Added support for EditorConfig (PrismJS#2471)

components.json

@@ -295,6 +295,10 @@
 			"title": "EBNF",
 			"owner": "RunDevelopment"
 		},
+		"editorconfig": {
+			"title": "EditorConfig",
+			"owner": "osipxd"
+		},
 		"eiffel": {
 			"title": "Eiffel",
 			"owner": "Conaclos"

components/prism-editorconfig.js

@@ -0,0 +1,21 @@
+Prism.languages.editorconfig = {
+	// https://editorconfig-specification.readthedocs.io/en/latest/
+	'comment': /[;#].*/,
+	'section': {
+		pattern: /^[ \t]*\[.+]/m,
+		alias: 'keyword',
+		inside: {
+			'regex': /\\\\[\[\]{},!?.*]/, // Escape special characters with '\\'
+			'operator': /[!?]|\.\.|\*{1,2}/,
+			'punctuation': /[\[\]{},]/
+		}
+	},
+	'property': /^[ \t]*[^\s=]+(?=[ \t]*=)/m,
+	'value': {
+		pattern: /=.*/,
+		alias: 'string',
+		inside: {
+			'punctuation': /^=/
+		}
+	}
+};

examples/prism-editorconfig.html

@@ -0,0 +1,47 @@
+<h2>Comment</h2>
+<pre><code># This is a comment
+; And this is too</code></pre>
+
+<h2>Section Header</h2>
+<pre><code>[*]
+[*.js]
+[*.{bash,sh,zsh}]</code></pre>
+
+<h2>Key-Value Pair</h2>
+<pre><code>key = value
+indent_style = space</code></pre>
+
+<h2>Full example</h2>
+<pre><code># EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*.{js,py}]
+charset = utf-8
+
+# 4 space indentation
+[*.py]
+indent_style = space
+indent_size = 4
+
+# Tab indentation (no size specified)
+[Makefile]
+indent_style = tab
+
+# Indentation override for all JS under lib directory
+[lib/**.js]
+indent_style = space
+indent_size = 2
+
+# Matches the exact files either package.json or .travis.yml
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2</code></pre>

plugins/show-language/prism-show-language.js

@@ -57,6 +57,7 @@
 		"dns-zone": "DNS zone file",
 		"dockerfile": "Docker",
 		"ebnf": "EBNF",
+		"editorconfig": "EditorConfig",
 		"ejs": "EJS",
 		"etlua": "Embedded Lua templating",
 		"erb": "ERB",

tests/languages/editorconfig/comment_feature.test

@@ -0,0 +1,15 @@
+;
+; comment
+# comment can also contain ; and #
+
+----------------------------------------------------
+
+[
+	["comment", ";"],
+	["comment", "; comment"],
+	["comment", "# comment can also contain ; and #"]
+]
+
+----------------------------------------------------
+
+Checks for comments.

tests/languages/editorconfig/key_value_feature.test

@@ -0,0 +1,21 @@
+foo = Bar Baz
+foobar = 42
+
+----------------------------------------------------
+
+[
+	["property", "foo"],
+	["value", [
+		["punctuation", "="],
+		" Bar Baz"
+	]],
+	["property", "foobar"],
+	["value", [
+		["punctuation", "="],
+		" 42"
+	]]
+]
+
+----------------------------------------------------
+
+Checks for key/value pairs.

tests/languages/editorconfig/section_feature.test

@@ -0,0 +1,34 @@
+[*]
+[**.kt]
+[{**.kt, **.kts}]
+[?[!seq].log.{0..9}]
+[\\**.log]
+
+----------------------------------------------------
+
+[
+	["section", [
+		["punctuation", "["], ["operator", "*"], ["punctuation", "]"]
+	]],
+	["section", [
+		["punctuation", "["], ["operator", "**"], ".kt", ["punctuation", "]"]
+	]],
+	["section", [
+		["punctuation", "["],  ["punctuation", "{"],
+		["operator", "**"], ".kt", ["punctuation", ","], ["operator", "**"], ".kts",
+		["punctuation", "}"], ["punctuation", "]"]
+	]],
+	["section", [
+		["punctuation", "["], ["operator", "?"],
+		["punctuation", "["], ["operator", "!"], "seq", ["punctuation", "]"],
+		".log.", ["punctuation", "{"], "0", ["operator", ".."], "9", ["punctuation", "}"],
+		["punctuation", "]"]
+	]],
+	["section", [
+    	["punctuation", "["], ["regex", "\\\\*"], ["operator", "*"], ".log", ["punctuation", "]"]
+    ]]
+]
+
+----------------------------------------------------
+
+Checks for section titles.