@antv/scale
Version:
Toolkit for mapping abstract data into visual representation.
112 lines • 4.11 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.localIntervalMap = exports.year = exports.week = exports.month = exports.day = exports.hour = exports.minute = exports.second = exports.millisecond = exports.createInterval = exports.DURATION_YEAR = exports.DURATION_MONTH = exports.DURATION_WEEK = exports.DURATION_DAY = exports.DURATION_HOUR = exports.DURATION_MINUTE = exports.DURATION_SECOND = void 0;
exports.DURATION_SECOND = 1000;
exports.DURATION_MINUTE = exports.DURATION_SECOND * 60;
exports.DURATION_HOUR = exports.DURATION_MINUTE * 60;
exports.DURATION_DAY = exports.DURATION_HOUR * 24;
exports.DURATION_WEEK = exports.DURATION_DAY * 7;
exports.DURATION_MONTH = exports.DURATION_DAY * 30;
exports.DURATION_YEAR = exports.DURATION_DAY * 365;
function createInterval(duration, floorish, offseti, field) {
const adjust = (date, step) => {
const test = (date) => field(date) % step === 0;
let i = step;
while (i && !test(date)) {
offseti(date, -1);
i -= 1;
}
return date;
};
const floori = (date, step) => {
if (step)
adjust(date, step);
floorish(date);
};
const floor = (date, step) => {
const d = new Date(+date);
floori(d, step);
return d;
};
const ceil = (date, step) => {
const d = new Date(+date - 1);
floori(d, step);
offseti(d, step);
floori(d);
return d;
};
const range = (start, stop, step, shouldAdjust) => {
const ticks = [];
const roundStep = Math.floor(step);
const t = shouldAdjust ? ceil(start, step) : ceil(start);
for (let i = t; i < stop; offseti(i, roundStep), floori(i)) {
ticks.push(new Date(+i));
}
return ticks;
};
return {
ceil,
floor,
range,
duration,
};
}
exports.createInterval = createInterval;
exports.millisecond = createInterval(1, (date) => date, (date, step = 1) => {
date.setTime(+date + step);
}, (date) => date.getTime());
exports.second = createInterval(exports.DURATION_SECOND, (date) => {
date.setMilliseconds(0);
}, (date, step = 1) => {
date.setTime(+date + exports.DURATION_SECOND * step);
}, (date) => date.getSeconds());
exports.minute = createInterval(exports.DURATION_MINUTE, (date) => {
date.setSeconds(0, 0);
}, (date, step = 1) => {
date.setTime(+date + exports.DURATION_MINUTE * step);
}, (date) => date.getMinutes());
exports.hour = createInterval(exports.DURATION_HOUR, (date) => {
date.setMinutes(0, 0, 0);
}, (date, step = 1) => {
date.setTime(+date + exports.DURATION_HOUR * step);
}, (date) => date.getHours());
exports.day = createInterval(exports.DURATION_DAY, (date) => {
date.setHours(0, 0, 0, 0);
}, (date, step = 1) => {
date.setTime(+date + exports.DURATION_DAY * step);
}, (date) => date.getDate() - 1);
exports.month = createInterval(exports.DURATION_MONTH, (date) => {
date.setDate(1);
date.setHours(0, 0, 0, 0);
}, (date, step = 1) => {
const month = date.getMonth();
date.setMonth(month + step);
}, (date) => date.getMonth());
exports.week = createInterval(exports.DURATION_WEEK, (date) => {
date.setDate(date.getDate() - (date.getDay() % 7));
date.setHours(0, 0, 0, 0);
}, (date, step = 1) => {
date.setDate(date.getDate() + 7 * step);
}, (date) => {
const start = exports.month.floor(date);
const end = new Date(+date);
return Math.floor((+end - +start) / exports.DURATION_WEEK);
});
exports.year = createInterval(exports.DURATION_YEAR, (date) => {
date.setMonth(0, 1);
date.setHours(0, 0, 0, 0);
}, (date, step = 1) => {
const year = date.getFullYear();
date.setFullYear(year + step);
}, (date) => date.getFullYear());
exports.localIntervalMap = {
millisecond: exports.millisecond,
second: exports.second,
minute: exports.minute,
hour: exports.hour,
day: exports.day,
week: exports.week,
month: exports.month,
year: exports.year,
};
//# sourceMappingURL=time-interval.js.map