en_tn_lite_do_not_use/jos/14/14.md

to this day

This refers to the period of time in which the author wrote this book.

he completely followed Yahweh

Being loyal to Yahweh is spoken of as if it were completely following Yahweh. Alternate translation: "he remained loyal to Yahweh" (See: rc://en/ta/man/jit/figs-metaphor)