commit 33cff573744a53e41c47e08be091c340f38f0287 · gracekind.net/tangled-pages

+24 -4

src/knot-event-listener.js

···

       1
       1
        
       import EventEmitter from "node:events";

     

       2
       2
        
       

     

       3
       3
        
       export class KnotEventListener extends EventEmitter {

     

       4
       4
       -
         constructor({ knotDomain }) {

     

       4
       4
       +
         constructor({ knotDomain, reconnectTimeout = 10000 }) {

     

       5
       5
        
           super();

     

       6
       6
        
           this.knotDomain = knotDomain;

     

       7
       7
       +
           this.reconnectTimeout = reconnectTimeout;

     

       8
       8
       +
           this.connection = null;

     

       7
       9
        
         }

     

       8
       10
        
       

     

       9
       11
        
         async start() {

     

       10
       10
       -
           const ws = new WebSocket(`wss://${this.knotDomain}/events`);

     

       11
       11
       -
           ws.onmessage = (event) => this.handleMessage(event);

     

       12
       12
       +
           this.connection = new WebSocket(`wss://${this.knotDomain}/events`);

     

       13
       13
       +
           this.connection.onmessage = (event) => this.handleMessage(event);

     

       14
       14
       +
           this.connection.onerror = (event) => this.handleError(event);

     

       15
       15
       +
           this.connection.onclose = () => this.handleClose();

     

       12
       16
        
           return new Promise((resolve) => {

     

       13
       13
       -
             ws.onopen = () => {

     

       17
       17
       +
             this.connection.onopen = () => {

     

       14
       18
        
               console.log("Knot event listener connected to:", this.knotDomain);

     

       15
       19
        
               resolve();

     

       16
       20
        
             };

     
···

       27
       31
        
               },

     

       28
       32
        
             };

     

       29
       33
        
             this.emit("refUpdate", event);

     

       34
       34
       +
           }

     

       35
       35
       +
         }

     

       36
       36
       +
       

     

       37
       37
       +
         handleError(event) {

     

       38
       38
       +
           console.error("Knot event listener error:", event);

     

       39
       39
       +
           this.emit("error", event);

     

       40
       40
       +
         }

     

       41
       41
       +
       

     

       42
       42
       +
         handleClose() {

     

       43
       43
       +
           console.log("Knot event listener closed");

     

       44
       44
       +
           this.emit("close");

     

       45
       45
       +
           if (this.reconnectTimeout) {

     

       46
       46
       +
             setTimeout(() => {

     

       47
       47
       +
               console.log("Knot event listener reconnecting...");

     

       48
       48
       +
               this.start();

     

       49
       49
       +
             }, this.reconnectTimeout).unref();

     

       30
       50
        
           }

     

       31
       51
        
         }

     

       32
       52
        
       }

+17 -3

src/pages-service.js

···

       7
       7
        
       import { KnotClient } from "./knot-client.js";

     

       8
       8
        
       

     

       9
       9
        
       class FileCache {

     

       10
       10
       -
         constructor() {

     

       10
       10
       +
         constructor({ maxSize } = {}) {

     

       11
       11
        
           this.cache = new Map();

     

       12
       12
       +
           this.maxSize = maxSize;

     

       12
       13
        
         }

     

       13
       14
        
       

     

       14
       15
        
         get(filename) {

     
···

       17
       18
        
       

     

       18
       19
        
         set(filename, content) {

     

       19
       20
        
           this.cache.set(filename, content);

     

       21
       21
       +
           // Evict oldest item if cache is full

     

       22
       22
       +
           if (this.maxSize && this.cache.size > this.maxSize) {

     

       23
       23
       +
             const oldestKey = this.cache.keys().next().value;

     

       24
       24
       +
             this.cache.delete(oldestKey);

     

       25
       25
       +
           }

     

       20
       26
        
         }

     

       21
       27
        
       

     

       22
       28
        
         clear() {

     
···

       49
       55
        
           this.fileCache = null;

     

       50
       56
        
           if (cache) {

     

       51
       57
        
             console.log("Enabling cache for", this.ownerDid, this.repoName);

     

       52
       52
       -
             this.fileCache = new FileCache();

     

       58
       58
       +
             this.fileCache = new FileCache({ maxSize: 100 });

     

       53
       59
        
           }

     

       54
       60
        
         }

     

       55
       61
        
       

     
···

       66
       72
        
           } else {

     

       67
       73
        
             content = blob.contents;

     

       68
       74
        
           }

     

       69
       69
       -
           this.fileCache?.set(filename, content);

     

       75
       75
       +
           if (this.fileCache && content) {

     

       76
       76
       +
             const contentSize = Buffer.isBuffer(content)

     

       77
       77
       +
               ? content.length

     

       78
       78
       +
               : Buffer.byteLength(content, "utf8");

     

       79
       79
       +
             // Cache unless content is too large (5MB)

     

       80
       80
       +
             if (contentSize < 5 * 1024 * 1024) {

     

       81
       81
       +
               this.fileCache.set(filename, content);

     

       82
       82
       +
             }

     

       83
       83
       +
           }

     

       70
       84
        
           return content;

     

       71
       85
        
         }

     

       72
       86