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Diffstat (limited to 'node_modules/date-fns/compareAsc/index.js')
| -rw-r--r-- | node_modules/date-fns/compareAsc/index.js | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/node_modules/date-fns/compareAsc/index.js b/node_modules/date-fns/compareAsc/index.js new file mode 100644 index 0000000..3117b4f --- /dev/null +++ b/node_modules/date-fns/compareAsc/index.js @@ -0,0 +1,56 @@ +"use strict"; + +var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default; +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = compareAsc; +var _index = _interopRequireDefault(require("../toDate/index.js")); +var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js")); +/** + * @name compareAsc + * @category Common Helpers + * @summary Compare the two dates and return -1, 0 or 1. + * + * @description + * Compare the two dates and return 1 if the first date is after the second, + * -1 if the first date is before the second or 0 if dates are equal. + * + * @param {Date|Number} dateLeft - the first date to compare + * @param {Date|Number} dateRight - the second date to compare + * @returns {Number} the result of the comparison + * @throws {TypeError} 2 arguments required + * + * @example + * // Compare 11 February 1987 and 10 July 1989: + * const result = compareAsc(new Date(1987, 1, 11), new Date(1989, 6, 10)) + * //=> -1 + * + * @example + * // Sort the array of dates: + * const result = [ + * new Date(1995, 6, 2), + * new Date(1987, 1, 11), + * new Date(1989, 6, 10) + * ].sort(compareAsc) + * //=> [ + * // Wed Feb 11 1987 00:00:00, + * // Mon Jul 10 1989 00:00:00, + * // Sun Jul 02 1995 00:00:00 + * // ] + */ +function compareAsc(dirtyDateLeft, dirtyDateRight) { + (0, _index2.default)(2, arguments); + var dateLeft = (0, _index.default)(dirtyDateLeft); + var dateRight = (0, _index.default)(dirtyDateRight); + var diff = dateLeft.getTime() - dateRight.getTime(); + if (diff < 0) { + return -1; + } else if (diff > 0) { + return 1; + // Return 0 if diff is 0; return NaN if diff is NaN + } else { + return diff; + } +} +module.exports = exports.default;
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