribute("aria-valuenow")) {
+          // safe due to hasAttribute guard
+          // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+          return current.getAttribute("aria-valuenow");
+        } // Otherwise, use the value as specified by a host language attribute.
+
+
+        return current.getAttribute("value") || "";
+      }
+
+      if (hasAnyConcreteRoles(current, ["textbox"])) {
         consultedNodes.add(current);
-        return "";
+        return getValueOfTextbox(current);
+      }
+    } // 2F: https://w3c.github.io/accname/#step2F
+
+
+    if (allowsNameFromContent(current) || (0, _util.isElement)(current) && context.isReferenced || isNativeHostLanguageTextAlternativeElement(current) || isDescendantOfNativeHostLanguageTextAlternativeElement(current)) {
+      consultedNodes.add(current);
+      return computeMiscTextAlternative(current, {
+        isEmbeddedInLabel: context.isEmbeddedInLabel,
+        isReferenced: false
+      });
     }
-    return asFlatString(computeTextAlternative(root, {
-        isEmbeddedInLabel: false,
-        isReferenced: false,
-        recursion: false
-    }));
+
+    if (current.nodeType === current.TEXT_NODE) {
+      consultedNodes.add(current);
+      return current.textContent || "";
+    }
+
+    if (context.recursion) {
+      consultedNodes.add(current);
+      return computeMiscTextAlternative(current, {
+        isEmbeddedInLabel: context.isEmbeddedInLabel,
+        isReferenced: false
+      });
+    }
+
+    var tooltipAttributeValue = computeTooltipAttributeValue(current);
+
+    if (tooltipAttributeValue !== null) {
+      consultedNodes.add(current);
+      return tooltipAttributeValue;
+    } // TODO should this be reachable?
+
+
+    consultedNodes.add(current);
+    return "";
+  }
+
+  return asFlatString(computeTextAlternative(root, {
+    isEmbeddedInLabel: false,
+    isReferenced: false,
+    recursion: false
+  }));
 }
-exports.computeAccessibleName = computeAccessibleName;
 //# sourceMappingURL=accessible-name.js.map

dist/accessible-name.js.map

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This include childNodes as well as owned (portaled) trees\n * via aria-owns\n * @param node\n */\nfunction queryChildNodes(node: Node): Node[] {\n\treturn ArrayFrom(node.childNodes).concat(idRefs(node, \"aria-owns\"));\n}\n\n/**\n * @param {Node} node -\n * @returns {boolean} - As defined in step 2E of https://w3c.github.io/accname/#mapping_additional_nd_te\n */\nfunction isControl(node: Node): boolean {\n\treturn (\n\t\thasAnyConcreteRoles(node, [\"button\", \"combobox\", \"listbox\", \"textbox\"]) ||\n\t\thasAbstractRole(node, \"range\")\n\t);\n}\n\nfunction hasAbstractRole(node: Node, role: string): node is Element {\n\tif (!isElement(node)) {\n\t\treturn false;\n\t}\n\n\tswitch (role) {\n\t\tcase \"range\":\n\t\t\treturn hasAnyConcreteRoles(node, [\n\t\t\t\t\"meter\",\n\t\t\t\t\"progressbar\",\n\t\t\t\t\"scrollbar\",\n\t\t\t\t\"slider\",\n\t\t\t\t\"spinbutton\"\n\t\t\t]);\n\t\tdefault:\n\t\t\tthrow new TypeError(\n\t\t\t\t`No knowledge about abstract role '${role}'. This is likely a bug :(`\n\t\t\t);\n\t}\n}\n\nfunction hasAnyConcreteRoles(\n\tnode: Node,\n\troles: Array<string | null>\n): node is Element {\n\tif (isElement(node)) {\n\t\treturn roles.indexOf(getRole(node)) !== -1;\n\t}\n\treturn false;\n}\n\n/**\n * element.querySelectorAll but also considers owned tree\n * @param element\n * @param selectors\n */\nfunction querySelectorAllSubtree(\n\telement: Element,\n\tselectors: string\n): Element[] {\n\tconst elements = [];\n\n\tfor (const root of [element, ...idRefs(element, \"aria-owns\")]) {\n\t\telements.push(...ArrayFrom(root.querySelectorAll(selectors)));\n\t}\n\n\treturn elements;\n}\n\nfunction querySelectedOptions(listbox: Element): ArrayLike<Element> {\n\tif (isHTMLSelectElement(listbox)) {\n\t\t// IE11 polyfill\n\t\treturn (\n\t\t\tlistbox.selectedOptions || querySelectorAllSubtree(listbox, \"[selected]\")\n\t\t);\n\t}\n\treturn querySelectorAllSubtree(listbox, '[aria-selected=\"true\"]');\n}\n\nfunction isMarkedPresentational(node: Node): node is Element {\n\treturn hasAnyConcreteRoles(node, [\"none\", \"presentation\"]);\n}\n\n/**\n * TODO https://github.com/eps1lon/dom-accessibility-api/issues/99\n */\nfunction isNativeHostLanguageTextAlternativeElement(\n\tnode: Node\n): node is Element {\n\treturn false;\n}\n\n/**\n * https://w3c.github.io/aria/#namefromcontent\n */\nfunction allowsNameFromContent(node: Node): boolean {\n\treturn hasAnyConcreteRoles(node, [\n\t\t\"button\",\n\t\t\"cell\",\n\t\t\"checkbox\",\n\t\t\"columnheader\",\n\t\t\"gridcell\",\n\t\t\"heading\",\n\t\t\"label\",\n\t\t\"legend\",\n\t\t\"link\",\n\t\t\"menuitem\",\n\t\t\"menuitemcheckbox\",\n\t\t\"menuitemradio\",\n\t\t\"option\",\n\t\t\"radio\",\n\t\t\"row\",\n\t\t\"rowheader\",\n\t\t\"switch\",\n\t\t\"tab\",\n\t\t\"tooltip\",\n\t\t\"treeitem\"\n\t]);\n}\n\n/**\n * TODO https://github.com/eps1lon/dom-accessibility-api/issues/100\n */\nfunction isDescendantOfNativeHostLanguageTextAlternativeElement(\n\tnode: Node\n): boolean {\n\treturn false;\n}\n\n/**\n * TODO https://github.com/eps1lon/dom-accessibility-api/issues/101\n */\nfunction computeTooltipAttributeValue(node: Node): string | null {\n\treturn null;\n}\n\nfunction getValueOfTextbox(element: Element): string {\n\tif (isHTMLInputElement(element) || isHTMLTextAreaElement(element)) {\n\t\treturn element.value;\n\t}\n\t// https://github.com/eps1lon/dom-accessibility-api/issues/4\n\treturn element.textContent || \"\";\n}\n\nfunction getTextualContent(declaration: CSSStyleDeclaration): string {\n\tconst content = declaration.getPropertyValue(\"content\");\n\tif (/^[\"'].*[\"']$/.test(content)) {\n\t\treturn content.slice(1, -1);\n\t}\n\treturn \"\";\n}\n\n/**\n * implements https://w3c.github.io/accname/#mapping_additional_nd_te\n * @param root\n * @param [options]\n * @parma [options.getComputedStyle] - mock window.getComputedStyle. Needs `content`, `display` and `visibility`\n */\nexport function computeAccessibleName(\n\troot: Element,\n\toptions: GetComputedStyleOptions = {}\n): string {\n\tconst consultedNodes = new Set<Node>();\n\n\tif (prohibitsNaming(root)) {\n\t\treturn \"\" as FlatString;\n\t}\n\n\t// 2F.i\n\tfunction computeMiscTextAlternative(\n\t\tnode: Node,\n\t\tcontext: { isEmbeddedInLabel: boolean; isReferenced: boolean }\n\t): string {\n\t\tlet accumulatedText = \"\";\n\t\tif (isElement(node)) {\n\t\t\tconst pseudoBefore = createGetComputedStyle(node, options)(\n\t\t\t\tnode,\n\t\t\t\t\"::before\"\n\t\t\t);\n\t\t\tconst beforeContent = getTextualContent(pseudoBefore);\n\t\t\taccumulatedText = `${beforeContent} ${accumulatedText}`;\n\t\t}\n\n\t\tfor (const child of queryChildNodes(node)) {\n\t\t\tconst result = computeTextAlternative(child, {\n\t\t\t\tisEmbeddedInLabel: context.isEmbeddedInLabel,\n\t\t\t\tisReferenced: false,\n\t\t\t\trecursion: true\n\t\t\t});\n\t\t\t// TODO: Unclear why display affects delimiter\n\t\t\tconst display =\n\t\t\t\tisElement(node) &&\n\t\t\t\tcreateGetComputedStyle(node, options)(node).getPropertyValue(\"display\");\n\t\t\tconst separator = display !== \"inline\" ? \" \" : \"\";\n\t\t\taccumulatedText += `${separator}${result}`;\n\t\t}\n\n\t\tif (isElement(node)) {\n\t\t\tconst pseudoAfter = createGetComputedStyle(node, options)(node, \":after\");\n\t\t\tconst afterContent = getTextualContent(pseudoAfter);\n\t\t\taccumulatedText = `${accumulatedText} ${afterContent}`;\n\t\t}\n\n\t\treturn accumulatedText;\n\t}\n\n\tfunction computeAttributeTextAlternative(node: Node): string | null {\n\t\tif (!isElement(node)) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst titleAttribute = node.getAttributeNode(\"title\");\n\t\tif (titleAttribute !== null && !consultedNodes.has(titleAttribute)) {\n\t\t\tconsultedNodes.add(titleAttribute);\n\t\t\treturn titleAttribute.value;\n\t\t}\n\n\t\tconst altAttribute = node.getAttributeNode(\"alt\");\n\t\tif (altAttribute !== null && !consultedNodes.has(altAttribute)) {\n\t\t\tconsultedNodes.add(altAttribute);\n\t\t\treturn altAttribute.value;\n\t\t}\n\n\t\tif (isHTMLInputElement(node) && node.type === \"button\") {\n\t\t\tconsultedNodes.add(node);\n\t\t\treturn node.getAttribute(\"value\") || \"\";\n\t\t}\n\n\t\treturn null;\n\t}\n\n\tfunction computeElementTextAlternative(node: Node): string | null {\n\t\tif (!isHTMLInputElement(node)) {\n\t\t\treturn null;\n\t\t}\n\t\tconst input = node;\n\n\t\t// https://w3c.github.io/html-aam/#input-type-text-input-type-password-input-type-search-input-type-tel-input-type-email-input-type-url-and-textarea-element-accessible-description-computation\n\t\tif (input.type === \"submit\") {\n\t\t\treturn \"Submit\";\n\t\t}\n\t\tif (input.type === \"reset\") {\n\t\t\treturn \"Reset\";\n\t\t}\n\n\t\tconst { labels } = input;\n\t\t// IE11 does not implement labels, TODO: verify with caniuse instead of mdn\n\t\tif (labels === null || labels === undefined || labels.length === 0) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconsultedNodes.add(input);\n\t\treturn ArrayFrom(labels)\n\t\t\t.map(element => {\n\t\t\t\treturn computeTextAlternative(element, {\n\t\t\t\t\tisEmbeddedInLabel: true,\n\t\t\t\t\tisReferenced: false,\n\t\t\t\t\trecursion: true\n\t\t\t\t});\n\t\t\t})\n\t\t\t.filter(label => {\n\t\t\t\treturn label.length > 0;\n\t\t\t})\n\t\t\t.join(\" \");\n\t}\n\n\tfunction computeTextAlternative(\n\t\tcurrent: Node,\n\t\tcontext: {\n\t\t\tisEmbeddedInLabel: boolean;\n\t\t\tisReferenced: boolean;\n\t\t\trecursion: boolean;\n\t\t}\n\t): string {\n\t\tif (consultedNodes.has(current)) {\n\t\t\treturn \"\";\n\t\t}\n\n\t\t// special casing, cheating to make tests pass\n\t\t// https://github.com/w3c/accname/issues/67\n\t\tif (hasAnyConcreteRoles(current, [\"menu\"])) {\n\t\t\tconsultedNodes.add(current);\n\t\t\treturn \"\";\n\t\t}\n\n\t\t// 2A\n\t\tif (isHidden(current, options) && !context.isReferenced) {\n\t\t\tconsultedNodes.add(current);\n\t\t\treturn \"\" as FlatString;\n\t\t}\n\n\t\t// 2B\n\t\tconst labelElements = idRefs(current, \"aria-labelledby\");\n\t\tif (!context.isReferenced && labelElements.length > 0) {\n\t\t\treturn labelElements\n\t\t\t\t.map(element =>\n\t\t\t\t\tcomputeTextAlternative(element, {\n\t\t\t\t\t\tisEmbeddedInLabel: context.isEmbeddedInLabel,\n\t\t\t\t\t\tisReferenced: true,\n\t\t\t\t\t\t// thais isn't recursion as specified, otherwise we would skip\n\t\t\t\t\t\t// `aria-label` in\n\t\t\t\t\t\t// <input id=\"myself\" aria-label=\"foo\" aria-labelledby=\"myself\"\n\t\t\t\t\t\trecursion: false\n\t\t\t\t\t})\n\t\t\t\t)\n\t\t\t\t.join(\" \");\n\t\t}\n\n\t\t// 2C\n\t\t// Changed from the spec in anticipation of https://github.com/w3c/accname/issues/64\n\t\t// spec says we should only consider skipping if we have a non-empty label\n\t\tconst skipToStep2E = context.recursion && isControl(current);\n\t\tif (!skipToStep2E) {\n\t\t\tconst ariaLabel = (\n\t\t\t\t(isElement(current) && current.getAttribute(\"aria-label\")) ||\n\t\t\t\t\"\"\n\t\t\t).trim();\n\t\t\tif (ariaLabel !== \"\") {\n\t\t\t\tconsultedNodes.add(current);\n\t\t\t\treturn ariaLabel;\n\t\t\t}\n\n\t\t\t// 2D\n\t\t\tif (!isMarkedPresentational(current)) {\n\t\t\t\tconst elementTextAlternative = computeElementTextAlternative(current);\n\t\t\t\tif (elementTextAlternative !== null) {\n\t\t\t\t\tconsultedNodes.add(current);\n\t\t\t\t\treturn elementTextAlternative;\n\t\t\t\t}\n\t\t\t\tconst attributeTextAlternative = computeAttributeTextAlternative(\n\t\t\t\t\tcurrent\n\t\t\t\t);\n\t\t\t\tif (attributeTextAlternative !== null) {\n\t\t\t\t\tconsultedNodes.add(current);\n\t\t\t\t\treturn attributeTextAlternative;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// 2E\n\t\tif (skipToStep2E || context.isEmbeddedInLabel || context.isReferenced) {\n\t\t\tif (hasAnyConcreteRoles(current, [\"combobox\", \"listbox\"])) {\n\t\t\t\tconsultedNodes.add(current);\n\t\t\t\tconst selectedOptions = querySelectedOptions(current);\n\t\t\t\tif (selectedOptions.length === 0) {\n\t\t\t\t\t// defined per test `name_heading_combobox`\n\t\t\t\t\treturn isHTMLInputElement(current) ? current.value : \"\";\n\t\t\t\t}\n\t\t\t\treturn ArrayFrom(selectedOptions)\n\t\t\t\t\t.map(selectedOption => {\n\t\t\t\t\t\treturn computeTextAlternative(selectedOption, {\n\t\t\t\t\t\t\tisEmbeddedInLabel: context.isEmbeddedInLabel,\n\t\t\t\t\t\t\tisReferenced: false,\n\t\t\t\t\t\t\trecursion: true\n\t\t\t\t\t\t});\n\t\t\t\t\t})\n\t\t\t\t\t.join(\" \");\n\t\t\t}\n\t\t\tif (hasAbstractRole(current, \"range\")) {\n\t\t\t\tconsultedNodes.add(current);\n\t\t\t\tif (current.hasAttribute(\"aria-valuetext\")) {\n\t\t\t\t\t// safe due to hasAttribute guard\n\t\t\t\t\t// eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n\t\t\t\t\treturn current.getAttribute(\"aria-valuetext\")!;\n\t\t\t\t}\n\t\t\t\tif (current.hasAttribute(\"aria-valuenow\")) {\n\t\t\t\t\t// safe due to hasAttribute guard\n\t\t\t\t\t// eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n\t\t\t\t\treturn current.getAttribute(\"aria-valuenow\")!;\n\t\t\t\t}\n\t\t\t\t// Otherwise, use the value as specified by a host language attribute.\n\t\t\t\treturn current.getAttribute(\"value\") || \"\";\n\t\t\t}\n\t\t\tif (hasAnyConcreteRoles(current, [\"textbox\"])) {\n\t\t\t\tconsultedNodes.add(current);\n\t\t\t\treturn getValueOfTextbox(current);\n\t\t\t}\n\t\t}\n\n\t\t// 2F: https://w3c.github.io/accname/#step2F\n\t\tif (\n\t\t\tallowsNameFromContent(current) ||\n\t\t\t(isElement(current) && context.isReferenced) ||\n\t\t\tisNativeHostLanguageTextAlternativeElement(current) ||\n\t\t\tisDescendantOfNativeHostLanguageTextAlternativeElement(current)\n\t\t) {\n\t\t\tconsultedNodes.add(current);\n\t\t\treturn computeMiscTextAlternative(current, {\n\t\t\t\tisEmbeddedInLabel: context.isEmbeddedInLabel,\n\t\t\t\tisReferenced: false\n\t\t\t});\n\t\t}\n\n\t\tif (current.nodeType === current.TEXT_NODE) {\n\t\t\tconsultedNodes.add(current);\n\t\t\treturn current.textContent || \"\";\n\t\t}\n\n\t\tif (context.recursion) {\n\t\t\tconsultedNodes.add(current);\n\t\t\treturn computeMiscTextAlternative(current, {\n\t\t\t\tisEmbeddedInLabel: context.isEmbeddedInLabel,\n\t\t\t\tisReferenced: false\n\t\t\t});\n\t\t}\n\n\t\tconst tooltipAttributeValue = computeTooltipAttributeValue(current);\n\t\tif (tooltipAttributeValue !== null) {\n\t\t\tconsultedNodes.add(current);\n\t\t\treturn tooltipAttributeValue;\n\t\t}\n\n\t\t// TODO should this be reachable?\n\t\tconsultedNodes.add(current);\n\t\treturn \"\";\n\t}\n\n\treturn asFlatString(\n\t\tcomputeTextAlternative(root, {\n\t\t\tisEmbeddedInLabel: false,\n\t\t\tisReferenced: false,\n\t\t\trecursion: false\n\t\t})\n\t);\n}\n"],"file":"accessible-name.js"}

dist/getRole.js

 "use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = getRole;
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
 // https://w3c.github.io/html-aria/#document-conformance-requirements-for-use-of-aria-attributes-in-html
-Object.defineProperty(exports, "__esModule", { value: true });
 function getRole(element) {
-    const explicitRole = getExplicitRole(element);
-    if (explicitRole !== null) {
-        return explicitRole;
-    }
-    return getImplicitRole(element);
+  var explicitRole = getExplicitRole(element);
+
+  if (explicitRole !== null) {
+    return explicitRole;
+  }
+
+  return getImplicitRole(element);
 }
-exports.default = getRole;
-const tagToRoleMappings = {
-    ARTICLE: "article",
-    ASIDE: "complementary",
-    BODY: "document",
-    BUTTON: "button",
-    DATALIST: "listbox",
-    DD: "definition",
-    DETAILS: "group",
-    DIALOG: "dialog",
-    DT: "term",
-    FIELDSET: "group",
-    FIGURE: "figure",
-    // WARNING: Only with an accessible name
-    FORM: "form",
-    FOOTER: "contentinfo",
-    H1: "heading",
-    H2: "heading",
-    H3: "heading",
-    H4: "heading",
-    H5: "heading",
-    H6: "heading",
-    HEADER: "banner",
-    HR: "separator",
-    LEGEND: "legend",
-    LI: "listitem",
-    MATH: "math",
-    MAIN: "main",
-    MENU: "list",
-    NAV: "navigation",
-    OL: "list",
-    OPTGROUP: "group",
-    // WARNING: Only in certain context
-    OPTION: "option",
-    OUTPUT: "status",
-    PROGRESS: "progressbar",
-    // WARNING: Only with an accessible name
-    SECTION: "region",
-    SUMMARY: "button",
-    TABLE: "table",
-    TBODY: "rowgroup",
-    TEXTAREA: "textbox",
-    TFOOT: "rowgroup",
-    // WARNING: Only in certain context
-    TD: "cell",
-    TH: "columnheader",
-    THEAD: "rowgroup",
-    TR: "row",
-    UL: "list"
+
+var tagToRoleMappings = {
+  ARTICLE: "article",
+  ASIDE: "complementary",
+  BODY: "document",
+  BUTTON: "button",
+  DATALIST: "listbox",
+  DD: "definition",
+  DETAILS: "group",
+  DIALOG: "dialog",
+  DT: "term",
+  FIELDSET: "group",
+  FIGURE: "figure",
+  // WARNING: Only with an accessible name
+  FORM: "form",
+  FOOTER: "contentinfo",
+  H1: "heading",
+  H2: "heading",
+  H3: "heading",
+  H4: "heading",
+  H5: "heading",
+  H6: "heading",
+  HEADER: "banner",
+  HR: "separator",
+  LEGEND: "legend",
+  LI: "listitem",
+  MATH: "math",
+  MAIN: "main",
+  MENU: "list",
+  NAV: "navigation",
+  OL: "list",
+  OPTGROUP: "group",
+  // WARNING: Only in certain context
+  OPTION: "option",
+  OUTPUT: "status",
+  PROGRESS: "progressbar",
+  // WARNING: Only with an accessible name
+  SECTION: "region",
+  SUMMARY: "button",
+  TABLE: "table",
+  TBODY: "rowgroup",
+  TEXTAREA: "textbox",
+  TFOOT: "rowgroup",
+  // WARNING: Only in certain context
+  TD: "cell",
+  TH: "columnheader",
+  THEAD: "rowgroup",
+  TR: "row",
+  UL: "list"
 };
+
 function getImplicitRole(element) {
-    const mappedByTag = tagToRoleMappings[element.tagName];
-    if (mappedByTag !== undefined) {
-        return mappedByTag;
-    }
-    switch (element.tagName) {
-        case "A":
-        case "AREA":
-        case "LINK":
-            if (element.hasAttribute("href")) {
-                return "link";
+  var mappedByTag = tagToRoleMappings[element.tagName];
+
+  if (mappedByTag !== undefined) {
+    return mappedByTag;
+  }
+
+  switch (element.tagName) {
+    case "A":
+    case "AREA":
+    case "LINK":
+      if (element.hasAttribute("href")) {
+        return "link";
+      }
+
+      break;
+
+    case "IMG":
+      if ((element.getAttribute("alt") || "").length > 0) {
+        return "img";
+      }
+
+      break;
+
+    case "INPUT":
+      {
+        var _ref = element,
+            type = _ref.type;
+
+        switch (type) {
+          case "button":
+          case "image":
+          case "reset":
+          case "submit":
+            return "button";
+
+          case "checkbox":
+          case "radio":
+            return type;
+
+          case "range":
+            return "slider";
+
+          case "email":
+          case "tel":
+          case "text":
+          case "url":
+            if (element.hasAttribute("list")) {
+              return "combobox";
             }
-            break;
-        case "IMG":
-            if ((element.getAttribute("alt") || "").length > 0) {
-                return "img";
+
+            return "textbox";
+
+          case "search":
+            if (element.hasAttribute("list")) {
+              return "combobox";
             }
-            break;
-        case "INPUT": {
-            const { type } = element;
-            switch (type) {
-                case "button":
-                case "image":
-                case "reset":
-                case "submit":
-                    return "button";
-                case "checkbox":
-                case "radio":
-                    return type;
-                case "range":
-                    return "slider";
-                case "email":
-                case "tel":
-                case "text":
-                case "url":
-                    if (element.hasAttribute("list")) {
-                        return "combobox";
-                    }
-                    return "textbox";
-                case "search":
-                    if (element.hasAttribute("list")) {
-                        return "combobox";
-                    }
-                    return "searchbox";
-                default:
-                    return null;
-            }
+
+            return "searchbox";
+
+          default:
+            return null;
         }
-        case "SELECT":
-            if (element.hasAttribute("multiple") ||
-                element.size > 1) {
-                return "listbox";
-            }
-            return "combobox";
-    }
-    return null;
+      }
+
+    case "SELECT":
+      if (element.hasAttribute("multiple") || element.size > 1) {
+        return "listbox";
+      }
+
+      return "combobox";
+  }
+
+  return null;
 }
+
 function getExplicitRole(element) {
-    if (element.hasAttribute("role")) {
-        // safe due to hasAttribute check
-        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        const [explicitRole] = element
-            .getAttribute("role")
-            .trim()
-            .split(" ");
-        if (explicitRole !== undefined && explicitRole.length > 0) {
-            return explicitRole;
-        }
+  if (element.hasAttribute("role")) {
+    // safe due to hasAttribute check
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    var _trim$split = element.getAttribute("role").trim().split(" "),
+        _trim$split2 = _slicedToArray(_trim$split, 1),
+        explicitRole = _trim$split2[0];
+
+    if (explicitRole !== undefined && explicitRole.length > 0) {
+      return explicitRole;
     }
-    return null;
+  }
+
+  return null;
 }
 //# sourceMappingURL=getRole.js.map

dist/getRole.js.map

@@ -1,1 +0,1 @@
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https://w3c.github.io/html-aria/#document-conformance-requirements-for-use-of-aria-attributes-in-html\n\nexport default function getRole(element: Element): string | null {\n\tconst explicitRole = getExplicitRole(element);\n\tif (explicitRole !== null) {\n\t\treturn explicitRole;\n\t}\n\n\treturn getImplicitRole(element);\n}\n\nconst tagToRoleMappings: Record<string, string | undefined> = {\n\tARTICLE: \"article\",\n\tASIDE: \"complementary\",\n\tBODY: \"document\",\n\tBUTTON: \"button\",\n\tDATALIST: \"listbox\",\n\tDD: \"definition\",\n\tDETAILS: \"group\",\n\tDIALOG: \"dialog\",\n\tDT: \"term\",\n\tFIELDSET: \"group\",\n\tFIGURE: \"figure\",\n\t// WARNING: Only with an accessible name\n\tFORM: \"form\",\n\tFOOTER: \"contentinfo\",\n\tH1: \"heading\",\n\tH2: \"heading\",\n\tH3: \"heading\",\n\tH4: \"heading\",\n\tH5: \"heading\",\n\tH6: \"heading\",\n\tHEADER: \"banner\",\n\tHR: \"separator\",\n\tLEGEND: \"legend\",\n\tLI: \"listitem\",\n\tMATH: \"math\",\n\tMAIN: \"main\",\n\tMENU: \"list\",\n\tNAV: \"navigation\",\n\tOL: \"list\",\n\tOPTGROUP: \"group\",\n\t// WARNING: Only in certain context\n\tOPTION: \"option\",\n\tOUTPUT: \"status\",\n\tPROGRESS: \"progressbar\",\n\t// WARNING: Only with an accessible name\n\tSECTION: \"region\",\n\tSUMMARY: \"button\",\n\tTABLE: \"table\",\n\tTBODY: \"rowgroup\",\n\tTEXTAREA: \"textbox\",\n\tTFOOT: \"rowgroup\",\n\t// WARNING: Only in certain context\n\tTD: \"cell\",\n\tTH: \"columnheader\",\n\tTHEAD: \"rowgroup\",\n\tTR: \"row\",\n\tUL: \"list\"\n};\n\nfunction getImplicitRole(element: Element): string | null {\n\tconst mappedByTag = tagToRoleMappings[element.tagName];\n\tif (mappedByTag !== undefined) {\n\t\treturn mappedByTag;\n\t}\n\n\tswitch (element.tagName) {\n\t\tcase \"A\":\n\t\tcase \"AREA\":\n\t\tcase \"LINK\":\n\t\t\tif (element.hasAttribute(\"href\")) {\n\t\t\t\treturn \"link\";\n\t\t\t}\n\t\t\tbreak;\n\t\tcase \"IMG\":\n\t\t\tif ((element.getAttribute(\"alt\") || \"\").length > 0) {\n\t\t\t\treturn \"img\";\n\t\t\t}\n\t\t\tbreak;\n\t\tcase \"INPUT\": {\n\t\t\tconst { type } = element as HTMLInputElement;\n\t\t\tswitch (type) {\n\t\t\t\tcase \"button\":\n\t\t\t\tcase \"image\":\n\t\t\t\tcase \"reset\":\n\t\t\t\tcase \"submit\":\n\t\t\t\t\treturn \"button\";\n\t\t\t\tcase \"checkbox\":\n\t\t\t\tcase \"radio\":\n\t\t\t\t\treturn type;\n\t\t\t\tcase \"range\":\n\t\t\t\t\treturn \"slider\";\n\t\t\t\tcase \"email\":\n\t\t\t\tcase \"tel\":\n\t\t\t\tcase \"text\":\n\t\t\t\tcase \"url\":\n\t\t\t\t\tif (element.hasAttribute(\"list\")) {\n\t\t\t\t\t\treturn \"combobox\";\n\t\t\t\t\t}\n\t\t\t\t\treturn \"textbox\";\n\n\t\t\t\tcase \"search\":\n\t\t\t\t\tif (element.hasAttribute(\"list\")) {\n\t\t\t\t\t\treturn \"combobox\";\n\t\t\t\t\t}\n\t\t\t\t\treturn \"searchbox\";\n\t\t\t\tdefault:\n\t\t\t\t\treturn null;\n\t\t\t}\n\t\t}\n\t\tcase \"SELECT\":\n\t\t\tif (\n\t\t\t\telement.hasAttribute(\"multiple\") ||\n\t\t\t\t(element as HTMLSelectElement).size > 1\n\t\t\t) {\n\t\t\t\treturn \"listbox\";\n\t\t\t}\n\t\t\treturn \"combobox\";\n\t}\n\treturn null;\n}\n\nfunction getExplicitRole(element: Element): string | null {\n\tif (element.hasAttribute(\"role\")) {\n\t\t// safe due to hasAttribute check\n\t\t// eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n\t\tconst [explicitRole] = element\n\t\t\t.getAttribute(\"role\")!\n\t\t\t.trim()\n\t\t\t.split(\" \");\n\t\tif (explicitRole !== undefined && explicitRole.length > 0) {\n\t\t\treturn explicitRole;\n\t\t}\n\t}\n\n\treturn null;\n}\n"],"file":"getRole.js"}

dist/index.js

 "use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var accessible_name_1 = require("./accessible-name");
-exports.computeAccessibleName = accessible_name_1.computeAccessibleName;
-var getRole_1 = require("./getRole");
-exports.getRole = getRole_1.default;
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "computeAccessibleName", {
+  enumerable: true,
+  get: function get() {
+    return _accessibleName.computeAccessibleName;
+  }
+});
+Object.defineProperty(exports, "getRole", {
+  enumerable: true,
+  get: function get() {
+    return _getRole.default;
+  }
+});
+
+var _accessibleName = require("./accessible-name");
+
+var _getRole = _interopRequireDefault(require("./getRole"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 //# sourceMappingURL=index.js.map

dist/index.js.map

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+{"version":3,"sources":["../sources/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;AAAA;;AACA","sourcesContent":["export { computeAccessibleName } from \"./accessible-name\";\nexport { default as getRole } from \"./getRole\";\n"],"file":"index.js"}

dist/util.js

 "use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isElement = isElement;
+exports.isHTMLInputElement = isHTMLInputElement;
+exports.isHTMLSelectElement = isHTMLSelectElement;
+exports.isHTMLTextAreaElement = isHTMLTextAreaElement;
+exports.safeWindow = safeWindow;
+
 function isElement(node) {
-    return (
-    // @ts-ignore
-    node !== null && node instanceof node.ownerDocument.defaultView.Element);
+  return (// @ts-ignore
+    node !== null && node instanceof node.ownerDocument.defaultView.Element
+  );
 }
-exports.isElement = isElement;
+
 function isHTMLInputElement(node) {
-    return (isElement(node) &&
-        // @ts-ignore
-        node instanceof node.ownerDocument.defaultView.HTMLInputElement);
+  return isElement(node) && // @ts-ignore
+  node instanceof node.ownerDocument.defaultView.HTMLInputElement;
 }
-exports.isHTMLInputElement = isHTMLInputElement;
+
 function isHTMLSelectElement(node) {
-    return (isElement(node) &&
-        // @ts-ignore
-        node instanceof node.ownerDocument.defaultView.HTMLSelectElement);
+  return isElement(node) && // @ts-ignore
+  node instanceof node.ownerDocument.defaultView.HTMLSelectElement;
 }
-exports.isHTMLSelectElement = isHTMLSelectElement;
+
 function isHTMLTextAreaElement(node) {
-    return (isElement(node) &&
-        // @ts-ignore
-        node instanceof node.ownerDocument.defaultView.HTMLTextAreaElement);
+  return isElement(node) && // @ts-ignore
+  node instanceof node.ownerDocument.defaultView.HTMLTextAreaElement;
 }
-exports.isHTMLTextAreaElement = isHTMLTextAreaElement;
+
 function safeWindow(node) {
-    const { defaultView } = node.ownerDocument === null ? node : node.ownerDocument;
-    if (defaultView === null) {
-        throw new TypeError("no window available");
-    }
-    return defaultView;
+  var _ref = node.ownerDocument === null ? node : node.ownerDocument,
+      defaultView = _ref.defaultView;
+
+  if (defaultView === null) {
+    throw new TypeError("no window available");
+  }
+
+  return defaultView;
 }
-exports.safeWindow = safeWindow;
 //# sourceMappingURL=util.js.map

dist/util.js.map

@@ -1,1 +0,1 @@
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+{"version":3,"sources":["../sources/util.ts"],"names":["isElement","node","ownerDocument","defaultView","Element","isHTMLInputElement","HTMLInputElement","isHTMLSelectElement","HTMLSelectElement","isHTMLTextAreaElement","HTMLTextAreaElement","safeWindow","TypeError"],"mappings":";;;;;;;;;;;AAAO,SAASA,SAAT,CAAmBC,IAAnB,EAAuD;AAC7D,SACC;AACAA,IAAAA,IAAI,KAAK,IAAT,IAAiBA,IAAI,YAAYA,IAAI,CAACC,aAAL,CAAmBC,WAAnB,CAA+BC;AAFjE;AAIA;;AAEM,SAASC,kBAAT,CACNJ,IADM,EAEqB;AAC3B,SACCD,SAAS,CAACC,IAAD,CAAT,IACA;AACAA,EAAAA,IAAI,YAAYA,IAAI,CAACC,aAAL,CAAmBC,WAAnB,CAA+BG,gBAHhD;AAKA;;AAEM,SAASC,mBAAT,CACNN,IADM,EAEsB;AAC5B,SACCD,SAAS,CAACC,IAAD,CAAT,IACA;AACAA,EAAAA,IAAI,YAAYA,IAAI,CAACC,aAAL,CAAmBC,WAAnB,CAA+BK,iBAHhD;AAKA;;AAEM,SAASC,qBAAT,CACNR,IADM,EAEwB;AAC9B,SACCD,SAAS,CAACC,IAAD,CAAT,IACA;AACAA,EAAAA,IAAI,YAAYA,IAAI,CAACC,aAAL,CAAmBC,WAAnB,CAA+BO,mBAHhD;AAKA;;AAEM,SAASC,UAAT,CAAoBV,IAApB,EAAwC;AAAA,aAE7CA,IAAI,CAACC,aAAL,KAAuB,IAAvB,GAA+BD,IAA/B,GAAmDA,IAAI,CAACC,aAFX;AAAA,MACtCC,WADsC,QACtCA,WADsC;;AAI9C,MAAIA,WAAW,KAAK,IAApB,EAA0B;AACzB,UAAM,IAAIS,SAAJ,CAAc,qBAAd,CAAN;AACA;;AACD,SAAOT,WAAP;AACA","sourcesContent":["export function isElement(node: Node | null): node is Element {\n\treturn (\n\t\t// @ts-ignore\n\t\tnode !== null && node instanceof node.ownerDocument.defaultView.Element\n\t);\n}\n\nexport function isHTMLInputElement(\n\tnode: Node | null\n): node is HTMLInputElement {\n\treturn (\n\t\tisElement(node) &&\n\t\t// @ts-ignore\n\t\tnode instanceof node.ownerDocument.defaultView.HTMLInputElement\n\t);\n}\n\nexport function isHTMLSelectElement(\n\tnode: Node | null\n): node is HTMLSelectElement {\n\treturn (\n\t\tisElement(node) &&\n\t\t// @ts-ignore\n\t\tnode instanceof node.ownerDocument.defaultView.HTMLSelectElement\n\t);\n}\n\nexport function isHTMLTextAreaElement(\n\tnode: Node | null\n): node is HTMLTextAreaElement {\n\treturn (\n\t\tisElement(node) &&\n\t\t// @ts-ignore\n\t\tnode instanceof node.ownerDocument.defaultView.HTMLTextAreaElement\n\t);\n}\n\nexport function safeWindow(node: Node): Window {\n\tconst { defaultView } =\n\t\tnode.ownerDocument === null ? (node as Document) : node.ownerDocument;\n\n\tif (defaultView === null) {\n\t\tthrow new TypeError(\"no window available\");\n\t}\n\treturn defaultView;\n}\n"],"file":"util.js"}

package.json

 {
 	"name": "dom-accessibility-api",
-	"version": "0.3.0",
+	"version": "0.4.0",
 	"main": "dist/index.js",
@@ -11,7 +11,14 @@ "types": "dist/index.d.ts",
 	},
+	"dependencies": {
+		"core-js-pure": "^3.6.4"
+	},
 	"files": [
+		".browserslistrc",
 		"dist/"
 	],
 	"scripts": {
-		"build": "tsc -p tsconfig.json",
+		"build": "yarn build:clean && yarn build:source && yarn build:types",
+		"build:clean": "rimraf dist",
+		"build:source": "babel sources --extensions \".ts\" --ignore \"**/__tests__/**/*\" --out-dir dist/ --source-maps",
+		"build:types": "tsc -p tsconfig.json --emitDeclarationOnly",
 		"format": "prettier \"**/*.{json,js,md,ts,yml}\" --write --ignore-path .prettierignore",
@@ -23,2 +30,3 @@ "lint": "eslint --report-unused-disable-directives \"sources/**/*.ts\"",
 		"test:ci": "jest --ci --config jest.ci.config.js --runInBand",
+		"test:types": "tsc -p tsconfig.json --noEmit",
 		"test:wpt:jsdom": "mocha tests/wpt-jsdom/run-wpts.js",
@@ -34,12 +42,14 @@ "test:wpt:browser": "concurrently --success first --kill-others \"yarn test:wpt:browser:run\" \"yarn test:wpt:browser:server\"",
 	"devDependencies": {
-		"@babel/core": "^7.8.3",
-		"@babel/preset-env": "^7.8.3",
+		"@babel/cli": "^7.8.4",
+		"@babel/core": "^7.8.7",
+		"@babel/preset-env": "^7.8.7",
 		"@babel/preset-typescript": "^7.8.3",
-		"@changesets/cli": "^2.5.0",
-		"@testing-library/dom": "^6.11.0",
-		"@types/jest": "^24.9.1",
-		"@typescript-eslint/parser": "^2.17.0",
-		"@typescript-eslint/eslint-plugin": "^2.17.0",
-		"concurrently": "^5.0.2",
-		"cypress": "^3.8.3",
+		"@changesets/changelog-github": "^0.2.2",
+		"@changesets/cli": "^2.5.2",
+		"@testing-library/dom": "^6.15.0",
+		"@types/jest": "^25.1.4",
+		"@typescript-eslint/eslint-plugin": "^2.22.0",
+		"@typescript-eslint/parser": "^2.22.0",
+		"concurrently": "^5.1.0",
+		"cypress": "^4.1.0",
 		"eslint": "^6.8.0",
@@ -51,13 +61,17 @@ "jest": "^25.1.0",
 		"js-yaml": "^3.13.1",
-		"jsdom": "^16.0.1",
+		"jsdom": "^16.2.0",
 		"minimatch": "^3.0.4",
-		"mocha": "^7.0.1",
+		"mocha": "^7.1.0",
 		"mocha-sugar-free": "^1.4.0",
 		"prettier": "^1.19.1",
 		"q": "^1.5.1",
-		"request": "^2.34",
+		"request": "^2.88",
 		"request-promise-native": "^1.0.8",
+		"rimraf": "^3.0.2",
 		"serve": "^11.3.0",
-		"typescript": "^3.7.5"
+		"typescript": "^3.8.3"
 	},
+	"resolutions": {
+		"**/minimist": "^1.2.2"
+	},
 	"prettier": {
@@ -64,0 +78,0 @@ "useTabs": true

README.md

@@ -21,2 +21,15 @@ # dom-accessibility-api
 
+## Supported environments
+
+```bash
+ie 11
+edge >= 14
+firefox >= 52
+chrome >= 49
+safari >= 10
+node 10.0
+```
+
+or check the published `.browserslistrc`
+
 ## progress
@@ -23,0 +36,0 @@

New alerts

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

76413

49.89%

Number of package files

22

15.79%

Number of lines in readme file

217

6.37%

Worsened metrics

Dependency count

1

Infinity%

Dev dependency count

29

11.54%

Lines of code

600

-4.61%

Number of low supply chain risk alerts

4

100%

Dependency changes

• + Added

  core-js-pure@^3.6.4

• + Added

  core-js-pure@3.49.0
  (transitive)