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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 => (n < 10 ? '0' + String(n) : String(n)))
.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 };
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