Migration to new Rust-based engine (#401)

* wasm first steps * parsing start * parsing continued * progress * progress * progress * progress * progress * progress * progress * progress * fixes * reorganize * change type * fix * progress * refactoring * progress * progress * progress * keep style info * progress * progress * remove (copy) in name * progress * merge methods into 1 * splice * progress * progress * progress * cleaning * progress * progress * progress * visibility * progress * progress * progress * progress * progress * fixes * progress * fix markers * fix * progress * progress * progress * progress * progress * progress * small fix * use engine info * fix popups * small fix * progress * progress * progress * clean tool * handle self closing elements * reduce data exchanges across boundary * copy on wasm side to avoid any data corruption * speed fix * routing * refactoring * reverse * reverse * crop * split * merge * progress * time tool * fix bounds for waypoints * reduce * fix reactivity * handle corrupt time data * export * progress * remove gpx js package * remove todo * update readme * cleaning * progress * fix link fields * remove unused fields * refactoring and tests * import and export of routes, ref #192 * per-chunk categories storage * cross-tab sync * outdated state * refactoring * reorder methods * refactoring * fix * improve flow * renaming * progress * progress * fix * progress * per file history * keep original flag * use history variant * fix * progress * file explorer * progress * fix * sticky folders * improved sticky folders * fix sortable * fix sortable * fix * fix tab size * no file delete on desktop * fix routing on other file * fix sorting * remember language * open links in browser * commit missing changes * avoid selecting on resize * clarify filename * explorer actions * fix folder styling * drop anywhere in folder * cleaning * fixes * remove focus-ring * full screen * small fix * consistent highlight color * improved preview * performance improvements * sparser data transfers * sparser data transfers * show popup once data is loaded * fix routing control size * fix * sparse desktop build * remove custom ign styles * use new endpoint for openhikingmap * strip native menu * reorder context menu items * route full support * route - track conversion * create route file action * route export, filter out anchors at high zoom level * clarify name handling * move hide & center to view * routes continued * update docs * fix power format, closes #378 * lint fixes * fix display of additional data with gaps, closes #361 * fix linting issues * fix import modules * fix multidrag * change base to resolve * fix type errors * fix layer typings * fix last type error * each keys * improve typings * deploy to cloudflare --------- Co-authored-by: vcoppe <vcoppe@hexaly.com>
2026-11-01 12:17:18 +00:00 · 2026-10-31 18:08:22 +01:00
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+// The names of the files that are exported come from the files of the user, which can have any
+// text as a name: they have to be made names that every system accepts.
+
+/** Characters that no system accepts in a file name, or that mean something in a path. */
+// eslint-disable-next-line no-control-regex
+const FORBIDDEN = /[<>:"/\\|?*\u0000-\u001f\u007f]/g;
+
+/** Names that Windows keeps for devices, with or without an extension. */
+const RESERVED = /^(con|prn|aux|nul|com[0-9]|lpt[0-9])$/i;
+
+/** Longest name, without the extension, in characters. */
+const MAX_LENGTH = 100;
+
+/** A name for a file without its extension, that is allowed on every system. */
+export function sanitizeFileName(name: string): string {
+    let clean = name
+        .replace(FORBIDDEN, '_')
+        .normalize('NFC')
+        // no dots or spaces around the name: Windows drops them, a leading dot hides the file
+        .replace(/^[\s.]+|[\s.]+$/g, '');
+    clean = [...clean]
+        .slice(0, MAX_LENGTH)
+        .join('')
+        .replace(/[\s.]+$/, '');
+    if (clean === '') {
+        return 'file';
+    }
+    return RESERVED.test(clean.split('.')[0]) ? `_${clean}` : clean;
+}
+
+/**
+ * The names of files that go in the same folder (the same zip): clean, and different, even where
+ * the file system does not tell upper and lower case apart. A name that is taken gets `-1`, `-2`...
+ */
+export function uniqueFileNames(names: string[]): string[] {
+    const taken = new Set<string>();
+    return names.map((name) => {
+        const clean = sanitizeFileName(name);
+        let unique = clean;
+        for (let i = 1; taken.has(unique.toLowerCase()); i++) {
+            // the suffix is part of the length
+            unique = `${[...clean].slice(0, MAX_LENGTH - `-${i}`.length).join('')}-${i}`;
+        }
+        taken.add(unique.toLowerCase());
+        return unique;
+    });
+}