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/*!
* node-sass: lib/render.js
*/
var chalk = require('chalk'),
fs = require('fs'),
mkdirp = require('mkdirp'),
path = require('path'),
sass = require('./');
/**
* Render
*
* @param {Object} options
* @param {Object} emitter
* @api public
*/
module.exports = function(options, emitter) {
var renderOptions = {
includePaths: options.includePath,
omitSourceMapUrl: options.omitSourceMapUrl,
indentedSyntax: options.indentedSyntax,
outFile: options.dest,
outputStyle: options.outputStyle,
precision: options.precision,
sourceComments: options.sourceComments,
sourceMapEmbed: options.sourceMapEmbed,
sourceMapContents: options.sourceMapContents,
sourceMap: options.sourceMap,
sourceMapRoot: options.sourceMapRoot,
importer: options.importer,
functions: options.functions,
indentWidth: options.indentWidth,
indentType: options.indentType,
linefeed: options.linefeed
};
if (options.data) {
renderOptions.data = options.data;
} else if (options.src) {
renderOptions.file = options.src;
}
var sourceMap = options.sourceMap;
var destination = options.dest;
var stdin = options.stdin;
var success = function(result) {
var todo = 1;
var done = function() {
if (--todo <= 0) {
emitter.emit('done');
}
};
if (!destination || stdin) {
emitter.emit('log', result.css.toString());
if (sourceMap && !options.sourceMapEmbed) {
emitter.emit('log', result.map.toString());
}
return done();
}
emitter.emit('info', chalk.green('Rendering Complete, saving .css file...'));
mkdirp(path.dirname(destination), function(err) {
if (err) {
return emitter.emit('error', chalk.red(err));
}
fs.writeFile(destination, result.css.toString(), function(err) {
if (err) {
return emitter.emit('error', chalk.red(err));
}
emitter.emit('info', chalk.green('Wrote CSS to ' + destination));
emitter.emit('write', err, destination, result.css.toString());
done();
});
});
if (sourceMap) {
todo++;
mkdirp(path.dirname(sourceMap), function(err) {
if (err) {
return emitter.emit('error', chalk.red(err));
}
fs.writeFile(sourceMap, result.map, function(err) {
if (err) {
return emitter.emit('error', chalk.red('Error' + err));
}
emitter.emit('info', chalk.green('Wrote Source Map to ' + sourceMap));
emitter.emit('write-source-map', err, sourceMap, result.map);
done();
});
});
}
emitter.emit('render', result.css.toString());
};
var error = function(error) {
emitter.emit('error', chalk.red(JSON.stringify(error, null, 2)));
};
var renderCallback = function(err, result) {
if (err) {
error(err);
}
else {
success(result);
}
};
sass.render(renderOptions, renderCallback);
};
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