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module.exports = completion
completion.usage = "Not intended to be used directly.\n"
+ "See the npm-completion.sh script in the npm "
+ "source directory"
var npm = require("../npm")
, getCompletions = require("./utils/completion/get-completions")
, containsSingleMatch = require("./utils/completion/contains-single-match")
, output = require("./utils/output")
, index = + (npm.config.get("comp-cword") || process.env.COMP_CWORD)
, log = require("./utils/log")
function completion (args, cb_) {
var cmd = args[1] || ""
, complFullList = getCompletions(cmd, npm.fullList, true)
//Object.keys(process.env).filter(function (e) {
// return e.toUpperCase().match(/^COMP/)
//}).forEach(function (e) {
// log.warn(e+"="+JSON.stringify(process.env[e]), "completion env")
//})
//log.warn(args, "completion args")
//log.warn([cmd,index], "cmd")
function cb (er, list) {
if (er) return cb_(er)
outputCompletions(list, cb_)
}
var uniqueCmd = (complFullList.indexOf(cmd) !== -1 &&
containsSingleMatch(cmd, complFullList))
if (index === 1 && uniqueCmd) {
//log.warn(cmd, "unique command")
cb(null, [cmd])
} else if (index > 1 || uniqueCmd) {
var subargs = args.slice(2)
npm.commands[npm.deref(cmd)].completion(subargs, index, cb)
} else cb(null, complFullList)
}
function outputCompletions (list, cb_) {
var outfd = npm.config.get("outfd")
function cb () { cb_(list.length ? null : "no match found", list) }
//log.warn(list, "completion output")
output.write(outfd, list, false, cb)
}
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