mirror of
https://github.com/google/blockly.git
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b46a4fe286
* Google changed from an Inc to an LLC. This happened back in 2017 but we didn’t notice. Officially we should update files from Inc to LLC when they are changed as part of regular edits, but this is a nightmare to remember for the next decade. * Remove project description/titles from licenses This is no longer part of Google’s header requirements. Our existing descriptions were useless (“Visual Blocks Editor”) or grossly obselete (“Visual Blocks Language”). * License no longer requires URL. * Fix license regexps.
111 lines
3.6 KiB
Bash
Executable File
111 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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# Locally build and compress the core Blockly files into a single JavaScript
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# file.
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#
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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Usage: local_build.sh.
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#
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# This script generates only local_blockly_compressed.js and
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# local_blocks_compressed.js . You may modify it as needed to build other
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# files.
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#
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# local_blockly_compressed.js:
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# The compressed file is a concatenation of all of Blockly's core files, run
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# through a local copy of Google's Closure Compiler with simple optimizations
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# turned on.
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#
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# local_blocks_compressed.js:
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# The compressed file is a concatenation of all of Blockly's block files, run
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# through a local copy of Google's Closure Compiler with simple optimizations
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# turned on.
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#
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# Future work:
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# - Trim down Google's Apache licenses, to match the output of build.py.
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# - Generate other compressed files generated by build.py normally.
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# - Add a good error message if multiple versions of the closure compiler were
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# found.
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EXPECTED_PWD='local_build'
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# Check the current working directory.
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if [[ ${PWD##*/} != $EXPECTED_PWD ]]; then
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echo ""
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echo " WARNING This script should be run from the local_build folder."
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echo ""
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exit 1
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fi
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# Find the Closure Compiler.
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if [ -f "$(npm root)/google-closure-compiler-java/compiler.jar" ]; then
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COMPILER="$(npm root)/google-closure-compiler-java/compiler.jar"
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elif [ -f closure-compiler*.jar ]; then
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COMPILER="closure-compiler*.jar"
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# TODO: Check whether multiple files were found.
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else
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echo "ERROR: Closure Compiler not found."
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echo "Download from this URL, and place jar file in current directory."
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echo "https://dl.google.com/closure-compiler/compiler-latest.zip"
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exit 1
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fi
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echo Using $COMPILER as the compiler.
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rm local_blockly_compressed.js 2> /dev/null
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echo Compiling Blockly core...
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java -jar $COMPILER \
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--js='../core/**.js' \
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--generate_exports \
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--warning_level='DEFAULT' \
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--compilation_level SIMPLE_OPTIMIZATIONS \
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--dependency_mode=STRICT \
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--entry_point=Blockly \
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--js_output_file local_blockly_compressed.js
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if [ -s local_blockly_compressed.js ]; then
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echo Compilation OK.
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else
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echo Compilation FAIL.
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exit 1
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fi
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rm local_blocks_compressed.js 2> /dev/null
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echo Compiling Blockly blocks...
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# Add Blockly and Blockly.Blocks to be compatible with the compiler.
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echo -e "'use strict';\ngoog.provide('Blockly');goog.provide('Blockly.Blocks');" > temp.js
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# Concatenate all blocks/*.js into the first file, as the compiler will otherwise
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# remove them as not needed.
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# Also remove 'use strict' to avoid unnecessary warnings
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cat ../blocks/*.js| grep -v "^'use strict';" >> temp.js
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java -jar $COMPILER \
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--js='temp.js' \
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--generate_exports \
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--warning_level='DEFAULT' \
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--compilation_level SIMPLE_OPTIMIZATIONS \
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--dependency_mode=PRUNE \
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--entry_point=Blockly \
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--js_output_file local_blocks_compressed.js
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rm temp.js 2> /dev/null
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if [ -s local_blocks_compressed.js ]; then
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echo Compilation OK
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# Remove Blockly initialization line. This is present in local_blockly_compressed.
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sed -i 's/var Blockly={Blocks:{}};//g' local_blocks_compressed.js
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else
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echo Compilation FAIL.
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exit 1
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fi
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