WIP - add extractor, generate snippet_data

node_modules/stable/index.d.ts

@@ -0,0 +1,9 @@
+export as namespace stable;
+export = stable;
+
+type Comparator<T> = ((a : T, b : T)=>boolean) | ((a: T, b : T)=>number);
+
+declare function stable<T>(array : T[], comparator? : Comparator<T>) : T[];
+declare namespace stable {
+    export function inplace<T>(array: T[], comparator? : Comparator<T>) : T[];
+}