graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
126 lines (125 loc) • 5.07 kB
JavaScript
;
/**
* Copyright (c) 2017, Dirk-Jan Rutten
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.serializeDateTimeString = exports.parseDateTime = exports.serializeDate = exports.parseDate = exports.serializeTimeString = exports.serializeTime = exports.parseTime = void 0;
// Parses an RFC 3339 compliant time-string into a Date.
// It does this by combining the current date with the time-string
// to create a new Date instance.
//
// Example:
// Suppose the current date is 2016-01-01, then
// parseTime('11:00:12Z') parses to a Date corresponding to
// 2016-01-01T11:00:12Z.
const parseTime = (time) => {
const currentDateString = new Date().toISOString();
return new Date(currentDateString.substr(0, currentDateString.indexOf('T') + 1) + time);
};
exports.parseTime = parseTime;
// Serializes a Date into an RFC 3339 compliant time-string in the
// format hh:mm:ss.sssZ.
const serializeTime = (date) => {
const dateTimeString = date.toISOString();
return dateTimeString.substr(dateTimeString.indexOf('T') + 1);
};
exports.serializeTime = serializeTime;
// Serializes an RFC 3339 compliant time-string by shifting
// it to UTC.
const serializeTimeString = (time) => {
// If already formatted to UTC then return the time string
if (time.indexOf('Z') !== -1) {
return time;
}
else {
// These are time-strings with timezone information,
// these need to be shifted to UTC.
// Convert to UTC time string in
// format hh:mm:ss.sssZ.
const date = (0, exports.parseTime)(time);
let timeUTC = (0, exports.serializeTime)(date);
// Regex to look for fractional second part in time string
// such as 00:00:00.345+01:00
const regexFracSec = /\.\d{1,}/;
// Retrieve the fractional second part of the time
// string if it exists.
const fractionalPart = time.match(regexFracSec);
if (fractionalPart == null) {
// These are time-strings without the fractional
// seconds. So we remove them from the UTC time-string.
timeUTC = timeUTC.replace(regexFracSec, '');
return timeUTC;
}
else {
// These are time-string with fractional seconds.
// Make sure that we inject the fractional
// second part back in. The `timeUTC` variable
// has millisecond precision, we may want more or less
// depending on the string that was passed.
timeUTC = timeUTC.replace(regexFracSec, fractionalPart[0]);
return timeUTC;
}
}
};
exports.serializeTimeString = serializeTimeString;
// Parses an RFC 3339 compliant date-string into a Date.
//
// Example:
// parseDate('2016-01-01') parses to a Date corresponding to
// 2016-01-01T00:00:00.000Z.
const parseDate = (date) => {
return new Date(date);
};
exports.parseDate = parseDate;
// Serializes a Date into a RFC 3339 compliant date-string
// in the format YYYY-MM-DD.
const serializeDate = (date) => {
return date.toISOString().split('T')[0];
};
exports.serializeDate = serializeDate;
// Parses an RFC 3339 compliant date-time-string into a Date.
const parseDateTime = (dateTime) => {
return new Date(dateTime);
};
exports.parseDateTime = parseDateTime;
// Serializes an RFC 3339 compliant date-time-string by shifting
// it to UTC.
const serializeDateTimeString = (dateTime) => {
// If already formatted to UTC then return the time string
if (dateTime.indexOf('Z') !== -1) {
return new Date(dateTime);
}
else {
// These are time-strings with timezone information,
// these need to be shifted to UTC.
// Convert to UTC time string in
// format YYYY-MM-DDThh:mm:ss.sssZ.
let dateTimeUTC = new Date(dateTime).toISOString();
// Regex to look for fractional second part in date-time string
const regexFracSec = /\.\d{1,}/;
// Retrieve the fractional second part of the time
// string if it exists.
const fractionalPart = dateTime.match(regexFracSec);
if (fractionalPart == null) {
// The date-time-string has no fractional part,
// so we remove it from the dateTimeUTC variable.
dateTimeUTC = dateTimeUTC.replace(regexFracSec, '');
return new Date(dateTimeUTC);
}
else {
// These are datetime-string with fractional seconds.
// Make sure that we inject the fractional
// second part back in. The `dateTimeUTC` variable
// has millisecond precision, we may want more or less
// depending on the string that was passed.
dateTimeUTC = dateTimeUTC.replace(regexFracSec, fractionalPart[0]);
return new Date(dateTimeUTC);
}
}
};
exports.serializeDateTimeString = serializeDateTimeString;