2 files changed, 27 insertions(+), 1 deletions(-)

A lua/lexers/typescript.lua
M lua/plugins/filetype.lua

@@ 0,0 1,23 @@
+-- Copyright 2021 Mitchell. See LICENSE.
+-- TypeScript LPeg lexer.
+
+local lexer = require('lexer')
+local token, word_match = lexer.token, lexer.word_match
+local P, S = lpeg.P, lpeg.S
+
+local lex = lexer.new('typescript', {inherit = lexer.load('javascript')})
+
+-- Whitespace
+lex:modify_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
+
+-- Keywords.
+lex:modify_rule('keyword', token(lexer.KEYWORD, word_match[[
+  abstract as constructor declare is module namespace require type
+]]) + lex:get_rule('keyword'))
+
+-- Types.
+lex:modify_rule('type', token(lexer.TYPE, word_match[[
+  boolean number bigint string unknown any void never symbol object
+]]) + lex:get_rule('type'))
+
+return lex

@@ 204,7 204,7 @@ vis.ftdetect.filetypes = {
 		ext = { "%.bsh$", "%.java$" },
 	},
 	javascript = {
-		ext = { "%.cjs$", "%.js$", "%.jsfl$", "%.mjs$", "%.ts$" },
+		ext = { "%.cjs$", "%.js$", "%.jsfl$", "%.mjs$" },
 	},
 	jq = {
 		ext = { "%.jq$" },


@@ 424,6 424,9 @@ vis.ftdetect.filetypes = {
 	toml = {
 		ext = { "%.toml$" },
 	},
+	typescript = {
+		ext = { "%.ts$" },
+	},
 	vala = {
 		ext = { "%.vala$" }
 	},