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easejs/tools/combine

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#!/bin/sh
#
# Copyright (C) 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
#
# This file is part of GNU ease.js.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# #
PATH_TOOLS=$( dirname "$0" )
PATH_LIB="$PATH_TOOLS/../lib"
PATH_TEST="$PATH_TOOLS/../test"
MODULE_EXT='js'
TPL_PATH="$PATH_TOOLS/combine.tpl"
TPL_LICENSE_PATH="$PATH_TOOLS/license.tpl"
TPL_TEST_PATH="$PATH_TOOLS/combine-test.tpl"
TPL_VAR='/**{CONTENT}**/'
RMTRAIL="$PATH_TOOLS/rmtrail"
# determine the order in which modules must be concatenated; order matters to
# ensure dependencies are loaded before the module that depends on them
cat_modules=$(
cd "$PATH_TOOLS/../" &&
grep -rIo ' require(.*)' lib/ \
| sed "s/^lib\///;s/\.js://;s/require( *'\.\/\(.*\)'.*/\1/" \
| node tools/combine-order.js
) || {
echo "Failed to get module list" >&2
exit 3
}
# get a list of all available modules
all_modules=$(
cd "$PATH_LIB" &&
ls -1 *.js \
| sed 's/\.js$//'
)
# get lsit of modules that haven't been
remain_modules=$(
echo "$cat_modules
$all_modules" \
| sort \
| uniq -u
)
cat_modules="$cat_modules
$remain_modules"
##
# Output template header
##
tpl_header()
{
# prepend license
cat "$TPL_LICENSE_PATH"
# cut out the top of the template (before the content location)
cat "$TPL_PATH" \
| awk "{
if ( \$0 == \"$TPL_VAR\" )
exit;
else
print \$0;
}"
}
##
# Output template footer
##
tpl_footer()
{
# cut out the bottom of the template (after where we need to place the
# content)
cat "$TPL_PATH" \
| awk "BEGIN { go = 0 }
{
if ( \$0 == \"$TPL_VAR\" )
go = 1
else
if ( go == 1 )
print \$0;
}"
}
# ensure we can locate our templates (should be in the /tools dir)
if [ ! -f "$TPL_PATH" ]; then
echo "Error: combine.tpl not found ($TPL_PATH)" >&2
exit 1
fi
if [ ! -f "$TPL_PATH" ]; then
echo "Error: license.tpl not found ($TPL_PATH)" >&2
exit 1
fi
# output combined file header
tpl_header
# output each of the modules
for module in $cat_modules; do
filename="$PATH_LIB/$module.$MODULE_EXT"
if [ ! -f "$filename" ]; then
echo "Error: module $module not found ($filename)" >&2
exit 2
fi
# each module must be enclosed in a closure to emulate a module
echo "/** $module **/"
echo "( function( module, __dirname )"
echo "{"
echo " var exports = module.exports = {};"
# add the module, removing trailing commas
cat $filename | $RMTRAIL
echo "} )( module['$module'] = {}, '.' );"
done
# include tests?
if [ "$INC_TEST" ]; then
# note that not all tests are included
TEST_CASES=$( cd "$PATH_TEST"; find . -name '*Test*.js' \
| sed 's/^.\///' \
| sort \
| grep -v '\(Combine\(PreEs5\)\?\|Index\)Test.js' \
)
# find include files separately so we can output those before the tests
TEST_INC=$(
cd "$PATH_TEST" \
&& find . -name 'inc-*.js' \
| sed 's/^\.\///' \
)
# include test combine template
cat "$TPL_TEST_PATH" | grep -v '^#' | $RMTRAIL
echo "/** TEST CASES **/"
echo "ns_exports.runTests = function()"
echo "{"
for testcase in $TEST_INC $TEST_CASES; do
filename="$PATH_TEST/$testcase"
# generate the module name by removing path and extension, then
# prefixing it with "test/"
module="${filename%.*}"
module="test/${module##*test/}"
module_dir=$( dirname "$module" )
# each module must be enclosed in a closure to emulate a module
echo "/** TEST CASE: $testcase **/"
echo "( function( module, __dirname )"
echo "{"
echo " var exports = module.exports = {};"
# write out current test to make debugging easier in browsers with very
# little debugging support
echo " document.write( '$module...<br />' )"
# add the module, removing trailing commas
cat $filename | $RMTRAIL
echo "} )( module['$module'] = {}, '$module_dir' );"
done
echo "};"
fi
# output combined file footer
tpl_footer
exit 0