mirror of
https://github.com/denoland/deno
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c1c8eb3d55
Closes #19399 (running without snapshots at all was suggested as an alternative solution). Adds a `__runtime_js_sources` pseudo-private feature to load extension JS sources at runtime for faster development, instead of building and loading snapshots or embedding sources in the binary. Will only work in a development environment obviously. Try running `cargo test --features __runtime_js_sources integration::node_unit_tests::os_test`. Then break some behaviour in `ext/node/polyfills/os.ts` e.g. make `function cpus() {}` return an empty array, and run it again. Fix and then run again. No more build time in between.
27 lines
837 B
Rust
27 lines
837 B
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use deno_core::Snapshot;
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use log::debug;
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#[cfg(not(feature = "dont_create_runtime_snapshot"))]
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static RUNTIME_SNAPSHOT: &[u8] =
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include_bytes!(concat!(env!("OUT_DIR"), "/RUNTIME_SNAPSHOT.bin"));
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pub fn deno_isolate_init() -> Option<Snapshot> {
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debug!("Deno isolate init with snapshots.");
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#[cfg(not(feature = "dont_create_runtime_snapshot"))]
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{
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Some(Snapshot::Static(RUNTIME_SNAPSHOT))
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}
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#[cfg(feature = "dont_create_runtime_snapshot")]
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{
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None
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}
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}
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#[cfg(not(feature = "include_js_files_for_snapshotting"))]
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pub static SOURCE_CODE_FOR_99_MAIN_JS: &str = include_str!("js/99_main.js");
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#[cfg(feature = "include_js_files_for_snapshotting")]
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pub static PATH_FOR_99_MAIN_JS: &str =
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concat!(env!("CARGO_MANIFEST_DIR"), "/js/99_main.js");
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