43 lines
1.4 KiB
JavaScript
43 lines
1.4 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = differenceInQuarters;
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var _index = _interopRequireDefault(require("../differenceInMonths/index.js"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* @name differenceInQuarters
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* @category Quarter Helpers
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* @summary Get the number of full quarters between the given dates.
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*
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* @description
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* Get the number of full quarters between the given dates.
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*
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* ### v2.0.0 breaking changes:
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*
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* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
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*
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* @param {Date|Number} dateLeft - the later date
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* @param {Date|Number} dateRight - the earlier date
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* @returns {Number} the number of full quarters
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // How many full quarters are between 31 December 2013 and 2 July 2014?
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* var result = differenceInQuarters(new Date(2014, 6, 2), new Date(2013, 11, 31))
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* //=> 2
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*/
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function differenceInQuarters(dirtyDateLeft, dirtyDateRight) {
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if (arguments.length < 2) {
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throw new TypeError('2 arguments required, but only ' + arguments.length + ' present');
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}
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var diff = (0, _index.default)(dirtyDateLeft, dirtyDateRight) / 3;
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return diff > 0 ? Math.floor(diff) : Math.ceil(diff);
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}
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module.exports = exports.default;
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