w-ui/packages/datetime/src/utils.js

A Vue.js 2.0 UI Toolkit for mobile

export default {
    isDateTimeString(str) {
        return /^\d{4}((\.|-|\/)(0[1-9]|1[0-2]))((\.|-|\/)(0[1-9]|[12][0-9]|3[0-1]))( ([01][0-9]|2[0-3]):([012345][0-9]))?$/.test(str);
    },
    isTimeString(str) {
        return /^([01][0-9]|2[0-3]):([012345][0-9])$/.test(str);
    },
    mentStr(str) {
        return (100 + ~~str + '').substr(1, 2);
    },
    getYearItems(config) {
        const years = [];
        const startYear = ~~config.startYear;
        const endYear = ~~config.endYear;
        let today = new Date();

        let start = today.getFullYear() - 10;
        let end = today.getFullYear() + 10;

        if (startYear !== 0) {
            start = startYear;
        }

        if (endYear !== 0) {
            end = endYear;
        }

        if (end < start) {
            end = start + 10;
        }

        if (config.startDate) {
            start = new Date(config.startDate.replace(/-/g, '/')).getFullYear();
        }

        if (config.endDate) {
            end = new Date(config.endDate.replace(/-/g, '/')).getFullYear();
        }

        if (config.startDate > config.endDate) {
            end = start + 10;
        }

        if (start < startYear && startYear !== 0) {
            start = startYear;
        }

        if (end > endYear && endYear !== 0) {
            end = endYear;
        }

        while (start <= end) {
            years.push({value: start, name: config.format.replace('{value}', start)});
            start++;
        }

        return years;
    },
    getMonthItems(config) {
        const months = [];
        let startMonth = 1;
        let endMonth = 12;

        if (config.startDate) {
            const startDate = new Date(config.startDate.replace(/-/g, '/'));
            if (startDate.getFullYear() === ~~config.currentYear) {
                startMonth = startDate.getMonth() + 1;
            }
        }

        if (config.endDate) {
            const endDate = new Date(config.endDate.replace(/-/g, '/'));
            if (endDate.getFullYear() === ~~config.currentYear) {
                endMonth = endDate.getMonth() + 1;
            }
        }

        while (startMonth <= endMonth) {
            let t = this.mentStr(startMonth);
            months.push({value: t, name: config.format.replace('{value}', t)});
            startMonth++;
        }

        return months;
    },
    getDateItems(config) {
        let dates = [];
        let today = new Date();
        let year = today.getFullYear();
        let month = today.getMonth();

        if (config.currentYear) year = ~~config.currentYear;

        if (config.currentMonth) month = ~~config.currentMonth - 1;

        let end = 30;

        if ([0, 2, 4, 6, 7, 9, 11].indexOf(month) > -1) {
            end = 31
        } else if (month === 1) {
            end = year % 100 === 0 ? (year % 400 === 0 ? 29 : 28) : (year % 4 === 0 ? 29 : 28)
        }
        if (config.endDate) {
            const endDate = new Date(config.endDate.replace(/-/g, '/'));
            if (endDate.getMonth() + 1 === ~~config.currentMonth && endDate.getFullYear() === ~~config.currentYear && endDate.getDate() < end) {
                end = endDate.getDate();
            }
        }

        let d = 1;
        if (config.startDate) {
            const startDate = new Date(config.startDate.replace(/-/g, '/'));
            if (startDate.getMonth() + 1 === ~~config.currentMonth && startDate.getFullYear() === ~~config.currentYear) {
                d = startDate.getDate();
            }
        }

        while (d <= end) {
            let t = this.mentStr(d);
            dates.push({value: t, name: config.format.replace('{value}', t)});
            d++;
        }

        return dates;
    },
    getHourItems(config) {
        const hours = [];
        const startHour = ~~config.startHour;
        const endHour = ~~config.endHour;
        let start = startHour;
        let end = endHour;

        if (end < start) {
            end = 23;
        }

        if (config.startDate) {
            const startDate = new Date(config.startDate.replace(/-/g, '/'));
            if (startDate.getFullYear() === ~~config.currentYear && startDate.getMonth() + 1 === ~~config.currentMonth && startDate.getDate() === ~~config.currentDay && start <= startHour) {
                start = startDate.getHours();
                if (start < startHour) {
                    start = startHour;
                }

            }
        }

        if (config.endDate) {
            const endDate = new Date(config.endDate.replace(/-/g, '/'));
            if (endDate.getFullYear() === ~~config.currentYear && endDate.getMonth() + 1 === ~~config.currentMonth && endDate.getDate() === ~~config.currentDay) {
                end = endDate.getHours();
            }
            if (end > endHour) {
                end = endHour;
            }
        }

        while (start <= end) {
            let t = this.mentStr(start);
            hours.push({value: t, name: config.format.replace('{value}', t)});
            start++;
        }

        return hours;
    },
    getMinuteItems(config) {
        const minute = [];
        let start = 0;
        let end = 59;

        if (config.startDate) {
            const startDate = new Date(config.startDate.replace(/-/g, '/'));
            if (startDate.getFullYear() === ~~config.currentYear && startDate.getMonth() + 1 === ~~config.currentMonth && startDate.getDate() === ~~config.currentDay && startDate.getHours() === ~~config.currentHour) {
                start = startDate.getMinutes();
            }
        }

        if (config.endDate) {
            const endDate = new Date(config.endDate.replace(/-/g, '/'));
            if (endDate.getFullYear() === ~~config.currentYear && endDate.getMonth() + 1 === ~~config.currentMonth && endDate.getDate() === ~~config.currentDay && endDate.getHours() === ~~config.currentHour) {
                end = endDate.getMinutes();
            }
        }

        while (start <= end) {
            let t = this.mentStr(start);
            minute.push({value: t, name: config.format.replace('{value}', t)});
            start++;
        }

        return minute;
    }
}