@jsxtools/eslint-plugin-jsx-a11y/lib/util/getAccessibleChildText.js

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

import { getLiteralPropValue, getProp } from './module/jsx-ast-utils.js';
import isHiddenFromScreenReader from './isHiddenFromScreenReader.js';

function standardizeSpaceAndCase(input) {
  return input.trim().replace(/[,.?¿!‽¡;:]/g, "").replace(/\s\s+/g, " ").toLowerCase();
}
function getAccessibleChildText(node, elementType) {
  const ariaLabel = getLiteralPropValue(getProp(node.openingElement.attributes, "aria-label"));
  if (ariaLabel)
    return standardizeSpaceAndCase(ariaLabel);
  const altTag = getLiteralPropValue(getProp(node.openingElement.attributes, "alt"));
  if (elementType(node.openingElement) === "img" && altTag)
    return standardizeSpaceAndCase(altTag);
  if (isHiddenFromScreenReader(
    elementType(node.openingElement),
    node.openingElement.attributes
  )) {
    return "";
  }
  const rawChildText = node.children.map((currentNode) => {
    if (currentNode.type === "Literal" || currentNode.type === "JSXText") {
      return String(currentNode.value);
    }
    if (currentNode.type === "JSXElement") {
      return getAccessibleChildText(currentNode, elementType);
    }
    return "";
  }).join(" ");
  return standardizeSpaceAndCase(rawChildText);
}

export { getAccessibleChildText as default };