diff --git a/generate-type-definitions.js b/generate-type-definitions.js
index d8f6e9f826..6ec2f313c3 100644
--- a/generate-type-definitions.js
+++ b/generate-type-definitions.js
@@ -3,8 +3,12 @@
 const { execSync } = require('child_process');
 const { readFileSync, writeFileSync } = require('fs');
 
-execSync('tsc -p src/compiler --emitDeclarationOnly && tsc -p src/runtime --emitDeclarationOnly');
-
+try {
+	execSync('tsc -p src/compiler --emitDeclarationOnly && tsc -p src/runtime --emitDeclarationOnly');
+} catch (err) {
+	console.error(err.stderr.toString());
+	throw err;
+}
 // We need to add these types to the .d.ts files here because if we add them before building, the build will fail,
 // because the TS->JS transformation doesn't know these exports are types and produces code that fails at runtime.
 // We can't use `export type` syntax either because the TS version we're on doesn't have this feature yet.
diff --git a/src/runtime/transition/index.ts b/src/runtime/transition/index.ts
index 5940d054d3..c6d9dbc97a 100644
--- a/src/runtime/transition/index.ts
+++ b/src/runtime/transition/index.ts
@@ -198,7 +198,7 @@ export function draw(node: SVGElement & { getTotalLength(): number }, {
 		delay,
 		duration,
 		easing,
-		css: (t, u) => `
+		css: (_, u) => `
 			stroke-dasharray: ${len};
 			stroke-dashoffset: ${u * len};
 		`
diff --git a/test/js/samples/svelte-element-event-handlers/expected.js b/test/js/samples/svelte-element-event-handlers/expected.js
index b9e648aadc..ab24f2e924 100644
--- a/test/js/samples/svelte-element-event-handlers/expected.js
+++ b/test/js/samples/svelte-element-event-handlers/expected.js
@@ -39,16 +39,16 @@ function create_dynamic_element(ctx) {
 
 	return {
 		c() {
-			svelte_element1 = element("a");
-			svelte_element0 = element("span");
+			svelte_element1 = element(a);
+			svelte_element0 = element(span);
 
-			if ((/-/).test("span")) {
+			if ((/-/).test(span)) {
 				set_custom_element_data_map(svelte_element0, svelte_element0_data);
 			} else {
 				set_attributes(svelte_element0, svelte_element0_data);
 			}
 
-			if ((/-/).test("a")) {
+			if ((/-/).test(a)) {
 				set_custom_element_data_map(svelte_element1, svelte_element1_data);
 			} else {
 				set_attributes(svelte_element1, svelte_element1_data);
@@ -72,7 +72,7 @@ function create_dynamic_element(ctx) {
 		p(ctx, dirty) {
 			svelte_element0_data = get_spread_update(svelte_element0_levels, [{ class: "inner" }]);
 
-			if ((/-/).test("span")) {
+			if ((/-/).test(span)) {
 				set_custom_element_data_map(svelte_element0, svelte_element0_data);
 			} else {
 				set_attributes(svelte_element0, svelte_element0_data);
@@ -80,7 +80,7 @@ function create_dynamic_element(ctx) {
 
 			svelte_element1_data = get_spread_update(svelte_element1_levels, [{ class: "outer" }]);
 
-			if ((/-/).test("a")) {
+			if ((/-/).test(a)) {
 				set_custom_element_data_map(svelte_element1, svelte_element1_data);
 			} else {
 				set_attributes(svelte_element1, svelte_element1_data);
@@ -95,9 +95,9 @@ function create_dynamic_element(ctx) {
 }
 
 function create_fragment(ctx) {
-	let previous_tag = "a";
+	let previous_tag = a;
 	let svelte_element_anchor;
-	let svelte_element = "a" && create_dynamic_element(ctx);
+	let svelte_element = a && create_dynamic_element(ctx);
 
 	return {
 		c() {
@@ -109,12 +109,12 @@ function create_fragment(ctx) {
 			insert(target, svelte_element_anchor, anchor);
 		},
 		p(ctx, [dirty]) {
-			if ("a") {
+			if (a) {
 				if (!previous_tag) {
 					svelte_element = create_dynamic_element(ctx);
 					svelte_element.c();
 					svelte_element.m(svelte_element_anchor.parentNode, svelte_element_anchor);
-				} else if (safe_not_equal(previous_tag, "a")) {
+				} else if (safe_not_equal(previous_tag, a)) {
 					svelte_element.d(1);
 					svelte_element = create_dynamic_element(ctx);
 					svelte_element.c();
@@ -127,7 +127,7 @@ function create_fragment(ctx) {
 				svelte_element = null;
 			}
 
-			previous_tag = "a";
+			previous_tag = a;
 		},
 		i: noop,
 		o: noop,
@@ -138,6 +138,9 @@ function create_fragment(ctx) {
 	};
 }
 
+const a = 'a';
+const span = 'span';
+
 function instance($$self) {
 	function keydown_handler(event) {
 		bubble.call(this, $$self, event);
diff --git a/test/js/samples/svelte-element-event-handlers/input.svelte b/test/js/samples/svelte-element-event-handlers/input.svelte
index bb0b7b57a9..3a7b0f9800 100644
--- a/test/js/samples/svelte-element-event-handlers/input.svelte
+++ b/test/js/samples/svelte-element-event-handlers/input.svelte
@@ -1,3 +1,8 @@
-<svelte:element class="outer" this="a" on:keydown on:keyup>
-    <svelte:element class="inner" this="span" on:keydown on:keyup></svelte:element>
-</svelte:element>
\ No newline at end of file
+<script>
+	const a = 'a';
+	const span = 'span';
+</script>
+
+<svelte:element this={a} class='outer' on:keydown on:keyup>
+	<svelte:element this={span} class='inner' on:keydown on:keyup />
+</svelte:element>
diff --git a/test/js/samples/svelte-element-static/expected.js b/test/js/samples/svelte-element-static/expected.js
new file mode 100644
index 0000000000..68d895db3c
--- /dev/null
+++ b/test/js/samples/svelte-element-static/expected.js
@@ -0,0 +1,41 @@
+/* generated by Svelte vX.Y.Z */
+import {
+	SvelteComponent,
+	attr,
+	detach,
+	element,
+	init,
+	insert,
+	noop,
+	safe_not_equal
+} from "svelte/internal";
+
+function create_fragment(ctx) {
+	let a;
+
+	return {
+		c() {
+			a = element("a");
+			a.innerHTML = `<span class="inner"></span>`;
+			attr(a, "class", "outer");
+		},
+		m(target, anchor) {
+			insert(target, a, anchor);
+		},
+		p: noop,
+		i: noop,
+		o: noop,
+		d(detaching) {
+			if (detaching) detach(a);
+		}
+	};
+}
+
+class Component extends SvelteComponent {
+	constructor(options) {
+		super();
+		init(this, options, null, create_fragment, safe_not_equal, {});
+	}
+}
+
+export default Component;
\ No newline at end of file
diff --git a/test/js/samples/svelte-element-static/input.svelte b/test/js/samples/svelte-element-static/input.svelte
new file mode 100644
index 0000000000..4893d49847
--- /dev/null
+++ b/test/js/samples/svelte-element-static/input.svelte
@@ -0,0 +1,3 @@
+<svelte:element this='a' class='outer'>
+	<svelte:element this='span' class='inner' />
+</svelte:element>