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Remove unnecessary try / catch blocks when using the winit-based wasm-preview

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Commit b2645dff6c and 4b37d9a1f1 introduced the use of spawn, which doesn't thrown anymore.
This commit is contained in:
Simon Hausmann 2025-04-08 10:06:06 +02:00 • committed by Simon Hausmann
parent 6aa4c691f0
commit 33561b0457
3 changed files with 3 additions and 19 deletions
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10
docs/astro/src/utils/slint-docs-preview.html
View file

@ -85,15 +85,7 @@
async function run() {
await slint.default();
try {
slint.run_event_loop();
// this will trigger a JS exception, so this line will never be reached!
} catch (e) {
// The winit event loop, when targeting wasm, throws a JavaScript exception to break out of
// Rust without running any destructors. Don't rethrow the exception but swallow it, as
// this is no error and we truly want to resolve the promise of this function by returning
// the model markers.
}
slint.run_event_loop();
let selector = ["code.language-slint", ".rustdoc pre.language-slint", "div.highlight-slint div.highlight", "div.highlight-slint\\,no-auto-preview div.highlight"]
.map((sel) => `${sel}:not([class*=slint\\,ignore]):not([class*=slint\\,no-preview])`).join(",");

6
editors/vscode/src/wasm_preview.ts
View file

@ -109,11 +109,7 @@ function getPreviewHtml(
const vscode = acquireVsCodeApi();
let promises = {};
try {
slint_preview.run_event_loop();
} catch (_) {
// This is actually not an error:-/
}
slint_preview.run_event_loop();
const canvas_id = "canvas";

6
tools/slintpad/src/lsp.ts
View file

@ -222,11 +222,7 @@ export class Lsp {
style: string,
): Promise<Previewer> {
if (this.#preview_connector === null) {
try {
slint_preview.run_event_loop();
} catch (e) {
// this is not an error!
}
slint_preview.run_event_loop();
const params = new URLSearchParams(window.location.search);
const experimental = params.get("SLINT_EXPERIMENTAL_FEATURES");