chore: update acorn parser ecmaVersion to parse import attributes (#16098)

* bump acorn parser version

* fix failing tests

* lint

Author: Ocean-OS

.changeset/brave-baboons-suffer.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+chore: update acorn parser `ecmaVersion` to parse import attributes

packages/svelte/src/compiler/phases/1-parse/acorn.js

@@ -36,7 +36,7 @@ export function parse(source, typescript, is_script) {
 		ast = parser.parse(source, {
 			onComment,
 			sourceType: 'module',
-			ecmaVersion: 13,
+			ecmaVersion: 16,
 			locations: true
 		});
 	} finally {
@@ -64,7 +64,7 @@ export function parse_expression_at(source, typescript, index) {
 	const ast = parser.parseExpressionAt(source, index, {
 		onComment,
 		sourceType: 'module',
-		ecmaVersion: 13,
+		ecmaVersion: 16,
 		locations: true
 	});
 

packages/svelte/tests/parser-legacy/samples/action-duplicate/output.json

@@ -15,16 +15,16 @@
 						"end": 20,
 						"type": "Action",
 						"name": "autofocus",
-						"modifiers": [],
-						"expression": null
+						"expression": null,
+						"modifiers": []
 					},
 					{
 						"start": 21,
 						"end": 34,
 						"type": "Action",
 						"name": "autofocus",
-						"modifiers": [],
-						"expression": null
+						"expression": null,
+						"modifiers": []
 					}
 				],
 				"children": []

packages/svelte/tests/parser-legacy/samples/action-with-call/output.json

@@ -15,7 +15,6 @@
 						"end": 39,
 						"type": "Action",
 						"name": "tooltip",
-						"modifiers": [],
 						"expression": {
 							"type": "CallExpression",
 							"start": 21,
@@ -66,7 +65,8 @@
 								}
 							],
 							"optional": false
-						}
+						},
+						"modifiers": []
 					}
 				],
 				"children": []

packages/svelte/tests/parser-legacy/samples/action-with-identifier/output.json

@@ -15,7 +15,6 @@
 						"end": 28,
 						"type": "Action",
 						"name": "tooltip",
-						"modifiers": [],
 						"expression": {
 							"type": "Identifier",
 							"start": 20,
@@ -31,7 +30,8 @@
 								}
 							},
 							"name": "message"
-						}
+						},
+						"modifiers": []
 					}
 				],
 				"children": []

packages/svelte/tests/parser-legacy/samples/action-with-literal/output.json

@@ -15,7 +15,6 @@
 						"end": 36,
 						"type": "Action",
 						"name": "tooltip",
-						"modifiers": [],
 						"expression": {
 							"type": "Literal",
 							"start": 21,
@@ -32,7 +31,8 @@
 							},
 							"value": "tooltip msg",
 							"raw": "'tooltip msg'"
-						}
+						},
+						"modifiers": []
 					}
 				],
 				"children": []

packages/svelte/tests/parser-legacy/samples/action/output.json

@@ -15,8 +15,8 @@
 						"end": 20,
 						"type": "Action",
 						"name": "autofocus",
-						"modifiers": [],
-						"expression": null
+						"expression": null,
+						"modifiers": []
 					}
 				],
 				"children": []

packages/svelte/tests/parser-legacy/samples/animation/output.json

@@ -20,8 +20,8 @@
 								"end": 50,
 								"type": "Animation",
 								"name": "flip",
-								"modifiers": [],
-								"expression": null
+								"expression": null,
+								"modifiers": []
 							}
 						],
 						"children": [

packages/svelte/tests/parser-legacy/samples/attribute-class-directive/output.json

@@ -15,7 +15,6 @@
 						"end": 22,
 						"type": "Class",
 						"name": "foo",
-						"modifiers": [],
 						"expression": {
 							"type": "Identifier",
 							"start": 16,
@@ -31,7 +30,8 @@
 								}
 							},
 							"name": "isFoo"
-						}
+						},
+						"modifiers": []
 					}
 				],
 				"children": []

packages/svelte/tests/parser-legacy/samples/attribute-with-whitespace/output.json

@@ -15,7 +15,6 @@
 						"end": 23,
 						"type": "EventHandler",
 						"name": "click",
-						"modifiers": [],
 						"expression": {
 							"type": "Identifier",
 							"start": 19,
@@ -31,7 +30,8 @@
 								}
 							},
 							"name": "foo"
-						}
+						},
+						"modifiers": []
 					}
 				],
 				"children": [