chore: Make rust-analyzer faster (#2962)

swc-project · Dec 3, 2021 · 02322aa · 02322aa · github-actions · Dec 3, 2021
1 parent c346f12
commit 02322aa
Show file tree

Hide file tree

Showing 4 changed files with 20 additions and 2 deletions.
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -20,4 +20,8 @@
   "eslint.enable": false,
   "cSpell.allowCompoundWords": true,
   "cSpell.caseSensitive": true,
+  "rust-analyzer.checkOnSave.features": [
+    // We use this to make IDE faster
+    "rust-analyzer"
+  ]
 }
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/crates/testing_macros/Cargo.toml b/crates/testing_macros/Cargo.toml
@@ -6,7 +6,11 @@ edition = "2018"
 license = "Apache-2.0"
 name = "testing_macros"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.2.4"
+version = "0.2.5"
+
+[features]
+# Skip generating fixtures so the editor becomes faster again
+rust-analyzer = []
 
 [lib]
 proc-macro = true

diff --git a/crates/testing_macros/src/lib.rs b/crates/testing_macros/src/lib.rs
@@ -1,3 +1,4 @@
+use pmutil::q;
 use proc_macro::TokenStream;
 use quote::ToTokens;
 use syn::ItemFn;
@@ -54,6 +55,15 @@ mod fixture;
 #[proc_macro_attribute]
 pub fn fixture(attr: TokenStream, item: TokenStream) -> TokenStream {
     let item: ItemFn = syn::parse(item).expect("failed to parse input as a function item");
+
+    if cfg!(feature = "rust-analyzer") {
+        return q!(Vars { item }, {
+            #[allow(unused)]
+            item
+        })
+        .into();
+    }
+
     let config: self::fixture::Config =
         syn::parse(attr).expect("failed to parse input passed to #[fixture]");
Benchmark suite	Current: `02322aa`	Previous: `fd8541e`	Ratio
`base_tr_fixer`	`25748` ns/iter (`± 452`)	`22240` ns/iter (`± 260`)	`1.16`
`base_tr_resolver_and_hygiene`	`145036` ns/iter (`± 26902`)	`128499` ns/iter (`± 25311`)	`1.13`
`codegen_es2015`	`61124` ns/iter (`± 414`)	`52768` ns/iter (`± 647`)	`1.16`
`codegen_es2016`	`60725` ns/iter (`± 436`)	`52670` ns/iter (`± 522`)	`1.15`
`codegen_es2017`	`61042` ns/iter (`± 819`)	`52365` ns/iter (`± 492`)	`1.17`
`codegen_es2018`	`60796` ns/iter (`± 353`)	`52256` ns/iter (`± 495`)	`1.16`
`codegen_es2019`	`60687` ns/iter (`± 1146`)	`52771` ns/iter (`± 385`)	`1.15`
`codegen_es2020`	`60648` ns/iter (`± 506`)	`52517` ns/iter (`± 555`)	`1.15`
`codegen_es3`	`60442` ns/iter (`± 428`)	`52348` ns/iter (`± 458`)	`1.15`
`codegen_es5`	`61042` ns/iter (`± 656`)	`52859` ns/iter (`± 686`)	`1.15`
`full_es2015`	`201875396` ns/iter (`± 8283034`)	`184217362` ns/iter (`± 7673244`)	`1.10`
`full_es2016`	`160980433` ns/iter (`± 7594427`)	`146624884` ns/iter (`± 10542526`)	`1.10`
`full_es2017`	`166291711` ns/iter (`± 9453762`)	`160332385` ns/iter (`± 9352224`)	`1.04`
`full_es2018`	`164029011` ns/iter (`± 11062594`)	`160615063` ns/iter (`± 14351324`)	`1.02`
`full_es2019`	`162362399` ns/iter (`± 10497079`)	`157271349` ns/iter (`± 8966348`)	`1.03`
`full_es2020`	`161996612` ns/iter (`± 7723926`)	`156564744` ns/iter (`± 10003281`)	`1.03`
`full_es3`	`228806312` ns/iter (`± 18809397`)	`225482878` ns/iter (`± 11824709`)	`1.01`
`full_es5`	`213535213` ns/iter (`± 10968807`)	`204995853` ns/iter (`± 9341339`)	`1.04`
`parser`	`772690` ns/iter (`± 20363`)	`682026` ns/iter (`± 22471`)	`1.13`
`ser_ast_node`	`180` ns/iter (`± 4`)	`152` ns/iter (`± 2`)	`1.18`
`ser_serde`	`181` ns/iter (`± 2`)	`152` ns/iter (`± 1`)	`1.19`
`emit_colors`	`15904537` ns/iter (`± 20739340`)	`17313519` ns/iter (`± 22867348`)	`0.92`
`emit_large`	`108215122` ns/iter (`± 165448618`)	`101344251` ns/iter (`± 156215603`)	`1.07`
`base_clone`	`2831493` ns/iter (`± 97367`)	`2612742` ns/iter (`± 507742`)	`1.08`
`fold_span`	`4607459` ns/iter (`± 38620`)	`4456273` ns/iter (`± 1045201`)	`1.03`
`fold_span_panic`	`4793731` ns/iter (`± 53499`)	`4705815` ns/iter (`± 999285`)	`1.02`
`visit_mut_span`	`3408491` ns/iter (`± 32792`)	`3078110` ns/iter (`± 279457`)	`1.11`
`visit_mut_span_panic`	`3473445` ns/iter (`± 34145`)	`3442313` ns/iter (`± 946866`)	`1.01`
`ast_clone`	`20535` ns/iter (`± 231`)	`17809` ns/iter (`± 210`)	`1.15`
`ast_clone_to_stable`	`59281` ns/iter (`± 453`)	`51976` ns/iter (`± 542`)	`1.14`
`ast_clone_to_stable_then_to_unstable`	`110210` ns/iter (`± 457`)	`95709` ns/iter (`± 597`)	`1.15`
`json_deserialize`	`2260906` ns/iter (`± 4702`)	`1889414` ns/iter (`± 5811`)	`1.20`
`json_serialize`	`101063` ns/iter (`± 428`)	`85430` ns/iter (`± 610`)	`1.18`
`boxing_boxed`	`148` ns/iter (`± 0`)	`126` ns/iter (`± 0`)	`1.17`
`boxing_boxed_clone`	`81` ns/iter (`± 0`)	`67` ns/iter (`± 0`)	`1.21`
`boxing_unboxed`	`132` ns/iter (`± 0`)	`112` ns/iter (`± 0`)	`1.18`
`boxing_unboxed_clone`	`74` ns/iter (`± 0`)	`71` ns/iter (`± 0`)	`1.04`
`time_10`	`403` ns/iter (`± 4`)	`329` ns/iter (`± 1`)	`1.22`
`time_15`	`889` ns/iter (`± 11`)	`698` ns/iter (`± 6`)	`1.27`
`time_20`	`1412` ns/iter (`± 8`)	`1317` ns/iter (`± 5`)	`1.07`
`time_40`	`4818` ns/iter (`± 31`)	`6598` ns/iter (`± 17`)	`0.73`
`time_5`	`128` ns/iter (`± 1`)	`107` ns/iter (`± 1`)	`1.20`
`time_60`	`10198` ns/iter (`± 51`)	`14884` ns/iter (`± 663`)	`0.69`