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<!doctype html> <html lang="en"> <head> <title>Code coverage report for lib/dir-reader.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">lib/</a> dir-reader.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 11.49% Statements 17/148 </div> <div class='fl pad1y space-right2'> 0% Branches 0/79 </div> <div class='fl pad1y space-right2'> 0% Functions 0/19 </div> <div class='fl pad1y space-right2'> 12.41% Lines 17/137 </div> </div> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257</td><td class="line-coverage quiet">        1×   1× 1× 1× 1× 1×   1×   1×                                               1×                                   1×                     1×                                                                                                                                                                                                       1×                                                                   1×                   1×                       1×                     1×                                   1×        </td><td class="text"><pre class="prettyprint lang-js">// A thing that emits "entry" events with Reader objects // Pausing it causes it to stop emitting entry events, and also // pauses the current entry if there is one.   module.exports = DirReader   var fs = require('graceful-fs') var inherits = require('inherits') var path = require('path') var Reader = require('./reader.js') var assert = require('assert').ok   inherits(DirReader, Reader)   function DirReader (props) { var self = this if (!(self instanceof DirReader)) { throw new Error('DirReader must be called as constructor.') }   // should already be established as a Directory type if (props.type !== 'Directory' || !props.Directory) { throw new Error('Non-directory type ' + props.type) }   self.entries = null self._entries = [] self._index = -1 self._paused = false self._length = -1   if (props.sort) { this.sort = props.sort }   Reader.call(this, props) }   DirReader.prototype._getEntries = function () { var self = this   // race condition. might pause() before calling _getEntries, // and then resume, and try to get them a second time. if (self._gotEntries) return self._gotEntries = true   fs.readdir(self._path, function (er, entries) { if (er) return self.error(er)   self.entries = entries self._entries = entries.slice()   self.emit('entries', entries) if (self._paused) self.once('resume', processEntries) else processEntries()   function processEntries () { self._length = self.entries.length if (typeof self.sort === 'function') { self.entries = self.entries.sort(self.sort.bind(self)) } self._read() } }) }   // start walking the dir, and emit an "entry" event for each one. DirReader.prototype._read = function () { var self = this   if (!self.entries) return self._getEntries()   if (self._paused || self._currentEntry || self._aborted) { // console.error('DR paused=%j, current=%j, aborted=%j', self._paused, !!self._currentEntry, self._aborted) return }   self._index++ if (self._index >= self._entries.length) { if (!self._ended) { self._ended = true self.emit('end') self.emit('close') } return }   // save creating a proxy, by stat'ing the thing now. var nextEntry = self._entries[self._index] if (!nextEntry) return this._read()   // ok, handle this one, then. var p = path.resolve(self._path, nextEntry) assert(p !== self._path) assert(nextEntry)   // set this to prevent trying to _read() again in the stat time. self._currentEntry = p fs[ self.props.follow ? 'stat' : 'lstat' ](p, function (er, stat) { if (er) return self.error(er)   var who = self._proxy || self   stat.path = p stat.basename = path.basename(p) stat.dirname = path.dirname(p) var childProps = self.getChildProps.call(who, stat) childProps.path = p childProps.basename = path.basename(p) childProps.dirname = path.dirname(p)   var entry = Reader(childProps, stat)   // console.error("DR Entry", p, stat.size)   self._currentEntry = entry   // "entry" events are for direct entries in a specific dir. // "child" events are for any and all children at all levels. // This nomenclature is not completely final.   entry.on('pause', function (who) { if (!self._paused && !entry._disowned) { self.pause(who) } })   entry.on('resume', function (who) { if (self._paused && !entry._disowned) { self.resume(who) } })   entry.on('stat', function (props) { self.emit('_entryStat', entry, props) if (entry._aborted) return if (entry._paused) { entry.once('resume', function () { self.emit('entryStat', entry, props) }) } else self.emit('entryStat', entry, props) })   entry.on('ready', function EMITCHILD () { // console.error("DR emit child", entry._path) if (self._paused) { // console.error(" DR emit child - try again later") // pause the child, and emit the "entry" event once we drain. // console.error("DR pausing child entry") entry.pause(self) return self.once('resume', EMITCHILD) }   // skip over sockets. they can't be piped around properly, // so there's really no sense even acknowledging them. // if someone really wants to see them, they can listen to // the "socket" events. if (entry.type === 'Socket') { self.emit('socket', entry) } else { self.emitEntry(entry) } })   var ended = false entry.on('close', onend) entry.on('disown', onend) function onend () { if (ended) return ended = true self.emit('childEnd', entry) self.emit('entryEnd', entry) self._currentEntry = null if (!self._paused) { self._read() } }   // XXX Remove this. Works in node as of 0.6.2 or so. // Long filenames should not break stuff. entry.on('error', function (er) { if (entry._swallowErrors) { self.warn(er) entry.emit('end') entry.emit('close') } else { self.emit('error', er) } })   // proxy up some events. ;[ 'child', 'childEnd', 'warn' ].forEach(function (ev) { entry.on(ev, self.emit.bind(self, ev)) }) }) }   DirReader.prototype.disown = function (entry) { entry.emit('beforeDisown') entry._disowned = true entry.parent = entry.root = null if (entry === this._currentEntry) { this._currentEntry = null } entry.emit('disown') }   DirReader.prototype.getChildProps = function () { return { depth: this.depth + 1, root: this.root || this, parent: this, follow: this.follow, filter: this.filter, sort: this.props.sort, hardlinks: this.props.hardlinks } }   DirReader.prototype.pause = function (who) { var self = this if (self._paused) return who = who || self self._paused = true if (self._currentEntry && self._currentEntry.pause) { self._currentEntry.pause(who) } self.emit('pause', who) }   DirReader.prototype.resume = function (who) { var self = this if (!self._paused) return who = who || self   self._paused = false // console.error('DR Emit Resume', self._path) self.emit('resume', who) if (self._paused) { // console.error('DR Re-paused', self._path) return }   if (self._currentEntry) { if (self._currentEntry.resume) self._currentEntry.resume(who) } else self._read() }   DirReader.prototype.emitEntry = function (entry) { this.emit('entry', entry) this.emit('child', entry) }  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Apr 29 2016 17:58:18 GMT-0700 (PDT) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>