Hello.
I’m getting a “Route not found” error when trying to copy a file to the data folder. Any idea why that happens?
Here’s the function …
async function importPresets() {
try {
let datafolder = await fs.getDataFolder();
let importfile = await fs.getFileForOpening({types: ["json"]});
if(importfile) {
await importfile.copyTo(datafolder, {overwrite:true});
if(await loadPresetFile()) {
document.getElementById("dropdown_presets").firstElementChild.innerHTML = "" ;
presetArray.forEach(await function(presets) {
document.getElementById("dropdown_presets").firstElementChild.innerHTML += "<sp-menu-item >" + presets.name + "</sp-menu-item>";
});
document.getElementById("dropdown_presets").selectedIndex = 0;
await updateUI(0);
return true;
}
}
} catch(error) {
return false;
}
}
Marjan
July 13, 2025, 7:11pm
2
I’ve encountered a similar problem, and this thread is the first one that pops up when searching for the error.
My manifest.json does contain fullAccess for the localFileSystem:
"requiredPermissions": {
"localFileSystem": "fullAccess",
Photoshop version 26.8.0
This is the trace in the console:
/assets/index-D1WwMQU7.js:1951 Error: Route not found
at e.exports.readdir (uxp://uxp-internal/webfs_scripts.js:2)
at uxp://uxp-internal/webfs_scripts.js:2
at uxp://uxp-internal/webfs_scripts.js:2
at new Promise (<anonymous>)
at n (uxp://uxp-internal/webfs_scripts.js:2)
at m (uxp://uxp-internal/webfs_scripts.js:2)
at Object.readdir (uxp://uxp-internal/webfs_scripts.js:2)
I’ve played around and tried the following variations (path is copy pasted from the windows file explorer, so this directory does exist):
fs.readdir("file:///C:/Users/User/Desktop")
fs.readdir("file://C:/Users/User/Desktop")
fs.readdir("file:C:/Users/User/Desktop")
fs.readdir("C:/Users/User/Desktop")
I’ve also attempted using storage.localFileSystem.getFolder and taking the resulting nativePath from the Entry, with no luck:
const entry = await storage.localFileSystem.getFolder()
const location = entry.nativePath
// tried both approaches
fs.readdir(location)
fs.readdir(`file:${location}`)
Interestingly enough, the following does work:
const entry = await storage.localFileSystem.getFolder()
const location = entry.url
fs.readdir(location)
Any help with this would be greatly appreciated
Marjan
July 14, 2025, 8:05pm
3
Looks like it was the version of Adobe Photoshop I was running.
Noticed BUG: FS File Protocol -4058 path Error after Photoshop 26.8 - #6 by justin2taylor and updating fixed the issue. the fs.readdir examples at the top of my reply now work.
1 Like