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| var _ = require('lodash'),
async = require('async'),
colors = require('colors'),
fs = require('fs'),
prod = require('prod'),
req = require('bagofrequest'),
semver = require('semver'),
util = require('util');
const DEPENDENCY_TYPES = ['dependencies', 'devDependencies', 'peerDependencies', 'optDependencies'];
/**
* class PkjUtil
*
* @param {String} file: path to package.json file
*/
function PkjUtil(file) {
this.file = file || 'package.json';
}
/**
* List dependencies.
*
* @param {String} type: dependencies type (dependencies or devDependencies), all when type is not provided
* @param {Function} cb: standard cb(err, result) callback
*/
PkjUtil.prototype.listDependencies = function (type, cb) {
fs.readFile(this.file, function (err, data) {
var pkg = JSON.parse(data),
types = type ? [type] : DEPENDENCY_TYPES,
modules = [];
_.filter(types, function (type) { return pkg[type]; }).forEach(function (type) {
modules = modules.concat(_.keys(pkg[type]));
});
modules = _.uniq(modules);
cb(err, modules);
});
};
/**
* Sort dependencies in alphabetical order.
*
* @param {String} type: dependencies type (dependencies or devDependencies), all when type is not provided
* @param {Function} cb: standard cb(err, result) callback
*/
PkjUtil.prototype.sortDependencies = function (type, cb) {
function process(pkg, cb) {
var types = type ? [type] : DEPENDENCY_TYPES,
modules = [];
_.filter(types, function (type) { return pkg[type]; }).forEach(function (type) {
var sorted = [];
_.keys(pkg[type]).sort().forEach(function (module) {
sorted.push(util.format('"%s": "%s"', module, pkg[type][module]));
});
pkg[type] = JSON.parse(util.format('{%s}', sorted.join(',')));
});
cb(null, pkg);
}
this._updatePackage(process, cb);
};
/**
* Traverse dependencies and group each package with its dependencies reference
*
* @param {Function} cb: standard cb(err, result) callback
*/
PkjUtil.prototype.traverseDependencies = function (cb) {
if (fs.existsSync('package.json') || fs.existsSync('node_modules')) {
prod().load(function (err, dependencies) {
var result;
if (!err) {
result = {};
dependencies.map(function(pkg) {
function filter(type) {
var checkType = (type === 'dependencies') ? '_dependencies' : type;
return pkg[checkType] && !_.isEmpty(pkg[checkType]);
}
var name = util.format('%s@%s', pkg.name, pkg.version);
result[name] = {};
_.filter(DEPENDENCY_TYPES, filter).forEach(function (type) {
var checkType = (type === 'dependencies') ? '_dependencies' : type;
result[name][type] = pkg[checkType];
});
});
}
cb(err, result);
});
} else {
cb(new Error('Either package.json file or node_modules directory must exist'));
}
};
/**
* Upgrade version based on type.
*
* @param {String} type: version type (major, minor, patch), default to patch
* @param {Function} cb: standard cb(err, result) callback
*/
PkjUtil.prototype.upgradeVersion = function (type, cb) {
function process(pkg, cb) {
var version = semver.parse(pkg.version);
if (type === 'major') {
version.major += 1;
version.minor = 0;
version.patch = 0;
} else if (type === 'minor') {
version.minor += 1;
version.patch = 0;
} else {
version.patch += 1;
}
pkg.version = version.format();
cb(null, pkg);
}
this._updatePackage(process, cb);
};
/**
* Upgrade the version of each dependency to the latest published
* in the registry.
* Version range will be kept, e.g. ~0.0.1 is upgraded to ~0.0.18 .
* If version does not contain numeric major.minor.patch, then
* version is upgraded to latest, e.g. 0.0.x is upgraded to 0.0.18 .
*
* @param {Object} opts: optional
* - registry: npm registry, default to public npm registry
* @param {Function} cb: standard cb(err, result) callback
*/
PkjUtil.prototype.upgradeDependencies = function (opts, cb) {
const LIMIT = 5;
opts = opts || {};
opts.registry = opts.registry || 'https://registry.npmjs.org/';
if (!opts.registry.match(/\/$/)) {
opts.registry += '/';
}
function process(pkg, cb) {
function iterator(dependency, cb) {
var requestOpts = {
handlers: {
200: function (result, cb) {
var latestVersion = JSON.parse(result.body).version;
function update(type) {
var dependencies = pkg[type],
currVersionMatch = dependencies[dependency].match(/[0-9]+\.[0-9]+\.[0-9]+/),
currVersion = currVersionMatch ? currVersionMatch.toString() : null,
range = currVersionMatch ? dependencies[dependency].replace(/[0-9]+\.[0-9]+\.[0-9]+.*$/, '') : null;
if (currVersion != latestVersion) {
dependencies[dependency] = (range || '') + latestVersion;
console.log('%s - %s - upgraded to %s', dependency.green, type, dependencies[dependency]);
} else {
console.log('%s - %s - already latest %s', dependency.grey, type, dependencies[dependency]);
}
}
_.filter(DEPENDENCY_TYPES, function (type) { return pkg[type] && pkg[type][dependency]; }).forEach(function (type) {
update(type);
});
cb();
}
}
};
req.request('get', opts.registry + dependency + '/latest', requestOpts, cb);
}
var dependencies = [];
DEPENDENCY_TYPES.forEach(function (type) {
dependencies = _.union(dependencies, _.keys(pkg[type]));
});
async.eachLimit(dependencies, LIMIT, iterator, function (err) {
cb(err, pkg);
});
}
this._updatePackage(process, cb);
};
/**
* Read package.json file, apply process function, then overwrite the file.
*
* @param {Function} process: process function to be applied to parsed package.json
* @param {Function} cb: standard cb(err, result) callback
*/
PkjUtil.prototype._updatePackage = function (process, cb) {
var self = this;
fs.readFile(this.file, function (err, data) {
if (err) {
cb(err);
} else {
var pkg = JSON.parse(data);
process(pkg, function (err, result) {
if (err) {
cb(err, result);
} else {
fs.writeFile(self.file, JSON.stringify(result, null, 2), function (err) {
cb(err, result);
});
}
});
}
});
};
module.exports = PkjUtil;
|