Initial commit

frontend/webapp/node_modules/eslint-plugin-jsx-a11y/lib/util/mayContainChildComponent.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = mayContainChildComponent;
+var _jsxAstUtils = require("jsx-ast-utils");
+var _minimatch = _interopRequireDefault(require("minimatch"));
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
+/**
+ * Returns true if it can positively determine that the element lacks an
+ * accessible label. If no determination is possible, it returns false. Treat
+ * false as an unknown value. The element might still have an accessible label,
+ * but this module cannot determine it positively.
+ *
+ * 
+ */
+
+function mayContainChildComponent(root, componentName) {
+  var maxDepth = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
+  var elementType = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _jsxAstUtils.elementType;
+  function traverseChildren(node, depth) {
+    // Bail when maxDepth is exceeded.
+    if (depth > maxDepth) {
+      return false;
+    }
+    if (node.children) {
+      /* $FlowFixMe */
+      for (var i = 0; i < node.children.length; i += 1) {
+        /* $FlowFixMe */
+        var childNode = node.children[i];
+        // Assume an expression container renders a label. It is the best we can
+        // do in this case.
+        if (childNode.type === 'JSXExpressionContainer') {
+          return true;
+        }
+        // Check for components with the provided name.
+        if (childNode.type === 'JSXElement' && childNode.openingElement && (0, _minimatch["default"])(elementType(childNode.openingElement), componentName)) {
+          return true;
+        }
+        if (traverseChildren(childNode, depth + 1)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+  return traverseChildren(root, 1);
+}
+module.exports = exports.default;