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denoland-deno/runtime/js
Bartek Iwańczuk 4c6db7aa14
perf(core, runtime): Further improve startup time (#17860)
This commit further improves startup time by:

- no relying on "JsRuntime::execute_script" for runtime bootstrapping,
this is instead done using V8 APIs directly
- registering error classes during the snapshot time, instead of on
startup

Further improvements can be made, mainly around removing 
"core.initializeAsyncOps()" which takes around 2ms.

This commit should result in ~1ms startup time improvement.
2023-02-22 06:25:31 +05:30
..
01_build.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
01_errors.js fix: add WouldBlock error (#17339) 2023-02-12 23:14:33 +01:00
01_version.ts refactor: internal runtime code TS support (#17672) 2023-02-08 22:40:18 +01:00
06_util.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
10_permissions.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
11_workers.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
12_io.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
13_buffer.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
30_fs.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
30_os.js feat: stabilize Deno.osUptime() (#17554) 2023-02-14 12:35:38 +01:00
40_diagnostics.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
40_files.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
40_fs_events.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
40_http.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
40_process.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
40_read_file.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
40_signals.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
40_spawn.js feat: Stabilize Deno.Command API (#17628) 2023-02-13 19:25:00 +01:00
40_tty.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
40_write_file.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
41_prompt.js refactor: Use ES modules for internal runtime code (#17648) 2023-02-07 20:22:46 +01:00
90_deno_ns.js feat: Stabilize Deno.Command API (#17628) 2023-02-13 19:25:00 +01:00
98_global_scope.js refactor: remove prefix from include_js_files & use extension name (#17683) 2023-02-07 21:09:50 +00:00
99_main.js perf(core, runtime): Further improve startup time (#17860) 2023-02-22 06:25:31 +05:30
README.md feat: add --location=<href> and globalThis.location (#7369) 2021-01-07 19:06:08 +01:00

Runtime JavaScript Code

This directory contains Deno runtime code written in plain JavaScript.

Each file is a plain, old script, not ES modules. The reason is that snapshotting ES modules is much harder, especially if one needs to manipulate global scope (like in case of Deno).

Each file is prefixed with a number, telling in which order scripts should be loaded into V8 isolate. This is temporary solution and we're striving not to require specific order (though it's not 100% obvious if that's feasible).

Deno Web APIs

This directory facilities Web APIs that are available in Deno.

Please note, that some implementations might not be completely aligned with specification.

Some Web APIs are using ops under the hood, eg. console, performance.

Implemented Web APIs