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feat: blob URL support (#10045)

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This commit adds blob URL support. Blob URLs are stored in a process
global storage, that can be accessed from all workers, and the module
loader. Blob URLs can be created using `URL.createObjectURL` and revoked
using `URL.revokeObjectURL`.

This commit does not add support for `fetch`ing blob URLs. This will be
added in a follow up commit.
This commit is contained in:
Luca Casonato 2021-04-07 15:22:14 +02:00 • committed by GitHub
parent 2865f39bec
commit 966ce7de8a
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GPG key ID: 4AEE18F83AFDEB23
33 changed files with 488 additions and 33 deletions
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8
cli/program_state.rs
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@ -14,6 +14,7 @@ use crate::module_graph::TypeLib;
use crate::source_maps::SourceMapGetter;
use crate::specifier_handler::FetchHandler;
use crate::version;
use deno_runtime::deno_file::BlobUrlStore;
use deno_runtime::inspector::InspectorServer;
use deno_runtime::permissions::Permissions;
@ -56,6 +57,7 @@ pub struct ProgramState {
pub maybe_import_map: Option<ImportMap>,
pub maybe_inspector_server: Option<Arc<InspectorServer>>,
pub ca_data: Option<Vec<u8>>,
pub blob_url_store: BlobUrlStore,
}
impl ProgramState {
@ -80,11 +82,14 @@ impl ProgramState {
CacheSetting::Use
};
let blob_url_store = BlobUrlStore::default();
let file_fetcher = FileFetcher::new(
http_cache,
cache_usage,
!flags.no_remote,
ca_data.clone(),
blob_url_store.clone(),
)?;
let lockfile = if let Some(filename) = &flags.lock {
@ -131,6 +136,7 @@ impl ProgramState {
maybe_import_map,
maybe_inspector_server,
ca_data,
blob_url_store,
};
Ok(Arc::new(program_state))
}
@ -257,7 +263,7 @@ impl ProgramState {
match url.scheme() {
// we should only be looking for emits for schemes that denote external
// modules, which the disk_cache supports
"wasm" | "file" | "http" | "https" | "data" => (),
"wasm" | "file" | "http" | "https" | "data" | "blob" => (),
_ => {
return None;
}