1 | 'use strict';
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2 |
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3 | var path = require('path')
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4 | , fs = require('fs')
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5 | , util = require('util')
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6 | , logFile = path.join(__dirname, '../logs/debug.log');
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7 |
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8 | exports.shallowClone = function shallowClone(obj) {
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9 | var clone = {};
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10 | Object.keys(obj).forEach(function (k) {
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11 | clone[k] = obj[k];
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12 | });
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13 | return clone;
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14 | };
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15 |
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16 | exports.pad = function pad(s, len, padding) {
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17 | len = len || 0;
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18 | padding = padding || ' ';
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19 |
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20 | return len + 1 >= s.length
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21 | ? s + new Array(len + 1 - s.length).join(padding)
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22 | : s;
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23 | };
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24 |
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25 | exports.log = function log(obj, depth) {
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26 | var s = util.inspect(obj, false, depth || 5, true);
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27 | fs.appendFileSync(logFile, s);
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28 | };
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29 |
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30 | exports.inspect = function(obj, depth) {
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31 | return util.inspect(obj, false, depth || 5, true);
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32 | };
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33 |
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34 | exports.existsSync = fs.existsSync || path.existsSync;
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35 |
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36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 | exports.copyFile = function (srcFile, tgtFile, cb) {
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47 | var readStream = fs.createReadStream(srcFile)
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48 | , writeStream = fs.createWriteStream(tgtFile);
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49 |
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50 | writeStream
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51 | .on('close', cb)
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52 | .on('error', cb);
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53 |
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54 | readStream
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55 | .on('error', cb);
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56 |
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57 | readStream.pipe(writeStream);
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58 | };
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59 |
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60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 |
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67 |
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68 |
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69 |
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70 |
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71 | exports.copyFileSync = function(srcFile, tgtFile) {
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72 | var buflen = 64 * 1024
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73 | , buf = new Buffer(buflen)
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74 | , fdr = fs.openSync(srcFile, 'r')
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75 | , fdw = fs.openSync(tgtFile, 'w')
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76 | , bytesRead = 1
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77 | , pos = 0
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78 | ;
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79 |
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80 | while (bytesRead > 0) {
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81 | bytesRead = fs.readSync(fdr, buf, 0, buflen, pos);
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82 | fs.writeSync(fdw, buf, 0, bytesRead);
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83 | pos += bytesRead;
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84 | }
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85 |
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86 | fs.closeSync(fdr);
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87 | return fs.closeSync(fdw);
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88 | };
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