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| import moment from 'moment'; import cookie from '@/helpers/cookie';
const throttle = { data() { return { limit: 3, period: 10, counter: 0, attempts: cookie.get('attempts') || [], }; }, watch: { attempts(value) { if (!value.length) { this.setError(null); } if (this.isSuspended) { this.countdown(); } }, }, created() { const attempts = cookie.get('attempts'); this.setAttempts(attempts ? attempts.data : []); }, computed: { times() { return this.attempts.length; }, begin() { return this.attempts[this.times - this.limit]; }, end() { return this.attempts[this.times - 1]; }, remaining() { return this.period - this.isExpended(); }, isSuspended() { if (this.times < this.limit) { return false; } return moment.duration(moment(this.end).diff(this.begin)).seconds() < this.period; }, }, methods: { setCounter(counter) { this.counter = counter; }, setAttempts(attempts) { this.attempts = attempts; }, isExpended() { return moment.duration(moment().diff(this.end)).seconds(); }, suspend() { const attempts = [...this.attempts, Date.now()]; cookie.set('attempts', attempts, moment().add(this.period, 's').toDate()); this.setAttempts(attempts); }, countdown() { this.setCounter(this.remaining); const counter = setInterval(() => { this.setCounter(this.counter - 1); }, 1000 * 1); setTimeout(() => { this.setAttempts([]); clearInterval(counter); }, 1000 * this.remaining); }, }, };
export default throttle;
|