feat: add unsafe mode

Author: pnodet

Diff for: src/biome.ts

@@ -108,12 +108,21 @@ const convertBiomeResult = (
   };
 };
 
-const biomeLintFile = async (biome: Biome, filePath: string, fix = true) => {
+const biomeLintFile = async (
+  biome: Biome,
+  filePath: string,
+  fix = true,
+  unsafe = false,
+) => {
   const initialContent = await readFile(filePath, "utf8");
 
   const result = biome.lintContent(initialContent, {
     filePath,
-    fixFileMode: fix ? "SafeFixes" : undefined,
+    fixFileMode: fix
+      ? unsafe
+        ? "SafeAndUnsafeFixes"
+        : "SafeFixes"
+      : undefined,
   });
 
   if (fix) {
@@ -132,13 +141,14 @@ const biomeLintFile = async (biome: Biome, filePath: string, fix = true) => {
 const biomeLintFiles = async (
   biome: Biome,
   files: string[],
-  fix = true,
   concurrency: number = os.cpus().length,
+  fix = true,
+  unsafe = false,
 ) => {
   const limit = pLimit(concurrency);
   const results = await Promise.all(
     files.map((file) =>
-      limit(async () => await biomeLintFile(biome, file, fix)),
+      limit(async () => await biomeLintFile(biome, file, fix, unsafe)),
     ),
   );
 
@@ -229,6 +239,7 @@ export const lintWithBiome = async (
   concurrency: number = os.cpus().length,
   fix = true,
   debug = false,
+  unsafe = false,
 ) => {
   if (debug) {
     performance.mark("biome-start");
@@ -240,7 +251,13 @@ export const lintWithBiome = async (
 
   biome.applyConfiguration(getBiomeConfig());
 
-  const biomeResults = await biomeLintFiles(biome, files, fix, concurrency);
+  const biomeResults = await biomeLintFiles(
+    biome,
+    files,
+    concurrency,
+    fix,
+    unsafe,
+  );
 
   if (debug) {
     performance.mark("biome-end");

Diff for: src/index.ts

@@ -43,10 +43,15 @@ const instance = yargs(hideBin(process.argv))
           description:
             "Number of concurrent linting processes (default: number of CPU cores)",
         })
+        .option("unsafe", {
+          type: "boolean",
+          default: false,
+          description: "Allow unsafe fixes",
+        })
         .help(),
     async (args) => {
+      const { files: files_, fix, debug, concurrency, unsafe } = args;
       try {
-        const { files: files_, fix, debug, concurrency } = args;
         const patterns = Array.isArray(files_) ? files_ : [files_];
 
         const eslint = new ESLint({
@@ -71,6 +76,7 @@ const instance = yargs(hideBin(process.argv))
           concurrency,
           fix,
           debug,
+          unsafe,
         );
 
         const resultText = await formatter.format(
@@ -86,7 +92,16 @@ const instance = yargs(hideBin(process.argv))
           }
         }
       } catch (error) {
-        console.error(error);
+        if (debug) {
+          console.error(error);
+        } else {
+          console.error(
+            "An error occurred during linting:",
+            (error as Error).message,
+          );
+          console.error("Run with --debug for more information");
+        }
+
         process.exit(1);
       }
     },