wip: fix misusage of cdp api

chromium.js

@@ -5,6 +5,10 @@ class HeadlessChromium
 		this.websocket = websocket
 	}
 
+	// session websocket != page websocket
+	// page websocket can be found at localhost:<port>/json/version
+	// at webSocketDebuggerUrl where targetId = id
+	// question? how to make localhost GET request to get this resource ...
 	async runCommand(command, params = {})
 	{
 		return new Promise((resolve, reject) => {
@@ -19,17 +23,17 @@ class HeadlessChromium
 				server.close()
 				var data = JSON.parse(response.data)
 
-				if ('result' in data)
-				{
-					resolve(data.result)
-				}
-	
 				if ('error' in data)
 				{
 					reject(data.error)
 				}
 
-				reject(data)
+				if ('result' in data)
+				{
+					resolve(data.result)
+				}
+
+				resolve(data)
 			}
 
 			server.onerror = (error) => {
@@ -59,21 +63,23 @@ class HeadlessChromium
 		return await this.runCommand("Page.enable")
 	}
 
-	async openNewPage(url)
+	async openNewPage(url, width = 1920, height = 1080)
 	{
-		var response = await this.runCommand("Target.createTarget", {url: url})
+		var response = await this.runCommand("Target.createTarget", {url: url, width: width, height: height})
 		return response.targetId
 	}
 
 	async closePage(page)
 	{
-		var response = await this.runCommand("Target.closeTarget", {targetId: page})
-		return response.success
+		return await this.runCommand("Target.closeTarget", {targetId: page})
 	}
 
 	async focusPage(page)
 	{
 		await this.runCommand("Target.activateTarget", {targetId: page})
+		var response = await this.runCommand("Target.attachToTarget", {targetId: page})
+		await this.runCommand(response.method, response.params)
+		console.log(response)
 	}
 
 	async printToPdf()
@@ -81,4 +87,14 @@ class HeadlessChromium
 		var response = await this.runCommand("Page.printToPDF")
 		return response
 	}
+
+	async canEmulate()
+	{
+		return await this.runCommand("Emulation.canEmulate")
+	}
+
+	async getPages()
+	{
+		return await this.runCommand("Target.getTargets")
+	}
 }

connection.js

+
+var xmlHttp = new XMLHttpRequest();
+xmlHttp.open("GET", "http://localhost:9222/json/version", false);
+xmlHttp.send(null);
+console.log(xmlHttp.responseText);
\ No newline at end of file

index.html

@@ -14,8 +14,13 @@
 
     		async function html2pdf(url)
     		{
+				var pdf = await browser.getPages()
+				console.log(pdf)
+				return
+
 				var page = await browser.openNewPage(url)
 				await browser.focusPage(page)
+				await browser.enablePage()
 				var pdf = browser.printToPdf()
 				await browser.closePage(page)
 				return pdf