convert to ESM

classes/caching/file_system_cache.js

@@ -1,7 +1,7 @@
-const FPersist = require('fpersist');
-const KeyTimeout = require('./key_timeout.js');
+import FPersist from 'fpersist';
+import { KeyTimeout } from './key_timeout.js';
 
-module.exports = class FileSystemCache {
+export class FileSystemCache {
   constructor(options = {}) {
     this.ttl = options.ttl;
     this.keyTimeout = new KeyTimeout();
@@ -26,4 +26,4 @@ module.exports = class FileSystemCache {
       this.keyTimeout.updateTimeout(key, this.ttl, () => this.remove(key));
     }
   }
-};
+}

classes/caching/key_timeout.js

@@ -1,4 +1,4 @@
-module.exports = class KeyTimeout {
+export class KeyTimeout {
   constructor() {
     this.timeoutHandleForKey = {};
   }
@@ -13,4 +13,4 @@ module.exports = class KeyTimeout {
       callback();
     }, durationMs);
   }
-};
+}

classes/caching/memory_cache.js

@@ -1,6 +1,6 @@
-const KeyTimeout = require('./key_timeout.js');
+import { KeyTimeout } from './key_timeout.js';
 
-module.exports = class MemoryCache {
+export class MemoryCache {
   constructor(options = {}) {
     this.ttl = options.ttl;
     this.keyTimeout = new KeyTimeout();
@@ -23,4 +23,4 @@ module.exports = class MemoryCache {
       this.keyTimeout.updateTimeout(key, this.ttl, () => this.remove(key));
     }
   }
-};
+}

classes/headers.js

@@ -1,4 +1,4 @@
-class Headers {
+export class Headers {
   constructor(rawHeaders) {
     this.rawHeaders = rawHeaders;
   }
@@ -29,5 +29,3 @@ class Headers {
     return this.rawHeaders;
   }
 }
-
-module.exports = Headers;

classes/response.js

@@ -1,7 +1,7 @@
-const stream = require('stream');
-const Headers = require('./headers.js');
+import stream from 'stream';
+import { Headers } from './headers.js';
 
-class Response {
+export class Response {
   constructor(raw, ejectSelfFromCache, fromCache) {
     Object.assign(this, raw);
     this.ejectSelfFromCache = ejectSelfFromCache;
@@ -43,5 +43,3 @@ class Response {
     return this.ejectSelfFromCache();
   }
 }
-
-module.exports = Response;