@progress/kendo-angular-schematics/src/third_party/d3fc/day.js

Kendo UI Schematics for Angular

/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
// The following source code is copied from https://github.com/d3/d3-time

// Copyright 2010-2022 Mike Bostock

// Permission to use, copy, modify, and/or distribute this software for any purpose
// with or without fee is hereby granted, provided that the above copyright notice
// and this permission notice appear in all copies.

// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
// OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
// TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
// THIS SOFTWARE.

const { timeInterval } = require("./interval");
const { durationDay, durationMinute } = require("./duration");

const timeDay = timeInterval(
  date => date.setHours(0, 0, 0, 0),
  (date, step) => date.setDate(date.getDate() + step),
  (start, end) => (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay,
  date => date.getDate() - 1
);
module.exports.timeDay = timeDay;

const timeDays = timeDay.range;
module.exports.timeDays = timeDays;

const utcDay = timeInterval((date) => {
  date.setUTCHours(0, 0, 0, 0);
}, (date, step) => {
  date.setUTCDate(date.getUTCDate() + step);
}, (start, end) => {
  return (end - start) / durationDay;
}, (date) => {
  return date.getUTCDate() - 1;
});
module.exports.utcDay = utcDay;

const utcDays = utcDay.range;
module.exports.utcDays = utcDay.range;

const unixDay = timeInterval((date) => {
  date.setUTCHours(0, 0, 0, 0);
}, (date, step) => {
  date.setUTCDate(date.getUTCDate() + step);
}, (start, end) => {
  return (end - start) / durationDay;
}, (date) => {
  return Math.floor(date / durationDay);
});
module.exports.unixDay = unixDay;

const unixDays = unixDay.range;
module.exports.unixDays = unixDays;