1 #!/bin/bash 2 3 # Copyright (c) 2011 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 # This script checks the touch_ntp code for common errors and style 8 # problems using the closure compiler (jscompiler) and closure linter 9 # (gjslint) - both of which must be on the path. 10 # See http://code.google.com/closure/compiler/ and 11 # http://code.google.com/closure/utilities/ for details on these tools. 12 13 SOURCES="event_tracker.js touch_handler.js card_slider.js new_tab.js grabber.js apps_page.js recently_closed.js" 14 15 # First run the closure compiler looking for syntactic issues. 16 # Note that we throw away the output from jscompiler since it's use 17 # is not yet common in Chromium and for now we want it to be an optional 18 # tool for helping to find bugs, not something that actually changes 19 # the embedded JavaScript (making it harder to debug, for example). 20 21 # I used to run with '--warning_level VERBOSE' to get full type checking 22 # but there are enough limitations in the language and compiler that 23 # it doesn't seem worth the benefit (spent more time trying to apease 24 # the compiler and reviewers of my code than the compiler saved me). 25 26 # Enable support for property get/set syntax as added in ecmascript5. 27 # Note that this requires a build of JSCompiler that is newer than 28 # Feb 2011. 29 CARGS="--language_in=ECMASCRIPT5_STRICT" 30 31 CARGS+=" --js_output_file /dev/null" 32 for S in $SOURCES tools/externs.js; do 33 CARGS+=" --js $S" 34 done 35 36 cd `dirname $0`/.. 37 38 echo jscompiler $CARGS 39 jscompiler $CARGS || exit 1 40 41 # Now run the closure linter looking for style issues. 42 43 # GJSLint can't follow the more concice syntax for prototype members and 44 # complains about missing @this annotations (filed as bug 4073735). To 45 # cope for now I just just off all missing-JSDoc warnings. 46 LARGS="--nojsdoc" 47 48 # Verify extra rules like spacing and indentation 49 LARGS+=" --strict" 50 51 # Might as well check the bit of JS we have embedded in HTML too 52 LARGS+=" --check_html new_tab.html" 53 54 LARGS+=" $SOURCES" 55 56 echo gjslint $LARGS 57 gjslint $LARGS || exit 1 58