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Diffstat (limited to 'node_modules/date-fns/differenceInCalendarMonths/index.js')
| -rw-r--r-- | node_modules/date-fns/differenceInCalendarMonths/index.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/date-fns/differenceInCalendarMonths/index.js b/node_modules/date-fns/differenceInCalendarMonths/index.js new file mode 100644 index 0000000..e01e0f6 --- /dev/null +++ b/node_modules/date-fns/differenceInCalendarMonths/index.js @@ -0,0 +1,39 @@ +"use strict"; + +var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default; +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = differenceInCalendarMonths; +var _index = _interopRequireDefault(require("../toDate/index.js")); +var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js")); +/** + * @name differenceInCalendarMonths + * @category Month Helpers + * @summary Get the number of calendar months between the given dates. + * + * @description + * Get the number of calendar months between the given dates. + * + * @param {Date|Number} dateLeft - the later date + * @param {Date|Number} dateRight - the earlier date + * @returns {Number} the number of calendar months + * @throws {TypeError} 2 arguments required + * + * @example + * // How many calendar months are between 31 January 2014 and 1 September 2014? + * const result = differenceInCalendarMonths( + * new Date(2014, 8, 1), + * new Date(2014, 0, 31) + * ) + * //=> 8 + */ +function differenceInCalendarMonths(dirtyDateLeft, dirtyDateRight) { + (0, _index2.default)(2, arguments); + var dateLeft = (0, _index.default)(dirtyDateLeft); + var dateRight = (0, _index.default)(dirtyDateRight); + var yearDiff = dateLeft.getFullYear() - dateRight.getFullYear(); + var monthDiff = dateLeft.getMonth() - dateRight.getMonth(); + return yearDiff * 12 + monthDiff; +} +module.exports = exports.default;
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