/**
 * @fileoverview disallow use of the Buffer() constructor
 * @author Teddy Katz
 * @deprecated in ESLint v7.0.0
 */
'use strict';

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

/** @type {import('../types').Rule.RuleModule} */
module.exports = {
  meta: {
    deprecated: {
      message: 'Node.js rules were moved out of ESLint core.',
      url: 'https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules',
      deprecatedSince: '7.0.0',
      availableUntil: null,
      replacedBy: [
        {
          message:
            'eslint-plugin-n now maintains deprecated Node.js-related rules.',
          plugin: {
            name: 'eslint-plugin-n',
            url: 'https://github.com/eslint-community/eslint-plugin-n',
          },
          rule: {
            name: 'no-deprecated-api',
            url: 'https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-deprecated-api.md',
          },
        },
      ],
    },

    type: 'problem',

    docs: {
      description: 'Disallow use of the `Buffer()` constructor',
      recommended: false,
      url: 'https://eslint.org/docs/latest/rules/no-buffer-constructor',
    },

    schema: [],

    messages: {
      deprecated:
        '{{expr}} is deprecated. Use Buffer.from(), Buffer.alloc(), or Buffer.allocUnsafe() instead.',
    },
  },

  create(context) {
    //----------------------------------------------------------------------
    // Public
    //----------------------------------------------------------------------

    return {
      "CallExpression[callee.name='Buffer'], NewExpression[callee.name='Buffer']"(
        node
      ) {
        context.report({
          node,
          messageId: 'deprecated',
          data: {
            expr: node.type === 'CallExpression' ? 'Buffer()' : 'new Buffer()',
          },
        });
      },
    };
  },
};