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Add jsdoc and fix lint warnings for utils.js
This commit is contained in:
Juan Picado
parent
7dde31546e
commit
5a17a04090
1 changed files with 241 additions and 169 deletions
170
lib/utils.js
170
lib/utils.js
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@ -5,7 +5,12 @@ let Semver = require('semver');
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let URL = require('url');
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let Logger = require('./logger');
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module.exports.validate_package = function(name) {
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/**
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* Validate a package.
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* @param {*} name
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* @return {Boolean} whether the package is valid or not
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*/
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function validate_package(name) {
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name = name.split('/', 2);
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if (name.length === 1) {
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// normal package
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@ -16,11 +21,17 @@ module.exports.validate_package = function(name) {
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&& module.exports.validate_name(name[0].slice(1))
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&& module.exports.validate_name(name[1]);
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}
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};
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}
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// from normalize-package-data/lib/fixer.js
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module.exports.validate_name = function(name) {
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if (typeof(name) !== 'string') return false;
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/**
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* From normalize-package-data/lib/fixer.js
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* @param {*} name the package name
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* @return {Boolean} whether is valid or not
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*/
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function validate_name(name) {
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if (typeof(name) !== 'string') {
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return false;
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}
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name = name.toLowerCase();
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// all URL-safe characters and "@" for issue #75
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@ -36,13 +47,25 @@ module.exports.validate_name = function(name) {
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} else {
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return true;
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}
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};
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}
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module.exports.is_object = function(obj) {
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/**
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* Check whether an element is an Object
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* @param {*} obj the element
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* @return {Boolean}
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*/
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function is_object(obj) {
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return typeof(obj) === 'object' && obj !== null && !Array.isArray(obj);
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};
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}
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module.exports.validate_metadata = function(object, name) {
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/**
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* Validate the package metadata, add additional properties whether are missing within
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* the metadata properties.
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* @param {*} object
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* @param {*} name
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* @return {Object} the object with additional properties as dist-tags ad versions
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*/
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function validate_metadata(object, name) {
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assert(module.exports.is_object(object), 'not a json object');
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assert.equal(object.name, name);
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@ -55,22 +78,34 @@ module.exports.validate_metadata = function(object, name) {
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}
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return object;
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};
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module.exports.filter_tarball_urls = function(pkg, req, config) {
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function filter(_url) {
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if (!req.headers.host) return _url;
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}
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/**
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* Iterate a packages's versions and filter each original tarbal url.
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* @param {*} pkg
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* @param {*} req
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* @param {*} config
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* @return {String} a filtered package
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*/
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function filter_tarball_urls(pkg, req, config) {
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/**
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* Filter a tarball url.
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* @param {*} _url
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* @return {String} a parsed url
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*/
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const filter = function(_url) {
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if (!req.headers.host) {
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return _url;
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}
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let filename = URL.parse(_url).pathname.replace(/^.*\//, '');
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let result;
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if (config.url_prefix != null) {
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var result = config.url_prefix.replace(/\/$/, '');
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result = config.url_prefix.replace(/\/$/, '');
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} else {
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var result = req.protocol + '://' + req.headers.host;
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result = req.protocol + '://' + req.headers.host;
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}
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return `${result}/${pkg.name.replace(/\//g, '%2f')}/-/${filename}`;
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}
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};
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for (let ver in pkg.versions) {
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let dist = pkg.versions[ver].dist;
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@ -80,9 +115,16 @@ module.exports.filter_tarball_urls = function(pkg, req, config) {
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}
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}
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return pkg;
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};
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}
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module.exports.tag_version = function(data, version, tag) {
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/**
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* Create a tag for a package
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* @param {*} data
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* @param {*} version
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* @param {*} tag
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* @return {Boolean} whether a package has been tagged
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*/
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function tag_version(data, version, tag) {
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if (tag) {
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if (data['dist-tags'][tag] !== version) {
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if (Semver.parse(version, true)) {
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@ -97,12 +139,19 @@ module.exports.tag_version = function(data, version, tag) {
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}
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}
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return false;
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};
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// gets version from a package object taking into account semver weirdness
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module.exports.get_version = function(object, version) {
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if (object.versions[version] != null) return object.versions[version];
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}
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/**
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* Gets version from a package object taking into account semver weirdness.
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* @param {*} object
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* @param {*} version
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* @return {String} return the semantic version of a package
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*/
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function get_version(object, version) {
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// this condition must allow cast
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if (object.versions[version] != null) {
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return object.versions[version];
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}
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try {
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version = Semver.parse(version, true);
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for (let k in object.versions) {
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@ -113,25 +162,28 @@ module.exports.get_version = function(object, version) {
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} catch (err) {
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return undefined;
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}
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};
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}
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module.exports.parse_address = function parse_address(addr) {
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//
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// Allow:
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//
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// - https:localhost:1234 - protocol + host + port
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// - localhost:1234 - host + port
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// - 1234 - port
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// - http::1234 - protocol + port
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// - https://localhost:443/ - full url + https
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// - http://[::1]:443/ - ipv6
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// - unix:/tmp/http.sock - unix sockets
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// - https://unix:/tmp/http.sock - unix sockets (https)
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/**
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* Parse an internet address
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* Allow:
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- https:localhost:1234 - protocol + host + port
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- localhost:1234 - host + port
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- 1234 - port
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- http::1234 - protocol + port
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- https://localhost:443/ - full url + https
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- http://[::1]:443/ - ipv6
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- unix:/tmp/http.sock - unix sockets
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- https://unix:/tmp/http.sock - unix sockets (https)
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* @param {*} addr the internet address definition
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* @return {Object|Null} literal object that represent the address parsed
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*/
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function parse_address(addr) {
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//
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// TODO: refactor it to something more reasonable?
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//
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// protocol : // ( host )|( ipv6 ): port /
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var m = /^((https?):(\/\/)?)?((([^\/:]*)|\[([^\[\]]+)\]):)?(\d+)\/?$/.exec(addr);
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let m = /^((https?):(\/\/)?)?((([^\/:]*)|\[([^\[\]]+)\]):)?(\d+)\/?$/.exec(addr);
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if (m) return {
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proto: m[2] || 'http',
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@ -139,18 +191,24 @@ module.exports.parse_address = function parse_address(addr) {
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port: m[8] || '4873',
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};
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var m = /^((https?):(\/\/)?)?unix:(.*)$/.exec(addr);
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m = /^((https?):(\/\/)?)?unix:(.*)$/.exec(addr);
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if (m) return {
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if (m) {
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return {
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proto: m[2] || 'http',
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path: m[4],
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};
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}
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return null;
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};
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}
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// function filters out bad semver versions and sorts the array
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module.exports.semver_sort = function semver_sort(array) {
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/**
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* Function filters out bad semver versions and sorts the array.
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* @param {*} array
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* @return {Array} sorted Array
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*/
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function semver_sort(array) {
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return array
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.filter(function(x) {
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if (!Semver.parse(x, true)) {
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@ -161,10 +219,13 @@ module.exports.semver_sort = function semver_sort(array) {
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})
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.sort(Semver.compareLoose)
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.map(String);
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};
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}
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// flatten arrays of tags
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module.exports.normalize_dist_tags = function(data) {
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/**
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* Flatten arrays of tags.
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* @param {*} data
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*/
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function normalize_dist_tags(data) {
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let sorted;
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if (!data['dist-tags'].latest) {
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@ -194,4 +255,15 @@ module.exports.normalize_dist_tags = function(data) {
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}
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}
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}
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};
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}
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module.exports.semver_sort = semver_sort;
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module.exports.parse_address = parse_address;
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module.exports.get_version = get_version;
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module.exports.normalize_dist_tags = normalize_dist_tags;
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module.exports.tag_version = tag_version;
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module.exports.filter_tarball_urls = filter_tarball_urls;
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module.exports.validate_metadata = validate_metadata;
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module.exports.is_object = is_object;
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module.exports.validate_name = validate_name;
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module.exports.validate_package = validate_package;
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