First setup and teardown tests

test/e2e/parseShellOutput.js

@@ -0,0 +1,100 @@
+const escapeChar = "\u001b";
+const startMarker = `${escapeChar}[?2004l`;
+const endMarker = `${escapeChar}[?2004h`;
+
+export function parseShellOutput(rawData) {
+  const stringData = rawData.join("");
+
+  let output = getDataBetweenStartAndEndMarkers(stringData);
+  output = processBackspaces(output);
+  output = processEraseCommands(output);
+  output = removeOscSequences(output);
+  output = removeAnsiSgrSequences(output);
+  output = removeRemainingEscapeSequences(output);
+
+  return output.trim();
+}
+
+function getDataBetweenStartAndEndMarkers(data) {
+  if (!data.includes(startMarker) || !data.includes(endMarker)) {
+    return data;
+  }
+
+  const startIndex = data.indexOf(startMarker);
+  const endIndex = data.indexOf(endMarker, startIndex + startMarker.length);
+
+  if (startIndex === -1 || endIndex === -1) {
+    return "";
+  }
+
+  return data.slice(startIndex + startMarker.length, endIndex);
+}
+
+function processBackspaces(data) {
+  const result = [];
+
+  for (let i = 0; i < data.length; i++) {
+    const char = data[i];
+
+    if (char === "\b") {
+      // Backspace: remove the previous character if it exists
+      if (result.length > 0) {
+        result.pop();
+      }
+    } else {
+      result.push(char);
+    }
+  }
+
+  return result.join("");
+}
+
+function removeOscSequences(data) {
+  return data.replace(/\u001b\][0-9]*;[^\u0007\u001b]*(\u0007|\u001b\\)/g, "");
+}
+
+function removeAnsiSgrSequences(data) {
+  return data.replace(/\u001b\[[0-9;]*m/g, "");
+}
+
+function processEraseCommands(data) {
+  const lines = data.split("\n");
+  const result = [];
+
+  for (let line of lines) {
+    // Process erase in line commands
+    line = line.replace(/\u001b\[K/g, ""); // Erase to end of line
+    line = line.replace(/\u001b\[0K/g, ""); // Erase to end of line
+    line = line.replace(/\u001b\[1K/g, ""); // Erase from start of line to cursor
+    line = line.replace(/\u001b\[2K/g, ""); // Erase entire line - remove the whole line
+
+    // Skip lines that were completely erased
+    if (line.includes("\u001b[2K")) {
+      continue;
+    }
+
+    result.push(line);
+  }
+
+  // Process erase in display commands
+  let output = result.join("\n");
+  output = output.replace(/\u001b\[J/g, ""); // Erase to end of display
+  output = output.replace(/\u001b\[0J/g, ""); // Erase to end of display
+  output = output.replace(/\u001b\[1J/g, ""); // Erase from start to cursor
+  output = output.replace(/\u001b\[2J/g, ""); // Erase entire display
+
+  return output;
+}
+
+function removeRemainingEscapeSequences(data) {
+  // Remove mode setting sequences like \u001b[?1h, \u001b[?1l
+  data = data.replace(/\u001b\[\?[0-9]+[hl]/g, "");
+
+  // Remove any other CSI sequences we haven't handled
+  data = data.replace(/\u001b\[[0-9;?]*[A-Za-z]/g, "");
+
+  // Remove incomplete or malformed escape sequences
+  data = data.replace(/\u001b[^\u001b]*/g, "");
+
+  return data;
+}