import “interval”; import “time”;

d3.time.second = d3_time_interval(function(date) {

return new d3_time(Math.floor(date / 1e3) * 1e3);

}, function(date, offset) {

date.setTime(date.getTime() + Math.floor(offset) * 1e3); // DST breaks setSeconds

}, function(date) {

return date.getSeconds();

});

d3.time.seconds = d3.time.second.range; d3.time.seconds.utc = d3.time.second.utc.range;