Function CallExpression

tools/eslint-rules/no-duplicate-requires.js:36–51

(node)

    return {
      CallExpression(node) {
        if (isRequireCall(node)) {
          const [firstArg] = node.arguments;
          if (isString(firstArg)) {
            const moduleName = firstArg.value.trim();
            if (requiredModules.has(moduleName)) {
              context.report({
                node,
                message: `'${moduleName}' require is duplicated.`,
              });
            } else if (isTopLevel(node)) {
              requiredModules.add(moduleName);
            }
          }
        }
      },
    };
  },
};