yapm
Version:
package manager for io.js (npm fork)
132 lines (114 loc) • 3.93 kB
JavaScript
var fstream = require("../fstream.js")
var path = require("path")
var r = fstream.Reader({ path: path.dirname(__dirname)
, filter: function () {
return !this.basename.match(/^\./) &&
!this.basename.match(/^node_modules$/) &&
!this.basename.match(/^deep-copy$/) &&
!this.basename.match(/^filter-copy$/)
}
})
// this writer will only write directories
var w = fstream.Writer({ path: path.resolve(__dirname, "filter-copy")
, type: "Directory"
, filter: function () {
return this.type === "Directory"
}
})
var indent = ""
var escape = {}
r.on("entry", appears)
r.on("ready", function () {
console.error("ready to begin!", r.path)
})
function appears (entry) {
console.error(indent + "a %s appears!", entry.type, entry.basename, typeof entry.basename)
if (foggy) {
console.error("FOGGY!")
var p = entry
do {
console.error(p.depth, p.path, p._paused)
} while (p = p.parent)
throw new Error("\033[mshould not have entries while foggy")
}
indent += "\t"
entry.on("data", missile(entry))
entry.on("end", runaway(entry))
entry.on("entry", appears)
}
var foggy
function missile (entry) {
if (entry.type === "Directory") {
var ended = false
entry.once("end", function () { ended = true })
return function (c) {
// throw in some pathological pause()/resume() behavior
// just for extra fun.
process.nextTick(function () {
if (!foggy && !ended) { // && Math.random() < 0.3) {
console.error(indent +"%s casts a spell", entry.basename)
console.error("\na slowing fog comes over the battlefield...\n\033[32m")
entry.pause()
entry.once("resume", liftFog)
foggy = setTimeout(liftFog, 1000)
function liftFog (who) {
if (!foggy) return
if (who) {
console.error("%s breaks the spell!", who && who.path)
} else {
console.error("the spell expires!")
}
console.error("\033[mthe fog lifts!\n")
clearTimeout(foggy)
foggy = null
if (entry._paused) entry.resume()
}
}
})
}
}
return function (c) {
var e = Math.random() < 0.5
console.error(indent + "%s %s for %d damage!",
entry.basename,
e ? "is struck" : "fires a chunk",
c.length)
}
}
function runaway (entry) { return function () {
var e = Math.random() < 0.5
console.error(indent + "%s %s",
entry.basename,
e ? "turns to flee" : "is vanquished!")
indent = indent.slice(0, -1)
}}
w.on("entry", attacks)
//w.on("ready", function () { attacks(w) })
function attacks (entry) {
console.error(indent + "%s %s!", entry.basename,
entry.type === "Directory" ? "calls for backup" : "attacks")
entry.on("entry", attacks)
}
ended = false
var i = 1
r.on("end", function () {
if (foggy) clearTimeout(foggy)
console.error("\033[mIT'S OVER!!")
console.error("A WINNAR IS YOU!")
console.log("ok " + (i ++) + " A WINNAR IS YOU")
ended = true
// now go through and verify that everything in there is a dir.
var p = path.resolve(__dirname, "filter-copy")
var checker = fstream.Reader({ path: p })
checker.checker = true
checker.on("child", function (e) {
var ok = e.type === "Directory"
console.log((ok ? "" : "not ") + "ok " + (i ++) +
" should be a dir: " +
e.path.substr(checker.path.length + 1))
})
})
process.on("exit", function () {
console.log((ended ? "" : "not ") + "ok " + (i ++) + " ended")
})
r.pipe(w)