update script end tag parsing to allow whitespace after tagname

src/compiler/parse/read/script.ts

@@ -3,7 +3,7 @@ import { Parser } from '../index';
 import { Script } from '../../interfaces';
 import { Node, Program } from 'estree';
 
-const script_closing_tag = '</script>';
+// const script_closing_tag = '</script>';
 
 function get_context(parser: Parser, attributes: any[], start: number): string {
 	const context = attributes.find(attribute => attribute.name === 'context');
@@ -28,19 +28,22 @@ function get_context(parser: Parser, attributes: any[], start: number): string {
 	return value;
 }
 
+
+const RE_SCRIPT_END = /<\/script\s*>/;
+
 export default function read_script(parser: Parser, start: number, attributes: Node[]): Script {
 	const script_start = parser.index;
-	const script_end = parser.template.indexOf(script_closing_tag, script_start);
+	const script_end = RE_SCRIPT_END.exec(parser.template.slice(script_start));
-
+	
-	if (script_end === -1) parser.error({
+	if (!script_end) parser.error({
 		code: `unclosed-script`,
 		message: `<script> must have a closing tag`
 	});
 
 	const source = parser.template.slice(0, script_start).replace(/[^\n]/g, ' ') +
-		parser.template.slice(script_start, script_end);
+		parser.template.slice(script_start, script_end.index + script_start);
-	parser.index = script_end + script_closing_tag.length;
+	parser.index = script_end.index + script_end[0].length + script_start ;
-
+	
 	let ast: Program;
 
 	try {

test/parser/samples/script-whitespace-after-tagname/input.svelte

@@ -0,0 +1,10 @@
+<script>
+	let name = 'world';
+</script     
+
+
+
+
+>
+
+<h1>Hello {name}!</h1>

test/parser/samples/script-whitespace-after-tagname/output.json

@@ -0,0 +1,150 @@
+{
+	"html": {
+		"start": 51,
+		"end": 73,
+		"type": "Fragment",
+		"children": [
+			{
+				"start": 49,
+				"end": 51,
+				"type": "Text",
+				"raw": "\n\n",
+				"data": "\n\n"
+			},
+			{
+				"start": 51,
+				"end": 73,
+				"type": "Element",
+				"name": "h1",
+				"attributes": [],
+				"children": [
+					{
+						"start": 55,
+						"end": 61,
+						"type": "Text",
+						"raw": "Hello ",
+						"data": "Hello "
+					},
+					{
+						"start": 61,
+						"end": 67,
+						"type": "MustacheTag",
+						"expression": {
+							"type": "Identifier",
+							"start": 62,
+							"end": 66,
+							"loc": {
+								"start": {
+									"line": 10,
+									"column": 11
+								},
+								"end": {
+									"line": 10,
+									"column": 15
+								}
+							},
+							"name": "name"
+						}
+					},
+					{
+						"start": 67,
+						"end": 68,
+						"type": "Text",
+						"raw": "!",
+						"data": "!"
+					}
+				]
+			}
+		]
+	},
+	"instance": {
+		"type": "Script",
+		"start": 0,
+		"end": 49,
+		"context": "default",
+		"content": {
+			"type": "Program",
+			"start": 8,
+			"end": 30,
+			"loc": {
+				"start": {
+					"line": 1,
+					"column": 0
+				},
+				"end": {
+					"line": 3,
+					"column": 0
+				}
+			},
+			"body": [
+				{
+					"type": "VariableDeclaration",
+					"start": 10,
+					"end": 29,
+					"loc": {
+						"start": {
+							"line": 2,
+							"column": 1
+						},
+						"end": {
+							"line": 2,
+							"column": 20
+						}
+					},
+					"declarations": [
+						{
+							"type": "VariableDeclarator",
+							"start": 14,
+							"end": 28,
+							"loc": {
+								"start": {
+									"line": 2,
+									"column": 5
+								},
+								"end": {
+									"line": 2,
+									"column": 19
+								}
+							},
+							"id": {
+								"type": "Identifier",
+								"start": 14,
+								"end": 18,
+								"loc": {
+									"start": {
+										"line": 2,
+										"column": 5
+									},
+									"end": {
+										"line": 2,
+										"column": 9
+									}
+								},
+								"name": "name"
+							},
+							"init": {
+								"type": "Literal",
+								"start": 21,
+								"end": 28,
+								"loc": {
+									"start": {
+										"line": 2,
+										"column": 12
+									},
+									"end": {
+										"line": 2,
+										"column": 19
+									}
+								},
+								"value": "world",
+								"raw": "'world'"
+							}
+						}
+					],
+					"kind": "let"
+				}
+			],
+			"sourceType": "module"
+		}
+	}
+}