@rareelements/lydia
Version:
RFC5545 implementation
94 lines • 4.04 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DateUtils = void 0;
const moment_timezone_1 = __importDefault(require("moment-timezone"));
const rrule = __importStar(require("rrule"));
const ParameterType_1 = require("../model/ParameterType");
const PropertyType_1 = require("../model/PropertyType");
const CustomErrors_1 = require("../CustomErrors");
const UTC_SUFFIX = 'Z';
class DateUtils {
static enrichDTProperty(rawProperty, defaultTZ) {
const { value, params, name } = rawProperty;
let timezone;
if (!value)
throw new CustomErrors_1.ValidationError('Missing value for DT property: ' + JSON.stringify(rawProperty));
if (params && !value.toUpperCase().endsWith(UTC_SUFFIX)) {
const tzid = params.filter((p) => p.name === ParameterType_1.ParameterType.TZID);
timezone = tzid && tzid.length > 0 ? tzid[0].value : defaultTZ;
}
const property = {
type: name,
timezone,
value: DateUtils.parseDate(value, timezone)
};
return property;
}
static entrichTSProperty(rawProperty, defaultTZ) {
const { value, params, name } = rawProperty;
let timezone;
if (!value)
throw new CustomErrors_1.ValidationError('Missing value for DT property: ' + JSON.stringify(rawProperty));
if (params && !value.toUpperCase().endsWith(UTC_SUFFIX)) {
const tzid = params.filter((p) => p.name === ParameterType_1.ParameterType.TZID);
timezone = tzid && tzid.length > 0 ? tzid[0].value : defaultTZ;
}
return {
value: DateUtils.parseDate(value, timezone),
type: name
};
}
static createRuleSet({ properties }) {
// rrulestr('DTSTART:20120201T023000Z\nRRULE:FREQ=MONTHLY;COUNT=5\nRDATE:20120701T023000Z,
// 20120702T023000Z\nEXRULE:FREQ=MONTHLY;COUNT=2\nEXDATE:20120601T023000Z')
const rruleConfig = [];
let containsRule = false;
for (const p of properties) {
// console.log(p.name);
if (PropertyType_1.RRuleMetaProps.has(p.name)) {
rruleConfig.push(p);
}
if (p.name === PropertyType_1.PropertyType.RRULE)
containsRule = true;
}
if (containsRule) {
const serialized = rruleConfig.map((p) => p.name + ':' + p.value).join('\n');
const rruleSet = rrule.rrulestr(serialized);
return rruleSet;
}
return undefined;
}
// DTEND;TZID=America/New_York:19980119T030000
static parseDate(value, tz) {
return tz ? moment_timezone_1.default.tz(value, 'YYYYMMDDTHHmmZZ', tz).toDate() : moment_timezone_1.default(value).toDate();
}
static getOccurences(rruleProp, start, end) {
const ruleSet = rruleProp.rruleSet;
const dates = ruleSet.between(start, end);
return dates;
}
}
exports.DateUtils = DateUtils;
//# sourceMappingURL=DateUtils.js.map