update acorn and parse expression as module script

package-lock.json

@@ -315,9 +315,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.3.1.tgz",
-      "integrity": "sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==",
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.0.tgz",
+      "integrity": "sha512-+G7P8jJmCHr+S+cLfQxygbWhXy+8YTVGzAkpEbcLo2mLoL7tij/VG41QSHACSf5QgYRhMZYHuNc6drJaO0Da+w==",
       "dev": true
     },
     "acorn-globals": {

package.json

@@ -68,7 +68,7 @@
     "@types/node": "^8.10.53",
     "@typescript-eslint/eslint-plugin": "^3.0.2",
     "@typescript-eslint/parser": "^3.0.2",
-    "acorn": "^7.3.1",
+    "acorn": "^7.4.0",
     "agadoo": "^1.1.0",
     "c8": "^5.0.1",
     "code-red": "^0.1.3",

src/compiler/parse/acorn.ts

@@ -3,11 +3,12 @@ import * as code_red from 'code-red';
 
 export const parse = (source: string): Node => code_red.parse(source, {
 	sourceType: 'module',
-	ecmaVersion: 11,
+	ecmaVersion: 12,
 	locations: true
 });
 
 export const parse_expression_at = (source: string, index: number): Node => code_red.parseExpressionAt(source, index, {
-	ecmaVersion: 11,
+	sourceType: 'module',
+	ecmaVersion: 12,
 	locations: true
 });

test/js/samples/import-meta/expected.js

@@ -0,0 +1,53 @@
+/* generated by Svelte vX.Y.Z */
+import {
+	SvelteComponent,
+	detach,
+	init,
+	insert,
+	noop,
+	safe_not_equal,
+	space,
+	text
+} from "svelte/internal";
+
+function create_fragment(ctx) {
+	let t0;
+	let t1;
+	let t2_value = import.meta.url + "";
+	let t2;
+
+	return {
+		c() {
+			t0 = text(/*url*/ ctx[0]);
+			t1 = space();
+			t2 = text(t2_value);
+		},
+		m(target, anchor) {
+			insert(target, t0, anchor);
+			insert(target, t1, anchor);
+			insert(target, t2, anchor);
+		},
+		p: noop,
+		i: noop,
+		o: noop,
+		d(detaching) {
+			if (detaching) detach(t0);
+			if (detaching) detach(t1);
+			if (detaching) detach(t2);
+		}
+	};
+}
+
+function instance($$self) {
+	const url = import.meta.url;
+	return [url];
+}
+
+class Component extends SvelteComponent {
+	constructor(options) {
+		super();
+		init(this, options, instance, create_fragment, safe_not_equal, {});
+	}
+}
+
+export default Component;

test/js/samples/import-meta/input.svelte

@@ -0,0 +1,6 @@
+<script>
+	const url = import.meta.url;
+</script>
+
+{ url }
+{ import.meta.url }

test/runtime/samples/numeric-seperator/_config.js

@@ -0,0 +1,3 @@
+export default {
+	html: `2048 2048`
+};

test/runtime/samples/numeric-seperator/main.svelte

@@ -0,0 +1,5 @@
+<script>
+	const num = 2_048;
+</script>
+
+{num} {2_048}