[PROCESS] () {
if (this[PROCESSING])
return
this[PROCESSING] = true
for (let w = this[QUEUE].head;
w !== null && this[JOBS] < this.jobs;
w = w.next) {
this[PROCESSJOB](w.value)
if (w.value.ignore) {
const p = w.next
this[QUEUE].removeNode(w)
w.next = p
}
}
this[PROCESSING] = false
if (this[ENDED] && !this[QUEUE].length && this[JOBS] === 0) {
if (this.zip)
this.zip.end(EOF)
else {
super.write(EOF)
super.end()
}
}
}
constructor (opt) {
super(opt)
opt = opt || Object.create(null)
this.opt = opt
this.cwd = opt.cwd || process.cwd()
this.maxReadSize = opt.maxReadSize
this.preservePaths = !!opt.preservePaths
this.strict = !!opt.strict
this.noPax = !!opt.noPax
this.prefix = (opt.prefix || '').replace(/(\\|\/)+$/, '')
this.linkCache = opt.linkCache || new Map()
this.statCache = opt.statCache || new Map()
this.readdirCache = opt.readdirCache || new Map()
this[WRITEENTRYCLASS] = WriteEntry
if (typeof opt.onwarn === 'function')
this.on('warn', opt.onwarn)
this.zip = null
if (opt.gzip) {
if (typeof opt.gzip !== 'object')
opt.gzip = {}
this.zip = new zlib.Gzip(opt.gzip)
this.zip.on('data', chunk => super.write(chunk))
this.zip.on('end', _ => super.end())
this.zip.on('drain', _ => this[ONDRAIN]())
this.on('resume', _ => this.zip.resume())
} else
this.on('drain', this[ONDRAIN])
this.portable = !!opt.portable
this.noDirRecurse = !!opt.noDirRecurse
this.follow = !!opt.follow
this.noMtime = !!opt.noMtime
this.mtime = opt.mtime || null
this.filter = typeof opt.filter === 'function' ? opt.filter : _ => true
this[QUEUE] = new Yallist
this[JOBS] = 0
this.jobs = +opt.jobs || 4
this[PROCESSING] = false
this[ENDED] = false
}
this.on('resume', _ => this.zip.resume())
pause () {
if (this.zip)
this.zip.pause()
return super.pause()
}
source.on('data', chunk => {
if (!zip.write(chunk))
source.pause()
})