Remove check for label values for offset calculation

src/scales/scale.time.js

@@ -334,28 +334,19 @@ function generate(min, max, minor, major, capacity, options) {
  * Returns the right and left offsets from edges in the form of {left, right}.
  * Offsets are added when the `offset` option is true.
  */
-function computeOffsets(table, ts, min, max, options) {
+function computeOffsets(table, data, min, max, options) {
  var left = 0;
  var right = 0;
  var timestamps = [];
  var i, ilen, timestamp, length, upper, lower, divisor;
 
  if (options.offset) {
- // First, it processes `ts.labels` to pick up timestamps of labels, which are
- // primarily used for offset calculation because bars are usually on labels.
- // But if there are no labels, it should add offsets based on `ts.data` because
- // we support bars with {x, y} data points as well. That is the second path.
- [ts.labels, ts.data].forEach(function(data) {
- if (!timestamps.length) {
- // Remove timestamps outside the min/max range
- for (i = 0, ilen = data.length; i < ilen; ++i) {
- timestamp = data[i];
- if (timestamp >= min && timestamp <= max) {
- timestamps.push(timestamp);
- }
- }
+ for (i = 0, ilen = data.length; i < ilen; ++i) {
+ timestamp = data[i];
+ if (timestamp >= min && timestamp <= max) {
+ timestamps.push(timestamp);
  }
- });
+ }
 
  length = timestamps.length;
  if (length) {
@@ -608,7 +599,7 @@ module.exports = function(Chart) {
  me._minorFormat = formats[unit];
  me._majorFormat = formats[majorUnit];
  me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution);
- me._offsets = computeOffsets(me._table, me._timestamps, min, max, options);
+ me._offsets = computeOffsets(me._table, me._timestamps.data, min, max, options);
 
  return ticksFromTimestamps(ticks, majorUnit);
  },