I don't think it's safe to rewrite the local file just by accessing the site with a normal javascript, but I think it's possible to do it if it's intentionally installed with an extension.
What I want to do is to keep the response of a particular site in storage with the chrome extension, and the response content can now be retrieved as a javascript string within the extension
I think it's possible to set up a log server locally and send it there to save it on the server, but if you build a separate server, it will be complicated, so if you can save it within the chrome extension, you only need a browser, so I asked you.
manifest.json
"devtools_page":"devtools.html"
from devtool.js in devtool page devtool.html in
chrome.devtools.panels.create
I would like to create a panel.html in and write files in panel.js in that panel.html
If you can't do it, just answer that you can't do it
If so, I will quietly set up a log server, so it will be helpful
"When I searched ""Write javascript file"", I got a few messages, but
"Tried FileSystemAPI with Chrome extensions
This is the following error
Uncaught ReferenceError: WebKitBlobBuilder is not defined
Write Chrome extensions to the local file system
This will also result in the following error
window.requestFileSystem is not a function
Try the Native File System API
The following error occurs
Uncaught(inpromise) DOMException: Failed to execute 'showSaveFilePicker' on 'Window': Cross origin subframes arena't allowed to show a file picker.
Tried FileSystemAPI with Chrome extensions
This is the following error
Uncaught ReferenceError: WebKitBlobBuilder is not defined
Write Chrome extensions to the local file system
This will also result in the following error
window.requestFileSystem is not a function
Try the Native File System API
The following error occurs
Uncaught(inpromise) DOMException: Failed to execute 'showSaveFilePicker' on 'Window': Cross origin subframes arena't allowed to show a file picker.
The API specification seems to have changed from the article provided, but I even tried creating a new file with the File System Access API
This article was easy to understand because there were a lot of samples.
https://web.dev/file-system-access/
The specification page is also for your reference
https://wicg.github.io/file-system-access/
// Call test() when writing
async function test(){
consthandle=wait getNewFileHandle()
wait writeFile(handle, "hello")
}
async function getNewFileHandle(){
constoptions={
types: [
{
description: 'Text Files',
accept: {
'text/plain': ['.txt',
},
},
],
};
command=wait window.showSaveFilePicker(options);
return handle;
}
async function writeFile(fileHandle, contents) {
const writable = wait fileHandle.createWritable();
wait writable.write(contents);
wait writable.close();
}
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