swc/crates/swc_ecma_minifier/scripts/reduce/reduce.sh
2022-04-20 15:52:03 +09:00

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#!/usr/bin/env bash
set -eu
if ! command -v creduce &> /dev/null
then
echo "creduce not found. Installing"
brew install creduce
exit
fi
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
echo "Reducing $1"
ls -al $1
# Build swc minifier
export MINIFY=$(cargo profile bin-path --release --example compress)
wd="$(mktemp -d)"
echo "Using $MINIFY; dir = $wd"
cp $1 "$wd/input.js"
dir="$(dirname $1)"
# Verify that we can run `creduce`
(cd $wd && "$SCRIPT_DIR/../_/reduce/compare.sh")
(cd $wd && creduce "$SCRIPT_DIR/../_/reduce/compare.sh" "$wd/input.js")
REDUCED_SIZE=$(wc -c <"$wd/input.js")
hash=$(sha1sum < "$wd/input.js")
echo "Hash is $hash"
echo "Reduced size is $REDUCED_SIZE bytes"
if [[ $REDUCED_SIZE -le 3 ]]; then
echo "Removing $1"
rm -rf $1
./scripts/_/notify.sh "Removed $1"
(cd $dir && git commit -m "Remove a file as it didn't break anything" $1)
else
cat $wd/input.js
# mkdir -p "$SCRIPT_DIR/../tests/fixture/reduced/$hash"
# cp "$wd/input.js" "$SCRIPT_DIR/../tests/fixture/reduced/$hash/input.js"
./scripts/_/notify.sh "Found errornous input"
fi