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refactor(flow): add flow support to storage

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This commit is contained in:
Juan Picado @jotadeveloper 2018-02-04 00:06:33 +01:00
parent 42f23da363
commit 7a86b71342
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GPG Key ID: 18AC54485952D158
5 changed files with 78 additions and 46 deletions
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2
.yarnrc Normal file
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@ -0,0 +1,2 @@
save-prefix ""
registry "http://registry.npmjs.org/"

2
package.json
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@ -51,7 +51,7 @@
"@commitlint/cli": "^6.1.0",
"@commitlint/config-conventional": "^6.1.0",
"@commitlint/travis-cli": "^6.1.0",
"@verdaccio/types": "0.2.0",
"@verdaccio/types": "0.3.0",
"axios": "0.17.1",
"babel-cli": "6.26.0",
"babel-core": "6.26.0",

4
src/lib/local-storage.js
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@ -500,7 +500,7 @@ class LocalStorage implements IStorage {
* @param {*} filename
* @return {ReadTarball}
*/
getTarball(name: string, filename: string) {
getTarball(name: string, filename: string): IReadTarball {
assert(Utils.validate_name(filename));
const storage: IPackageStorage = this._getLocalStorage(name);
@ -517,7 +517,7 @@ class LocalStorage implements IStorage {
* @private
* @return {ReadTarball}
*/
_createFailureStreamResponse() {
_createFailureStreamResponse(): IReadTarball {
const stream: IReadTarball = new ReadTarball();
process.nextTick(() => {

116
src/lib/storage.js
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@ -1,8 +1,12 @@
// @flow
import _ from 'lodash';
import assert from 'assert';
// $FlowFixMe
import async from 'async';
// $FlowFixMe
import Error from 'http-errors';
// $FlowFixMe
import semver from 'semver';
import Stream from 'stream';
@ -12,7 +16,23 @@ import {ReadTarball} from '@verdaccio/streams';
import ProxyStorage from './up-storage';
import * as Utils from './utils';
const Logger = require('../lib/logger');
import type {
IStorage,
IProxy,
IStorageHandler,
ProxyList,
Package,
Config,
MergeTags,
Version,
DistFile,
Callback,
Logger,
} from '@verdaccio/types';
import type {IReadTarball} from '@verdaccio/streams';
const LoggerApi = require('../lib/logger');
const WHITELIST = ['_rev', 'name', 'versions', 'dist-tags', 'readme', 'time'];
const getDefaultMetadata = (name) => {
return {
@ -27,16 +47,21 @@ const getDefaultMetadata = (name) => {
* Implements Storage interface
* (same for storage.js, local-storage.js, up-storage.js).
*/
class Storage {
class Storage implements IStorageHandler {
localStorage: IStorage;
config: Config;
logger: Logger;
uplinks: ProxyList;
/**
* @param {*} config
*/
constructor(config) {
constructor(config: Config) {
this.config = config;
this.uplinks = {};
this._setupUpLinks(this.config);
this.logger = Logger.logger.child();
this.localStorage = new LocalStorage(this.config, Logger.logger);
this.logger = LoggerApi.logger.child();
this.localStorage = new LocalStorage(this.config, LoggerApi.logger);
}
/**
@ -48,7 +73,7 @@ class Storage {
* @param {*} metadata
* @param {*} callback
*/
addPackage(name, metadata, callback) {
addPackage(name: string, metadata: any, callback: Function) {
const self = this;
/**
@ -62,7 +87,7 @@ class Storage {
return reject(err);
}
if (results) {
return reject(Error[409]('this package is already present'));
return reject(Utils.ErrorCode.get409('this package is already present'));
}
return resolve();
});
@ -82,7 +107,7 @@ class Storage {
}
// checking package
if (results) {
return reject(Error[409]('this package is already present'));
return reject(Utils.ErrorCode.get409('this package is already present'));
}
for (let i = 0; i < err_results.length; i++) {
// checking error
@ -144,7 +169,7 @@ class Storage {
* @param {*} tag
* @param {*} callback
*/
addVersion(name, version, metadata, tag, callback) {
addVersion(name: string, version: Version, metadata: Package, tag: string, callback: Callback) {
this.localStorage.addVersion(name, version, metadata, tag, callback);
}
@ -155,8 +180,8 @@ class Storage {
* @param {*} tag_hash
* @param {*} callback
*/
mergeTags(name, tag_hash, callback) {
this.localStorage.mergeTags(name, tag_hash, callback);
mergeTags(name: string, tagHash: MergeTags, callback: Callback) {
this.localStorage.mergeTags(name, tagHash, callback);
}
/**
@ -166,9 +191,9 @@ class Storage {
* @param {*} tag_hash
* @param {*} callback
*/
replace_tags(name, tag_hash, callback) {
replace_tags(name: string, tagHash: MergeTags, callback: Callback) {
this.logger.warn('method deprecated');
this.localStorage.mergeTags(name, tag_hash, callback);
this.localStorage.mergeTags(name, tagHash, callback);
}
/**
@ -180,7 +205,7 @@ class Storage {
* @param {*} revision
* @param {*} callback
*/
change_package(name, metadata, revision, callback) {
change_package(name: string, metadata: Package, revision: string, callback: Callback) {
this.localStorage.changePackage(name, metadata, revision, callback);
}
@ -191,7 +216,7 @@ class Storage {
* @param {*} name
* @param {*} callback
*/
remove_package(name, callback) {
remove_package(name: string, callback: Callback) {
this.localStorage.removePackage(name, callback);
// update the indexer
Search.remove(name);
@ -208,7 +233,7 @@ class Storage {
* @param {*} revision
* @param {*} callback
*/
remove_tarball(name, filename, revision, callback) {
remove_tarball(name: string, filename: string, revision: string, callback: Callback) {
this.localStorage.removeTarball(name, filename, revision, callback);
}
@ -220,7 +245,7 @@ class Storage {
* @param {*} filename
* @return {Stream}
*/
add_tarball(name, filename) {
add_tarball(name: string, filename: string) {
return this.localStorage.addTarball(name, filename);
}
@ -234,7 +259,7 @@ class Storage {
* @param {*} filename
* @return {Stream}
*/
get_tarball(name, filename) {
get_tarball(name: string, filename: string) {
let readStream = new ReadTarball();
readStream.abort = function() {};
@ -244,7 +269,7 @@ class Storage {
// information about it, so fetching package info is unnecessary
// trying local first
let localStream = self.localStorage.getTarball(name, filename);
let localStream: IReadTarball = self.localStorage.getTarball(name, filename);
let is_open = false;
localStream.on('error', (err) => {
if (is_open || err.status !== 404) {
@ -255,13 +280,13 @@ class Storage {
let err404 = err;
localStream.abort();
localStream = null; // gc
self.localStorage.getPackageMetadata(name, (err, info) => {
self.localStorage.getPackageMetadata(name, (err, info: Package) => {
if (_.isNil(err) && info._distfiles && _.isNil(info._distfiles[filename]) === false) {
// information about this file exists locally
serveFile(info._distfiles[filename]);
} else {
// we know nothing about this file, trying to get information elsewhere
self._syncUplinksMetadata(name, info, {}, (err, info) => {
self._syncUplinksMetadata(name, info, {}, (err, info: Package) => {
if (_.isNil(err) === false) {
return readStream.emit('error', err);
}
@ -286,13 +311,16 @@ class Storage {
* Fetch and cache local/remote packages.
* @param {Object} file define the package shape
*/
function serveFile(file) {
let uplink = null;
function serveFile(file: DistFile) {
let uplink: any = null;
for (let p in self.uplinks) {
// $FlowFixMe
if (self.uplinks[p].isUplinkValid(file.url)) {
uplink = self.uplinks[p];
}
}
if (uplink == null) {
uplink = new ProxyStorage({
url: file.url,
@ -300,10 +328,12 @@ class Storage {
_autogenerated: true,
}, self.config);
}
let savestream = null;
if (uplink.config.cache) {
savestream = self.localStorage.addTarball(name, filename);
}
let on_open = function() {
// prevent it from being called twice
on_open = function() {};
@ -366,7 +396,7 @@ class Storage {
* @property {boolean} options.keepUpLinkData keep up link info in package meta, last update, etc.
* @property {function} options.callback Callback for receive data
*/
getPackage(options) {
getPackage(options: any) {
this.localStorage.getPackageMetadata(options.name, (err, data) => {
if (err && (!err.status || err.status >= 500)) {
// report internal errors right away
@ -374,7 +404,7 @@ class Storage {
}
this._syncUplinksMetadata(options.name, data, {req: options.req},
function getPackageSynUpLinksCallback(err, result, uplink_errors) {
function getPackageSynUpLinksCallback(err, result: Package, uplink_errors) {
if (err) {
return options.callback(err);
}
@ -412,10 +442,10 @@ class Storage {
* @param {*} options
* @return {Stream}
*/
search(startkey, options) {
search(startkey: string, options: any) {
let self = this;
// stream to write a tarball
let stream = new Stream.PassThrough({objectMode: true});
let stream: any = new Stream.PassThrough({objectMode: true});
async.eachSeries(Object.keys(this.uplinks), function(up_name, cb) {
// shortcut: if `local=1` is supplied, don't call uplinks
@ -423,7 +453,7 @@ class Storage {
return cb();
}
// search by keyword for each uplink
let lstream = self.uplinks[up_name].search(options);
let lstream: IUploadTarball = self.uplinks[up_name].search(options);
// join streams
lstream.pipe(stream, {end: false});
lstream.on('error', function(err) {
@ -444,7 +474,7 @@ class Storage {
// executed after all series
function() {
// attach a local search results
let lstream = self.localStorage.search(startkey, options);
let lstream: IReadTarball = self.localStorage.search(startkey, options);
stream.abort = function() {
lstream.abort();
};
@ -462,7 +492,7 @@ class Storage {
* Retrieve only private local packages
* @param {*} callback
*/
getLocalDatabase(callback) {
getLocalDatabase(callback: Callback) {
let self = this;
let locals = this.localStorage.localData.get();
let packages = [];
@ -503,7 +533,7 @@ class Storage {
* @param {*} options
* @param {*} callback
*/
_syncUplinksMetadata(name, packageInfo, options, callback) {
_syncUplinksMetadata(name: string, packageInfo: Package, options: any, callback: Callback) {
let exists = false;
const self = this;
const upLinks = [];
@ -583,7 +613,7 @@ class Storage {
exists = true;
cb();
});
}, (err, upLinksErrors) => {
}, (err: Error, upLinksErrors: any) => {
assert(!err && Array.isArray(upLinksErrors));
if (!exists) {
return callback( Utils.ErrorCode.get404('no such package available')
@ -591,7 +621,7 @@ class Storage {
, upLinksErrors );
}
self.localStorage.updateVersions(name, packageInfo, function(err, packageJsonLocal) {
self.localStorage.updateVersions(name, packageInfo, function(err, packageJsonLocal: Package) {
if (err) {
return callback(err);
}
@ -606,12 +636,13 @@ class Storage {
* @param {String} upLink uplink name
* @private
*/
_updateVersionsHiddenUpLink(versions, upLink) {
_updateVersionsHiddenUpLink(versions: Versions, upLink: IProxy) {
for (let i in versions) {
if (Object.prototype.hasOwnProperty.call(versions, i)) {
const version = versions[i];
// holds a "hidden" value to be used by the package storage.
// $FlowFixMe
version[Symbol.for('__verdaccio_uplink')] = upLink.upname;
}
}
@ -622,15 +653,14 @@ class Storage {
* @param {Object} config
* @private
*/
_setupUpLinks(config) {
// we support a number of uplinks, but only one local storage
// Proxy and Local classes should have similar API interfaces
this.uplinks = {};
for (let p in config.uplinks) {
if (Object.prototype.hasOwnProperty.call(config.uplinks, p)) {
_setupUpLinks(config: Config) {
for (let uplinkName in config.uplinks) {
if (Object.prototype.hasOwnProperty.call(config.uplinks, uplinkName)) {
// instance for each up-link definition
this.uplinks[p] = new ProxyStorage(config.uplinks[p], config);
this.uplinks[p].upname = p;
const proxy: IProxy = new ProxyStorage(config.uplinks[uplinkName], config);
proxy.upname = uplinkName;
this.uplinks[uplinkName] = proxy;
}
}
}
@ -643,7 +673,7 @@ class Storage {
* @param {*} config
* @static
*/
static _mergeVersions(local, up, config) {
static _mergeVersions(local: Package, up: Package, config: Config) {
// copy new versions to a cache
// NOTE: if a certain version was updated, we can't refresh it reliably
for (let i in up.versions) {

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