e-lado/node_modules0/eslint-plugin-jsx-a11y/scripts/addRuleToIndex.js

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export const parser = 'flow';

export default function transformer(file, api, options) {
  const j = api.jscodeshift;
  const s = j(file.source);
  const {
    ruleName,
    rulePath,
  } = options || {};

  const nameSort = (a, b) => {
    const aName = (a.key.type === 'Literal') ? a.key.value : a.key.name;
    const bName = (b.key.type === 'Literal') ? b.key.value : b.key.name;
    if (aName < bName) {
      return -1;
    }
    if (bName < aName) {
      return 1;
    }
    return 0;
  };

  let changesMade = 0;

  const rulePathInSrc = './' + rulePath.match(/src\/(.*)\.js/)[1];

  changesMade += s.find(j.Identifier, {
    name: 'rules'
  }).forEach((path, index) => {
    // Add rule path.
    if (index === 0) {
      path.parentPath.value.value.properties.unshift(
        j.property(
          'init',
          j.literal(ruleName),
          j.callExpression(
            j.identifier('require'),
            [
              j.literal(rulePathInSrc),
            ]
          ),
        )
      );
      path.parentPath.value.value.properties.sort(nameSort);
    }
    // Set default reporting to error.
    if (index === 1) {
      path.parentPath.value.value.properties.unshift(
        j.property(
          'init',
          j.literal('jsx-a11y/' + ruleName),
          j.literal('error'),
        )
      );
      path.parentPath.value.value.properties.sort(nameSort);
    }
  }).length;


  if (changesMade === 0) {
    return null;
  }

  return s.toSource({
    quote: 'single',
    trailingComma: true,
  });
}