diff --git a/rc/filetype/graphql.kak b/rc/filetype/graphql.kak
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+++ b/rc/filetype/graphql.kak
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+# http://graphql.org
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*[.](graphql) %{
+    set-option buffer filetype graphql
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=graphql %{
+    require-module graphql
+
+    hook window ModeChange pop:insert:.* -group graphql-trim-indent  graphql-trim-indent
+    hook window InsertChar .* -group graphql-indent graphql-indent-on-char
+    hook window InsertChar \n -group graphql-indent graphql-indent-on-new-line
+
+    hook -once -always window WinSetOption filetype=.* %{ remove-hooks window graphql-.+ }
+}
+
+hook -group graphql-highlight global WinSetOption filetype=graphql %{
+    add-highlighter window/graphql ref graphql
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/graphql }
+}
+
+
+provide-module graphql %(
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/graphql regions
+add-highlighter shared/graphql/code default-region group
+add-highlighter shared/graphql/string region '"' (?<!\\)(\\\\)*" fill string
+add-highlighter shared/graphql/comment region '#' \n fill comment
+
+add-highlighter shared/graphql/code/ regex \b(fragment|query|mutation|on)\b 0:keyword
+add-highlighter shared/graphql/code/ regex \b(true|false|null|\d+(?:\.\d+)?(?:[eE][+-]?\d*)?)\b 0:value
+add-highlighter shared/graphql/code/ regex \$[a-zA-Z0-9]+\b 0:value
+add-highlighter shared/graphql/code/ regex @(?:include|skip) 0:meta
+add-highlighter shared/graphql/code/ regex \b(Boolean|Float|ID|Int|String)\b 0:type
+add-highlighter shared/graphql/code/ regex ! 0:operator
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+define-command -hidden graphql-trim-indent %{
+    # remove trailing white spaces
+    try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
+}
+
+define-command -hidden graphql-indent-on-char %<
+    evaluate-commands -draft -itersel %<
+        # align closer token to its opener when alone on a line
+        try %< execute-keys -draft <a-h> <a-k> ^\h+[\]}]$ <ret> m <a-S> 1<a-&> >
+    >
+>
+
+define-command -hidden graphql-indent-on-new-line %<
+    evaluate-commands -draft -itersel %<
+        # preserve previous line indent
+        try %{ execute-keys -draft <semicolon> K <a-&> }
+        # filter previous line
+        try %{ execute-keys -draft k : graphql-trim-indent <ret> }
+        # indent after lines ending with opener token
+        try %< execute-keys -draft k <a-x> <a-k> [[{]\h*$ <ret> j <a-gt> >
+        # deindent closer token(s) when after cursor
+        try %< execute-keys -draft <a-x> <a-k> ^\h*[}\]] <ret> gh / [}\]] <ret> m <a-S> 1<a-&> >
+    >
+>
+
+)