postgrejs/cjs/util/parse-datetime.js

Professional PostgreSQL client NodeJS

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseDateTime = parseDateTime;
// noinspection RegExpUnnecessaryNonCapturingGroup
const fast_parseint_js_1 = require("./fast-parseint.js");
// noinspection RegExpUnnecessaryNonCapturingGroup
const TIMESTAMP_PATTERN = /^(\d{4})-?(0[1-9]|1[012])?-?([123]0|[012][1-9]|31)?(?:[T ]?([01][0-9]|2[0-3]):?([0-5][0-9]):?([0-5][0-9])?(?:\.(\d+))?(?:(Z)|(?:([+-])([01]?[0-9]|2[0-3]):?([0-5][0-9])?))?)?$/;
const INFINITY_PATTERN = /^-?infinity$/;
function parseDateTime(str, parseTime, parseTimeZone, utc) {
    let m = str.match(TIMESTAMP_PATTERN);
    if (!m) {
        m = str.match(INFINITY_PATTERN);
        if (m)
            return Number(str.replace('i', 'I'));
        return new Date('invalid');
    }
    const args = [
        1970, 0, 1, 0, 0, 0, 0,
    ];
    const l = parseTime ? 7 : 3;
    for (let i = 0; i < l; i++) {
        const s = m[i + 1];
        args[i] = (0, fast_parseint_js_1.fastParseInt)(s) || 0;
    }
    // Months starts from 0
    if (args[1] > 0)
        args[1]--;
    if (parseTimeZone && parseTime && m[9]) {
        const r = m[9] === '-' ? -1 : 1;
        args[3] -= ((0, fast_parseint_js_1.fastParseInt)(m[10]) || 0) * r;
        args[4] -= ((0, fast_parseint_js_1.fastParseInt)(m[11]) || 0) * r;
        return new Date(Date.UTC(...args));
    }
    if (m[8] || utc)
        return new Date(Date.UTC(...args));
    return new Date(...args);
}