initial commit of actions

github/codeql-action-v2/node_modules/eslint-plugin-jsx-a11y/lib/util/getAccessibleChildText.js

@@ -0,0 +1,55 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = getAccessibleChildText;
+var _jsxAstUtils = require("jsx-ast-utils");
+var _isHiddenFromScreenReader = _interopRequireDefault(require("./isHiddenFromScreenReader"));
+/**
+ * Returns a new "standardized" string: all whitespace is collapsed to one space,
+ * and the string is lowercase
+ * @param {string} input
+ * @returns lowercase, single-spaced, punctuation-stripped, trimmed string
+ */
+function standardizeSpaceAndCase(input) {
+  return input.trim().replace(/[,.?¿!‽¡;:]/g, '') // strip punctuation
+  .replace(/\s\s+/g, ' ') // collapse spaces
+  .toLowerCase();
+}
+
+/**
+ * Returns the (recursively-defined) accessible child text of a node, which (in-order) is:
+ * 1. The element's aria-label
+ * 2. If the element is a direct literal, the literal value
+ * 3. Otherwise, merge all of its children
+ * @param {JSXElement} node - node to traverse
+ * @returns child text as a string
+ */
+function getAccessibleChildText(node, elementType) {
+  var ariaLabel = (0, _jsxAstUtils.getLiteralPropValue)((0, _jsxAstUtils.getProp)(node.openingElement.attributes, 'aria-label'));
+  // early escape-hatch when aria-label is applied
+  if (ariaLabel) return standardizeSpaceAndCase(ariaLabel);
+
+  // early-return if alt prop exists and is an image
+  var altTag = (0, _jsxAstUtils.getLiteralPropValue)((0, _jsxAstUtils.getProp)(node.openingElement.attributes, 'alt'));
+  if (elementType(node.openingElement) === 'img' && altTag) return standardizeSpaceAndCase(altTag);
+
+  // skip if aria-hidden is true
+  if ((0, _isHiddenFromScreenReader["default"])(elementType(node.openingElement), node.openingElement.attributes)) {
+    return '';
+  }
+  var rawChildText = node.children.map(function (currentNode) {
+    // $FlowFixMe JSXText is missing in ast-types-flow
+    if (currentNode.type === 'Literal' || currentNode.type === 'JSXText') {
+      return String(currentNode.value);
+    }
+    if (currentNode.type === 'JSXElement') {
+      return getAccessibleChildText(currentNode, elementType);
+    }
+    return '';
+  }).join(' ');
+  return standardizeSpaceAndCase(rawChildText);
+}
+module.exports = exports.default;