The :source-map option is in the project.clj he pasted.

Marc if the source-map url is missing from the end of the file it sounds
like something went wrong with the compile. In these situations it's best
to run a clean and then re-build. Have you tried that?

On Sun, Jan 25, 2015 at 9:08 AM, Moritz Ulrich <[email protected]> wrote:

> Marc Fawzi <[email protected]> writes:
>
> > I did some reading on enabling source maps for other languages (more
> > material exists for e.g. coffeescript) and I think the problem is that
> lein
> > cljsbuild is not adding that special comment to index.html to tell the
> > browser about the source map
> >
> > //# sourceMappingURL=/path/to/file.js.map
> >
> > in this case "dev/main/core.js.map"
> >
> > <!-- scripts and styles -->
> > <script src="http://fb.me/react-0.12.1.min.js";></script>
> > <script src="dev/goog/base.js" type="text/javascript"></script>
> > <script src="dev/app.js" type="text/javascript"></script>
> > <script type="text/javascript">goog.require("main.core");</script>
> >
> > But shouldn't goog.require be smart enough to add that? I have no idea
> > since I've never used goog.* or the Closure compiler
> >
> > It's it lein's job to put that special comment line or is it Google's
> > Closure's job? Or how does the line get added? We're definitely not
> sending
> > an X header for source maps, so we must have that special comment
> > (according to what I read)
> >
> > What am I missing here?
> >
> >
> > On Sat, Jan 24, 2015 at 4:31 PM, David Nolen <[email protected]>
> wrote:
> >
> >> Are you sure the source maps are accessible to the browser? You should
> see
> >> them getting loaded in the Network tab.
> >>
> >> David
> >>
> >> On Sat, Jan 24, 2015 at 7:20 PM, Marc Fawzi <[email protected]>
> wrote:
> >>
> >>>
> >>> at work, we've implemented a few features/pages in cljs without source
> >>> map support.. to me that's like using the force, but we know we will
> >>> eventually get stuck trying to fix a bug that we can't trace to the
> code
> >>> manually
> >>>
> >>> so we need source map support asap to smooth out the cljs adoption
> >>> process at our company
> >>>
> >>> the way we develop is by running "lein cljsbuild auto dev" and
> >>> refreshing the browser once we make changes (figwheel is on my list of
> >>> tools to investigate)
> >>>
> >>> anyway, the problem is with source maps
> >>>
> >>> We run node or python based web server to serve index.html (see below)
> >>> and we inherited this sample project.clj file
> >>>
> >>> (defproject CHANGE-ME-ME "0.1.0-SNAPSHOT"
> >>>   :description "CHANGE-ME"
> >>>   :url "https://CHANGE-ME";
> >>>   :dependencies [[org.clojure/clojure "1.6.0"]
> >>>                  [org.clojure/clojurescript "0.0-2280"]
> >>>                  [reagent "0.4.2"]
> >>>                  [cljs-ajax "0.2.6"]]
> >>>
> >>>   :plugins [[lein-environ "0.5.0"]
> >>>             [lein-cljsbuild "1.0.3"]]
> >>>
> >>>   :cljsbuild {:builds [{:id "dev"
> >>>                         :source-paths ["src"]
> >>>                         :compiler {:optimizations :none
> >>>                                    :output-to "public/dev/app.js"
> >>>                                    :output-dir "public/dev/"
> >>>                                    :source-map true}}
> >>>                        {:id "prod"
> >>>                         :source-paths ["src"]
> >>>                         :compiler {:optimizations :advanced
> >>>                                    :output-to "public/js/app.js"
> >>>                                    :pretty-print false}}
> >>>                        ]}
> >>>
> >>>   :min-lein-version "2.0.0")
> >>>
> >>> The index.html is
> >>>
> >>> <!DOCTYPE html>
> >>> <html>
> >>> <head>
> >>>     <META http-equiv="Content-Type" content="text/html; charset=UTF-8">
> >>>     <title>Reagent Starter Project</title>
> >>> </head>
> >>> <body>
> >>> <div class="container">
> >>>     <div id="app"></div>
> >>> </div>
> >>>
> >>> <!-- scripts and styles -->
> >>> <script src="http://fb.me/react-0.12.1.min.js";></script>
> >>> <script src="dev/goog/base.js" type="text/javascript"></script>
> >>> <script src="dev/app.js" type="text/javascript"></script>
> >>> <script type="text/javascript">goog.require("main.core");</script>
> >>> </body>
> >>> </html>
> >>>
> >>> I have not used anything but pure JS before so I'm not sure what to do
> to
> >>> get source maps working but as of now they are enabled in chrome but
> >>> exceptions are displayed in the console in cljs/reagent JS sources like
> >>> ratom.js and not in the cljs file
> >>>
> >>> I read the wiki on source maps and tried using source-map-path but that
> >>> didn't work
> >>>
> >>> does anyone have an example of source maps that works with a web
> server?
> >>>
> >>> any pointers will be appreciated
> >>>
> >>> very frustrating and nerve wrecking that we ca't debug cljs sources
> >>>
> >>> help!
> >>>
> >>> Thank you in advance
> >>>
> >>> Marc
> >>>
> >>>
> >>>
> >>>
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> >>
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> Have you set the :source-map compiler option? With it set to a path,
> source maps work just fine (in :advanced and :none) for me.
>
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