1 | var unpack = require('browser-unpack')
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2 | var builtins = require('builtins')
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3 | var through = require('through')
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4 | var flatten = require('flatten')
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5 | var duplex = require('duplexer')
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6 | var pluck = require('plucker')
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7 | var uniq = require('uniq')
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8 |
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9 | var commondir = require('commondir')
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10 | var fileTree = require('file-tree')
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11 | var path = require('path')
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12 | var fs = require('fs')
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13 | var bl = require('bl')
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14 |
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15 | var versions = require('./lib/versions')
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16 |
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17 | module.exports = createStream
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18 | createStream.json = json
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19 | createStream.bundle = bundle
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20 |
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21 | function createStream(opts) {
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22 | opts = opts || {}
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23 |
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24 | var buffer = bl(function(err, content) {
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25 | if (err) return stream.emit('error', err)
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26 |
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27 | bundle(content, opts, function(err, html) {
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28 | if (err) return stream.emit('error', err)
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29 |
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30 | output.queue(html)
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31 | output.queue(null)
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32 | })
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33 | })
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34 |
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35 | var output = through()
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36 | var stream = duplex(buffer, output)
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37 |
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38 | return stream
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39 | }
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40 |
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41 | function json(bundles, callback) {
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42 | var modules = flatten(bundles
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43 | .map(String)
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44 | .map(unpack)
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45 | ).map(function(module) {
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46 | if (typeof module === 'undefined') return callback(new Error(
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47 | 'Unable to compile one of the supplied bundles!'
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48 | ))
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49 |
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50 | if (typeof module.id !== 'number') return module
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51 |
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52 | return callback(new Error(
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53 | 'Please recompile this browserify bundle using the --full-paths flag ' +
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54 | '(when using the command-line interface) or with the fullPaths option ' +
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55 | 'set to true (when using the JavaScript API).'
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56 | ))
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57 | })
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58 |
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59 | modules = modules.filter(function(module) {
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60 | return module && !isEmpty(module)
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61 | })
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62 |
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63 | if (!modules.length) return
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64 |
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65 | var browserifyModules = modules.filter(fromBrowserify(true))
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66 | var otherModules = modules.filter(function(module) {
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67 | if (path.basename(module.id) === '_empty.js') return false
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68 | if (browserifyModules.indexOf(module) === -1) return true
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69 | })
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70 |
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71 | var root = commondir(otherModules.map(pluck('id')))
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72 |
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73 | browserifyModules.forEach(function(module) {
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74 | var regex = /^.+\/node_modules\/browserify\/(?:node_modules\/)(.+)$/g
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75 |
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76 | module.id = module.id.replace(regex, function(_, subpath) {
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77 | return path.resolve(root, 'browserify-core/' + subpath)
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78 | })
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79 |
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80 | return module
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81 | })
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82 |
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83 | uniq(modules, function(a, b) {
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84 | return a.id === b.id ? 0 : 1
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85 | }, true)
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86 |
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87 | var ids = modules.map(pluck('id'))
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88 | var main = path.basename(root)
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89 |
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90 | var byid = modules.reduce(function(memo, mod) {
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91 | memo[mod.id] = mod
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92 | return memo
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93 | }, {})
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94 |
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95 | fileTree(ids, function(id, next) {
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96 | var row = byid[id]
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97 |
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98 | next(null, {
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99 | size: row.source.length
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100 | , deps: Object.keys(row.deps).length
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101 | , path: id
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102 | })
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103 | }, function(err, tree) {
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104 | if (err) return callback(err)
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105 |
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106 | tree = { name: main, children: tree }
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107 | dirsizes(tree)
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108 | versions(tree)
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109 | callback(null, tree)
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110 | })
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111 | }
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112 |
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113 | function bundle(bundles, opts, callback) {
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114 | bundles = Array.isArray(bundles)
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115 | ? bundles
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116 | : bundles ? [bundles] : []
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117 |
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118 | if (typeof opts === 'function') {
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119 | callback = opts
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120 | opts = {}
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121 | }
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122 |
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123 | opts = opts || {}
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124 | callback = callback || noop
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125 |
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126 | var header = opts.header || opts.button || ''
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127 | var footer = opts.footer || ''
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128 |
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129 | return json(bundles, function(err, data) {
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130 | if (err) return callback(err)
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131 |
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132 | data.mode = opts.mode || 'size'
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133 | data = '<script type="text/javascript">'
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134 | + ';window.disc = ('
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135 | + JSON.stringify(data)
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136 | + ');</script>'
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137 |
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138 | var script = '<script type="text/javascript">'
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139 | + bundled().replace(/\/script/gi, '\\/script')
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140 | + '</script>'
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141 |
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142 | callback(null, template()({
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143 | scripts: script
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144 | , styles: styles()
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145 | , markdown: footer
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146 | , header: header
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147 | , data: data
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148 | }))
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149 | })
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150 | }
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151 |
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152 | function template() {
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153 | if (template.text) return template.text
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154 | return template.text = require('./lib/lazy-template')(
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155 | fs.readFileSync(__dirname + '/src/base.html', 'utf8')
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156 | )
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157 | }
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158 |
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159 | function styles() {
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160 | if (styles.text) return styles.text
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161 | return styles.text = fs.readFileSync(__dirname + '/build/style.css', 'utf8')
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162 | }
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163 |
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164 | function bundled() {
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165 | if (bundled.text) return bundled.text
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166 | return bundled.text = fs.readFileSync(__dirname + '/build/bundle.js', 'utf8')
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167 | }
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168 |
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169 | function dirsizes(child) {
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170 | return child.size = "size" in child ? child.size : child.children.reduce(function(size, child) {
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171 | return size + ("size" in child ? child.size : dirsizes(child))
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172 | }, 0)
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173 | }
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174 |
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175 | function noop(){}
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176 |
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177 | function fromBrowserify(yes) {
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178 | var existsCache = {}
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179 | var no = !yes
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180 |
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181 | return function(module) {
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182 | var search = '/node_modules/browserify'
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183 | var idx = module.id.indexOf(search)
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184 | var from = idx !== -1
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185 |
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186 | if (!from) return no
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187 |
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188 |
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189 |
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190 | if (
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191 | module.id.indexOf('insert-module-globals') !== -1 &&
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192 | module.id.split(path.sep).slice(-2).join('/') === 'process/browser.js'
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193 | ) return yes
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194 |
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195 |
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196 |
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197 |
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198 | var builtinFile = (
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199 | module.id.slice(0, idx + search.length) +
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200 | '/lib/builtins.js'
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201 | )
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202 |
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203 | if (!(builtinFile in existsCache)) {
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204 | existsCache[builtinFile] = values(
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205 | fs.existsSync(builtinFile) &&
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206 | require(builtinFile) || {}
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207 | )
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208 | }
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209 |
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210 | var localBuiltins = existsCache[builtinFile]
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211 | var bidx = localBuiltins.indexOf(module.id)
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212 |
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213 | if (bidx !== -1) return yes
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214 |
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215 |
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216 |
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217 |
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218 | var split = module.id.split(path.sep)
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219 | var j = split.length - 1
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220 |
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221 | while (split[--j] !== 'node_modules');;
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222 |
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223 | var dir = split.slice(j + 1)[0].replace(/\-(?:browser(?:ify)?|es3)$/g, '')
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224 | if (dir === 'Base64') return yes
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225 | if (dir === 'base64-js') return yes
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226 | if (dir === 'inherits') return yes
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227 | if (dir === 'process') return yes
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228 | if (dir === 'ieee754') return yes
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229 | if (builtins.indexOf(dir) !== -1) return yes
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230 |
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231 | return no
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232 | }
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233 | }
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234 |
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235 | function values(object) {
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236 | return Object.keys(object).map(function(key) {
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237 | return object[key]
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238 | })
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239 | }
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240 |
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241 | function isEmpty(module) {
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242 | return (
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243 | path.basename(module.id) === '_empty.js' &&
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244 | (!fs.existsSync(module.id) || !fs.statSync(module.id).size)
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245 | )
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246 | }
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