@idris-maps/yyyy-mm-dd/dist/monthsInRange.js

A date library dealing only with days in the YYYY-MM-DD format

"use strict";
var __spreadArrays = (this && this.__spreadArrays) || function () {
    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
    for (var r = Array(s), k = 0, i = 0; i < il; i++)
        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
            r[k] = a[j];
    return r;
};
Object.defineProperty(exports, "__esModule", { value: true });
var toYYYYMM = function (day) {
    var _a = day.split('-'), yyyy = _a[0], mm = _a[1];
    return yyyy + "-" + mm;
};
var pad = function (n) { return n < 10 ? "0" + n : String(n); };
var addMonth = function (yyyymm) {
    var _a = yyyymm.split('-'), yyyy = _a[0], mm = _a[1];
    var m = Number(mm);
    var y = Number(yyyy);
    return m === 12
        ? y + 1 + "-01"
        : yyyy + "-" + pad(m + 1);
};
var _monthsInRange = function (_a) {
    var start = _a.start, end = _a.end;
    var lastMonth = toYYYYMM(end);
    var loop = function (day, months) {
        var next = addMonth(day);
        if (toYYYYMM(next) === lastMonth) {
            return __spreadArrays(months, [next]);
        }
        return loop(next, __spreadArrays(months, [next]));
    };
    return loop(start, [start]).map(toYYYYMM);
};
exports.default = _monthsInRange;