Commit Graph

3 Commits

Author SHA1 Message Date
Donny/강동윤
4c983e9158
perf(es/codegen, es/parser): Improve performance (#2406)
ast_node:
 - Make `.span()` inlinable.

swc_ecma_codegen:
 - Reduce call to *heavy* `.span()` calls.

swc_ecma_parser:
 - Reduce `memmove` by using typed-arena.

swc_bundler:
 - Make `Bundle.bundle` take `&mut self`.
 - Make drop concurrent.
2021-10-15 12:49:37 +09:00
강동윤
f44e25c3af
fix(es/minifier): Improve output of minifier (#1990)
swc_common:
 - Add `Span.has_mark`.

swc_ecma_codegen:
 - Emit `1e3` for `1000`.
 - Optimize output. (#1986)

swc_ecma_minifier:
 - name mangler: Don't use keywords as an id.
 - `properties`: Optimize member expression with string properties.
 - `inline`: Inline some function expressions even if it's not fn-local.
 - `analyzer`: Track reassignment correctly.
 - `analyzer`: Track fn-local correctly.
 - `sequences`: Inject `void` if required.
 - `inline`: Inline function declarations correctly.
 - `sequences`: Merge expressions into test of if statements.
 - `sequences`: Reduce calls to an assigned variable.
 - Use `Marks` instead of `&dyn Comments`.


swc_ecma_transforms_optimization:
 - `expr_simplifier`: Fix infinite loops.

node/swc:
 - Ensure that `.transform` performs minification. (#1989)
2021-08-04 00:52:47 +09:00
강동윤
8f280c535c
Performance (#696)
- Parser performance is improved by ~15%
 - Codegen performance is improved by ~90% (when comment and source map is enabled)
2020-03-01 20:05:03 +09:00