cdk8s
Version:
This is the core library of Cloud Development Kit (CDK) for Kubernetes (cdk8s). cdk8s apps synthesize into standard Kubernetes manifests which can be applied to any Kubernetes cluster.
102 lines (99 loc) • 3.7 kB
JavaScript
import { stringifyNumber } from '../../stringify/stringifyNumber.js';
/** Internal types handle bigint as number, because TS can't figure it out. */
function parseSexagesimal(str, asBigInt) {
const sign = str[0];
const parts = sign === '-' || sign === '+' ? str.substring(1) : str;
const num = (n) => asBigInt ? BigInt(n) : Number(n);
const res = parts
.replace(/_/g, '')
.split(':')
.reduce((res, p) => res * num(60) + num(p), num(0));
return (sign === '-' ? num(-1) * res : res);
}
/**
* hhhh:mm:ss.sss
*
* Internal types handle bigint as number, because TS can't figure it out.
*/
function stringifySexagesimal(node) {
let { value } = node;
let num = (n) => n;
if (typeof value === 'bigint')
num = n => BigInt(n);
else if (isNaN(value) || !isFinite(value))
return stringifyNumber(node);
let sign = '';
if (value < 0) {
sign = '-';
value *= num(-1);
}
const _60 = num(60);
const parts = [value % _60]; // seconds, including ms
if (value < 60) {
parts.unshift(0); // at least one : is required
}
else {
value = (value - parts[0]) / _60;
parts.unshift(value % _60); // minutes
if (value >= 60) {
value = (value - parts[0]) / _60;
parts.unshift(value); // hours
}
}
return (sign +
parts
.map(n => String(n).padStart(2, '0'))
.join(':')
.replace(/000000\d*$/, '') // % 60 may introduce error
);
}
const intTime = {
identify: value => typeof value === 'bigint' || Number.isInteger(value),
default: true,
tag: 'tag:yaml.org,2002:int',
format: 'TIME',
test: /^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+$/,
resolve: (str, _onError, { intAsBigInt }) => parseSexagesimal(str, intAsBigInt),
stringify: stringifySexagesimal
};
const floatTime = {
identify: value => typeof value === 'number',
default: true,
tag: 'tag:yaml.org,2002:float',
format: 'TIME',
test: /^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\.[0-9_]*$/,
resolve: str => parseSexagesimal(str, false),
stringify: stringifySexagesimal
};
const timestamp = {
identify: value => value instanceof Date,
default: true,
tag: 'tag:yaml.org,2002:timestamp',
// If the time zone is omitted, the timestamp is assumed to be specified in UTC. The time part
// may be omitted altogether, resulting in a date format. In such a case, the time part is
// assumed to be 00:00:00Z (start of day, UTC).
test: RegExp('^([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})' + // YYYY-Mm-Dd
'(?:' + // time is optional
'(?:t|T|[ \\t]+)' + // t | T | whitespace
'([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2}(\\.[0-9]+)?)' + // Hh:Mm:Ss(.ss)?
'(?:[ \\t]*(Z|[-+][012]?[0-9](?::[0-9]{2})?))?' + // Z | +5 | -03:30
')?$'),
resolve(str) {
const match = str.match(timestamp.test);
if (!match)
throw new Error('!!timestamp expects a date, starting with yyyy-mm-dd');
const [, year, month, day, hour, minute, second] = match.map(Number);
const millisec = match[7] ? Number((match[7] + '00').substr(1, 3)) : 0;
let date = Date.UTC(year, month - 1, day, hour || 0, minute || 0, second || 0, millisec);
const tz = match[8];
if (tz && tz !== 'Z') {
let d = parseSexagesimal(tz, false);
if (Math.abs(d) < 30)
d *= 60;
date -= 60000 * d;
}
return new Date(date);
},
stringify: ({ value }) => value?.toISOString().replace(/(T00:00:00)?\.000Z$/, '') ?? ''
};
export { floatTime, intTime, timestamp };