1 files changed, 38 insertions, 0 deletions
diff --git a/src/Util.ts b/src/Util.ts
new file mode 100644
index 00000000..291372c1
--- /dev/null
+++ b/src/Util.ts
@@ -0,0 +1,38 @@
+import fs from "fs/promises";
+import "missing-native-js-functions";
+
+export interface traverseDirectoryOptions {
+ dirname: string;
+ filter?: RegExp;
+ excludeDirs?: RegExp;
+ recursive?: boolean;
+}
+
+const DEFAULT_EXCLUDE_DIR = /^\./;
+const DEFAULT_FILTER = /^([^\.].*)\.js$/;
+
+export async function traverseDirectory<T>(
+ options: traverseDirectoryOptions,
+ action: (path: string) => T
+): Promise<T[]> {
+ if (!options.filter) options.filter = DEFAULT_FILTER;
+ if (!options.excludeDirs) options.excludeDirs = DEFAULT_EXCLUDE_DIR;
+
+ const routes = await fs.readdir(options.dirname);
+ const promises = <Promise<T | T[] | undefined>[]>routes.map(async (file) => {
+ const path = options.dirname + file;
+ const stat = await fs.lstat(path);
+ if (path.match(<RegExp>options.excludeDirs)) return;
+
+ if (stat.isFile() && path.match(<RegExp>options.filter)) {
+ return action(path);
+ } else if (options.recursive && stat.isDirectory()) {
+ return traverseDirectory({ ...options, dirname: path + "/" }, action);
+ }
+ });
+ const result = await Promise.all(promises);
+
+ const t = <(T | undefined)[]>result.flat();
+
+ return <T[]>t.filter((x) => x != undefined);
+}
|
