language-configuration.json

// Because multiple of these configs don't work in embedded languages
// Some of their respected config options will be brought into this file
{
	"comments": {
		// symbol used for single line comment. Remove this entry if your language does not support line comments
		"lineComment": "\"comment\": \"\",",
		// symbols used for start and end a block comment. Remove this entry if your language does not support block comments
		"blockComment": [ "\"//\": {", "}" ]
	},
	// symbols used as brackets
	"brackets": [
		["{", "}"],
		["[", "]"]
	],
	// symbols that are auto closed when typing
	"autoClosingPairs": [ // https://github.com/microsoft/vscode/issues/133397
		["${", "}"],
		["{", "}"],
		["\\\\[:", ""],
		["[:", ":]"],
		["\\\\[", ""],
		["[", "]"],
		["\\\"", ""],
		["\"", "\""],
		["\\\\(", ""], // Disable auto closing when escaped
		["(", ")"], // Fallback for `regex.language-configuration.json`
		["(?'", "'"],
		["(?(<", ">"],
		["(?('", "'"],
		["\\\\g<", ">"],
		["\\\\g'", "'"],
		["\\\\k<", ">"],
		["\\\\k'", "'"]
	],
	"autoCloseBefore": "[]{}()|:,\\\" \n\t", // https://github.com/microsoft/vscode/issues/133397
	// symbols that can be used to surround a selection
	"surroundingPairs": [ // Doesn't work in embedded languages
		["{", "}"],
		["[", "]"],
		["\"", "\""],
		["(", ")"] // Fallback for `regex.language-configuration.json`
	],
	// symbols that can be colourized
	"colorizedBracketPairs": [
		["${", "}"],
		["{", "}"],
		["[", "]"]
	],
	// "wordPattern" doesn't support `atomic` groups or `possessive quantifiers`, leading to catastrophic backtracking. Workaround is to use a lookahead and backreference /(?=(?<name>)...)\\k<name>/
	// "wordPattern" is used in reference for intellisense suggestion triggering, word highlighting and ctrl+hover definitions
	"wordPattern": "(?<=(^|(?<!\\\\)[\\[\\]{}:,\\t])\\s*)(?=(?<json>[\\w/$]+))\\k<json>(?=\\s*($|[\\[\\]{}:,\"\\t](?!\\\\)))|(?<=(?<!\\\\)[\"\\s]|\\b[LR]:)(?=(?<string>[a-zA-Z$/][\\w./$-]*\\w))\\k<string>(?=[\"\\s])|(?<=(?<!\\\\)\")(?!\")(?=(?<include>[\\w.$-]*#?[\\w.#$-]*))\\k<include>(?=\")"
}