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Community Plugin
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Gatsby Remark Orphans

This plugin aims to combat widows and orphans on pages generated from markdown files. It can be used with both gatsby-transformer-remark and gatsby-plugin-mdx via its gatsbyRemarkPlugins option.

By default it supports polish language. Plugin can be configured to support other languages too.

Installation

Install with npm:

npm install gatsby-remark-orphans

Install with yarn:

yarn add gatsby-remark-orphans

How to use

After installing gatsby-remark-orphans you can add it to your plugins list in your gatsby-config.js.

Configure with gatsby-transformer-remark:

// In your gatsby-config.js
plugins: [
  {
    resolve: `gatsby-transformer-remark`,
    options: {
      plugins: [`gatsby-remark-orphans`],
    },
  },
],

Configure with gatsby-plugin-mdx:

// In your gatsby-config.js
plugins: [
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        gatsbyRemarkPlugins: [`gatsby-remark-orphans`],
      },
    },
],

Configuration

gatsby-remark-orphans exposes a set of options that can be used to control and extend the behavior of the plugin.

Key Default Description
disableDefaultLocaleResolver false Disables extension of custom locale resolver with default behavior.
customLocaleResolver - Function that accepts a markdown node and returns a locale or undefined.
disableBuiltInHandlers false Disables usage of default orphan handlers when custom ones are specified.
customHandlers - An object of key value pairs for locale and array of handlers that should be used to remove orphans.
silenceReporting false Disables reporting in console, which primarily happens in case of missing locale or handlers.

Providing custom locale resolver.

By default gatsby-remark-orphans looks for locale in fields and frontmatter properties of the markdown node object. If you use a different marking system for you files you can use the customLocaleResolver option.

// In your gatsby-config.js
plugins: [
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        gatsbyRemarkPlugins: [
          {
            resolve: `gatsby-remark-orphans`,
            options: {
              customLocaleResolver: (markdownNode) => markdownNode.frontmatter.language
              // You can additionally disable the default locale resolver.
              // If that is done the default lookup for `local` in `fields` and `frontmatter`
              // will not be performed if the custom locale resolver fails to identify the language
              disableDefaultLocaleResolver: true,
            }
          }
        ],
      },
    },
],

Providing custom handlers for languages

If you want to use the plugin with other languages than polish you can provide custom handler via plugin options.

// In your gatsby-config.js
plugins: [
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        gatsbyRemarkPlugins: [
          {
            resolve: `gatsby-remark-orphans`,
            options: {
              customHandlers: {
                en: [{
                  regex: new RegExp(" and ", "g") // It is advised to use the global flag,
                  replacer: (match) => `${match.slice(0, -1)}\u00a0`
                }]
              }
              // You can additionally disable default handlers for a language if you want
              // to take full control over the orphan removal.
              disableBuiltInHandlers: true,
            }
          }
        ],
      },
    },
],

Silencing build logs

By default the plugin will warn about missing locales or missing handlers so you can catch what is not being processed. If you’re using some languages that do not require any handling you can disable reporting to get rid of the logs.

// In your gatsby-config.js
plugins: [
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        gatsbyRemarkPlugins: [
          {
            resolve: `gatsby-remark-orphans`,
            options: {
              silenceReporting: true
            }
          }
        ],
      },
    },
],
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