Bar graph added.

node_modules/vega-time/index.js

@@ -0,0 +1,41 @@
+export {
+  TIME_UNITS,
+  YEAR,
+  QUARTER,
+  MONTH,
+  WEEK,
+  DATE,
+  DAY,
+  DAYOFYEAR,
+  HOURS,
+  MINUTES,
+  SECONDS,
+  MILLISECONDS,
+  timeUnitSpecifier,
+  timeUnits
+} from './src/units';
+
+export {
+  dayofyear,
+  week,
+  utcdayofyear,
+  utcweek
+} from './src/util';
+
+export {
+  timeFloor,
+  utcFloor
+} from './src/floor';
+
+export {
+  timeInterval,
+  timeOffset,
+  timeSequence,
+  utcInterval,
+  utcOffset,
+  utcSequence
+} from './src/interval';
+
+export {
+  default as timeBin
+} from './src/bin';