refactor for cross platform use

lib/util.js

@@ -0,0 +1,31 @@
+"use strict";
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const glob = __importStar(require("glob"));
+const fs_1 = require("fs");
+exports.parseConfig = (env) => {
+    return {
+        github_token: env.GITHUB_TOKEN || "",
+        github_ref: (env.GITHUB_REF || ""),
+        github_repository: env.GITHUB_REPOSITORY || "",
+        input_name: env.INPUT_NAME,
+        input_body: env.INPUT_BODY,
+        input_body_path: env.INPUT_BODY_PATH,
+        input_files: (env.INPUT_FILES || "").split(","),
+        input_draft: env.INPUT_DRAFT === 'true'
+    };
+};
+exports.paths = (patterns) => {
+    return patterns.reduce((acc, pattern) => {
+        return acc.concat(glob.sync(pattern).filter(path => fs_1.lstatSync(path).isFile()));
+    }, []);
+};
+exports.isTag = (ref) => {
+    return ref.startsWith("refs/tags/");
+};