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denoland-deno/cli/lsp
Matt Mastracci 9845361153
refactor(core): bake single-thread assumptions into spawn/spawn_blocking (#19056)
Partially supersedes #19016.

This migrates `spawn` and `spawn_blocking` to `deno_core`, and removes
the requirement for `spawn` tasks to be `Send` given our single-threaded
executor.

While we don't need to technically do anything w/`spawn_blocking`, this
allows us to have a single `JoinHandle` type that works for both cases,
and allows us to more easily experiment with alternative
`spawn_blocking` implementations that do not require tokio (ie: rayon).

Async ops (+~35%):

Before: 

```
time 1310 ms rate 763358
time 1267 ms rate 789265
time 1259 ms rate 794281
time 1266 ms rate 789889
```

After:

```
time 956 ms rate 1046025
time 954 ms rate 1048218
time 924 ms rate 1082251
time 920 ms rate 1086956
```

HTTP serve (+~4.4%):

Before:

```
Running 10s test @ http://localhost:4500
  2 threads and 10 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    68.78us   19.77us   1.43ms   86.84%
    Req/Sec    68.78k     5.00k   73.84k    91.58%
  1381833 requests in 10.10s, 167.36MB read
Requests/sec: 136823.29
Transfer/sec:     16.57MB
```

After:

```
Running 10s test @ http://localhost:4500
  2 threads and 10 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    63.12us   17.43us   1.11ms   85.13%
    Req/Sec    71.82k     3.71k   77.02k    79.21%
  1443195 requests in 10.10s, 174.79MB read
Requests/sec: 142921.99
Transfer/sec:     17.31MB
```

Suggested-By: alice@ryhl.io
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
2023-05-14 15:40:01 -06:00
..
testing refactor(core): bake single-thread assumptions into spawn/spawn_blocking (#19056) 2023-05-14 15:40:01 -06:00
analysis.rs refactor(cli,ext,ops): cleanup regex with lazy-regex (#17296) 2023-04-13 03:08:01 +02:00
cache.rs refactor: use deno_graph for npm specifiers (#17858) 2023-02-22 14:15:25 -05:00
capabilities.rs refactor: remove usages of map_or / map_or_else (#18212) 2023-03-15 17:46:36 -04:00
client.rs refactor(core): bake single-thread assumptions into spawn/spawn_blocking (#19056) 2023-05-14 15:40:01 -06:00
code_lens.rs refactor(lsp): make RequestMethod private (#19114) 2023-05-12 19:07:40 -04:00
completions.rs feat(lsp): ability to configure document pre-load limit (#19097) 2023-05-11 17:17:14 -04:00
config.rs feat(lsp): ability to configure document pre-load limit (#19097) 2023-05-11 17:17:14 -04:00
diagnostics.rs refactor(core): bake single-thread assumptions into spawn/spawn_blocking (#19056) 2023-05-14 15:40:01 -06:00
documents.rs fix(lsp): preload documents when deno.documentPreloadLimit changes (#19103) 2023-05-11 21:53:09 -04:00
language_server.rs refactor(core): bake single-thread assumptions into spawn/spawn_blocking (#19056) 2023-05-14 15:40:01 -06:00
logging.rs fix(repl): improve package.json support (#18497) 2023-03-30 10:43:16 -04:00
lsp_custom.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
mod.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
parent_process_checker.rs refactor(core): bake single-thread assumptions into spawn/spawn_blocking (#19056) 2023-05-14 15:40:01 -06:00
path_to_regex.rs refactor(cli,ext,ops): cleanup regex with lazy-regex (#17296) 2023-04-13 03:08:01 +02:00
performance.rs refactor(lsp): fewer clones (#17551) 2023-01-26 23:24:03 +01:00
README.md feat(lsp): improve registry completion suggestions (#13023) 2021-12-14 06:24:11 +11:00
refactor.rs refactor(lsp): fewer clones (#17551) 2023-01-26 23:24:03 +01:00
registries.rs perf: lazily create RootCertStore (#18938) 2023-05-01 16:42:05 -04:00
repl.rs feat(lsp): ability to configure document pre-load limit (#19097) 2023-05-11 17:17:14 -04:00
semantic_tokens.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-14 23:18:58 -05:00
text.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
tsc.rs refactor(lsp): make RequestMethod private (#19114) 2023-05-12 19:07:40 -04:00
urls.rs fix(lsp): ensure language server status works on unix (#18727) 2023-04-16 16:02:48 -04:00

Deno Language Server

The Deno Language Server provides a server implementation of the Language Server Protocol which is specifically tailored to provide a Deno view of code. It is integrated into the command line and can be started via the lsp sub-command.

This documentation has been moved to the Deno manual.