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52 lines
1.8 KiB
52 lines
1.8 KiB
import { identity } from '@antv/util';
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import { format } from 'fecha';
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import { Continuous } from './continuous';
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import { d3Time } from '../tick-methods/d3-time';
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import { d3TimeNice, createInterpolateNumber, localIntervalMap, utcIntervalMap, chooseNiceTimeMask } from '../utils';
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function offset(date) {
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const minuteOffset = date.getTimezoneOffset();
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const d = new Date(date);
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d.setMinutes(d.getMinutes() + minuteOffset, d.getSeconds(), d.getMilliseconds());
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return d;
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}
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export class Time extends Continuous {
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getDefaultOptions() {
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return {
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domain: [new Date(2000, 0, 1), new Date(2000, 0, 2)],
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range: [0, 1],
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nice: false,
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tickCount: 5,
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tickInterval: undefined,
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unknown: undefined,
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clamp: false,
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tickMethod: d3Time,
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interpolate: createInterpolateNumber,
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mask: undefined,
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utc: false,
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};
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}
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chooseTransforms() {
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const transform = (x) => +x;
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const untransform = (x) => new Date(x);
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return [transform, untransform];
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}
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chooseNice() {
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return d3TimeNice;
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}
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getTickMethodOptions() {
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const { domain, tickCount, tickInterval, utc } = this.options;
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const min = domain[0];
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const max = domain[domain.length - 1];
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return [min, max, tickCount, tickInterval, utc];
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}
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getFormatter() {
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const { mask, utc } = this.options;
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const maskMap = utc ? utcIntervalMap : localIntervalMap;
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const time = utc ? offset : identity; // fecha 不支持 utc 格式化，所以需要设置一个偏移
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return (d) => format(time(d), mask || chooseNiceTimeMask(d, maskMap));
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}
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clone() {
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return new Time(this.options);
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}
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}
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//# sourceMappingURL=time.js.map
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