@blueprintjs/datetime
Version:
Components for interacting with dates and times
74 lines • 2.81 kB
JavaScript
/*
* Copyright 2022 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { isValid } from "date-fns";
import { TimePrecision, TimezoneUtils } from "./common";
/**
* `onChange` prop adapter for automated DateInput -> DateInput2 migration in @blueprintjs/datetime2 v0.x.
*
* Note that we exclude `undefined` from the input & output types since we expect the callback to be defined
* if this adapter is used.
*
* @param handler DateInput onChange handler
* @returns DateInput2 onChange handler
*/
export function onChangeAdapter(handler) {
if (handler === undefined) {
return noOp;
}
const tz = TimezoneUtils.getCurrentTimezone();
return (newDate, isUserChange) => handler(TimezoneUtils.getDateObjectFromIsoString(newDate, tz) ?? null, isUserChange);
}
/**
* `value` prop adapter for automated DateInput -> DateInput2 migration in @blueprintjs/datetime2 v0.x.
*
* @param value DateInput value
* @param timePrecision (optional) DateInput timePrecision
* @returns DateInput2 value
*/
export function valueAdapter(value, timePrecision) {
if (value == null || !isValid(value)) {
return null;
}
return convertDateToDateString(value, timePrecision);
}
/**
* Adapter for automated DateInput -> DateInput2 migration in @blueprintjs/datetime2 v0.x.
*
* @param defaultValue DateInput value
* @param timePrecision (optional) DateInput timePrecision
* @returns DateInput2 value
*/
export function defaultValueAdapter(defaultValue, timePrecision) {
if (defaultValue === undefined || !isValid(defaultValue)) {
return undefined;
}
return convertDateToDateString(defaultValue, timePrecision);
}
function convertDateToDateString(date, timePrecision) {
const tz = TimezoneUtils.getCurrentTimezone();
const inferredTimePrecision = date.getMilliseconds() !== 0
? TimePrecision.MILLISECOND
: date.getSeconds() !== 0
? TimePrecision.SECOND
: date.getMinutes() !== 0
? TimePrecision.MINUTE
: undefined;
return TimezoneUtils.getIsoEquivalentWithUpdatedTimezone(date, tz, timePrecision ?? inferredTimePrecision);
}
function noOp() {
// nothing
}
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