chore: import upstream snapshot with attribution

2026-07-13 12:39:44 +08:00
commit 93aa9c11ee
64 changed files with 11530 additions and 0 deletions
@@ -0,0 +1,40 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+export function ensureAbsolutePath(cwd, maybePath) {
+  return path.isAbsolute(maybePath) ? maybePath : path.resolve(cwd, maybePath);
+}
+
+export function createTempDir(prefix = "codex-plugin-") {
+  return fs.mkdtempSync(path.join(os.tmpdir(), prefix));
+}
+
+export function readJsonFile(filePath) {
+  return JSON.parse(fs.readFileSync(filePath, "utf8"));
+}
+
+export function writeJsonFile(filePath, value) {
+  fs.writeFileSync(filePath, `${JSON.stringify(value, null, 2)}\n`, "utf8");
+}
+
+export function safeReadFile(filePath) {
+  return fs.existsSync(filePath) ? fs.readFileSync(filePath, "utf8") : "";
+}
+
+export function isProbablyText(buffer) {
+  const sample = buffer.subarray(0, Math.min(buffer.length, 4096));
+  for (const value of sample) {
+    if (value === 0) {
+      return false;
+    }
+  }
+  return true;
+}
+
+export function readStdinIfPiped() {
+  if (process.stdin.isTTY) {
+    return "";
+  }
+  return fs.readFileSync(0, "utf8");
+}