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swc/crates/swc_ecma_minifier
History
SWC Bot 018ca946e7 chore: Publish crates
2022-10-10 13:09:51 +00:00
..
benches perf(es/minifier): Enable parallel processing (#5705) 2022-09-01 13:36:30 +09:00
examples chore(es/minifier): Fix size calculator script (#5767) 2022-09-06 22:23:57 +09:00
inputs fix(es/minifier): Fix bugs (#2955) 2022-01-05 05:12:52 +09:00
scripts feat(es/minifier): Drop vars from sequential inliner (#5993) 2022-09-30 09:43:31 +00:00
src feat(es/minifier): Enable reduce_funcs by default (#6097) 2022-10-10 05:38:17 +00:00
tests feat(es/minifier): Inline more lazily initialized vars (#6089) 2022-10-10 09:53:50 +09:00
.eslintrc chore(repo): Configure prettier (#4523) 2022-05-04 14:25:28 +00:00
.gitignore feat(es/minifier): Remove duplicate var declarations (#5373) 2022-08-03 13:05:56 +09:00
Cargo.toml chore: Publish crates 2022-10-10 13:09:51 +00:00
package.json fix(es/minifier): Fix optimization of assignment expressions (#3231) 2022-01-12 08:26:56 +09:00
README.md chore(es/minifier): Add a script to instrument real-world inputs (#4399) 2022-04-22 10:37:04 +00:00
yarn.lock fix(es/minifier): Fix optimization of assignment expressions (#3231) 2022-01-12 08:26:56 +09:00

README.md

Minifier

EcmaScript minifier for the SWC project. This is basically a port of terser.

Note

Currently name mangler is very simple. To focus on creating a MVP, I (kdy1) will use simple logic for name mangler and implement the content-aware name mangler after publishing first non-beta version.

Debugging tips

If the output contains variables named e, t, n it typically means the original library is published in a minified form and the input contains eval. The current swc name mangler does not do anything if eval is used.

Profiling the minifier

From mac os x, run

./scripts/instrument/all.sh path/to/input/dir