Reporting Bootstrap Issues

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The up to date version of this page can be found at https://clojurescript.org/community/reporting-bootstrap-issues

Ticket Entry

Please enter issues with self-hosted / bootstrapped ClojureScript

• marked as having Minor priority
• title prefixed with "Self-host: "
• marked with bootstrap label

Minimal Repro

Do not rely on downstream bootstrapped environments to report or demonstrate issues.

Oftentimes, a new unit test can be written that fails when script/test-self-parity is run. (This runs the compiler unit tests, but in a bootstrap environment).

Otherwise, reproduction steps generally need to involve minimal code that exercises cljs.js, demonstrating the issue.

Frequently it is possible to do this with a couple of lines in a REPL. Here is an example exercising the cljs.js/eval-str API by simply issuing a couple forms in the shipping Nashorn REPL:

$ java -jar cljs.jar -m cljs.repl.nashorn
To quit, type: :cljs/quit
cljs.user=> (require 'cljs.js)
nil
cljs.user=> (cljs.js/eval-str (cljs.js/empty-state) 
  "(+ 1 2)" nil {:eval cljs.js/js-eval :context :expr} identity)
{:ns cljs.user, :value 3}

(Note: If you have Node installed, you can do the same by replacing cljs.repl.nashorn with cljs.repl.node in the above.)

For more complex situations, reproduction could involve additional code, or even a new self-host unit test that exhibits the problem. Information on self-host unit tests is here.