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Factor out the arg parsing
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isaacs committed Dec 17, 2010
1 parent d3210ce commit 7e797b1
Showing 1 changed file with 14 additions and 64 deletions.
78 changes: 14 additions & 64 deletions cli.js
Expand Up @@ -12,68 +12,19 @@ var fs = require("./lib/utils/graceful-fs")
, rm = require("./lib/utils/rm-rf")
, errorHandler = require("./lib/utils/error-handler")

// supported commands.
, argv = process.argv.slice(2)
, arg = ""

, conf = {}
, key
, arglist = []
, command
, flagsDone
, parseArgs = require("./lib/utils/parse-args")

log.verbose(argv, "cli")

while (arg = argv.shift()) {
// FIXME: This is a mess right here.
// FIXME: Add a "config.flags" somewhere for configs that don't take values
// FIXME: Add config aliases for the shorthands and such.
if (!key && (arg.match(/^-+[h?]$/i) || arg.match(/^-+help$/i))) {
arg = "--usage"
}
if (!key && arg.match(/^-d+$/i)) {
// -d --loglevel info
// -dd --loglevel verbose
// -ddd --loglevel silly
key = "loglevel"
switch (arg.length) {
case 2: arg = "info"
break
case 3: arg = "verbose"
break
default: arg = "silly"
}
}
if (!key && (arg.match(/^-+s$/) || arg.match(/^--silent$/))) {
key = "loglevel"
arg = "silent"
} else if (!key && arg.match(/^--verbose$/)) {
key = "loglevel"
arg = "verbose"
}
if (!command && (npm.commands.hasOwnProperty(arg))) {
if (key) {
conf[key] = true
key = null
}
command = arg
} else if (!flagsDone && arg.substr(0, 2) === "--") {
if (key) conf[key] = true
key = arg.substr(2)
if (key === "usage") conf[key] = true, key = null
flagsDone = (key === "")
} else if (key) {
conf[key] = arg
key = null
} else arglist.push(arg)
var conf = parseArgs(argv)
npm.argv = conf.argv.remain
if (-1 !== npm.fullList.indexOf(npm.argv[0])) {
npm.command = npm.argv.shift()
}
if (key) conf[key] = true
if (conf.noreg) conf.registry = null
npm.argv = arglist

var vindex = arglist.indexOf("-v")
, printVersion = vindex !== -1 || conf.version
if (printVersion) {

if (conf.version) {
console.log(npm.version)
return
} else log("npm@"+npm.version, "using")
Expand All @@ -84,24 +35,23 @@ var semver = require("./lib/utils/semver")
, nodeVer = process.version
, reqVer = npm.nodeVersionRequired
if (reqVer && !semver.satisfies(nodeVer, reqVer)) {
errorHandler(new Error(
"npm doesn't work with node " + nodeVer + "\nRequired: node@" + reqVer), true)
return errorHandler(new Error(
"npm doesn't work with node " + nodeVer
+ "\nRequired: node@" + reqVer), true)
}

process.on("uncaughtException", errorHandler)

if (!command) conf.usage = true

if (conf.usage && command !== "help") {
arglist.unshift(command)
command = "help"
if (conf.usage && npm.command && npm.command !== "help") {
npm.argv.unshift(npm.command)
npm.command = "help"
}

// now actually fire up npm and run the command.
// this is how to use npm programmatically:
conf._exit = true
npm.load(conf, function (er) {
if (er) return errorHandler(er)
npm.commands[command](arglist, errorHandler)
npm.commands[npm.command](npm.argv, errorHandler)
})
})()

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