scratch – Blame information for rev 75
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Rev | Author | Line No. | Line |
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75 | office | 1 | |
2 | /** |
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3 | * yaml2json cli program |
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4 | */ |
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5 | |||
6 | var YAML = require('../lib/Yaml.js'); |
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7 | |||
8 | var ArgumentParser = require('argparse').ArgumentParser; |
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9 | var cli = new ArgumentParser({ |
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10 | prog: "json2yaml", |
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11 | version: require('../package.json').version, |
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12 | addHelp: true |
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13 | }); |
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14 | |||
15 | cli.addArgument( |
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16 | ['-d', '--depth'], |
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17 | { |
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18 | action: 'store', |
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19 | type: 'int', |
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20 | help: 'Set minimum level of depth before generating inline YAML (default: 2).' |
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21 | } |
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22 | ); |
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23 | |||
24 | cli.addArgument( |
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25 | ['-i', '--indentation'], |
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26 | { |
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27 | action: 'store', |
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28 | type: 'int', |
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29 | help: 'Number of space characters used to indent code (default: 2).', |
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30 | } |
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31 | ); |
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32 | |||
33 | cli.addArgument( |
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34 | ['-s', '--save'], |
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35 | { |
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36 | help: 'Save output inside YML file(s) with the same name.', |
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37 | action: 'storeTrue' |
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38 | } |
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39 | ); |
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40 | |||
41 | cli.addArgument( |
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42 | ['-r', '--recursive'], |
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43 | { |
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44 | help: 'If the input is a directory, also find JSON files in sub-directories recursively.', |
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45 | action: 'storeTrue' |
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46 | } |
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47 | ); |
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48 | |||
49 | cli.addArgument( |
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50 | ['-w', '--watch'], |
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51 | { |
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52 | help: 'Watch for changes.', |
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53 | action: 'storeTrue' |
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54 | } |
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55 | ); |
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56 | |||
57 | cli.addArgument(['input'], { |
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58 | help: 'JSON file or directory containing JSON files or - to read JSON from stdin.' |
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59 | }); |
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60 | |||
61 | try { |
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62 | var options = cli.parseArgs(); |
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63 | var path = require('path'); |
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64 | var fs = require('fs'); |
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65 | var glob = require('glob'); |
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66 | |||
67 | var rootPath = process.cwd(); |
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68 | var parsePath = function(input) { |
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69 | if (input == '-') return '-'; |
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70 | var output; |
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71 | if (!(input != null)) { |
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72 | return rootPath; |
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73 | } |
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74 | output = path.normalize(input); |
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75 | if (output.length === 0) { |
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76 | return rootPath; |
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77 | } |
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78 | if (output.charAt(0) !== '/') { |
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79 | output = path.normalize(rootPath + '/./' + output); |
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80 | } |
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81 | if (output.length > 1 && output.charAt(output.length - 1) === '/') { |
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82 | return output.substr(0, output.length - 1); |
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83 | } |
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84 | return output; |
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85 | }; |
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86 | |||
87 | // Find files |
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88 | var findFiles = function(input) { |
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89 | if (input != '-' && input != null) { |
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90 | var isDirectory = fs.statSync(input).isDirectory(); |
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91 | var files = []; |
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92 | |||
93 | if (!isDirectory) { |
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94 | files.push(input); |
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95 | } |
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96 | else { |
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97 | if (options.recursive) { |
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98 | files = files.concat(glob.sync(input+'/**/*.json')); |
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99 | } |
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100 | else { |
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101 | files = files.concat(glob.sync(input+'/*.json')); |
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102 | } |
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103 | } |
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104 | |||
105 | return files; |
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106 | } |
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107 | return null; |
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108 | }; |
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109 | |||
110 | // Convert to JSON |
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111 | var convertToYAML = function(input, inline, save, spaces, str) { |
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112 | var yaml; |
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113 | if (inline == null) inline = 2; |
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114 | if (spaces == null) spaces = 2; |
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115 | |||
116 | if (str == null) { |
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117 | str = ''+fs.readFileSync(input); |
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118 | } |
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119 | yaml = YAML.dump(JSON.parse(str), inline, spaces); |
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120 | |||
121 | if (!save || input == null) { |
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122 | // Ouput result |
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123 | process.stdout.write(yaml); |
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124 | } |
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125 | else { |
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126 | var output; |
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127 | if (input.substring(input.length-5) == '.json') { |
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128 | output = input.substr(0, input.length-5) + '.yaml'; |
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129 | } |
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130 | else { |
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131 | output = input + '.yaml'; |
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132 | } |
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133 | |||
134 | // Write file |
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135 | var file = fs.openSync(output, 'w+'); |
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136 | fs.writeSync(file, yaml); |
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137 | fs.closeSync(file); |
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138 | process.stdout.write("saved "+output+"\n"); |
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139 | } |
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140 | }; |
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141 | |||
142 | var input = parsePath(options.input); |
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143 | var mtimes = []; |
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144 | |||
145 | var runCommand = function() { |
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146 | try { |
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147 | var files = findFiles(input); |
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148 | if (files != null) { |
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149 | var len = files.length; |
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150 | for (var i = 0; i < len; i++) { |
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151 | var file = files[i]; |
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152 | var stat = fs.statSync(file); |
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153 | var time = stat.mtime.getTime(); |
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154 | if (!stat.isDirectory()) { |
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155 | if (!mtimes[file] || mtimes[file] < time) { |
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156 | mtimes[file] = time; |
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157 | convertToYAML(file, options.depth, options.save, options.indentation); |
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158 | } |
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159 | } |
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160 | } |
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161 | } else { |
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162 | // Read from STDIN |
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163 | var stdin = process.openStdin(); |
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164 | var data = ""; |
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165 | stdin.on('data', function(chunk) { |
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166 | data += chunk; |
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167 | }); |
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168 | stdin.on('end', function() { |
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169 | convertToYAML(null, options.depth, options.save, options.indentation, data); |
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170 | }); |
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171 | } |
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172 | } catch (e) { |
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173 | process.stderr.write((e.message ? e.message : e)+"\n"); |
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174 | } |
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175 | }; |
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176 | |||
177 | if (!options.watch) { |
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178 | runCommand(); |
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179 | } else { |
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180 | runCommand(); |
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181 | setInterval(runCommand, 1000); |
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182 | } |
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183 | } catch (e) { |
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184 | process.stderr.write((e.message ? e.message : e)+"\n"); |
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185 | } |