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Although not easy to replicate in the wild, the `deno test` op sanitizer can fail when there are intervals that started before a test runs, since the op sanitizer can end up running in the time between the timer op for an interval's run resolves and the op for the next run starts. This change fixes that by adding a new macrotask callback that will run after the timer macrotask queue has drained. This ensures that there is a timer op if there are any timers which are unresolved by the time the op sanitizer runs. |
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| .. | ||
| 01_build.js | ||
| 01_errors.js | ||
| 01_version.js | ||
| 01_web_util.js | ||
| 06_util.js | ||
| 10_permissions.js | ||
| 11_workers.js | ||
| 12_io.js | ||
| 13_buffer.js | ||
| 30_fs.js | ||
| 30_os.js | ||
| 40_compiler_api.js | ||
| 40_diagnostics.js | ||
| 40_error_stack.js | ||
| 40_files.js | ||
| 40_fs_events.js | ||
| 40_http.js | ||
| 40_process.js | ||
| 40_read_file.js | ||
| 40_signals.js | ||
| 40_testing.js | ||
| 40_tty.js | ||
| 40_write_file.js | ||
| 41_prompt.js | ||
| 90_deno_ns.js | ||
| 99_main.js | ||
| README.md | ||
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
- Blob: for representing opaque binary data.
- Console: for logging purposes.
- CustomEvent,
EventTarget
and
EventListener:
to work with DOM events.
- Implementation notes: There is no DOM hierarchy in Deno, so there is no tree for Events to bubble/capture through.
- fetch, Request, Response, Body and Headers: modern Promise-based HTTP Request API.
- location and Location.
- FormData: access
to a
multipart/form-dataserialization. - Performance: retrieving current time with a high precision.
- setTimeout, setInterval, clearTimeout: scheduling callbacks in future and clearInterval.
- Stream for creating, composing, and consuming streams of data.
- URL and URLSearchParams: to construct and parse URLSs.
- Worker: executing
additional code in a separate thread.
- Implementation notes: Blob URLs are not supported, object ownership cannot be transferred, posted data is serialized to JSON instead of structured cloning.