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processor.js
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processor.js
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var Processor = function (url, init, handler) {
var failed = false;
// Overwritten when the script loads
var callback = function () {
window.console && window.console.warn('Processor is not ready yet - trying again');
failed = true;
return '';
};
if (typeof handler === 'undefined') {
handler = init;
init = null;
}
var script = document.createElement('script');
script.src = url;
// Script has loaded.
// Run any init code, and swap the callback. If we failed, try again.
var scriptCB = function () {
if (init) init();
callback = handler;
if (failed) {
editors.console.render();
}
};
script.onreadystatechange = script.onload = function() {
var state = script.readyState;
if (!scriptCB.done && (!state || /loaded|complete/.test(state))) {
scriptCB.done = true;
scriptCB();
script.parentNode.removeChild(script);
}
};
document.body.appendChild(script);
return function () {
return callback.apply(this, arguments);
};
};
var processors = jsbin.processors = {
coffeescript: function (ready) {
return new Processor(jsbin.static + '/js/vendor/coffee-script.js', function () {
$.getScript(jsbin.static + '/js/vendor/codemirror2/coffeescript.js', ready);
}, function (source) {
var renderedCode = '';
try {
renderedCode = CoffeeScript.compile(source, {
bare: true
});
} catch (e) {
console && console.error(e.message);
}
return renderedCode;
});
},
typescript: function (ready) {
return new Processor(jsbin.static + '/js/vendor/typescript.min.js', ready, function (source) {
var noop = function () {};
var outfile = {
source: "",
Write: function (s) {
this.source += s;
},
WriteLine: function (s) {
this.source += s + "\n";
},
Close: noop
};
var outerr = {
Write: noop,
WriteLine: noop,
Close: noop
};
var parseErrors = [];
var compiler = new TypeScript.TypeScriptCompiler(outfile, outerr);
compiler.setErrorCallback(function (start, len, message) {
parseErrors.push({ start: start, len: len, message: message });
});
compiler.parser.errorRecovery = true;
compiler.addUnit(source, 'jsbin.ts');
compiler.typeCheck();
compiler.reTypeCheck();
compiler.emit();
for (var i = 0, len = parseErrors.length; i < len; i++) {
console.log('Error Message: ' + parseErrors[i].message);
console.log('Error Start: ' + parseErrors[i].start);
console.log('Error Length: ' + parseErrors[i].len);
}
return outfile.source;
});
},
markdown: function (ready) {
return new Processor(jsbin.static + '/js/vendor/markdown.js', function () {
$.getScript(jsbin.static + '/js/vendor/codemirror2/markdown.js', ready);
}, function (source) {
return markdown.toHTML(source);
});
},
processing: function (ready) {
return new Processor(jsbin.static + '/js/vendor/processing.min.js', function () {
$('#library').val( $('#library').find(':contains("Processing")').val() ).trigger('change');
// init and expose jade
$.getScript(jsbin.static + '/js/vendor/codemirror2/clike.js', ready);
}, function (source) {
source = [
'(function(){',
' var canvas = document.querySelector("canvas");',
' if (!canvas) {',
' canvas = document.createElement("canvas");',
' (document.body || document.documentElement).appendChild(canvas);',
' }',
' canvas.width = window.innerWidth;',
' canvas.height = window.innerHeight;',
' var sketchProc = ' + Processing.compile(source).sourceCode + ';',
' var p = new Processing(canvas, sketchProc);',
'})();'
].join('\n');
return source;
});
},
jade: function (ready) {
return new Processor(jsbin.static + '/js/vendor/jade.js', function () {
// init and expose jade
window.jade = require('jade');
ready();
}, function (source) {
return jade.compile(source, { pretty: true })();
});
},
less: function (ready) {
return new Processor(jsbin.static + '/js/vendor/less-1.3.0.min.js', function () {
$.getScript(jsbin.static + '/js/vendor/codemirror2/less.js', ready);
}, function (source) {
var css = '';
less.Parser().parse(source, function (err, result) {
if (err) {
console && console.error(err);
return source;
}
css = $.trim(result.toCSS());
});
return css;
});
},
stylus: function (ready) {
return new Processor(jsbin.static + '/js/vendor/stylus.js', ready, function (source) {
var css = '';
stylus(source).render(function (err, result) {
if (err) {
console && console.error(err);
return;
}
css = $.trim(result);
});
return css;
});
},
traceur: function (ready) {
var SourceMapConsumer,
SourceMapGenerator,
ProjectWriter,
ErrorReporter,
hasError;
return new Processor(jsbin.static + '/js/vendor/traceur.js', function () {
// Only create these once, when the processor is loaded
$('#library').val( $('#library').find(':contains("Traceur")').val() ).trigger('change');
SourceMapConsumer = traceur.outputgeneration.SourceMapConsumer;
SourceMapGenerator = traceur.outputgeneration.SourceMapGenerator;
ProjectWriter = traceur.outputgeneration.ProjectWriter;
ErrorReporter = traceur.util.ErrorReporter;
ready();
}, function (source) {
hasError = false;
var reporter = new ErrorReporter();
reporter.reportMessageInternal = function(location, kind, format, args) {
window.console.error(ErrorReporter.format(location, format, args));
};
var url = location.href;
var project = new traceur.semantics.symbols.Project(url);
var name = 'jsbin';
var sourceFile = new traceur.syntax.SourceFile(name, source);
project.addFile(sourceFile);
var res = traceur.codegeneration.Compiler.compile(reporter, project, false);
var msg = '/*\nIf you\'ve just translated to JS, make sure traceur is in the HTML panel.\nThis is terrible, sorry, but the only way we could get around race conditions. Eat me.\nHugs & kisses,\nDave xox\n*/\ntry{window.traceur = top.traceur;}catch(e){}\n';
return msg + ProjectWriter.write(res);
});
}
};
var render = function() {
if (jsbin.panels.ready) {
editors.console.render();
}
};
var $processorSelectors = $('div.processorSelector').each(function () {
var panelId = this.getAttribute('data-type'),
$el = $(this),
$label = $el.closest('.label').find('strong a'),
originalLabel = $label.text();
$el.find('a').click(function (e) {
var panel = jsbin.panels.panels[panelId];
e.preventDefault();
var target = this.hash.substring(1),
label = $(this).text(),
code;
if (target !== 'convert') {
$label.text(label);
if (target === panelId) {
jsbin.processors.reset(panelId);
render();
} else {
jsbin.processors.set(panelId, target, render);
}
} else {
$label.text(originalLabel);
panel.setCode(panel.render());
jsbin.processors.reset(panelId);
}
}).bind('select', function (event, value) {
if (value === this.hash.substring(1)) {
$label.text($(this).text());
}
});
});
processors.set = function (panelId, preprocessor, callback) {
var panel = jsbin.panels.panels[panelId];
// this is kinda nasty, but it allows me to set panel processors during boot up
if (panelId instanceof Panel) {
panel = panelId;
panelId = panel.id;
}
if (!jsbin.state.processors) {
jsbin.state.processors = {};
}
var cmMode = preprocessor ? editorModes[preprocessor] || editorModes[panelId] : editorModes[panelId];
if (panel) {
panel.trigger('processor', preprocessor || 'none');
if (preprocessor && processors[preprocessor]) {
jsbin.state.processors[panelId] = preprocessor;
panel.processor = processors[preprocessor](function () {
// processor is ready
panel.editor.setOption('mode', cmMode);
$processorSelectors.find('a').trigger('select', [preprocessor]);
if (callback) callback();
});
} else {
// remove the preprocessor
panel.editor.setOption('mode', cmMode);
panel.processor = function (source) {
return source;
};
delete jsbin.state.processors[panelId];
delete panel.type;
}
}
};
processors.reset = function (panelId) {
processors.set(panelId);
};