material-duration-picker/dist/utils.js

React Material component for durations inspired by Material-UI Pickers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.durationToTime = exports.timeToDuration = exports.getRemainder = exports.getValue = void 0;
var constants_1 = require("./constants");
/**
 * Converts a number of seconds into a whole number of units of type view
 *
 * Ex:
 * 75 seconds to minutes = 1.25 minutes. Rounded down = 1 minutes
 *
 * This works with negative numbers
 * -75 seconds to minutes = -1.25 minutes. Rounded up = -1 minutes
 *
 * @param secs The number of seconds
 * @param view The view
 * @param round if should round
 */
var getValue = function (secs, view, round) {
    if (round === void 0) { round = true; }
    if (secs == null) {
        return undefined;
    }
    /*
       The bitwise operator is used to get the whole number.
       https://stackoverflow.com/a/4228528/6592293
     */
    var res = secs * constants_1.converters['seconds'][view];
    return round ? res | 0 : res;
};
exports.getValue = getValue;
var getRemainder = function (secs, view) {
    return secs == null ? undefined : secs % constants_1.converters[view]['seconds'];
};
exports.getRemainder = getRemainder;
/**
 * Converts a time in seconds to a duration
 * @param time time in seconds
 * @param views Views included in the duration
 * @param zeroes If false, views that have a value of zero will be set to undefined
 */
var timeToDuration = function (time, views, zeroes) {
    if (views === void 0) { views = constants_1.VIEWS; }
    if (zeroes === void 0) { zeroes = false; }
    var i = 0;
    var view = views[i];
    if (!view || time == null) {
        return {};
    }
    return constants_1.VIEWS.reduce(function (acc, curr) {
        var value = exports.getValue(time, curr, curr !== 'seconds');
        var remainder = exports.getRemainder(time, curr);
        var a = value != null ? value * constants_1.converters[curr][view] : 0;
        time = remainder !== null && remainder !== void 0 ? remainder : undefined;
        acc[view] = ((acc[view] || 0) + a) || (zeroes ? 0 : undefined);
        if (view === curr && i + 1 < views.length) {
            i++;
            view = views[i];
        }
        return acc;
    }, {});
};
exports.timeToDuration = timeToDuration;
/**
 * Convert a duration to a time value of a view
 * If no view is specified, will convert to seconds
 *
 * Ex:
 * duration: {
 *   hours: 1,
 *   minutes: 2
 *   seconds: 30
 * }
 * view: minutes
 *
 * res: 62.5
 */
var durationToTime = function (duration, view) {
    var seconds = constants_1.VIEWS.reduce(function (time, view) {
        var v = duration[view];
        if (v == null) {
            return time;
        }
        return (time !== null && time !== void 0 ? time : 0) + v * constants_1.toSecondsMultipliers[view];
    }, undefined);
    return view && seconds != null ? seconds / constants_1.toSecondsMultipliers[view] : seconds;
};
exports.durationToTime = durationToTime;