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gridsome-plugin-robots

Create robots.txt for your Gridsome site.

This gridsome plugin is ported from a gatsby plugin by Marat Dreizin https://github.com/mdreizin/gatsby-plugin-robots-txt

Install

yarn add gridsome-plugin-robots

or

npm install --save gridsome-plugin-robots

How To Use

gridsome.config.js

module.exports = {
  siteUrl: process.env.SITE_URL || 'https://www.example.com',
  plugins: ['gridsome-plugin-robots']
};

Options

This plugin uses generate-robotstxt to generate content of robots.txt and it has the following options:

Name Type Default Description
host String ${siteMetadata.siteUrl} Host of your site
sitemap String / String[] ${siteMetadata.siteUrl}/sitemap.xml Path(s) to sitemap.xml
policy Policy[] [] List of Policy rules
configFile String undefined Path to external config file
output String /robots.txt Path where to create the robots.txt

gridsome.config.js

module.exports = {
  plugins: [
    {
      use: 'gridsome-plugin-robots',
      options: {
        host: 'https://www.example.com',
        sitemap: 'https://www.example.com/sitemap.xml',
        policy: [{ userAgent: '*', allow: '/' }]
      }
    }
  ]
};

env-option

gridsome.config.js

module.exports = {
  plugins: [
    {
      resolve: 'gridsome-plugin-robots',
      options: {
        host: 'https://www.example.com',
        sitemap: 'https://www.example.com/sitemap.xml',
        env: {
          development: {
            policy: [{ userAgent: '*', disallow: ['/'] }]
          },
          production: {
            policy: [{ userAgent: '*', allow: '/' }]
          }
        }
      }
    }
  ]
};

The env key will be taken from process.env.SITE_ENV first (see [Site hosting environment](It is custom environment), falling back to process.env.NODE_ENV. When this is not available then it defaults to development.

You can resolve the env key by using resolveEnv function:

gridsome.config.js

module.exports = {
  plugins: [
    {
      resolve: 'gridsome-plugin-robots',
      options: {
        host: 'https://www.example.com',
        sitemap: 'https://www.example.com/sitemap.xml',
        resolveEnv: () => process.env.WEBSITE_ENV_TYPE,
        env: {
          development: {
            policy: [{ userAgent: '*', disallow: ['/'] }]
          },
          production: {
            policy: [{ userAgent: '*', allow: '/' }]
          }
        }
      }
    }
  ]
};

Netlify

If you would like to disable crawlers for deploy-previews you can use the following snippet:

gridsome.config.js

const {
  NODE_ENV,
  URL: NETLIFY_SITE_URL = 'https://www.example.com',
  DEPLOY_PRIME_URL: NETLIFY_DEPLOY_URL = NETLIFY_SITE_URL,
  CONTEXT: NETLIFY_ENV = NODE_ENV
} = process.env;
const isNetlifyProduction = NETLIFY_ENV === 'production';
const siteUrl = isNetlifyProduction ? NETLIFY_SITE_URL : NETLIFY_DEPLOY_URL;

module.exports = {
  siteUrl,
  plugins: [
    {
      resolve: 'gridsome-plugin-robots',
      options: {
        resolveEnv: () => NETLIFY_ENV,
        env: {
          production: {
            policy: [{ userAgent: '*' }]
          },
          'branch-deploy': {
            policy: [{ userAgent: '*', disallow: ['/'] }],
            sitemap: null,
            host: null
          },
          'deploy-preview': {
            policy: [{ userAgent: '*', disallow: ['/'] }],
            sitemap: null,
            host: null
          }
        }
      }
    }
  ]
};

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Create `robots.txt` for your Gridsome site.

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