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#!/usr/bin/env node
//
// Copyright (C) 2014 Codethink Limited
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
async = require("async");
npm = require("npm");
semver = require("semver");
util = require("util");
base = require("./importer_base");
function parseArgs(argv) {
if (argv.length === 4)
return argv[3];
if (argv.length === 5)
return argv[3] + '@' + argv[4];
throw("Error! Wrong number of command line arguments! Usage: " +
"./npm.find_deps SOURCE_DIR NAME VERSION");
}
function getDeps(er, packageInfo) {
var names = [];
var ranges = {};
var resolved = {};
package = base.getFirstItem(packageInfo);
if (package.dependencies === undefined) {
showDeps({});
return;
}
names = Object.keys(package.dependencies);
for (name in package.dependencies)
ranges[name] = package.dependencies[name];
var resolveDepVersion = function(depName, cb) {
npm.commands.view([depName], "silent", function (er, packageInfoSet) {
if (er) throw er;
for (i in packageInfoSet) {
package = packageInfoSet[i];
resolved[package.name] = semver.maxSatisfying(package.versions, ranges[package.name]);
};
cb();
})
};
async.each(names, resolveDepVersion, function(er){
if (er) throw er;
showDeps(resolved);
})
};
function showDeps(runtimeDeps) {
var output = {
"npm": {
"build-dependencies": {},
"runtime-dependencies": runtimeDeps
}
};
outputText = JSON.stringify(output, null, 4);
console.log(outputText);
}
npm.load(function(er, npm) {
var package = parseArgs(process.argv);
if (er) throw er;
npm.commands.view([package], "silent", getDeps);
});
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