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// show the installed versions of packages
//
// --parseable creates output like this:
// <fullpath>:<name@ver>:<realpath>:<flags>
// Flags are a :-separated list of zero or more indicators
module.exports = exports = ls
var npm = require("./npm.js")
, readInstalled = require("./utils/read-installed.js")
, output = require("./utils/output.js")
, log = require("./utils/log.js")
, relativize = require("./utils/relativize.js")
, path = require("path")
ls.usage = "npm ls"
function ls (args, silent, cb) {
if (typeof cb !== "function") cb = silent, silent = false
if (args.length) {
log.warn("ls doesn't take positional args. Try the 'search' command")
}
var dir = path.resolve(npm.dir, "..")
readInstalled(dir, function (er, data) {
if (er || silent) return cb(er, data)
var long = npm.config.get("long")
var out = makePretty(bfsify(data), long, dir).join("\n")
output.write(out, function (er) { cb(er, data) })
})
}
function bfsify (root, current, queue, seen) {
// walk over the data, and turn it from this:
// +-- a
// | `-- b
// | `-- a (truncated)
// `--b (truncated)
// into this:
// +-- a
// `-- b
// which looks nicer
current = current || root
queue = queue || []
seen = seen || []
var deps = current.dependencies = current.dependencies || {}
Object.keys(deps).forEach(function (d) {
var dep = deps[d]
if (typeof dep !== "object") return
if (seen.indexOf(dep) !== -1) {
if (npm.config.get("parseable") || !npm.config.get("long")) {
delete deps[d]
return
} else {
dep = deps[d] = Object.create(dep)
dep.dependencies = {}
}
}
queue.push(dep)
seen.push(dep)
})
if (!queue.length) return root
return bfsify(root, queue.shift(), queue, seen)
}
function makePretty (data, long, dir, prefix, list) {
var top = !list
list = list || []
prefix = prefix || ""
list.push(format(data, long, prefix, dir))
var deps = data.dependencies || {}
, childPref = prefix.split("├─").join("│ ")
.split("└─").join(" ")
, depList = Object.keys(deps)
, depLast = depList.length - 1
, maxDepth = npm.config.get("depth")
Object.keys(deps).sort(function (a, b) {
return a > b ? 1 : -1
}).forEach(function (d, i) {
var depData = deps[d]
if (typeof depData === "string") {
if (data.depth < maxDepth) {
var p = data.link || data.path
log.warn("Unmet dependency in "+p, d+" "+deps[d])
depData = npm.config.get("parseable")
? ( npm.config.get("long")
? path.resolve(data.path, "node_modules", d)
+ ":"+d+"@"+JSON.stringify(depData)+":INVALID:MISSING"
: "" )
: "─ \033[31;40mUNMET DEPENDENCY\033[0m "+d+" "+depData
} else {
if (npm.config.get("parseable")) {
depData = path.resolve(data.path, "node_modules", d)
+ (npm.config.get("long")
? ":" + d + "@" + JSON.stringify(depData)
+ ":" // no realpath resolved
+ ":MAXDEPTH"
: "")
} else {
depData = "─ "+d+"@'"+depData +"' (max depth reached)"
}
}
}
var c = i === depLast ? "└─" : "├─"
makePretty(depData, long, dir, childPref + c, list)
})
if (top && list.length === 1 && !data._id) {
if (!npm.config.get("parseable")) {
list.push("(empty)")
} else if (npm.config.get("long")) list[0] += ":EMPTY"
}
return list.filter(function (l) { return l && l.trim() })
}
function ugly (data) {
if (typeof data === "string") {
return data
}
if (!npm.config.get("long")) return data.path
return data.path
+ ":" + (data._id || "")
+ ":" + (data.realPath !== data.path ? data.realPath : "")
+ (data.extraneous ? ":EXTRANEOUS" : "")
+ (data.invalid ? ":INVALID" : "")
}
function format (data, long, prefix, dir) {
if (npm.config.get("parseable")) return ugly(data)
if (typeof data === "string") {
return prefix + data
}
// console.log([data.path, dir], "relativize")
var depLen = Object.keys(data.dependencies).length
, space = prefix.split("├─").join("│ ")
.split("└─").join(" ")
+ (depLen ? "" : " ")
, rel = relativize(data.path || "", dir)
, l = prefix
+ (rel === "." ? "" : depLen ? "┬ " : "─ ")
+ (data._id ? data._id + " " : "")
+ (data.link ? "-> " + data.link : "") + ""
+ (rel === "." && !(long && data._id) ? dir : "")
if (data.invalid) {
if (data.realName !== data.name) l += " ("+data.realName+")"
l += " \033[31;40minvalid\033[0m"
}
if (data.extraneous && rel !== ".") {
l += " \033[32;40mextraneous\033[0m"
}
if (!long || !data._id) return l
var extras = []
if (rel !== ".") extras.push(rel)
else extras.push(dir)
if (data.description) extras.push(data.description)
if (data.repository) extras.push(data.repository.url)
if (data.homepage) extras.push(data.homepage)
extras = extras.filter(function (e) { return e })
var lastExtra = !depLen && extras.length - 1
l += extras.map(function (e, i) {
var indent = !depLen ? " " : "│ "
return "\n" + space + indent + e
}).join("")
return l
}
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