onix-core/dist/fn/date/DateInterval.js

Onix library core

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.normalize = void 0;
const tslib_1 = require("tslib");
const toSafeInteger_1 = tslib_1.__importDefault(require("lodash/toSafeInteger"));
function date_range_limit(start, end, adj, a, b, interval) {
    const result = interval;
    if (result[a] < start) {
        result[b] -= toSafeInteger_1.default((start - result[a] - 1) / adj) + 1;
        result[a] += adj * toSafeInteger_1.default((start - result[a] - 1) / adj + 1);
    }
    if (result[a] >= end) {
        result[b] += toSafeInteger_1.default(result[a] / adj);
        result[a] -= adj * toSafeInteger_1.default(result[a] / adj);
    }
    return result;
}
function date_range_limit_days(base, result) {
    const days_in_month_leap = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    const days_in_month = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    // date_range_limit(1, 13, 12, "m", "y", base);
    let year = base.getFullYear();
    let month = base.getMonth();
    if (!result.invert) {
        while (result.d < 0) {
            month--;
            if (month < 0) {
                month += 12;
                year--;
            }
            const leapyear = year % 400 == 0 || (year % 100 != 0 && year % 4 == 0);
            const days = leapyear ? days_in_month_leap[month] : days_in_month[month];
            result.d += days;
            result.m--;
        }
    }
    else {
        while (result.d < 0) {
            const leapyear = year % 400 == 0 || (year % 100 != 0 && year % 4 == 0);
            const days = leapyear ? days_in_month_leap[month] : days_in_month[month];
            result.d += days;
            result.m--;
            month++;
            if (month > 11) {
                month -= 12;
                year++;
            }
        }
    }
    return result;
}
function normalize(interval, base) {
    if (base === undefined) {
        base = new Date();
    }
    interval = date_range_limit(0, 1000, 1000, "f", "s", interval);
    interval = date_range_limit(0, 60, 60, "s", "i", interval);
    interval = date_range_limit(0, 60, 60, "i", "h", interval);
    interval = date_range_limit(0, 24, 24, "h", "d", interval);
    interval = date_range_limit(0, 12, 12, "m", "y", interval);
    interval = date_range_limit_days(base, interval);
    interval = date_range_limit(0, 12, 12, "m", "y", interval);
    return interval;
}
exports.normalize = normalize;
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