@jsxtools/eslint-plugin-jsx-a11y/lib/rule/tabindex-no-positive.js

Static AST checker for accessibility rules on JSX elements for flat ESLint Config.

import { propName, getLiteralPropValue } from '../util/module/jsx-ast-utils.js';
import { generateObjSchema } from '../util/schemas.js';

const errorMessage = "Avoid positive integer values for tabIndex.";
const schema = generateObjSchema();
const ruleOfTabindexNoPositive = {
  meta: {
    docs: {
      url: "https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/tree/HEAD/docs/rules/tabindex-no-positive.md",
      description: "Enforce `tabIndex` value is not greater than zero."
    },
    schema: [schema]
  },
  create: (context) => ({
    JSXAttribute: (attribute) => {
      const name = propName(attribute).toUpperCase();
      if (name !== "TABINDEX") {
        return;
      }
      const value = Number(getLiteralPropValue(attribute));
      if (isNaN(value) || value <= 0) {
        return;
      }
      context.report({
        node: attribute,
        message: errorMessage
      });
    }
  })
};

export { ruleOfTabindexNoPositive as default };