refactor(cli): share windows argv normalization

src/cli/windows-argv.ts

@@ -0,0 +1,78 @@
+import fs from "node:fs";
+import path from "node:path";
+
+export function normalizeWindowsArgv(argv: string[]): string[] {
+  if (process.platform !== "win32") {
+    return argv;
+  }
+  if (argv.length < 2) {
+    return argv;
+  }
+
+  const stripControlChars = (value: string): string => {
+    let out = "";
+    for (let i = 0; i < value.length; i += 1) {
+      const code = value.charCodeAt(i);
+      if (code >= 32 && code !== 127) {
+        out += value[i];
+      }
+    }
+    return out;
+  };
+
+  const normalizeArg = (value: string): string =>
+    stripControlChars(value)
+      .replace(/^['"]+|['"]+$/g, "")
+      .trim();
+  const normalizeCandidate = (value: string): string =>
+    normalizeArg(value).replace(/^\\\\\\?\\/, "");
+
+  const execPath = normalizeCandidate(process.execPath);
+  const execPathLower = execPath.toLowerCase();
+  const execBase = path.basename(execPath).toLowerCase();
+  const isExecPath = (value: string | undefined): boolean => {
+    if (!value) {
+      return false;
+    }
+    const normalized = normalizeCandidate(value);
+    if (!normalized) {
+      return false;
+    }
+    const lower = normalized.toLowerCase();
+    return (
+      lower === execPathLower ||
+      path.basename(lower) === execBase ||
+      lower.endsWith("\\node.exe") ||
+      lower.endsWith("/node.exe") ||
+      lower.includes("node.exe") ||
+      (path.basename(lower) === "node.exe" && fs.existsSync(normalized))
+    );
+  };
+
+  const next = [...argv];
+  for (let i = 1; i <= 3 && i < next.length; ) {
+    if (isExecPath(next[i])) {
+      next.splice(i, 1);
+      continue;
+    }
+    i += 1;
+  }
+  const filtered = next.filter((arg, index) => index === 0 || !isExecPath(arg));
+  if (filtered.length < 3) {
+    return filtered;
+  }
+  const cleaned = [...filtered];
+  for (let i = 2; i < cleaned.length; ) {
+    const arg = cleaned[i];
+    if (!arg || arg.startsWith("-")) {
+      i += 1;
+      continue;
+    }
+    if (isExecPath(arg)) {
+      cleaned.splice(i, 1);
+      continue;
+    }
+    break;
+  }
+  return cleaned;
+}