Implement remainder of redirects

eleventy.config.js

@@ -24,7 +24,6 @@ module.exports = (eleventyConfig) => {
   eleventyConfig.addPassthroughCopy('source/assets/img');
   eleventyConfig.addPassthroughCopy('source/favicon.ico');
   eleventyConfig.addPassthroughCopy('source/icon.png');
-  eleventyConfig.addPassthroughCopy('source/_redirects');
   eleventyConfig.addPassthroughCopy('source/browserconfig.xml');
   eleventyConfig.addPassthroughCopy('source/tile.png');
   eleventyConfig.addPassthroughCopy('source/tile-wide.png');

source/_data/redirects.yml

@@ -0,0 +1,30 @@
+- from:
+    - /d/random-with-units
+    - /documentation/breaking-changes/random-with-units
+    - /d/color-units
+    - /documentation/breaking-changes/color-units
+  to: /documentation/breaking-changes/function-units
+- from:
+    - /docs/yardoc/file.SASS_REFERENCE.html
+    - /documentation/file.SASS_REFERENCE.html
+  to: /documentation
+- from:
+    - /docs/yardoc/file.SASS_CHANGELOG.html
+    - /documentation/file.SASS_CHANGELOG.html
+  to: https://github.com/sass/dart-sass/blob/main/CHANGELOG.md
+- from:
+    - /docs/yardoc/file.INDENTED_SYNTAX.html
+    - /documentation/file.INDENTED_SYNTAX.html
+    - /docs/yardoc/file.SCSS_FOR_SASS_USERS.html
+    - /documentation/file.SCSS_FOR_SASS_USERS.html
+  to: /documentation/syntax
+- from:
+    - /docs/yardoc/Sass/Script/Functions.html
+    - /documentation/Sass/Script/Functions.html
+    - /docs/yardoc/functions.html
+    - /documentation/functions.html
+  to: /documentation/modules
+- from:
+    - /docs/yardoc/functions/css.html
+    - /documentation/functions/css.html
+  to: /documentation/at-rules/function/#plain-css-functions

source/_redirects

@@ -1,17 +0,0 @@
-/feed                 /feed.xml                                     200
-/sitemap              /sitemap.xml                                  200
-/tutorial             /guide
-/download             /install
-/try                  https://www.sassmeister.com
-/about                /
-
-/blog/posts/560719    /blog/dropping-support-for-old-ruby-versions
-/blog/posts/1305238   /blog/dart-sass-is-on-chocolatey
-/blog/posts/1404451   /blog/sass-and-browser-compatibility
-/blog/posts/1909151   /blog/dart-sass-is-in-beta
-/blog/posts/7081811   /blog/ruby-sass-is-deprecated
-
-/d/random-with-units  /documentation/breaking-changes/function-units
-/documentation/breaking-changes/random-with-units   /documentation/breaking-changes/function-units
-/d/color-units        /documentation/breaking-changes/function-units
-/documentation/breaking-changes/color-units         /documentation/breaking-changes/function-units

source/_redirects.liquid

@@ -0,0 +1,35 @@
+---
+permalink: '/_redirects'
+eleventyExcludeFromCollections: true
+---
+/feed                 /feed.xml                                     200
+/sitemap              /sitemap.xml                                  200
+/tutorial             /guide
+/download             /install
+/try                  https://www.sassmeister.com
+/about                /
+
+/blog/posts/560719    /blog/dropping-support-for-old-ruby-versions
+/blog/posts/1305238   /blog/dart-sass-is-on-chocolatey
+/blog/posts/1404451   /blog/sass-and-browser-compatibility
+/blog/posts/1909151   /blog/dart-sass-is-in-beta
+/blog/posts/7081811   /blog/ruby-sass-is-deprecated
+
+{% for r in redirects -%}
+{%- for from in r.from %}
+{%- for to in r.to %}
+{{ from }}            {{ to }}
+{%- endfor -%}
+{%- endfor -%}
+{%- endfor %}
+
+{%- assign mods = 'color list map math meta selector string' | split: ' ' -%}
+{%- for mod in mods %}
+/docs/yardoc/functions/{{ mod }}.html     /documentation/modules/{{ mod }}/
+/documentation/functions/{{ mod }}.html   /documentation/modules/{{ mod }}/
+{%- endfor -%}
+
+{%- assign breaking = 'bogus-combinators css-vars duplicate-var-flags extend-compound function-units media-logic moz-document slash-div strict-unary' | split: ' ' -%}
+{%- for b in breaking %}
+/d/{{ b }}.html         /documentation/breaking-changes/{{ b }}/
+{%- endfor -%}