init source

node_modules/eslint-plugin-jsx-a11y/lib/rules/tabindex-no-positive.js

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+"use strict";
+
+var _jsxAstUtils = require("jsx-ast-utils");
+
+var _schemas = require("../util/schemas");
+
+/**
+ * @fileoverview Enforce tabIndex value is not greater than zero.
+ * @author Ethan Cohen
+ */
+// ----------------------------------------------------------------------------
+// Rule Definition
+// ----------------------------------------------------------------------------
+var errorMessage = 'Avoid positive integer values for tabIndex.';
+var schema = (0, _schemas.generateObjSchema)();
+module.exports = {
+  meta: {
+    docs: {
+      url: 'https://github.com/evcohen/eslint-plugin-jsx-a11y/tree/master/docs/rules/tabindex-no-positive.md'
+    },
+    schema: [schema]
+  },
+  create: function create(context) {
+    return {
+      JSXAttribute: function JSXAttribute(attribute) {
+        var name = (0, _jsxAstUtils.propName)(attribute).toUpperCase(); // Check if tabIndex is the attribute
+
+        if (name !== 'TABINDEX') {
+          return;
+        } // Only check literals because we can't infer values from certain expressions.
+
+
+        var value = Number((0, _jsxAstUtils.getLiteralPropValue)(attribute)); // eslint-disable-next-line no-restricted-globals
+
+        if (isNaN(value) || value <= 0) {
+          return;
+        }
+
+        context.report({
+          node: attribute,
+          message: errorMessage
+        });
+      }
+    };
+  }
+};