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46 lines
1.5 KiB
46 lines
1.5 KiB
"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 = differenceInCalendarYears; |
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var _index = _interopRequireDefault(require("../toDate/index.js")); |
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var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/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 differenceInCalendarYears |
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* @category Year Helpers |
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* @summary Get the number of calendar years between the given dates. |
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* |
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* @description |
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* Get the number of calendar years 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 calendar years |
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* @throws {TypeError} 2 arguments required |
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* |
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* @example |
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* // How many calendar years are between 31 December 2013 and 11 February 2015? |
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* var result = differenceInCalendarYears( |
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* new Date(2015, 1, 11), |
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* new Date(2013, 11, 31) |
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* ) |
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* //=> 2 |
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*/ |
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function differenceInCalendarYears(dirtyDateLeft, dirtyDateRight) { |
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(0, _index2.default)(2, arguments); |
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var dateLeft = (0, _index.default)(dirtyDateLeft); |
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var dateRight = (0, _index.default)(dirtyDateRight); |
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return dateLeft.getFullYear() - dateRight.getFullYear(); |
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} |
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module.exports = exports.default; |