74 lines
2 KiB
JavaScript
74 lines
2 KiB
JavaScript
import { IsDate } from '@lion/form-core';
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import { LionInput } from '@lion/input';
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import { formatDate, LocalizeMixin, parseDate } from '@lion/localize';
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/**
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* @param {Date|number} date
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*/
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function isValidDate(date) {
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// to make sure it is a valid date we use isNaN and not Number.isNaN
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// @ts-ignore dirty hack, you're not supposed to pass Date instances to isNaN
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// eslint-disable-next-line no-restricted-globals
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return date instanceof Date && !isNaN(date);
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}
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/**
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* `LionInputDate` has a .modelValue of type Date. It parses, formats and validates based
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* on locale.
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*
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* @customElement lion-input-date
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*/
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// @ts-expect-error https://github.com/microsoft/TypeScript/issues/40110
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export class LionInputDate extends LocalizeMixin(LionInput) {
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static get properties() {
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return {
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modelValue: Date,
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};
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}
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constructor() {
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super();
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/**
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* @param {string} value
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*/
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this.parser = value => (value === '' ? undefined : parseDate(value));
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this.formatter = formatDate;
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this.defaultValidators.push(new IsDate());
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}
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/** @param {import('@lion/core').PropertyValues } changedProperties */
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updated(changedProperties) {
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super.updated(changedProperties);
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if (changedProperties.has('locale')) {
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this._calculateValues({ source: null });
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}
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}
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connectedCallback() {
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// eslint-disable-next-line wc/guard-super-call
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super.connectedCallback();
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this.type = 'text';
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}
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/**
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* @param {Date} modelValue
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*/
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// eslint-disable-next-line class-methods-use-this
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serializer(modelValue) {
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if (!isValidDate(modelValue)) {
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return '';
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}
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// modelValue is localized, so we take the timezone offset in milliseconds and subtract it
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// before converting it to ISO string.
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const offset = modelValue.getTimezoneOffset() * 60000;
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return new Date(modelValue.getTime() - offset).toISOString().slice(0, 10);
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}
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/**
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* @param {string} serializedValue
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*/
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// eslint-disable-next-line class-methods-use-this
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deserializer(serializedValue) {
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return new Date(serializedValue);
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}
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}
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