| 1 | import Class from '../mixin/class';
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| 2 | import {$, empty, html} from 'uikit-util';
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| 3 |
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| 4 | export default {
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| 5 |
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| 6 | mixins: [Class],
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| 7 |
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| 8 | props: {
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| 9 | date: String,
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| 10 | clsWrapper: String
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| 11 | },
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| 12 |
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| 13 | data: {
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| 14 | date: '',
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| 15 | clsWrapper: '.uk-countdown-%unit%'
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| 16 | },
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| 17 |
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| 18 | computed: {
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| 19 |
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| 20 | date({date}) {
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| 21 | return Date.parse(date);
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| 22 | },
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| 23 |
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| 24 | days({clsWrapper}, $el) {
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| 25 | return $(clsWrapper.replace('%unit%', 'days'), $el);
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| 26 | },
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| 27 |
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| 28 | hours({clsWrapper}, $el) {
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| 29 | return $(clsWrapper.replace('%unit%', 'hours'), $el);
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| 30 | },
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| 31 |
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| 32 | minutes({clsWrapper}, $el) {
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| 33 | return $(clsWrapper.replace('%unit%', 'minutes'), $el);
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| 34 | },
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| 35 |
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| 36 | seconds({clsWrapper}, $el) {
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| 37 | return $(clsWrapper.replace('%unit%', 'seconds'), $el);
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| 38 | },
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| 39 |
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| 40 | units() {
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| 41 | return ['days', 'hours', 'minutes', 'seconds'].filter(unit => this[unit]);
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| 42 | }
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| 43 |
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| 44 | },
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| 45 |
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| 46 | connected() {
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| 47 | this.start();
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| 48 | },
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| 49 |
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| 50 | disconnected() {
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| 51 | this.stop();
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| 52 | this.units.forEach(unit => empty(this[unit]));
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| 53 | },
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| 54 |
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| 55 | events: [
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| 56 |
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| 57 | {
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| 58 |
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| 59 | name: 'visibilitychange',
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| 60 |
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| 61 | el: document,
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| 62 |
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| 63 | handler() {
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| 64 | if (document.hidden) {
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| 65 | this.stop();
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| 66 | } else {
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| 67 | this.start();
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | }
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| 72 |
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| 73 | ],
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| 74 |
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| 75 | update: {
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| 76 |
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| 77 | write() {
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| 78 |
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| 79 | const timespan = getTimeSpan(this.date);
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| 80 |
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| 81 | if (timespan.total <= 0) {
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| 82 |
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| 83 | this.stop();
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| 84 |
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| 85 | timespan.days
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| 86 | = timespan.hours
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| 87 | = timespan.minutes
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| 88 | = timespan.seconds
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| 89 | = 0;
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| 90 | }
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| 91 |
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| 92 | this.units.forEach(unit => {
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| 93 |
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| 94 | let digits = String(Math.floor(timespan[unit]));
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| 95 |
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| 96 | digits = digits.length < 2 ? `0${digits}` : digits;
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| 97 |
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| 98 | const el = this[unit];
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| 99 | if (el.textContent !== digits) {
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| 100 | digits = digits.split('');
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| 101 |
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| 102 | if (digits.length !== el.children.length) {
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| 103 | html(el, digits.map(() => '<span></span>').join(''));
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| 104 | }
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| 105 |
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| 106 | digits.forEach((digit, i) => el.children[i].textContent = digit);
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| 107 | }
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| 108 |
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| 109 | });
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| 110 |
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| 111 | }
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| 112 |
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| 113 | },
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| 114 |
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| 115 | methods: {
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| 116 |
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| 117 | start() {
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| 118 |
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| 119 | this.stop();
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| 120 |
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| 121 | if (this.date && this.units.length) {
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| 122 | this.$emit();
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| 123 | this.timer = setInterval(() => this.$emit(), 1000);
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| 124 | }
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| 125 |
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| 126 | },
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| 127 |
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| 128 | stop() {
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| 129 |
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| 130 | if (this.timer) {
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| 131 | clearInterval(this.timer);
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| 132 | this.timer = null;
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| 133 | }
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| 134 |
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| 135 | }
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| 136 |
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| 137 | }
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| 138 |
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| 139 | };
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| 140 |
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| 141 | function getTimeSpan(date) {
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| 142 |
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| 143 | const total = date - Date.now();
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| 144 |
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| 145 | return {
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| 146 | total,
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| 147 | seconds: total / 1000 % 60,
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| 148 | minutes: total / 1000 / 60 % 60,
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| 149 | hours: total / 1000 / 60 / 60 % 24,
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| 150 | days: total / 1000 / 60 / 60 / 24
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| 151 | };
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| 152 | }
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