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path: root/docs/_scripts/optimize-resources.sh
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#!/bin/sh
set -e
cd "$(dirname "$0")/.."

MISSING_UTILS=()
if ! (which svgo >/dev/null); then
  echo 'svgo not found in $PATH' >&2
  MISSING_UTILS+=( svgo )
fi

if ! (which pngcrush >/dev/null); then
  echo 'pngcrush not found in $PATH' >&2
  MISSING_UTILS+=( pngcrush )
fi

if ! (which convert >/dev/null); then
  echo 'convert not found in $PATH' >&2
  MISSING_UTILS+=( imagemagick )
fi

if ! [ -z $MISSING_UTILS ]; then
  if [[ "$(uname)" = *Darwin* ]]; then
    echo 'try `brew install '"${MISSING_UTILS[@]}"'` on mac'
  fi
  exit 1
fi

pushd res >/dev/null

# crunch /docs/res/*.svg
for f in *.svg; do
  svgo --multipass -q "$f" &
done

# crunch /docs/res/icons/*.svg
for f in icons/*.svg; do
  svgo --multipass -q "$f" &
done

# crunch /docs/res/*.png
for f in *.png; do
  TMPNAME=.$f.tmp
  (pngcrush -q "$f" "$TMPNAME" && mv -f "$TMPNAME" "$f") &
done

popd >/dev/null


pushd samples/img >/dev/null

# crunch /docs/samples/img/*.png
for f in *.png; do
  TMPNAME=.$f.tmp
  if (echo "$f" | grep -q 'thumb'); then
    (convert "$f" -flatten -background white -colors 16 "$TMPNAME" && pngcrush -q "$TMPNAME" "$f") &
  else
    (pngcrush -q "$f" "$TMPNAME" && mv -f "$TMPNAME" "$f") &
  fi
done

popd >/dev/null



pushd samples/icons >/dev/null

# crunch /docs/samples/icons/*.svg
for f in *.svg; do
  svgo --multipass -q "$f" &
done

popd >/dev/null

# wait for all background processes to exit
wait