third_party/polymer/extract_inline_scripts.sh

   1 #!/bin/bash
   2
   3 # Copyright 2014 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 set -e
   8
   9 if [ "$#" -ne 2 ]
  10 then
  11   echo "Usage: $0 <src_dir> <dst_dir>"
  12   echo
  13   echo "Copies <src_dir> to <dst_dir> and extracts all inline scripts from" \
  14        "Polymer HTML files found in the destination directory to separate JS" \
  15        "files. A JS file extracted from the file with name 'foo.html' will" \
  16        "have a name 'foo-extracted.js'. Inclusion of the script file will be" \
  17        "added to 'foo.html': '<script src=\"foo-extracted.js\"></script>'."
  18   exit 1
  19 fi
  20
  21 src="$1"
  22 dst="$2"
  23
  24 if [ -e "$dst" ]
  25 then
  26   echo "ERROR: '$dst' already exists. Please remove it before running the" \
  27       "script." 1>&2
  28   exit 1
  29 fi
  30
  31 cp -r "$src" "$dst"
  32 find "$dst" -name "*.html" \
  33             -not -path "*/demos/*" \
  34             -not -name "demo*.html" \
  35             -not -name "index.html" \
  36             -not -name "metadata.html" | \
  37 xargs grep -l "<script>" | \
  38 while read original_html_name
  39 do
  40   dir=$(dirname "$original_html_name")
  41   name=$(basename "$original_html_name" .html)
  42
  43   html_without_js="$dir/$name-extracted.html"
  44   extracted_js="$dir/$name-extracted.js"
  45   vulcanize -o "$html_without_js" --csp --config vulcanize_config.json \
  46       "$original_html_name" 1>&2
  47   mv "$html_without_js" "$original_html_name"
  48 done