oxc-project
oxc
BlogDocsChangelog

fix(parser): allow `extends this.B` syntax

#12038Merged
Comparing
07-02-fix_parser_allow_extends_this.b_syntax
(
6d865af
) with
main
(
5851d2c
)
CodSpeed Performance Gauge
0%
Untouched
38

Benchmarks

Passed

minifier[cal.com.tsx]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
+3%
23.8 ms23.1 ms
mangler[binder.ts]
tasks/benchmark/benches/minifier.rs::minifier::bench_mangler
CodSpeed Performance Gauge
0%
808.1 µs804.2 µs
codegen[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
134.3 µs134.2 µs
formatter[binder.ts]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
0%
20.7 ms20.6 ms
codegen[react.development.js]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
2.2 ms2.2 ms
minifier[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
0%
66.1 µs66 µs
linter[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
2.6 ms2.6 ms
semantic[binder.ts]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
0%
4.3 ms4.3 ms
linter[cal.com.tsx]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
1.2 s1.2 s
estree[checker.ts]
tasks/benchmark/benches/parser.rs::parser::bench_estree
CodSpeed Performance Gauge
0%
104.6 ms104.6 ms
lexer[cal.com.tsx]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
5.8 ms5.8 ms
linter[binder.ts]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
150 ms150 ms
lexer[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
21.1 µs21.1 µs
formatter[react.development.js]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
0%
10.4 ms10.4 ms
lexer[react.development.js]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
383.9 µs383.9 µs
transformer[react.development.js]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
0%
695.4 µs695.4 µs
formatter[cal.com.tsx]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
0%
161.9 ms161.9 ms
parser[react.development.js]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
1.3 ms1.3 ms
minifier[react.development.js]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
0%
1.8 ms1.8 ms
minifier[binder.ts]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
0%
3.5 ms3.5 ms
lexer[binder.ts]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
930 µs930.1 µs
parser[cal.com.tsx]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
27 ms27.1 ms
isolated-declarations[vue-id.ts]
tasks/benchmark/benches/transformer.rs::transformer::bench_isolated_declarations
CodSpeed Performance Gauge
0%
57.5 ms57.5 ms
semantic[cal.com.tsx]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
0%
28.4 ms28.4 ms
linter[react.development.js]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
55.6 ms55.6 ms
semantic[react.development.js]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
0%
1.8 ms1.8 ms
mangler[react.development.js]
tasks/benchmark/benches/minifier.rs::minifier::bench_mangler
CodSpeed Performance Gauge
0%
283.9 µs284 µs
codegen[binder.ts]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
4.9 ms4.9 ms
parser[binder.ts]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
3.4 ms3.4 ms
transformer[binder.ts]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
0%
1.6 ms1.6 ms
codegen[cal.com.tsx]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
39.4 ms39.5 ms
formatter[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
0%
307.5 µs307.9 µs
parser[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
85 µs85.2 µs
transformer[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
0%
132.4 µs132.7 µs
semantic[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
-1%
79.2 µs79.7 µs
mangler[cal.com.tsx]
tasks/benchmark/benches/minifier.rs::minifier::bench_mangler
CodSpeed Performance Gauge
-1%
3.1 ms3.1 ms
mangler[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/minifier.rs::minifier::bench_mangler
CodSpeed Performance Gauge
-1%
14.3 µs14.4 µs
transformer[cal.com.tsx]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
-1%
25.8 ms26.1 ms

Commits

Click on a commit to change the comparison range
Base
main
5851d2c
-0.02%
fix(parser): allow `extends this.B` syntax (#12038) Syntactically, this is valid. It is only an error when you get to type checking. The error code itself can be handled as part of https://github.com/oxc-project/oxc/issues/11582, but this fixes an issue where we emitted an error for a case that should definitely be valid, as pointed out in the file itself.
6d865af
5 months ago
by camchenry
© 2025 CodSpeed Technology
Home Terms Privacy Docs