Module
Renders the course's modules in sequence order, each with its lessons listed below. lessonsByModuleId is the precomputed map of moduleId → lessons (sorted by sequence) that the page passes in.
sequence
lessonsByModuleId
Renders the course's modules in
sequenceorder, each with its lessons listed below.lessonsByModuleIdis the precomputed map of moduleId → lessons (sorted by sequence) that the page passes in.