find-insert-index Find the index to insert an element in array keeping the sort order. Example var findInsertIndex, comparatorFn; findInsertIndex = require('find-insert-index'); comparatorFn = function (a, b) { return a.id - b.id; }; findInsertIndex(comparatorFn, [{id: 7}, {id: 8}], {id: 7}); // 1