A hash of components to be made available to the Vue instance.
t { assert(VUEMain.components("a","b").components == ["a":"b"]); assert(VUEMain.components("a","b").components == ["a":"b"]); assert(VUEMain.components("a","b").components("x","y").components == ["a":"b", "x":"y"]); // assert(VUEMain.components("a","b").components("x","y").removeComponents("a").components == ["x":"y"]); assert(VUEMain.components("a","b").components("a","y").components == ["a":"y"]); // assert(VUEMain.components("a","b").clearComponents.components == null)