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Generate files after routes are updated
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Original file line number | Diff line number | Diff line change |
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var async = require('async'), | ||
fs = require('graceful-fs'), | ||
_ = require('lodash'), | ||
pathFn = require('path'), | ||
util = require('../../util'), | ||
file = util.file2, | ||
HexoError = require('../../error'); | ||
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module.exports = function(args, callback){ | ||
var watchOption = args.w || args.watch, | ||
start = Date.now(), | ||
cache = {}, | ||
isLoaded = false; | ||
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var counter = { | ||
create: 0, | ||
update: 0, | ||
skip: 0 | ||
}; | ||
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var log = hexo.log, | ||
config = hexo.config, | ||
route = hexo.route, | ||
publicDir = hexo.public_dir, | ||
sourceDir = hexo.source_dir; | ||
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var cleanPublic = function(callback){ | ||
fs.exists(publicDir, function(exist){ | ||
if (!exist) return callback(); | ||
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var exclude = _.map(Object.keys(route.routes), function(i){ | ||
return pathFn.normalize(i); | ||
}); | ||
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file.emptyDir(publicDir, {exclude: exclude}, function(err){ | ||
if (err) return callback(HexoError.wrap(err, 'Public folder clear failed')); | ||
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log.d('Public folder cleared.'); | ||
callback(); | ||
}); | ||
}); | ||
}; | ||
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var emit = function(type, path){ | ||
counter[type]++; | ||
log.log(type, 'Public: %s', path); | ||
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if (isLoaded && Object.keys(route.routes).length === counter.create + counter.update + counter.skip){ | ||
var elapsed = (Date.now() - start) / 1000; | ||
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/** | ||
* Fired after generation done. | ||
* | ||
* @event generateAfter | ||
* @for Hexo | ||
*/ | ||
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hexo.emit('generateAfter'); | ||
log.i('%d files generated in %ss', counter.create, elapsed.toFixed(3)); | ||
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if (watchOption){ | ||
log.i('Start watching. Press Ctrl+C to stop.'); | ||
} else { | ||
if (args.d || args.deploy){ | ||
hexo.call('deploy', callback); | ||
} else { | ||
callback(); | ||
} | ||
} | ||
} | ||
}; | ||
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var itemCallback = function(err){ | ||
if (err){ | ||
throw HexoError.wrap(err, 'File generate failed: ' + this.path); | ||
} | ||
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emit(this.type, this.path); | ||
}; | ||
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route.on('update', function(path, item){ | ||
if (!item.modified){ | ||
emit('skip', path); | ||
return; | ||
} | ||
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item(function(err, result){ | ||
if (err) throw HexoError.wrap(err, 'File render failed: ' + path); | ||
if (typeof result === 'undefined') return; | ||
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var dest = pathFn.join(publicDir, path); | ||
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if (result.readable){ | ||
file.copyFile(result.path, dest, itemCallback.bind({ | ||
path: path, | ||
type: 'create' | ||
})); | ||
} else { | ||
if (cache[path] === result){ | ||
emit('skip', path); | ||
} else { | ||
file.writeFile(dest, result, itemCallback.bind({ | ||
path: path, | ||
type: cache[path] ? 'update' : 'create' | ||
})); | ||
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cache[path] = result; | ||
} | ||
} | ||
}); | ||
}).on('remove', function(path){ | ||
fs.unlink(pathFn.join(publicDir, path), function(){ | ||
log.log('delete', 'Public: %s', path); | ||
cleanPublic(); | ||
}); | ||
}); | ||
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/** | ||
* Fired before generation started. | ||
* | ||
* @event generateBefore | ||
* @for Hexo | ||
*/ | ||
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hexo.emit('generateBefore'); | ||
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hexo.post.load({watch: watchOption}, function(err){ | ||
if (err) return callback(err); | ||
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var elapsed = (Date.now() - start) / 1000; | ||
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isLoaded = true; | ||
start = Date.now(); | ||
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log.i('Files loaded in %ss', elapsed.toFixed(3)); | ||
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cleanPublic(function(err){ | ||
if (err) return callback(err); | ||
}); | ||
}); | ||
}; |
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