chore: add types checker script and more fixes on the jsdocs

package.json

@@ -4,6 +4,15 @@
   "description": "JavaScript implementation of libp2p, a modular peer to peer network stack",
   "leadMaintainer": "Jacob Heun <jacobheun@gmail.com>",
   "main": "src/index.js",
+  "types": "dist/src/index.d.ts",
+  "typesVersions": {
+    "*": {
+      "src/*": [
+        "dist/src/*",
+        "dist/src/*/index"
+      ]
+    }
+  },
   "files": [
     "dist",
     "src"
@@ -15,6 +24,7 @@
     "test:node": "aegir test -t node -f \"./test/**/*.{node,spec}.js\"",
     "test:browser": "aegir test -t browser",
     "test:examples": "cd examples && npm run test:all",
+    "test:types": "aegir ts -p check",
     "release": "aegir release -t node -t browser",
     "release-minor": "aegir release --type minor -t node -t browser",
     "release-major": "aegir release --type major -t node -t browser",
@@ -88,7 +98,7 @@
   "devDependencies": {
     "@nodeutils/defaults-deep": "^1.1.0",
     "abortable-iterator": "^3.0.0",
-    "aegir": "^27.0.0",
+    "aegir": "^29.1.0",
     "chai-bytes": "^0.1.2",
     "chai-string": "^1.5.0",
     "delay": "^4.3.0",

src/address-manager/index.js

@@ -1,9 +1,5 @@
 'use strict'
 
-const debug = require('debug')
-const log = debug('libp2p:addresses')
-log.error = debug('libp2p:addresses:error')
-
 const multiaddr = require('multiaddr')
 
 /**

src/circuit/auto-relay.js

@@ -1,8 +1,9 @@
 'use strict'
 
 const debug = require('debug')
-const log = debug('libp2p:auto-relay')
-log.error = debug('libp2p:auto-relay:error')
+const log = Object.assign(debug('libp2p:auto-relay'), {
+  error: debug('libp2p:auto-relay:err')
+})
 
 const uint8ArrayFromString = require('uint8arrays/from-string')
 const uint8ArrayToString = require('uint8arrays/to-string')

src/circuit/circuit/hop.js

@@ -1,21 +1,26 @@
 'use strict'
 
 const debug = require('debug')
-const log = debug('libp2p:circuit:hop')
-log.error = debug('libp2p:circuit:hop:error')
+const log = Object.assign(debug('libp2p:circuit:hop'), {
+  error: debug('libp2p:circuit:hop:err')
+})
+const errCode = require('err-code')
 
 const PeerId = require('peer-id')
 const { validateAddrs } = require('./utils')
 const StreamHandler = require('./stream-handler')
 const { CircuitRelay: CircuitPB } = require('../protocol')
-const pipe = require('it-pipe')
-const errCode = require('err-code')
+const { pipe } = require('it-pipe')
 const { codes: Errors } = require('../../errors')
 
 const { stop } = require('./stop')
 
 const multicodec = require('./../multicodec')
 
+/**
+ * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
+ */
+
 module.exports.handleHop = async function handleHop ({
   connection,
   request,

src/circuit/circuit/stop.js

@@ -1,23 +1,28 @@
 'use strict'
 
+const debug = require('debug')
+const log = Object.assign(debug('libp2p:circuit:stop'), {
+  error: debug('libp2p:circuit:stop:err')
+})
+
 const { CircuitRelay: CircuitPB } = require('../protocol')
 const multicodec = require('../multicodec')
 const StreamHandler = require('./stream-handler')
 const { validateAddrs } = require('./utils')
 
-const debug = require('debug')
-const log = debug('libp2p:circuit:stop')
-log.error = debug('libp2p:circuit:stop:error')
+/**
+ * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
+ */
 
 /**
  * Handles incoming STOP requests
  *
  * @private
- * @param {*} options
+ * @param {object} options
  * @param {Connection} options.connection
  * @param {*} options.request - The CircuitRelay protobuf request (unencoded)
  * @param {StreamHandler} options.streamHandler
- * @returns {Promise<*>} Resolves a duplex iterable
+ * @returns {Promise<*>|void} Resolves a duplex iterable
  */
 module.exports.handleStop = function handleStop ({
   connection,
@@ -44,7 +49,7 @@ module.exports.handleStop = function handleStop ({
  * Creates a STOP request
  *
  * @private
- * @param {*} options
+ * @param {object} options
  * @param {Connection} options.connection
  * @param {*} options.request - The CircuitRelay protobuf request (unencoded)
  * @returns {Promise<*>} Resolves a duplex iterable

src/circuit/circuit/stream-handler.js

@@ -1,13 +1,14 @@
 'use strict'
 
+const debug = require('debug')
+const log = Object.assign(debug('libp2p:circuit:stream-handler'), {
+  error: debug('libp2p:circuit:stream-handler:err')
+})
+
 const lp = require('it-length-prefixed')
 const handshake = require('it-handshake')
 const { CircuitRelay: CircuitPB } = require('../protocol')
 
-const debug = require('debug')
-const log = debug('libp2p:circuit:stream-handler')
-log.error = debug('libp2p:circuit:stream-handler:error')
-
 class StreamHandler {
   /**
    * Create a stream handler for connection
@@ -27,7 +28,7 @@ class StreamHandler {
    * Read and decode message
    *
    * @async
-   * @returns {void}
+   * @returns {Promise<void>}
    */
   async read () {
     const msg = await this.decoder.next()

src/circuit/circuit/utils.js

@@ -3,6 +3,10 @@
 const multiaddr = require('multiaddr')
 const { CircuitRelay } = require('../protocol')
 
+/**
+ * @typedef {import('./stream-handler')} StreamHandler
+ */
+
 /**
  * Write a response
  *

src/circuit/index.js

@@ -1,8 +1,9 @@
 'use strict'
 
 const debug = require('debug')
-const log = debug('libp2p:relay')
-log.error = debug('libp2p:relay:error')
+const log = Object.assign(debug('libp2p:relay'), {
+  error: debug('libp2p:relay:err')
+})
 
 const {
   setDelayedInterval,

src/circuit/listener.js

@@ -1,14 +1,14 @@
 'use strict'
 
-const EventEmitter = require('events')
+const { EventEmitter } = require('events')
 const multiaddr = require('multiaddr')
 
-const debug = require('debug')
-const log = debug('libp2p:circuit:listener')
-log.err = debug('libp2p:circuit:error:listener')
+/**
+ * @typedef {import('multiaddr')} Multiaddr
+ */
 
 /**
- * @param {Libp2p} libp2p
+ * @param {import('../')} libp2p
  * @returns {Listener} a transport listener
  */
 module.exports = (libp2p) => {

src/connection-manager/index.js

@@ -1,8 +1,9 @@
 'use strict'
 
 const debug = require('debug')
-const log = debug('libp2p:connection-manager')
-log.error = debug('libp2p:connection-manager:error')
+const log = Object.assign(debug('libp2p:connection-manager'), {
+  error: debug('libp2p:connection-manager:err')
+})
 
 const errcode = require('err-code')
 const mergeOptions = require('merge-options')
@@ -14,7 +15,7 @@ const { EventEmitter } = require('events')
 const PeerId = require('peer-id')
 
 const {
-  ERR_INVALID_PARAMETERS
+  codes: { ERR_INVALID_PARAMETERS }
 } = require('../errors')
 
 const defaultOptions = {
@@ -187,15 +188,17 @@ class ConnectionManager extends EventEmitter {
    * @private
    */
   _checkMetrics () {
-    const movingAverages = this._libp2p.metrics.global.movingAverages
-    const received = movingAverages.dataReceived[this._options.movingAverageInterval].movingAverage()
-    this._checkMaxLimit('maxReceivedData', received)
-    const sent = movingAverages.dataSent[this._options.movingAverageInterval].movingAverage()
-    this._checkMaxLimit('maxSentData', sent)
-    const total = received + sent
-    this._checkMaxLimit('maxData', total)
-    log('metrics update', total)
-    this._timer = retimer(this._checkMetrics, this._options.pollInterval)
+    if (this._libp2p.metrics) {
+      const movingAverages = this._libp2p.metrics.global.movingAverages
+      const received = movingAverages.dataReceived[this._options.movingAverageInterval].movingAverage()
+      this._checkMaxLimit('maxReceivedData', received)
+      const sent = movingAverages.dataSent[this._options.movingAverageInterval].movingAverage()
+      this._checkMaxLimit('maxSentData', sent)
+      const total = received + sent
+      this._checkMaxLimit('maxData', total)
+      log('metrics update', total)
+      this._timer = retimer(this._checkMetrics, this._options.pollInterval)
+    }
   }
 
   /**
@@ -249,7 +252,7 @@ class ConnectionManager extends EventEmitter {
    * Get a connection with a peer.
    *
    * @param {PeerId} peerId
-   * @returns {Connection}
+   * @returns {Connection|null}
    */
   get (peerId) {
     const connections = this.getAll(peerId)

src/content-routing.js

@@ -9,6 +9,7 @@ const pAny = require('p-any')
 /**
  * @typedef {import('peer-id')} PeerId
  * @typedef {import('multiaddr')} Multiaddr
+ * @typedef {import('cids')} CID
  */
 
 /**
@@ -63,7 +64,7 @@ module.exports = (node) => {
      * a provider of the given key.
      *
      * @param {CID} key - The CID key of the content to find
-     * @returns {Promise<void>}
+     * @returns {Promise<void[]>}
      */
     async provide (key) { // eslint-disable-line require-await
       if (!routers.length) {

src/dialer/dial-request.js

@@ -1,15 +1,13 @@
 'use strict'
 
+const errCode = require('err-code')
 const AbortController = require('abort-controller')
 const anySignal = require('any-signal')
-const debug = require('debug')
-const errCode = require('err-code')
-const log = debug('libp2p:dialer:request')
-log.error = debug('libp2p:dialer:request:error')
 const FIFO = require('p-fifo')
 const pAny = require('p-any')
 
 /**
+ * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
  * @typedef {import('./')} Dialer
  * @typedef {import('multiaddr')} Multiaddr
  */
@@ -45,7 +43,7 @@ class DialRequest {
    * @async
    * @param {object} [options]
    * @param {AbortSignal} [options.signal] - An AbortController signal
-   * @returns {Connection}
+   * @returns {Promise<Connection>}
    */
   async run (options) {
     const tokens = this.dialer.getTokens(this.addrs.length)

src/dialer/index.js

@@ -1,12 +1,13 @@
 'use strict'
 
-const multiaddr = require('multiaddr')
+const debug = require('debug')
+const log = Object.assign(debug('libp2p:dialer'), {
+  error: debug('libp2p:dialer:err')
+})
 const errCode = require('err-code')
+const multiaddr = require('multiaddr')
 const TimeoutController = require('timeout-abort-controller')
 const anySignal = require('any-signal')
-const debug = require('debug')
-const log = debug('libp2p:dialer')
-log.error = debug('libp2p:dialer:error')
 
 const { DialRequest } = require('./dial-request')
 const { publicAddressesFirst } = require('libp2p-utils/src/address-sort')
@@ -20,9 +21,11 @@ const {
 } = require('../constants')
 
 /**
+ * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
  * @typedef {import('multiaddr')} Multiaddr
  * @typedef {import('peer-id')} PeerId
  * @typedef {import('../peer-store')} PeerStore
+ * @typedef {import('../peer-store/address-book').Address} Address
  * @typedef {import('../transport-manager')} TransportManager
  * @typedef {import('./dial-request')} DialRequest
  */
@@ -172,7 +175,7 @@ class Dialer {
    * @param {AbortSignal} [options.signal] - An AbortController signal
    * @returns {PendingDial}
    */
-  _createPendingDial (dialTarget, options) {
+  _createPendingDial (dialTarget, options = {}) {
     const dialAction = (addr, options) => {
       if (options.signal.aborted) throw errCode(new Error('already aborted'), codes.ERR_ALREADY_ABORTED)
       return this.transportManager.dial(addr, options)

src/get-peer.js

@@ -7,7 +7,6 @@ const errCode = require('err-code')
 const { codes } = require('./errors')
 
 /**
- * @typedef {import('peer-id')} PeerId
  * @typedef {import('multiaddr')} Multiaddr
  */
 
@@ -16,7 +15,7 @@ const { codes } = require('./errors')
  * If a multiaddr is received, the addressBook is updated.
  *
  * @param {PeerId|multiaddr|string} peer
- * @returns {{ id: PeerId, multiaddrs: Multiaddr[] }}
+ * @returns {{ id: PeerId, multiaddrs: Multiaddr[]|undefined }}
  */
 function getPeer (peer) {
   if (typeof peer === 'string') {