72 lines
2.3 KiB
JavaScript
72 lines
2.3 KiB
JavaScript
import {timeYear, timeMonth, timeWeek, timeDay, timeHour, timeMinute, timeSecond, timeTicks, timeTickInterval} from "d3-time";
|
|
import {timeFormat} from "d3-time-format";
|
|
import continuous, {copy} from "./continuous.js";
|
|
import {initRange} from "./init.js";
|
|
import nice from "./nice.js";
|
|
|
|
function date(t) {
|
|
return new Date(t);
|
|
}
|
|
|
|
function number(t) {
|
|
return t instanceof Date ? +t : +new Date(+t);
|
|
}
|
|
|
|
export function calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format) {
|
|
var scale = continuous(),
|
|
invert = scale.invert,
|
|
domain = scale.domain;
|
|
|
|
var formatMillisecond = format(".%L"),
|
|
formatSecond = format(":%S"),
|
|
formatMinute = format("%I:%M"),
|
|
formatHour = format("%I %p"),
|
|
formatDay = format("%a %d"),
|
|
formatWeek = format("%b %d"),
|
|
formatMonth = format("%B"),
|
|
formatYear = format("%Y");
|
|
|
|
function tickFormat(date) {
|
|
return (second(date) < date ? formatMillisecond
|
|
: minute(date) < date ? formatSecond
|
|
: hour(date) < date ? formatMinute
|
|
: day(date) < date ? formatHour
|
|
: month(date) < date ? (week(date) < date ? formatDay : formatWeek)
|
|
: year(date) < date ? formatMonth
|
|
: formatYear)(date);
|
|
}
|
|
|
|
scale.invert = function(y) {
|
|
return new Date(invert(y));
|
|
};
|
|
|
|
scale.domain = function(_) {
|
|
return arguments.length ? domain(Array.from(_, number)) : domain().map(date);
|
|
};
|
|
|
|
scale.ticks = function(interval) {
|
|
var d = domain();
|
|
return ticks(d[0], d[d.length - 1], interval == null ? 10 : interval);
|
|
};
|
|
|
|
scale.tickFormat = function(count, specifier) {
|
|
return specifier == null ? tickFormat : format(specifier);
|
|
};
|
|
|
|
scale.nice = function(interval) {
|
|
var d = domain();
|
|
if (!interval || typeof interval.range !== "function") interval = tickInterval(d[0], d[d.length - 1], interval == null ? 10 : interval);
|
|
return interval ? domain(nice(d, interval)) : scale;
|
|
};
|
|
|
|
scale.copy = function() {
|
|
return copy(scale, calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format));
|
|
};
|
|
|
|
return scale;
|
|
}
|
|
|
|
export default function time() {
|
|
return initRange.apply(calendar(timeTicks, timeTickInterval, timeYear, timeMonth, timeWeek, timeDay, timeHour, timeMinute, timeSecond, timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments);
|
|
}
|