feat: add cjs projects support

lib/index.cjs

@@ -0,0 +1,30 @@
+/**
+ * @fileoverview eslint ignore files automatically(cjs projects).
+ * @author 唯然<[email protected]>
+ */
+const process = require("process");
+const fs = require("fs");
+const path = require("path");
+
+/**
+ * @param {object} [opts]
+ * @param {string} [opts.cwd]
+ * @param {string} [opts.filename]
+ * @param {string[]?} [opts.extraIgnores]
+ * @returns {{ignores: string[]}} the list of ignored files
+ */
+module.exports.ignores = function ignores(opts = {}) {
+  const ignoreFile = path.join(
+    opts.cwd || process.cwd(),
+    opts.filename || ".gitignore"
+  );
+  const text = fs.readFileSync(ignoreFile, "utf-8");
+  const lines = text
+    .split(/(\r\n|\n)+/)
+    .map((line) => line.trim())
+    .filter((line) => line && !line.startsWith("#"));
+
+  return {
+    ignores: [...lines, ...(opts.extraIgnores || [])],
+  };
+}

lib/index.js

@@ -1,5 +1,5 @@
 /**
- * @fileoverview eslint ignore files automatically.
+ * @fileoverview eslint ignore files automatically(esm projects).
  * @author 唯然<[email protected]>
  */
 import process from "process";

package.json

@@ -13,7 +13,13 @@
   "author": "唯然<[email protected]",
   "type": "module",
   "main": "./lib/index.js",
-  "exports": "./lib/index.js",
+  "exports": {
+    ".": {
+      "require": "./lib/index.js",
+      "import": "./lib/index.js",
+      "typings": "./lib/index.d.ts"
+    }
+  },
   "typings": "./lib/index.d.ts",
   "files": [
     "LICENSE",