77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
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import { getDefaultOptions, setDefaultOptions as setInternalDefaultOptions } from "../_lib/defaultOptions/index.js";
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import requiredArgs from "../_lib/requiredArgs/index.js";
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/**
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* @name setDefaultOptions
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* @category Common Helpers
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* @summary Set default options including locale.
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* @pure false
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*
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* @description
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* Sets the defaults for
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* `options.locale`, `options.weekStartsOn` and `options.firstWeekContainsDate`
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* arguments for all functions.
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*
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* @param {Object} newOptions - an object with options.
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* @param {Locale} [newOptions.locale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
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* @param {0|1|2|3|4|5|6} [newOptions.weekStartsOn] - the index of the first day of the week (0 - Sunday)
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* @param {1|2|3|4|5|6|7} [newOptions.firstWeekContainsDate] - the day of January, which is always in the first week of the year
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* @throws {TypeError} 1 argument required
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*
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* @example
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* // Set global locale:
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* import { es } from 'date-fns/locale'
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* setDefaultOptions({ locale: es })
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* const result = format(new Date(2014, 8, 2), 'PPPP')
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* //=> 'martes, 2 de septiembre de 2014'
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*
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* @example
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* // Start of the week for 2 September 2014:
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* const result = startOfWeek(new Date(2014, 8, 2))
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* //=> Sun Aug 31 2014 00:00:00
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*
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* @example
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* // Start of the week for 2 September 2014,
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* // when we set that week starts on Monday by default:
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* setDefaultOptions({ weekStartsOn: 1 })
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* const result = startOfWeek(new Date(2014, 8, 2))
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* //=> Mon Sep 01 2014 00:00:00
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*
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* @example
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* // Manually set options take priority over default options:
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* setDefaultOptions({ weekStartsOn: 1 })
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* const result = startOfWeek(new Date(2014, 8, 2), { weekStartsOn: 0 })
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* //=> Sun Aug 31 2014 00:00:00
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*
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* @example
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* // Remove the option by setting it to `undefined`:
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* setDefaultOptions({ weekStartsOn: 1 })
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* setDefaultOptions({ weekStartsOn: undefined })
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* const result = startOfWeek(new Date(2014, 8, 2))
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* //=> Sun Aug 31 2014 00:00:00
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*/
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export default function setDefaultOptions(newOptions) {
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requiredArgs(1, arguments);
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var result = {};
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var defaultOptions = getDefaultOptions();
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for (var property in defaultOptions) {
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if (Object.prototype.hasOwnProperty.call(defaultOptions, property)) {
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;
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result[property] = defaultOptions[property];
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}
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}
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for (var _property in newOptions) {
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if (Object.prototype.hasOwnProperty.call(newOptions, _property)) {
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if (newOptions[_property] === undefined) {
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delete result[_property];
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} else {
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;
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result[_property] = newOptions[_property];
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}
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}
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}
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setInternalDefaultOptions(result);
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}
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