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#!/bin/bash
# Copyright 2019 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# - Downloads all dependencies listed in package.json
# - Makes Chromium specific modifications.
# - Places the final output in components-chromium/
check_dep() {
eval "$1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
echo >&2 "This script requires $2."
echo >&2 "Have you tried $3?"
exit 1
fi
}
check_dep "which npm" "npm" "visiting https://nodejs.org/en/"
check_dep "which rsync" "rsync" "apt-get install rsync"
check_dep "sed --version | grep GNU" \
"GNU sed as 'sed'" "'brew install gnu-sed --with-default-names'"
pushd "$(dirname "$0")" > /dev/null
rm -rf node_modules
# Note: The --production flag is omitted, such that devDependencies
# referenced later by this script are also downloaded.
npm install
rsync -c --delete --delete-excluded -r -v --prune-empty-dirs \
--exclude-from="rsync_exclude.txt" \
"node_modules/@polymer/" \
"node_modules/@webcomponents/" \
"components-chromium/"
# Replace all occurrences of "@polymer/" with "../" or # "../../".
find components-chromium/ -mindepth 2 -maxdepth 2 -name '*.js' \
-exec sed -i 's/@polymer\//..\//g' {} +
find components-chromium/ -mindepth 3 -maxdepth 3 -name '*.js' \
-exec sed -i 's/@polymer\//..\/..\//g' {} +
# Replace all occurrences of "@webcomponents/" with "../".
#find . -name '*.js' -exec sed -i 's/@webcomponents\///g' {} +
find components-chromium/polymer/ -mindepth 3 -maxdepth 3 -name '*.js' \
-exec sed -i 's/@webcomponents\//..\/..\/..\//g' {} +
# Apply additional chrome specific patches.
patch -p1 --forward -r - < chromium.patch
echo 'Minifying Polymer 3, since it comes non-minified from NPM.'
python minify_polymer.py
echo 'Copying TypeScript .d.ts files to the final Polymer directory.'
# Copy all .d.ts files to the final Polymer directory. Note that the order of
# include and exclude flags matters.
rsync -c --delete -r -v --prune-empty-dirs \
--include="*/" --include="*.d.ts" --exclude="*" \
"node_modules/@polymer/polymer/" "components-chromium/polymer/"
echo 'Updating paper/iron elements to point to the minified file.'
# Replace all paths that point to within polymer/ to point to the bundle.
find components-chromium/ -name '*.js' -exec sed -i \
's/\/polymer\/[a-zA-Z\/\.-]\+/\/polymer\/polymer_bundled.min.js/' {} +
# Undo any changes in paper-ripple, since Chromium's implementation is a fork of
# the original paper-ripple.
git checkout -- components-chromium/paper-ripple/*
new=$(git status --porcelain components-chromium | grep '^??' | \
cut -d' ' -f2 | egrep '\.(js|css)$' || true)
if [[ ! -z "${new}" ]]; then
echo
echo 'These files appear to have been added:'
echo "${new}" | sed 's/^/ /'
fi
deleted=$(git status --porcelain components-chromium | grep '^.D' | \
sed 's/^.//' | cut -d' ' -f2 | egrep '\.(js|css)$' || true)
if [[ ! -z "${deleted}" ]]; then
echo
echo 'These files appear to have been removed:'
echo "${deleted}" | sed 's/^/ /'
fi
if [[ ! -z "${new}${deleted}" ]]; then
echo
fi
echo 'Stripping unnecessary prefixed CSS rules...'
python ../v1_0/css_strip_prefixes.py --file_extension=js
echo 'Generating -rgb versions of --google-* vars in paper-style/colors.js...'
python ../v1_0/rgbify_hex_vars.py --filter-prefix=google --replace \
components-chromium/paper-styles/color.js
# TODO create components summary
echo 'Creating GN files for interfaces and externs...'
../v1_0/generate_gn.sh 3 # polymer_version=3
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