i had to stop becuz online lesson

httpdocs/public/js/terminal.js

@@ -0,0 +1,207 @@
+const terminalContainer = document.getElementById("terminal");
+const hostname = `192.168.${Math.floor(Math.random() * 100)}.${Math.floor(Math.random() * 255)}`;
+let currentFolder = "~/";
+
+
+
+
+document.addEventListener("DOMContentLoaded", function () {
+
+    document.querySelector(".pathText").innerHTML = `guest@${hostname}`;
+
+    addInputEventListeners();
+
+});
+
+async function sendCommand(e){
+    const command = e.target.value;
+    // e.target.value = "";
+    // resizeInput();
+    deactivateAllStuff();
+
+    console.log("COMMAND SENT: "+command);
+
+    try {
+        // Construct the URL with the command parameter in the query string
+        const url = "/execute?command=" + encodeURIComponent(command) + "&currentDir=" + encodeURIComponent(currentFolder);
+
+        // Make a GET request using the fetch API
+        const response = await fetch(url);
+
+        if (!response.ok) {
+            throw new Error(`Error: ${response.status} - ${response.statusText}`);
+        }
+
+        // Parse the JSON response
+        const files = await response.json();
+
+        // Handle the execution response
+        handleExecutionResponse(files);
+    } catch (error) {
+        console.error("Error:", error.message);
+    }
+
+}
+
+
+
+function deactivateAllStuff() {
+    const blinkies = document.querySelectorAll(".pathBlinky");
+    for (let i = 0; i < blinkies.length; i++){
+        blinkies[i].remove();
+    }
+
+    const actives = document.querySelectorAll(".activeLine");
+    for (let i = 0; i < actives.length; i++){
+        actives[i].classList.remove("activeLine");
+    }
+
+    let input = document.getElementById("terminalInput");
+    input.disabled = true;
+    input.setAttribute("id", "");
+
+    console.log("deactivated inputs");
+}
+
+
+function handleExecutionResponse(response) {
+    if (response.command === "cd"){
+        currentFolder = response.directory
+    }
+
+
+    //Show Response
+    let commandResponse = document.createElement("div")
+    commandResponse.classList.add("terminalLine");
+
+    let textElement = document.createElement("span");
+    textElement.classList.add("responseText");
+    textElement.innerHTML = response.response;
+
+    commandResponse.appendChild(textElement)
+    terminalContainer.appendChild(commandResponse);
+    console.log("created response element")
+
+
+    //create new terminal line.
+    createNewTerminalLine();
+
+    addInputEventListeners();
+}
+
+
+
+
+
+function createNewTerminalLine(){
+    let newTerminalLine = document.createElement("div");
+    newTerminalLine.classList.add("terminalLine");
+    newTerminalLine.classList.add("activeLine");
+
+    let pathText = document.createElement("h4")
+    pathText.innerHTML=`guest@${hostname}`;
+    pathText.classList.add("pathText");
+
+    let pathColon = document.createElement("h4")
+    pathColon.innerHTML = ":";
+    pathColon.classList.add("pathColon");
+
+
+    let pathPath = document.createElement("h4");
+    pathPath.innerHTML = currentFolder;
+    pathPath.classList.add("pathPath");
+
+
+    let pathDollar = document.createElement("h4");
+    pathDollar.innerHTML = "$";
+    pathDollar.classList.add("pathDollar");
+
+
+    let newTerminalInput = document.createElement("input");
+    newTerminalInput.setAttribute("type", "text");
+    newTerminalInput.setAttribute("value", "");
+    newTerminalInput.setAttribute("id", "terminalInput");
+    newTerminalInput.classList.add("terminalInput");
+
+    let blinky = document.createElement("div");
+    blinky.classList.add("pathBlinky");
+
+    newTerminalLine.appendChild(pathText);
+    newTerminalLine.appendChild(pathColon);
+    newTerminalLine.appendChild(pathPath);
+    newTerminalLine.appendChild(pathDollar);
+    newTerminalLine.appendChild(newTerminalInput);
+    newTerminalLine.appendChild(blinky);
+
+    terminalContainer.appendChild(newTerminalLine)
+}
+
+
+function resizeInput() {
+    const inputText = terminalInput.value;
+    const inputWidth = measureTextWidth(inputText);
+    const maxWidth = 300; // Set your desired maximum width
+
+    if (inputWidth <= maxWidth) {
+        terminalInput.style.width = inputWidth + "px";
+    } else {
+        terminalInput.style.width = maxWidth + "px";
+        terminalInput.value = inputText.slice(0, -1); // Remove the last character
+    }
+}
+
+
+
+function measureTextWidth(text) {
+    const nonBreakingSpace = '\u00A0';
+    const sanitizedText = text.replace(/ /g, nonBreakingSpace);
+
+    const fakeElement = document.createElement("div");
+    fakeElement.style.visibility = "hidden";
+    fakeElement.style.position = "absolute";
+    fakeElement.style.top = "0";
+    fakeElement.style.left = "0";
+    fakeElement.style.width = "auto";
+    fakeElement.style.fontFamily = "Source Code Pro";
+    fakeElement.style.fontSize = "16px";
+    fakeElement.style.whiteSpace = "nowrap";
+    fakeElement.innerHTML = sanitizedText;
+
+    document.body.appendChild(fakeElement);
+    const width = fakeElement.offsetWidth;
+    document.body.removeChild(fakeElement);
+
+    return width;
+}
+
+function addInputEventListeners() {
+    const terminalInput = document.getElementById("terminalInput");
+
+    terminalInput.addEventListener("input", function (e) {
+        resizeInput();
+    });
+    resizeInput()
+
+    terminalInput.addEventListener('blur', function(e) {
+        e.preventDefault();
+        setTimeout(() => {
+            terminalInput.focus();
+        }, 0);
+    }, false);
+
+    document.addEventListener('click', function(e) {
+        e.preventDefault();
+        setTimeout(() => {
+            terminalInput.focus();
+        }, 0);
+    }, false);
+    terminalInput.focus();
+
+    terminalInput.addEventListener("keydown", async function (e) {
+        if (e.key === "Enter"){
+            await sendCommand(e);
+        }
+    })
+
+    return;
+}