[fix] update to TS 4.4.3

package.json

@@ -40,7 +40,7 @@
 		"playwright-chromium": "^1.10.0",
 		"prettier": "2.2.1",
 		"rollup": "^2.55.0",
-		"typescript": "^4.3.5"
+		"typescript": "^4.4.3"
 	},
 	"type": "module"
 }

packages/create-svelte/package.json

@@ -16,7 +16,7 @@
 		"prettier-plugin-svelte": "^2.2.0",
 		"sucrase": "^3.18.1",
 		"svelte": "^3.42.4",
-		"svelte-preprocess": "^4.7.3",
+		"svelte-preprocess": "^4.9.0",
 		"tiny-glob": "^0.2.8"
 	},
 	"scripts": {

packages/create-svelte/shared/+typescript/package.json

@@ -4,9 +4,9 @@
 		"check:watch": "svelte-check --tsconfig ./tsconfig.json --watch"
 	},
 	"devDependencies": {
-		"typescript": "^4.0.0",
+		"typescript": "^4.4.0",
 		"tslib": "^2.0.0",
 		"svelte-check": "^2.0.0",
-		"svelte-preprocess": "^4.0.0"
+		"svelte-preprocess": "^4.9.0"
 	}
 }

packages/create-svelte/templates/default/package.json

@@ -12,8 +12,8 @@
 		"@sveltejs/adapter-vercel": "next",
 		"@sveltejs/kit": "next",
 		"svelte": "^3.42.4",
-		"svelte-preprocess": "^4.7.3",
-		"typescript": "^4.3.5"
+		"svelte-preprocess": "^4.9.0",
+		"typescript": "^4.4.0"
 	},
 	"type": "module",
 	"dependencies": {

packages/kit/package.json

@@ -34,7 +34,7 @@
 		"selfsigned": "^1.10.11",
 		"sirv": "^1.0.12",
 		"svelte": "^3.42.4",
-		"svelte-check": "^2.2.4",
+		"svelte-check": "^2.2.6",
 		"svelte2tsx": "~0.4.1",
 		"tiny-glob": "^0.2.8",
 		"uvu": "^0.5.1"

packages/kit/src/cli.js

@@ -4,6 +4,7 @@ import colors from 'kleur';
 import * as ports from 'port-authority';
 import { load_config } from './core/config/index.js';
 import { networkInterfaces, release } from 'os';
+import { coalesce_to_error, has_error_code } from './utils/error.js';
 
 async function get_config() {
 	// TODO this is temporary, for the benefit of early adopters
@@ -23,11 +24,12 @@ async function get_config() {
 
 	try {
 		return await load_config();
-	} catch (error) {
+	} catch (err) {
+		const error = coalesce_to_error(err);
 		let message = error.message;
 
 		if (
-			error.code === 'MODULE_NOT_FOUND' &&
+			has_error_code(error, 'MODULE_NOT_FOUND') &&
 			/Cannot find module svelte\.config\./.test(error.message)
 		) {
 			message = 'Missing svelte.config.js';
@@ -36,16 +38,19 @@ async function get_config() {
 		}
 
 		console.error(colors.bold().red(message));
-		console.error(colors.grey(error.stack));
+		if (error.stack) {
+			console.error(colors.grey(error.stack));
+		}
 		process.exit(1);
 	}
 }
 
-/** @param {Error} error */
+/** @param {unknown} error */
 function handle_error(error) {
-	console.log(colors.bold().red(`> ${error.message}`));
-	if (error.stack) {
-		console.log(colors.gray(error.stack));
+	const err = coalesce_to_error(error);
+	console.log(colors.bold().red(`> ${err.message}`));
+	if (err.stack) {
+		console.log(colors.gray(err.stack));
 	}
 	process.exit(1);
 }

packages/kit/src/core/config/test/index.js

@@ -81,7 +81,7 @@ test('errors on loading config with incorrect default export', async () => {
 	try {
 		const cwd = join(__dirname, 'fixtures', 'export-string');
 		await load_config({ cwd });
-	} catch (e) {
+	} catch (/** @type {any} */ e) {
 		errorMessage = e.message;
 	}
 

packages/kit/src/core/dev/index.js

@@ -21,6 +21,7 @@ import { getRawBody } from '../node/index.js';
 import { get_server } from '../server/index.js';
 import { SVELTE_KIT, SVELTE_KIT_ASSETS } from '../constants.js';
 import { copy_assets, resolve_entry } from '../utils.js';
+import { coalesce_to_error } from '../../utils/error.js';
 
 /** @typedef {{ cwd?: string, port: number, host?: string, https: boolean, config: import('types/config').ValidatedConfig }} Options */
 /** @typedef {import('types/internal').SSRComponent} SSRComponent */
@@ -334,7 +335,7 @@ async function create_handler(vite, config, dir, cwd, get_manifest) {
 
 				try {
 					body = await getRawBody(req);
-				} catch (err) {
+				} catch (/** @type {any} */ err) {
 					res.statusCode = err.status || 400;
 					return res.end(err.reason || 'Invalid request body');
 				}
@@ -486,9 +487,10 @@ async function create_handler(vite, config, dir, cwd, get_manifest) {
 					not_found(res);
 				}
 			} catch (e) {
-				vite.ssrFixStacktrace(e);
+				const error = coalesce_to_error(e);
+				vite.ssrFixStacktrace(error);
 				res.statusCode = 500;
-				res.end(e.stack);
+				res.end(error.stack);
 			}
 		});
 	};

packages/kit/src/core/preview/index.js

@@ -78,7 +78,7 @@ export async function preview({
 
 			try {
 				body = await getRawBody(req);
-			} catch (err) {
+			} catch (/** @type {any} */ err) {
 				res.statusCode = err.status || 400;
 				return res.end(err.reason || 'Invalid request body');
 			}

packages/kit/src/runtime/client/renderer.js

@@ -1,7 +1,7 @@
 import { writable } from 'svelte/store';
+import { coalesce_to_error } from '../../utils/error.js';
 import { hash } from '../hash.js';
 import { normalize } from '../load.js';
-import { coalesce_to_error } from '../utils.js';
 
 /**
  * @typedef {import('types/internal').CSRComponent} CSRComponent
@@ -181,7 +181,7 @@ export class Renderer {
 			result = error_args
 				? await this._load_error(error_args)
 				: await this._get_navigation_result_from_branch({ page, branch });
-		} catch (/** @type {unknown} */ e) {
+		} catch (e) {
 			if (error) throw e;
 
 			result = await this._load_error({
@@ -637,7 +637,7 @@ export class Renderer {
 				}
 			} catch (e) {
 				status = 500;
-				error = e;
+				error = coalesce_to_error(e);
 			}
 
 			if (error) {

packages/kit/src/runtime/server/index.js

@@ -4,9 +4,9 @@ import { render_response } from './page/render.js';
 import { respond_with_error } from './page/respond_with_error.js';
 import { parse_body } from './parse_body/index.js';
 import { lowercase_keys } from './utils.js';
-import { coalesce_to_error } from '../utils.js';
 import { hash } from '../hash.js';
 import { get_single_valued_header } from '../../utils/http.js';
+import { coalesce_to_error } from '../../utils/error.js';
 
 /** @type {import('@sveltejs/kit/ssr').Respond} */
 export async function respond(incoming, options, state = {}) {

packages/kit/src/runtime/server/page/render.js

@@ -1,5 +1,6 @@
 import devalue from 'devalue';
 import { writable } from 'svelte/store';
+import { coalesce_to_error } from '../../../utils/error.js';
 import { hash } from '../../hash.js';
 
 const s = JSON.stringify;
@@ -203,7 +204,7 @@ function try_serialize(data, fail) {
 	try {
 		return devalue(data);
 	} catch (err) {
-		if (fail) fail(err);
+		if (fail) fail(coalesce_to_error(err));
 		return null;
 	}
 }

packages/kit/src/runtime/server/page/respond.js

@@ -1,7 +1,7 @@
 import { render_response } from './render.js';
 import { load_node } from './load_node.js';
 import { is_prerender_enabled, respond_with_error } from './respond_with_error.js';
-import { coalesce_to_error } from '../../utils.js';
+import { coalesce_to_error } from '../../../utils/error.js';
 
 /**
  * @typedef {import('./types.js').Loaded} Loaded
@@ -30,7 +30,7 @@ export async function respond(opts) {
 
 	try {
 		nodes = await Promise.all(route.a.map((id) => (id ? options.load_component(id) : undefined)));
-	} catch (/** @type {unknown} */ err) {
+	} catch (err) {
 		const error = coalesce_to_error(err);
 
 		options.handle_error(error, request);
@@ -111,7 +111,7 @@ export async function respond(opts) {
 					if (loaded.loaded.error) {
 						({ status, error } = loaded.loaded);
 					}
-				} catch (/** @type {unknown} */ err) {
+				} catch (err) {
 					const e = coalesce_to_error(err);
 
 					options.handle_error(e, request);
@@ -156,7 +156,7 @@ export async function respond(opts) {
 								page_config = get_page_config(error_node.module, options);
 								branch = branch.slice(0, j + 1).concat(error_loaded);
 								break ssr;
-							} catch (/** @type {unknown} */ err) {
+							} catch (err) {
 								const e = coalesce_to_error(err);
 
 								options.handle_error(e, request);
@@ -204,7 +204,7 @@ export async function respond(opts) {
 			}),
 			set_cookie_headers
 		);
-	} catch (/** @type {unknown} */ err) {
+	} catch (err) {
 		const error = coalesce_to_error(err);
 
 		options.handle_error(error, request);

packages/kit/src/runtime/server/page/respond_with_error.js

@@ -1,6 +1,6 @@
 import { render_response } from './render.js';
 import { load_node } from './load_node.js';
-import { coalesce_to_error } from '../../utils.js';
+import { coalesce_to_error } from '../../../utils/error.js';
 
 /**
  * @typedef {import('./types.js').Loaded} Loaded
@@ -78,7 +78,7 @@ export async function respond_with_error({ request, options, state, $session, st
 			branch,
 			page
 		});
-	} catch (/** @type {unknown} */ err) {
+	} catch (err) {
 		const error = coalesce_to_error(err);
 
 		options.handle_error(error, request);

packages/kit/src/utils/error.js

@@ -0,0 +1,19 @@
+/**
+ * @param {unknown} err
+ * @return {Error}
+ */
+export function coalesce_to_error(err) {
+	return err instanceof Error ||
+		(err && /** @type {any} */ (err).name && /** @type {any} */ (err).message)
+		? /** @type {Error} */ (err)
+		: new Error(JSON.stringify(err));
+}
+
+/**
+ * @param {Error} err
+ * @param {any} errorCode
+ * @return {err is Error & {code: any}}
+ */
+export function has_error_code(err, errorCode = undefined) {
+	return 'code' in err && (errorCode === undefined || /** @type {any} */ (err).code === errorCode);
+}

packages/kit/src/utils/filesystem.js

@@ -5,7 +5,7 @@ import path from 'path';
 export function mkdirp(dir) {
 	try {
 		fs.mkdirSync(dir, { recursive: true });
-	} catch (e) {
+	} catch (/** @type {any} */ e) {
 		if (e.code === 'EEXIST') return;
 		throw e;
 	}

packages/kit/test/apps/basics/src/routes/errors/_tests.js

@@ -9,7 +9,7 @@ export default function (test, is_dev) {
 				try {
 					// ???
 					// await visit('/errors/clientside');
-				} catch (error) {
+				} catch (/** @type {any} */ error) {
 					assert.ok(/Crashing now/.test(error.message));
 				} finally {
 					// this is the Snowpack error overlay

packages/kit/test/apps/basics/src/routes/routing/_tests.js

@@ -128,7 +128,7 @@ export default function (test, is_dev) {
 			try {
 				await app.prefetch('https://example.com');
 				throw new Error('Error was not thrown');
-			} catch (e) {
+			} catch (/** @type {any} */ e) {
 				assert.ok(
 					e.message.includes('Attempted to prefetch a URL that does not belong to this app')
 				);

packages/kit/test/test.js

@@ -275,7 +275,7 @@ async function main() {
 			try {
 				context.watcher = await dev({ cwd, port, config, host: undefined, https: false });
 				Object.assign(context, await setup({ port }));
-			} catch (e) {
+			} catch (/** @type {any} */ e) {
 				console.log(e.stack);
 				throw e;
 			}