88 lines
1.9 KiB
Bash
88 lines
1.9 KiB
Bash
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#!/bin/bash
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# Minify index.html from src/ to production version
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# Usage: ./minify.sh
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set -e
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SRC_FILE="$(dirname "$0")/src/index.html"
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OUT_FILE="$(dirname "$0")/index.html"
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TEMP_FILE="${OUT_FILE}.tmp"
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if [ ! -f "$SRC_FILE" ]; then
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echo "❌ Source file not found: $SRC_FILE"
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exit 1
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fi
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echo "🔨 Minifying HTML..."
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echo " Input: $SRC_FILE"
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echo " Output: $OUT_FILE"
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perl -e "
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use strict;
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use warnings;
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open(my \$fh, '<', '$SRC_FILE') or die \$!;
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my \$content = do { local \$/; <\$fh> };
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close(\$fh);
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# Remove HTML comments
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\$content =~ s/<!--.*?-->//gs;
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# Compress CSS (remove spaces and comments)
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\$content =~ s/(<style[^>]*>)(.*?)(<\/style>)/
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my \$before = \$1;
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my \$style = \$2;
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my \$after = \$3;
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\$style =~ s{\/\*.*?\*\/}{}gs;
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\$style =~ s{\s+}{ }gs;
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\$style =~ s{\s*([{}:;,>+~])\s*}{\$1}gs;
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\$before . \$style . \$after;
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/gies;
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# Compress JavaScript (remove comments and extra spaces)
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\$content =~ s/(<script[^>]*>)(.*?)(<\/script>)/
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my \$before = \$1;
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my \$script = \$2;
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my \$after = \$3;
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\$script =~ s{\/\/.*\$}{}gm;
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\$script =~ s{\s+}{ }gs;
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\$script =~ s{\s*([{}();,])\s*}{\$1}gs;
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\$before . \$script . \$after;
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/gies;
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# Remove whitespace between tags
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\$content =~ s/>\s+</></gs;
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# Compress general whitespace
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\$content =~ s/\s+/ /gs;
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# Trim
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\$content =~ s/^\s+|\s+\$//g;
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open(my \$out, '>', '$TEMP_FILE') or die \$!;
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print \$out \$content;
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close(\$out);
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" || {
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echo "❌ Minification failed"
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rm -f "$TEMP_FILE"
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exit 1
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}
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mv "$TEMP_FILE" "$OUT_FILE"
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# Show statistics
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original=$(wc -c < "$SRC_FILE")
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minified=$(wc -c < "$OUT_FILE")
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saved=$((original - minified))
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percent=$((saved * 100 / original))
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echo ""
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echo "✅ Minification complete!"
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echo ""
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echo "📊 Compression statistics:"
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printf " Original: %6d bytes\n" "$original"
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printf " Minified: %6d bytes\n" "$minified"
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printf " Saved: %6d bytes (%d%%)\n" "$saved" "$percent"
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echo ""
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echo "✅ $OUT_FILE is ready for production"
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