feat: add support for svelte

lua/nvim-treesitter/parsers.lua

@@ -446,6 +446,15 @@ list.devicetree = {
   maintainers = { "@jedrzejboczar" },
 }
 
+list.svelte = {
+  install_info = {
+    url = "https://github.com/Himujjal/tree-sitter-svelte",
+    files = { "src/parser.c", "src/scanner.cc" },
+    branch = "master",
+  },
+  maintainers = { "@elianiva" },
+}
+
 local M = {
   list = list
 }

queries/svelte/folds.scm

@@ -0,0 +1,9 @@
+[
+ (style_element)
+ (script_element)
+ (element)
+ (if_statement)
+ (else_statement)
+ (each_statement)
+ (await_statement)
+] @fold

queries/svelte/highlights.scm

@@ -0,0 +1,29 @@
+(tag_name) @tag
+(attribute_name) @property
+(attribute_value) @string
+(quoted_attribute_value) @string
+(comment) @comment
+
+[
+  (special_block_keyword)
+  (then)
+  (as)
+] @keyword
+
+[
+  "{"
+  "}"
+] @punctuation.bracket
+
+"=" @operator
+
+[
+  "<"
+  ">"
+  "</"
+  "/>"
+  "#"
+  ":"
+  "/"
+  "@"
+] @tag.delimiter

queries/svelte/indents.scm

@@ -0,0 +1,16 @@
+[
+  (element)
+  (if_statement)
+  (each_statement)
+  (await_statement)
+] @indent
+
+[
+  (end_tag)
+  (else_statement)
+  (if_end_expr)
+  (each_end_expr)
+  (await_end_expr)
+  ">"
+  "/>"
+] @branch

queries/svelte/injections.scm

@@ -0,0 +1,16 @@
+((style_element
+  (raw_text) @css))
+
+((script_element
+  (raw_text) @javascript))
+
+((raw_text_expr) @javascript)
+
+(
+  (script_element
+    (start_tag
+      (attribute
+        (quoted_attribute_value (attribute_value) @_lang)))
+    (raw_text) @typescript)
+  (#match? @_lang "(ts|typescript)")
+)