MTS/yjs-backend
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make this a proper esm module

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This commit is contained in:
Kevin Jahns
2024-03-20 11:44:18 +01:00
parent 89fb1e38ee
commit c3d14cf07d
6 changed files with 55 additions and 37 deletions
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9
bin/callback.js → bin/callback.cjs
View File

@@ -1,7 +1,8 @@
const http = require('http')
const number = require('lib0/number')
const CALLBACK_URL = process.env.CALLBACK_URL ? new URL(process.env.CALLBACK_URL) : null
const CALLBACK_TIMEOUT = process.env.CALLBACK_TIMEOUT || 5000
const CALLBACK_TIMEOUT = number.parseInt(process.env.CALLBACK_TIMEOUT || '5000')
const CALLBACK_OBJECTS = process.env.CALLBACK_OBJECTS ? JSON.parse(process.env.CALLBACK_OBJECTS) : {}
exports.isCallbackSet = !!CALLBACK_URL
@@ -9,7 +10,7 @@ exports.isCallbackSet = !!CALLBACK_URL
/**
* @param {Uint8Array} update
* @param {any} origin
* @param {WSSharedDoc} doc
* @param {import('./utils.cjs').WSSharedDoc} doc
*/
exports.callbackHandler = (update, origin, doc) => {
const room = doc.name
@@ -25,7 +26,7 @@ exports.callbackHandler = (update, origin, doc) => {
content: getContent(sharedObjectName, sharedObjectType, doc).toJSON()
}
})
callbackRequest(CALLBACK_URL, CALLBACK_TIMEOUT, dataToSend)
CALLBACK_URL && callbackRequest(CALLBACK_URL, CALLBACK_TIMEOUT, dataToSend)
}
/**
@@ -62,7 +63,7 @@ const callbackRequest = (url, timeout, data) => {
/**
* @param {string} objName
* @param {string} objType
* @param {WSSharedDoc} doc
* @param {import('./utils.cjs').WSSharedDoc} doc
*/
const getContent = (objName, objType, doc) => {
switch (objType) {

7
bin/server.js → bin/server.cjs
View File

@@ -5,13 +5,14 @@
*/
const WebSocket = require('ws')
const http = require('http')
const number = require('lib0/number')
const wss = new WebSocket.Server({ noServer: true })
const setupWSConnection = require('./utils.js').setupWSConnection
const setupWSConnection = require('./utils.cjs').setupWSConnection
const host = process.env.HOST || 'localhost'
const port = process.env.PORT || 1234
const port = number.parseInt(process.env.PORT || '1234')
const server = http.createServer((request, response) => {
const server = http.createServer((_request, response) => {
response.writeHead(200, { 'Content-Type': 'text/plain' })
response.end('okay')
})

28
bin/utils.js → bin/utils.cjs
View File

@@ -1,18 +1,18 @@
const Y = require('yjs')
const syncProtocol = require('y-protocols/dist/sync.cjs')
const awarenessProtocol = require('y-protocols/dist/awareness.cjs')
const syncProtocol = require('y-protocols/sync')
const awarenessProtocol = require('y-protocols/awareness')
const encoding = require('lib0/dist/encoding.cjs')
const decoding = require('lib0/dist/decoding.cjs')
const map = require('lib0/dist/map.cjs')
const encoding = require('lib0/encoding')
const decoding = require('lib0/decoding')
const map = require('lib0/map')
const debounce = require('lodash.debounce')
const callbackHandler = require('./callback.js').callbackHandler
const isCallbackSet = require('./callback.js').isCallbackSet
const callbackHandler = require('./callback.cjs').callbackHandler
const isCallbackSet = require('./callback.cjs').isCallbackSet
const CALLBACK_DEBOUNCE_WAIT = parseInt(process.env.CALLBACK_DEBOUNCE_WAIT) || 2000
const CALLBACK_DEBOUNCE_MAXWAIT = parseInt(process.env.CALLBACK_DEBOUNCE_MAXWAIT) || 10000
const CALLBACK_DEBOUNCE_WAIT = parseInt(process.env.CALLBACK_DEBOUNCE_WAIT || '2000')
const CALLBACK_DEBOUNCE_MAXWAIT = parseInt(process.env.CALLBACK_DEBOUNCE_MAXWAIT || '10000')
const wsReadyStateConnecting = 0
const wsReadyStateOpen = 1
@@ -73,10 +73,11 @@ const messageAwareness = 1
/**
* @param {Uint8Array} update
* @param {any} origin
* @param {any} _origin
* @param {WSSharedDoc} doc
* @param {any} _tr
*/
const updateHandler = (update, origin, doc) => {
const updateHandler = (update, _origin, doc, _tr) => {
const encoder = encoding.createEncoder()
encoding.writeVarUint(encoder, messageSync)
syncProtocol.writeUpdate(encoder, update)
@@ -124,7 +125,7 @@ class WSSharedDoc extends Y.Doc {
})
}
this.awareness.on('update', awarenessChangeHandler)
this.on('update', updateHandler)
this.on('update', /** @type {any} */ (updateHandler))
if (isCallbackSet) {
this.on('update', debounce(
callbackHandler,
@@ -135,6 +136,8 @@ class WSSharedDoc extends Y.Doc {
}
}
exports.WSSharedDoc = WSSharedDoc
/**
* Gets a Y.Doc by name, whether in memory or on disk
*
@@ -183,6 +186,7 @@ const messageListener = (conn, doc, message) => {
}
} catch (err) {
console.error(err)
// @ts-ignore
doc.emit('error', [err])
}
}