angular-odata
Version:
Client side OData typescript library for Angular
40 lines • 5.76 kB
JavaScript
const DURATION_REGEX = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
export const Durations = {
toDuration(v) {
const matches = DURATION_REGEX.exec(v);
if (!matches || v.length < 3) {
throw new TypeError(`duration invalid: "${v}". Must be a ISO 8601 duration. See https://en.wikipedia.org/wiki/ISO_8601#Durations`);
}
let duration = {};
duration.sign = matches[1] === '-' ? -1 : 1;
return [
'years',
'months',
'weeks',
'days',
'hours',
'minutes',
'seconds',
].reduce((acc, name, index) => {
const v = parseFloat(matches[index + 2]);
if (!Number.isNaN(v))
acc[name] = v;
return acc;
}, duration);
},
toString(v) {
return [
v.sign === -1 ? '-' : '',
'P',
v.years ? v.years + 'Y' : '',
v.months ? v.months + 'M' : '',
v.weeks ? v.weeks + 'W' : '',
v.days ? v.days + 'D' : '',
'T',
v.hours ? v.hours + 'H' : '',
v.minutes ? v.minutes + 'M' : '',
v.seconds ? v.seconds + 'S' : '',
].join('');
},
};
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