I'd like to use clojurescript to set up a gclosure logger
(goog.debug.Logger) similar to the closure demo [1]. The slightly
modified javascript for this is below. How should clojurescript
insulate the programmer from the mutability issues?
1) log level mutates a LogManager object
2) a logconsole object is created that will receive logger messages
3) a logger object is created
I know I can get this to work but I want to do it the best way
possible and minimize cringing on the part of clojure programmers who
know the language and functional programming better than I do.
How about a single logging function that has a defonce for an atom
which sets up 1), 2), and 3) and then uses the atom (the logger
object) to reference the relevant logging method? (e.g. info) Also,
it's my understanding that clojurescript doesn't support private
declarations so defonce- is not possible. My reservation is a def (or
defonce) shouldn't be nested in a defn.
There's got to be a better way and thank you for the feedback.
- Ryan
---------
(defn g-log
[msg]
(defonce g-logger (atom (let blah blah ...
(.info g-logger msg))
---------
//
// javascript based on google closure demo
//
// Set log level
goog.debug.LogManager.getRoot().setLevel(goog.debug.Logger.Level.ALL);
// enable logger to receive logging messages
var logconsole = new goog.debug.DivConsole(goog.dom.getElement('log'));
logconsole.setCapturing(true);
// create logging object
var logger = goog.debug.Logger.getLogger('demo');
// now we can log stuff
logger.info("This is a log message");
---------
[1]
http://closure-library.googlecode.com/svn/trunk/closure/goog/demos/button.html
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