46 lines
1.2 KiB
TypeScript
46 lines
1.2 KiB
TypeScript
import ICAL from 'ical.js';
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export function mergeIcals(inputs: Array<string>, options: {
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calname?: string
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timezone?: string
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caldesc?: string
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} = {}) {
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let calendar;
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for (const input of inputs) {
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try {
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const jcal = ICAL.parse(input);
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const cal = new ICAL.Component(jcal);
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if (!calendar) {
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calendar = cal;
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calendar.updatePropertyWithValue('prodid', 'it-tools-ical-merger');
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calendar.updatePropertyWithValue('version', '1.0');
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if (options.calname) {
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calendar.updatePropertyWithValue('x-wr-calname', options.calname);
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}
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if (options.timezone) {
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calendar.updatePropertyWithValue('x-wr-timezone', options.timezone);
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}
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if (options.caldesc) {
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calendar.updatePropertyWithValue('x-wr-caldesc', options.caldesc);
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}
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}
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else {
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for (const vevent of cal.getAllSubcomponents('vevent')) {
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calendar.addSubcomponent(vevent);
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}
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}
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}
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catch (e) {
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throw new Error(`Failed to merge: ${e}\n\nWith input: ${input}`);
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}
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}
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if (!calendar) {
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throw new Error('No icals parsed successfully');
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}
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return calendar.toString();
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}
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