corrade-nucleus-nucleons – Blame information for rev 20
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Rev | Author | Line No. | Line |
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20 | office | 1 | var os = require('os'); |
2 | var path = require('path'); |
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3 | var fs = require('fs'); |
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4 | var util = require('util'); |
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5 | var Promise = require('bluebird'); |
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6 | var whenReadFile = Promise.promisify(fs.readFile); |
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7 | |||
8 | var minimatch = require('./lib/fnmatch'); |
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9 | var iniparser = require('./lib/ini'); |
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10 | var Version = require('./lib/version'); |
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11 | var pkg = require('./package.json'); |
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12 | |||
13 | var knownProps = [ |
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14 | 'end_of_line', |
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15 | 'indent_style', |
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16 | 'indent_size', |
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17 | 'insert_final_newline', |
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18 | 'trim_trailing_whitespace', |
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19 | 'charset' |
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20 | ].reduce(function (set, prop) { |
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21 | set[prop] = true; |
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22 | return set; |
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23 | }, {}); |
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24 | |||
25 | function fnmatch(filepath, glob) { |
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26 | var matchOptions = {matchBase: true, dot: true, noext: true}; |
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27 | glob = glob.replace(/\*\*/g, '{*,**/**/**}'); |
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28 | return minimatch(filepath, glob, matchOptions); |
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29 | } |
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30 | |||
31 | function getConfigFileNames(filepath, options) { |
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32 | var paths = []; |
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33 | do { |
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34 | filepath = path.dirname(filepath); |
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35 | paths.push(path.join(filepath, options.config)); |
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36 | } while (filepath !== options.root); |
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37 | return paths; |
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38 | } |
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39 | |||
40 | function getFilepathRoot(filepath) { |
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41 | if (path.parse !== undefined) { |
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42 | // Node.js >= 0.11.15 |
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43 | return path.parse(filepath).root; |
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44 | } |
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45 | if (os.platform() === 'win32') { |
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46 | return path.resolve(filepath).match(/^(\\\\[^\\]+\\)?[^\\]+\\/)[0]; |
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47 | } |
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48 | return '/'; |
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49 | } |
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50 | |||
51 | function processMatches(matches, version) { |
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52 | // Set indent_size to "tab" if indent_size is unspecified and |
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53 | // indent_style is set to "tab". |
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54 | if ("indent_style" in matches && matches.indent_style === "tab" && |
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55 | !("indent_size" in matches) && version.gte(new Version(0, 10))) { |
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56 | matches.indent_size = "tab"; |
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57 | } |
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58 | |||
59 | // Set tab_width to indent_size if indent_size is specified and |
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60 | // tab_width is unspecified |
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61 | if ("indent_size" in matches && !("tab_width" in matches) && |
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62 | matches.indent_size !== "tab") |
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63 | matches.tab_width = matches.indent_size; |
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64 | |||
65 | // Set indent_size to tab_width if indent_size is "tab" |
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66 | if("indent_size" in matches && "tab_width" in matches && |
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67 | matches.indent_size === "tab") |
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68 | matches.indent_size = matches.tab_width; |
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69 | |||
70 | return matches; |
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71 | } |
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72 | |||
73 | function processOptions(options, filepath) { |
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74 | options = options || {}; |
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75 | return { |
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76 | config: options.config || '.editorconfig', |
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77 | version: new Version(options.version || pkg.version), |
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78 | root: path.resolve(options.root || getFilepathRoot(filepath)) |
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79 | }; |
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80 | } |
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81 | |||
82 | function buildFullGlob(pathPrefix, glob) { |
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83 | switch (glob.indexOf('/')) { |
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84 | case -1: glob = "**/" + glob; break; |
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85 | case 0: glob = glob.substring(1); break; |
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86 | } |
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87 | return path.join(pathPrefix, glob); |
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88 | } |
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89 | |||
90 | function extendProps(props, options) { |
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91 | for (var key in options) { |
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92 | var value = options[key]; |
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93 | key = key.toLowerCase(); |
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94 | if (knownProps[key]) { |
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95 | value = value.toLowerCase(); |
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96 | } |
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97 | try { |
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98 | value = JSON.parse(value); |
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99 | } catch(e) {} |
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100 | if (typeof value === 'undefined' || value === null) { |
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101 | // null and undefined are values specific to JSON (no special meaning |
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102 | // in editorconfig) & should just be returned as regular strings. |
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103 | value = String(value); |
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104 | } |
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105 | props[key] = value; |
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106 | } |
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107 | return props; |
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108 | } |
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109 | |||
110 | function parseFromFiles(filepath, files, options) { |
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111 | return getConfigsForFiles(files).then(function (configs) { |
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112 | return configs.reverse(); |
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113 | }).reduce(function (matches, file) { |
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114 | var pathPrefix = path.dirname(file.name); |
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115 | file.contents.forEach(function (section) { |
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116 | var glob = section[0], options = section[1]; |
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117 | if (!glob) return; |
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118 | var fullGlob = buildFullGlob(pathPrefix, glob); |
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119 | if (!fnmatch(filepath, fullGlob)) return; |
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120 | matches = extendProps(matches, options); |
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121 | }); |
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122 | return matches; |
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123 | }, {}).then(function (matches) { |
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124 | return processMatches(matches, options.version); |
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125 | }); |
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126 | } |
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127 | |||
128 | function parseFromFilesSync(filepath, files, options) { |
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129 | var configs = getConfigsForFilesSync(files); |
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130 | configs.reverse(); |
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131 | var matches = {}; |
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132 | configs.forEach(function(config) { |
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133 | var pathPrefix = path.dirname(config.name); |
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134 | config.contents.forEach(function(section) { |
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135 | var glob = section[0], options = section[1]; |
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136 | if (!glob) return; |
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137 | var fullGlob = buildFullGlob(pathPrefix, glob); |
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138 | if (!fnmatch(filepath, fullGlob)) return; |
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139 | matches = extendProps(matches, options); |
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140 | }); |
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141 | }); |
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142 | return processMatches(matches, options.version); |
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143 | } |
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144 | |||
145 | function StopReduce(array) { |
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146 | this.array = array; |
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147 | } |
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148 | |||
149 | StopReduce.prototype = Object.create(Error.prototype); |
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150 | |||
151 | function getConfigsForFiles(files) { |
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152 | return Promise.reduce(files, function (configs, file) { |
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153 | var contents = iniparser.parseString(file.contents); |
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154 | configs.push({ |
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155 | name: file.name, |
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156 | contents: contents |
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157 | }); |
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158 | if ((contents[0][1].root || '').toLowerCase() === 'true') { |
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159 | return Promise.reject(new StopReduce(configs)); |
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160 | } |
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161 | return configs; |
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162 | }, []).catch(StopReduce, function (stop) { |
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163 | return stop.array; |
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164 | }); |
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165 | } |
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166 | |||
167 | function getConfigsForFilesSync(files) { |
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168 | var configs = []; |
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169 | for (var i in files) { |
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170 | var file = files[i]; |
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171 | var contents = iniparser.parseString(file.contents); |
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172 | configs.push({ |
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173 | name: file.name, |
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174 | contents: contents |
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175 | }); |
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176 | if ((contents[0][1].root || '').toLowerCase() === 'true') { |
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177 | break; |
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178 | } |
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179 | }; |
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180 | return configs; |
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181 | } |
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182 | |||
183 | function readConfigFiles(filepaths) { |
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184 | return Promise.map(filepaths, function (path) { |
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185 | return whenReadFile(path, 'utf-8').catch(function () { |
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186 | return ''; |
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187 | }).then(function (contents) { |
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188 | return {name: path, contents: contents}; |
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189 | }); |
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190 | }); |
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191 | } |
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192 | |||
193 | function readConfigFilesSync(filepaths) { |
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194 | var files = []; |
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195 | var file; |
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196 | filepaths.forEach(function(filepath) { |
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197 | try { |
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198 | file = fs.readFileSync(filepath, 'utf8'); |
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199 | } catch (e) { |
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200 | file = ''; |
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201 | } |
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202 | files.push({name: filepath, contents: file}); |
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203 | }); |
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204 | return files; |
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205 | } |
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206 | |||
207 | module.exports.parseFromFiles = function (filepath, files, options) { |
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208 | return new Promise (function (resolve, reject) { |
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209 | filepath = path.resolve(filepath); |
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210 | options = processOptions(options, filepath); |
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211 | resolve(parseFromFiles(filepath, files, options)); |
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212 | }); |
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213 | }; |
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214 | |||
215 | module.exports.parseFromFilesSync = function (filepath, files, options) { |
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216 | filepath = path.resolve(filepath); |
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217 | options = processOptions(options, filepath); |
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218 | return parseFromFilesSync(filepath, files, options); |
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219 | }; |
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220 | |||
221 | module.exports.parse = function (filepath, options) { |
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222 | return new Promise (function (resolve, reject) { |
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223 | filepath = path.resolve(filepath); |
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224 | options = processOptions(options, filepath); |
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225 | var filepaths = getConfigFileNames(filepath, options); |
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226 | var files = readConfigFiles(filepaths); |
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227 | resolve(parseFromFiles(filepath, files, options)); |
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228 | }); |
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229 | }; |
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230 | |||
231 | module.exports.parseSync = function (filepath, options) { |
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232 | filepath = path.resolve(filepath); |
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233 | options = processOptions(options, filepath); |
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234 | var filepaths = getConfigFileNames(filepath, options); |
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235 | var files = readConfigFilesSync(filepaths); |
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236 | return parseFromFilesSync(filepath, files, options); |
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237 | }; |