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Invalid option: '; _; ' when creating twitter bootstrap

I just installed and configured the environment for creating custom versions of Twitter Bootstrap locally.

This is what I did:

  • Install node
  • Install npm
  • Install less
  • bootstrap clone locally
  • run make build to compile Bootstrap

Step 5:

 ~/devel/parking/bootstrap$ make build jshint js/*.js --config js/.jshintrc js/bootstrap-affix.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-alert.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-button.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-carousel.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-collapse.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-dropdown.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-modal.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-popover.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-scrollspy.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-tab.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-tooltip.js: line 24, col 17, Bad option: ';_;'. js/bootstrap-transition.js: line 23, col 17, Bad option: ';_;'. js/bootstrap-typeahead.js: line 23, col 17, Bad option: ';_;'. 13 errors make: *** [test] Error 2

Line 23:

 "use strict"; // jshint ;_;

I was able to solve the problem with deleting // jshint ;_; from line 23. Although I would prefer to leave Bootstrap sources untouched.

How can I get rid of these errors and what does the Bad Option error mean?

JS / .jshintrc:

 { "validthis": true, "laxcomma" : true, "laxbreak" : true, "browser" : true, "eqnull" : true, "debug" : true, "devel" : true, "boss" : true, "expr" : true, "asi" : true }
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3 answers

I met the same error just now, after looking for a download problem,

I found a solution by looking at them: https://github.com/twitter/bootstrap/pull/5244 https://github.com/twitter/bootstrap/issues/7043

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The problem today is that the latest version of JSHint is not compatible with the current Bootstrap Makefile, because previous silent warnings now cause errors.

Uninstall JSHint npm uninstall jshint , and then install version 0.9.1 npm install jshint@0.9.1 . Finally run make and it will compile successfully.

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Just removing JSHint did not do this for me. Here is what I did after this tip .

 cd bootstrap npm uninstall -g uglify-js jshint recess connect npm uninstall uglify-js jshint recess connect npm install mkdir bin cd bin ln -s ../node_modules/*/bin/* . ; ln -s hint jshint cd .. export PATH=$PATH:$PWD/bin

After this cleanup, simply run:

 make

or any other make directive.

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