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| /*
Copyright (c) 2012, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://yuilibrary.com/license/
*/
var log = require('./log'),
fs = require('fs'),
vm = require('vm'),
path = require('path'),
pack = require('./pack'),
args = require('./args'),
util = require('./util'),
find = util.find,
CWD = process.cwd(),
queue = [],
buildRunning = false,
exists = util.exists,
contextForRunInContext = vm.createContext({
require: require,
module: require('module'),
console: {
log: function () {}
},
window: {},
document: {}
});
exports.cwd = function() {
return CWD;
};
var runQueue = function() {
Eif (!buildRunning) {
var item = queue.pop();
if (item) {
buildRunning = true;
exports.init(item.opts, function() {
buildRunning = false;
item.callback();
runQueue();
});
}
}
};
exports.add = function(opts, callback) {
queue.push({
opts: opts,
callback: callback
});
runQueue();
};
exports.init = function (opts, initCallback) {
var options = args.defaults(opts),
watch,
buildFile = options.config,
buildFileName;
log.reset(options);
Eif (options.cwd) {
CWD = options.cwd;
}
Eif (!buildFile) {
buildFile = options['yui-module'] ? options['yui-module'] : path.join(CWD, 'build.json');
}
globalBuildDir = false;
buildRunning = true;
buildFileName = path.basename(buildFile);
options.buildFile = buildFile;
options.buildFileName = buildFileName;
Eif (!options.recursive) {
// The build-dir should not be relative to cwd if running recursively.
options['build-dir'] = path.resolve(exports.cwd(), options['build-dir']);
}
Iif (options.version || options.help) {
require('./help');
return;
}
if (options['global-config']) {
log.info('racing to find the closest .shifter.json file');
find(CWD, '.shifter.json', function(err, file) {
Eif (file) {
log.info('woohoo, found a config here: ' + file);
var json = JSON.parse(fs.readFileSync(file, 'utf8'));
Object.keys(json).forEach(function(key) {
Eif (!args.has(key)) {
log.info('override config found for ' + key);
options[key] = json[key];
// Special case to determine whether we should resolve
// the build directory relative to the global config.
if (key === 'build-dir') {
options['build-dir'] = path.resolve(path.dirname(file), json[key]);
}
}
});
}
});
}
Iif (options.watch) {
watch = require('./watch');
watch.start(options);
return;
}
if (options.quiet) {
log.quiet();
}
if (options.silent) {
log.silent();
}
log.info('revving up');
Eif (!options.walk) {
log.info('looking for ' + buildFileName + ' file');
}
exists(buildFile, function (yes) {
var json, walk, ant, mods, builder;
Eif (yes) {
Iif (options.ant) {
log.error('already has a ' + buildFileName + ' file, hitting the brakes');
}
log.info('found ' + buildFileName + ' file, shifting');
if (path.extname(buildFileName) === '.json') {
try {
json = require(buildFile);
} catch (e) {
console.log(e.stack);
log.error('hitting the brakes! failed to parse ' + buildFileName + ', syntax error?');
}
Eif (pack.valid(json)) {
log.info('putting the hammer down, let\'s build this thing!');
pack.munge(json, options, function (json, options) {
Iif (options.list) {
mods = Object.keys(json.builds).sort();
log.info('This module includes these builds:');
console.log(mods.join(', '));
if (json.rollups) {
log.info('and these rollups');
console.log(Object.keys(json.rollups).join(', '));
}
} else {
builder = require('./builder');
builder.reset();
builder.start(json, options, function() {
buildRunning = false;
Eif (initCallback) {
initCallback();
}
});
}
});
} else {
log.error('hitting the brakes, your ' + buildFileName + ' file is invalid, please fix it!');
}
} else Eif (path.extname(buildFileName) === '.js') {
// probably a row module
contextForRunInContext.YUI = {
add: function (name, fn, version, config) {
mods = mods || {};
mods[name] = {
yuifile: buildFile,
config: config || {}
};
}
};
try {
vm.runInContext(fs.readFileSync(buildFile, 'utf8'),
contextForRunInContext, buildFile);
} catch (e) {
log.error('hitting the brakes, your ' + buildFileName + ' file is invalid, please fix it!');
}
Eif (mods) {
// raw yui module without build.json
builder = require('./builder');
builder.reset();
builder.start({
builds: mods
}, options, function() {
buildRunning = false;
Eif (initCallback) {
initCallback();
}
});
}
} else {
log.error('hitting the brakes, your ' + buildFileName + ' file is invalid, please fix it!');
}
} else {
if (options.walk) {
walk = require('./walk');
walk.run(options, initCallback);
} else {
log.warn('no ' + buildFileName + ' file, downshifting to convert ant files');
ant = require('./ant');
ant.process(options, function () {
if (!options.ant) {
exports.init(options, initCallback);
}
});
}
}
});
};
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