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5 | var path = require('path');
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6 | var fs = require('fs');
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7 | var utils = require('./utils');
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8 | var dirname = path.dirname;
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9 | var basename = path.basename;
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10 | var extname = path.extname;
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11 | var exists = fs.existsSync || path.existsSync;
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12 | var join = path.join;
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18 | module.exports = View;
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34 | function View(name, options) {
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35 | options = options || {};
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36 | this.name = name;
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37 | this.root = options.root;
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38 | var engines = options.engines;
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39 | this.defaultEngine = options.defaultEngine;
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40 | var ext = this.ext = extname(name);
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41 | if (!ext && !this.defaultEngine) throw new Error('No default engine was specified and no extension was provided.');
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42 | if (!ext) name += (ext = this.ext = ('.' != this.defaultEngine[0] ? '.' : '') + this.defaultEngine);
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43 | this.engine = engines[ext] || (engines[ext] = require(ext.slice(1)).__express);
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44 | this.path = this.lookup(name);
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45 | }
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55 | View.prototype.lookup = function(path){
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56 | var ext = this.ext;
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59 | if (!utils.isAbsolute(path)) path = join(this.root, path);
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60 | if (exists(path)) return path;
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61 |
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62 |
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63 | path = join(dirname(path), basename(path, ext), 'index' + ext);
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64 | if (exists(path)) return path;
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65 | };
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75 | View.prototype.render = function(options, fn){
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76 | this.engine(this.path, options, fn);
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77 | };
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