swc-project
swc
BlogDocsChangelog

refactor(es/parser): rm span swap in parser

#10854Merged
Comparing
bvanjoi:parse-pref
(
889a9f9
) with
dev/rust
(
c49ce1e
)
CodSpeed Performance Gauge
0%
Untouched
127
Ignored
1
Archived
13

Benchmarks

Passed

es/parser/jquery mobile
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
26.2 ms25.9 ms
es/parser/yui
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
12.8 ms12.7 ms
es/parser/three
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
80.3 ms79.5 ms
es/parser/typescript
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
444.9 ms440.3 ms
es/parser/backbone
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
3.3 ms3.2 ms
es/parser/jquery
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
16.8 ms16.7 ms
es/parser/mootools
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
13.2 ms13.1 ms
es/parser/angular
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
20.8 ms20.6 ms
es/minifier/libs/d3
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
+1%
408.9 ms405.5 ms
es/parser/underscore
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
2.8 ms2.8 ms
es/codegen/with-parser/large
crates/swc_ecma_codegen/benches/with_parse.rs::benches::bench_cases
CodSpeed Performance Gauge
+1%
1.2 ms1.2 ms
es/parser/colors
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
93 µs92.4 µs
es/parser/cal-com
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
+1%
65.8 ms65.5 ms
es/preset-env/usage/property
crates/swc_ecma_preset_env/benches/polyfills.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
117.6 µs117.1 µs
es/minifier/libs/typescript
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
4 s4 s
es/minifier/libs/terser
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
357.9 ms357 ms
typescript/fast-strip
crates/swc_ts_fast_strip/benches/assets.rs::benches::fast_ts
CodSpeed Performance Gauge
0%
535.2 µs533.9 µs
es/minifier/libs/react
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
20.4 ms20.4 ms
es/minifier/libs/jquery
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
101.1 ms100.9 ms
es/minifier/libs/victory
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
892.1 ms890.5 ms
es2015_block_scoped_fn
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
293.7 µs293.2 µs
es/minifier/libs/echarts
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
1.6 s1.6 s
es/minifier/libs/lodash
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
119.1 ms118.9 ms
parse_and_babelify_backbone
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
15.8 ms15.8 ms
es/minifier/libs/moment
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
65.3 ms65.2 ms
es/minifier/libs/vue
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
148.5 ms148.3 ms
parse_and_babelify_underscore
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
13.5 ms13.4 ms
parse_and_babelify_yui
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
68 ms67.9 ms
es2015_fn_name
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
286 µs285.6 µs
es/resolver_with_hygiene/typescript
crates/swc_ecma_transforms_base/benches/base.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
775.1 ms774 ms
es2015_shorthand_property
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
275.2 µs274.8 µs
parse_and_babelify_jquery_mobile
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
172.5 ms172.3 ms
parse_and_babelify_mootools
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
74.3 ms74.2 ms
parse_and_babelify_jquery
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
101 ms100.9 ms
es2017_async_to_generator
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
276.8 µs276.4 µs
es/target/es2017
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::version_group
CodSpeed Performance Gauge
0%
279.1 µs278.8 µs
es2015_instanceof
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
281.3 µs281 µs
es2015_computed_props
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
277.1 µs276.8 µs
es/target/es2020
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::version_group
CodSpeed Performance Gauge
0%
453.1 µs452.6 µs
es2022_class_properties
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
384.5 µs384.2 µs
es2018_object_rest_spread
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
293.5 µs293.2 µs
parse_and_babelify_angular
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
160.1 ms159.9 ms
stackoverflow
crates/swc_html_minifier/benches/full.rs::files_document_fragment::bench_files_document_fragment::html/minify/document_fragment
CodSpeed Performance Gauge
0%
36.1 ms36.1 ms
es/transform/baseline/base
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::baseline_group
CodSpeed Performance Gauge
0%
262.2 µs262 µs
html/lexer/stackoverflow_com_17_05_2022
crates/swc_html_parser/benches/lexer.rs::benches::bench_files
CodSpeed Performance Gauge
0%
14.7 ms14.7 ms
es2015_destructuring
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
349.1 µs348.9 µs
es/target/es2018
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::version_group
CodSpeed Performance Gauge
0%
311.1 µs310.9 µs
es2015_for_of
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
292 µs291.8 µs
es2020_nullish_coalescing
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
300.8 µs300.6 µs
es2015_sticky_regex
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
278.5 µs278.4 µs
es2015_duplicate_keys
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
283.2 µs283.1 µs
es/resolver/typescript
crates/swc_ecma_transforms_base/benches/base.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
247.6 ms247.5 ms
github
crates/swc_html_minifier/benches/full.rs::files_document::bench_files_document::html/minify/document
CodSpeed Performance Gauge
0%
41.7 ms41.7 ms
es/lints/libs/three
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
50.2 ms50.2 ms
es/full-target/es2017
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::full_group
CodSpeed Performance Gauge
0%
534 µs533.8 µs
es2015_parameters
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
333.3 µs333.2 µs
es2015_spread
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
275.3 µs275.2 µs
es2015_typeof_symbol
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
279.7 µs279.5 µs
es/transform/baseline/common_reserved_word
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::baseline_group
CodSpeed Performance Gauge
0%
286.3 µs286.2 µs
es2015_classes
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
391.4 µs391.3 µs
css_spec
crates/swc_html_minifier/benches/full.rs::files_document::bench_files_document::html/minify/document
CodSpeed Performance Gauge
0%
196 ms196 ms
es/minifier/libs/three
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
660.2 ms660 ms
css/visitor/compare/clone
crates/swc_css_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
4.8 ms4.8 ms
es2016_exponentiation
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
292.7 µs292.7 µs
github
crates/swc_html_minifier/benches/full.rs::files_document_fragment::bench_files_document_fragment::html/minify/document_fragment
CodSpeed Performance Gauge
0%
41 ms41 ms
es/target/es2016
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::version_group
CodSpeed Performance Gauge
0%
293.5 µs293.4 µs
es/full-target/es2016
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::full_group
CodSpeed Performance Gauge
0%
567.8 µs567.7 µs
es/lints/libs/echarts
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
114.1 ms114 ms
html/parser/parser_document/css_2021_spec
crates/swc_html_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
73.2 ms73.2 ms
es/lints/libs/antd
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
156.1 ms156 ms
es/full-target/es2018
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::full_group
CodSpeed Performance Gauge
0%
516.1 µs516.1 µs
es/transform/baseline/common_typescript
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::baseline_group
CodSpeed Performance Gauge
0%
367 µs367 µs
html/document_fragment/visitor/compare/visit_mut_span
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.1 ms1.1 ms
es/target/es3
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::version_group
CodSpeed Performance Gauge
0%
399.6 µs399.6 µs
html/parser/parser_document/stackoverflow_com_17_05_2022
crates/swc_html_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
22.7 ms22.7 ms
es/minifier/libs/antd
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs
CodSpeed Performance Gauge
0%
2 s2 s
es/visitor/compare/visit_mut_span_panic
crates/swc_ecma_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
6 ms6 ms
css_spec
crates/swc_html_minifier/benches/full.rs::files_document_fragment::bench_files_document_fragment::html/minify/document_fragment
CodSpeed Performance Gauge
0%
193.6 ms193.6 ms
es/visitor/compare/fold_span_panic
crates/swc_ecma_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
6.8 ms6.8 ms
es/visitor/compare/clone
crates/swc_ecma_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
5.5 ms5.5 ms
html/parser/parser_document/github_com_17_05_2022
crates/swc_html_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
22.9 ms22.9 ms
html/document/visitor/compare/visit_mut_span_panic
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.1 ms1.1 ms
es/visitor/compare/fold_span
crates/swc_ecma_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
6.8 ms6.8 ms
html/document/visitor/compare/clone
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1 ms1 ms
es/lints/libs/jquery
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
6.5 ms6.5 ms
html/document_fragment/visitor/compare/clone
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1 ms1 ms
es2020_optional_chaining
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
338 µs338 µs
css/visitor/compare/visit_mut_span_panic
crates/swc_css_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
5.1 ms5.1 ms
css/parser/foundation_6_7_4
crates/swc_css_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
36.7 ms36.7 ms
css/visitor/compare/fold_span
crates/swc_css_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
5.7 ms5.7 ms
es/lints/libs/lodash
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
6.2 ms6.2 ms
html/lexer/github_com_17_05_2022
crates/swc_html_parser/benches/lexer.rs::benches::bench_files
CodSpeed Performance Gauge
0%
14.6 ms14.6 ms
es/lints/libs/react
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
1.3 ms1.3 ms
css/parser/bootstrap_5_1_3
crates/swc_css_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
46.2 ms46.2 ms
html/document/visitor/compare/fold_span_panic
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.2 ms1.2 ms
html/parser/parser_document_fragment/github_com_17_05_2022
crates/swc_html_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
22.8 ms22.8 ms
css/visitor/compare/visit_mut_span
crates/swc_css_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
5.1 ms5.1 ms
css/visitor/compare/fold_span_panic
crates/swc_css_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
5.7 ms5.7 ms
css/lexer/bootstrap_5_1_3
crates/swc_css_parser/benches/lexer.rs::benches::bench_files
CodSpeed Performance Gauge
0%
9.7 ms9.7 ms
html/parser/parser_document_fragment/css_2021_spec
crates/swc_html_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
72.5 ms72.5 ms
css/lexer/tailwind_3_1_1
crates/swc_css_parser/benches/lexer.rs::benches::bench_files
CodSpeed Performance Gauge
0%
1.6 ms1.6 ms
html/parser/parser_document_fragment/stackoverflow_com_17_05_2022
crates/swc_html_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
22.6 ms22.6 ms
es/fixer/typescript
crates/swc_ecma_transforms_base/benches/base.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
202 ms202 ms
html/document_fragment/visitor/compare/fold_span
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.2 ms1.2 ms
es/target/es2015
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::version_group
CodSpeed Performance Gauge
0%
1.2 ms1.2 ms
babelify-only
crates/swc_estree_compat/benches/babelify.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
2.1 ms2.1 ms
html/document/visitor/compare/fold_span
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.2 ms1.2 ms
es/lints/libs/typescript
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
276 ms276 ms
es2015_arrow
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
303.8 µs303.8 µs
es2019_optional_catch_binding
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
274.7 µs274.8 µs
html/document_fragment/visitor/compare/visit_mut_span_panic
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.1 ms1.1 ms
es/lints/libs/victory
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
70.6 ms70.6 ms
html/document_fragment/visitor/compare/fold_span_panic
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.2 ms1.2 ms
es/lints/libs/moment
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
4.2 ms4.2 ms
es/lints/libs/vue
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs
CodSpeed Performance Gauge
0%
8.3 ms8.3 ms
html/document/visitor/compare/visit_mut_span
crates/swc_html_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
1.1 ms1.1 ms
html/lexer/css_2021_spec
crates/swc_html_parser/benches/lexer.rs::benches::bench_files
CodSpeed Performance Gauge
0%
40.7 ms40.7 ms
es/hygiene/typescript
crates/swc_ecma_transforms_base/benches/base.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
436.1 ms436.3 ms
stackoverflow
crates/swc_html_minifier/benches/full.rs::files_document::bench_files_document::html/minify/document
CodSpeed Performance Gauge
0%
35.9 ms35.9 ms
css/lexer/foundation_6_7_4
crates/swc_css_parser/benches/lexer.rs::benches::bench_files
CodSpeed Performance Gauge
0%
7.9 ms7.9 ms
css/parser/tailwind_3_1_1
crates/swc_css_parser/benches/parser.rs::benches::bench_files
CodSpeed Performance Gauge
0%
7.1 ms7.1 ms
es2015_block_scoping
crates/swc_ecma_transforms_typescript/benches/compat.rs::benches::single_tr_group
CodSpeed Performance Gauge
0%
454.2 µs454.6 µs
es/codegen/large
crates/swc_ecma_codegen/benches/bench.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
641.9 µs642.6 µs
es/preset-env/usage/builtin_type
crates/swc_ecma_preset_env/benches/polyfills.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
251.6 µs251.9 µs
es/visitor/compare/visit_mut_span
crates/swc_ecma_parser/benches/compare.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
6 ms6 ms
es/codegen/colors
crates/swc_ecma_codegen/benches/bench.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
70 µs70.1 µs
es/codegen/with-parser/colors
crates/swc_ecma_codegen/benches/with_parse.rs::benches::bench_cases
CodSpeed Performance Gauge
0%
160.3 µs160.7 µs

Ignored

es/preset-env/entry/import
crates/swc_ecma_preset_env/benches/polyfills.rs::benches::bench_cases
Ignored
CodSpeed Performance Gauge
+1%
27.5 µs27.3 µs

Commits

Click on a commit to change the comparison range
Base
dev/rust
c49ce1e
-2.16%
refactor(es/parser): rm span swap in parser
e763ef3
4 months ago
by bvanjoi
+2.27%
Create eighty-pigs-drum.md
889a9f9
4 months ago
by kdy1
© 2025 CodSpeed Technology
Home Terms Privacy Docs