feat: add cache file to gitignore

Author: mathio

.gitignore

@@ -36,3 +36,4 @@ yarn-error.log*
 # Misc
 .DS_Store
 *.pem
+i18n.cache

packages/cli/src/cli/cmd/i18n.ts

@@ -16,6 +16,7 @@ import { createTwoFilesPatch } from "diff";
 import inquirer from "inquirer";
 import externalEditor from "external-editor";
 import { cacheChunk, deleteCache, getNormalizedCache } from "../utils/cache";
+import updateGitignore from "../utils/update-gitignore";
 
 export default new Command()
   .command("i18n")
@@ -32,6 +33,8 @@ export default new Command()
   .option("--debug", "Debug mode")
   .option("--strict", "Stop on first error")
   .action(async function (options) {
+    updateGitignore();
+
     const ora = Ora();
     const flags = parseFlags(options);
 

packages/cli/src/cli/cmd/init.ts

@@ -12,6 +12,7 @@ import { getSettings, saveSettings } from "../utils/settings";
 import { createAuthenticator } from "../utils/auth";
 import findLocaleFiles from "../utils/find-locale-paths";
 import { ensurePatterns } from "../utils/ensure-patterns";
+import updateGitignore from "../utils/update-gitignore";
 
 const openUrl = (path: string) => {
   const settings = getSettings(undefined);
@@ -200,6 +201,8 @@ export default new InteractiveCommand()
       Ora().succeed(`Authenticated as ${auth.email}`);
     }
 
+    updateGitignore();
+
     if (!isInteractive) {
       Ora().info("Please see https://docs.lingo.dev/");
     }

packages/cli/src/cli/utils/update-gitignore.ts

@@ -0,0 +1,40 @@
+import fs from "fs";
+import path from "path";
+
+export default function updateGitignore() {
+  const cacheFile = "i18n.cache";
+  const projectRoot = findCurrentProjectRoot();
+  if (!projectRoot) {
+    return;
+  }
+  const gitignorePath = path.join(projectRoot, ".gitignore");
+  const gitignore = fs.readFileSync(gitignorePath, "utf8").split("\n");
+  const cacheIsIgnored = gitignore.includes(cacheFile);
+
+  if (!cacheIsIgnored) {
+    let content = "";
+
+    // Ensure there's a trailing newline
+    if (fs.existsSync(gitignorePath)) {
+      content = fs.readFileSync(gitignorePath, "utf8");
+      if (content !== "" && !content.endsWith("\n")) {
+        content += "\n";
+      }
+    }
+
+    content += `${cacheFile}\n`;
+    fs.writeFileSync(gitignorePath, content);
+  }
+}
+
+function findCurrentProjectRoot() {
+  let currentDir = process.cwd();
+  while (currentDir !== path.parse(currentDir).root) {
+    const gitDirPath = path.join(currentDir, ".git");
+    if (fs.existsSync(gitDirPath) && fs.lstatSync(gitDirPath).isDirectory()) {
+      return currentDir;
+    }
+    currentDir = path.dirname(currentDir);
+  }
+  return null;
+}