add firefox and webkit options

Most of the websites work fine but there are some cases that don't.

For webkit:

offline/frames
online/kittygame

For firefox:

online/game-of-life
online/video

src/analyser.cts

@@ -1,4 +1,4 @@
-import { Browser, chromium, Frame, Page, Worker } from 'playwright'
+import { Browser, chromium, firefox, Frame, Page, webkit, Worker } from 'playwright'
 import { createMeasure, StopMeasure } from './performance.cjs'
 import fs from 'fs/promises'
 import { Trace } from './tracer.cjs'
@@ -14,19 +14,18 @@ export type AnalysisResult = {
     wasm: number[]
 }[]
 
-type Options = { extended?: boolean, noRecord?: boolean }
 export default class Analyser {
 
     private analysisPath: string
-    private options: Options
+    private options
     private browser: Browser
     private page: Page
     private contexts: (Frame | Worker)[] = []
     private isRunning = false
     private p_measureUserInteraction: StopMeasure
 
 
-    constructor(analysisPath: string, options: Options = { extended: false, noRecord: false }) {
+    constructor(analysisPath: string, options) {
         this.analysisPath = analysisPath
         this.options = options
     }
@@ -37,7 +36,8 @@ export default class Analyser {
         }
         const p_measureStart = createMeasure('start', { phase: 'record', description: `The time it takes start the chromium browser and open the webpage until the 'load' event is fired.` })
         this.isRunning = true
-        this.browser = await chromium.launch({ // chromium version: 119.0.6045.9 (Developer Build) (x86_64); V8 version: V8 11.9.169.3; currently in node I run version 11.8.172.13-node.12
+        let browser = this.options.firefox ? firefox : this.options.webkit ? webkit : chromium;
+        this.browser = await browser.launch({ // chromium version: 119.0.6045.9 (Developer Build) (x86_64); V8 version: V8 11.9.169.3; currently in node I run version 11.8.172.13-node.12
             headless, args: [
                 // '--disable-web-security',
                 '--js-flags="--max_old_space_size=8192"',

tests/run-tests.cts

@@ -314,7 +314,7 @@ async function testWebPage(testPath: string, options): Promise<TestReport> {
   let analysisResult: AnalysisResult
   try {
     const p_roundTrip = createMeasure('round-trip time', { description: 'The time it takes to start the browser instance, load the webpage, record the interaction, download the data, and generate the replay', phase: 'all' })
-    const analyser = new Analyser('./dist/src/tracer.cjs', { extended })
+    const analyser = new Analyser('./dist/src/tracer.cjs', options)
     analysisResult = await (await import(testJsPath)).default(analyser)
     const blockExtended = analyser.getExtended()
 
@@ -385,7 +385,9 @@ async function testWebPage(testPath: string, options): Promise<TestReport> {
     { name: 'jsBackend', alias: 'j', type: Boolean },
     { name: 'category', type: String, multiple: true, defaultOption: true },
     { name: 'testcases', alias: 't', type: String, multiple: true },
-    { name: 'legacyBackend', alias: 'l', type: Boolean }
+    { name: 'legacyBackend', alias: 'l', type: Boolean },
+    { name: 'firefox', alias: 'f', type: Boolean },
+    { name: 'webkit', alias: 'w', type: Boolean }
   ]
   const options = commandLineArgs(optionDefinitions)
   if (options.category === undefined || options.category.includes('node')) {