mirror of
https://github.com/libretro/RetroArch
synced 2025-04-25 09:02:44 +00:00
c413bcc626
* Actually read CLI args in emscripten * Fix fetchfs manifest parsing, increase download chunk size The chunk size should probably be made a parameter in the future. The larger chunk size trades longer hitches for fewer hitches. * Add exec command driver and API functions for emscripten. Under WASMFS, stdin/stdout can't be customized the way they can with the JS FS implementation. Also, this approach frees up stdin/stdout and simplifies interaction with the command interface for web embedders. * fixup upload paths, show use of new emscripten cmd interface * Add JS library function names to EXPORTS as well as EXPORTED_FUNCTIONS for older emsdk versions
67 lines
2.1 KiB
JavaScript
67 lines
2.1 KiB
JavaScript
importScripts("zip-no-worker.min.js");
|
|
|
|
async function writeFile(path, data) {
|
|
const root = await navigator.storage.getDirectory();
|
|
const dir_end = path.lastIndexOf("/");
|
|
const parent = path.substr(0, dir_end);
|
|
const child = path.substr(dir_end+1);
|
|
const parent_dir = await mkdirTree(parent);
|
|
const file = await parent_dir.getFileHandle(child,{create:true});
|
|
const stream = await file.createSyncAccessHandle();
|
|
const written = stream.write(data);
|
|
stream.close();
|
|
}
|
|
|
|
async function mkdirTree(path) {
|
|
const root = await navigator.storage.getDirectory();
|
|
const parts = path.split("/");
|
|
let here = root;
|
|
for (const part of parts) {
|
|
if (part == "") { continue; }
|
|
here = await here.getDirectoryHandle(part, {create:true});
|
|
}
|
|
return here;
|
|
}
|
|
|
|
async function setupZipFS(zipBuf) {
|
|
const root = await navigator.storage.getDirectory();
|
|
const zipReader = new zip.ZipReader(new zip.Uint8ArrayReader(zipBuf), {useWebWorkers:false});
|
|
const entries = await zipReader.getEntries();
|
|
for(const file of entries) {
|
|
if (file.getData && !file.directory) {
|
|
const writer = new zip.Uint8ArrayWriter();
|
|
const data = await file.getData(writer);
|
|
await writeFile(file.filename, data);
|
|
} else if (file.directory) {
|
|
await mkdirTree(file.filename);
|
|
}
|
|
}
|
|
await zipReader.close();
|
|
}
|
|
|
|
onmessage = async (msg) => {
|
|
if(msg.data.command == "load_bundle") {
|
|
let old_timestamp = msg.data.time;
|
|
try {
|
|
const root = await navigator.storage.getDirectory();
|
|
const _bundle = await root.getDirectoryHandle("bundle");
|
|
} catch (_e) {
|
|
old_timestamp = "";
|
|
}
|
|
let resp = await fetch("assets/frontend/bundle-minimal.zip", {
|
|
headers: {
|
|
"If-Modified-Since": old_timestamp
|
|
}
|
|
});
|
|
if (resp.status == 200) {
|
|
await setupZipFS(new Uint8Array(await resp.arrayBuffer()));
|
|
} else {
|
|
await resp.text();
|
|
}
|
|
postMessage({command:"loaded_bundle", time:resp.headers.get("last-modified")});
|
|
} else if(msg.data.command == "upload_file") {
|
|
await writeFile("userdata/content/"+msg.data.name, new Uint8Array(msg.data.data));
|
|
postMessage({command:"uploaded_file",name:msg.data.name});
|
|
}
|
|
}
|