Fatal error on template ending with single {

[amby]

If you run:

let result = try Template("{")

you'll get:

Fatal error: String index is out of bounds

at line 12 of StringExtension.swift.

[mattt]

Hi @amby. Thanks for reporting this. This is fixed in the v2 release. As part of that #26, I added a test case to test for incomplete / invalid template strings here:

swift-jinja/Tests/JinjaTests/TemplateTests.swift

Lines 22 to 42 in 33675b4

	@Test("Invalid template")
	func invalidTemplate() throws {
	let string = "{{"
	let context: Context = [:]
	let tokens = try Lexer.tokenize(string)
	#expect(
	tokens == [
	Token(kind: .openExpression, value: "{{", position: 0),
	Token(kind: .eof, value: "", position: 2),
	]
	)
	#expect(throws: JinjaError.self) {
	try Parser.parse(tokens)
	}
	#expect(throws: JinjaError.self) {
	try Template(string).render(context)
	}
	}

[mattt]

This is now available in the 2.0.0 release