common-mpvue/lib/utils/index.js

基于mpvue小程序的通用能力封装

import padL from 'left-pad';
import URL from 'url-parse';
import qs from 'querystring';
export function getFormatTime(format, d) {
    if (format === void 0) { format = 'yyyy/MM/dd HH:ii:ss'; }
    var date = d || new Date();
    var month = date.getMonth() + 1;
    var year = date.getFullYear();
    var hours = date.getHours();
    format = format.replace('MM', padL(month.toString(), 2, '0'));
    if (format.indexOf('yyyy') > -1) {
        format = format.replace('yyyy', year.toString());
    }
    else if (format.indexOf('yy') > -1) {
        format = format.replace('yy', year.toString().substr(2, 2));
    }
    format = format.replace('dd', padL(date.getDate().toString(), 2, '0'));
    if (format.indexOf('t') > -1) {
        format = format.replace('t', hours > 11 ? 'pm' : 'am');
    }
    if (format.indexOf('HH') > -1) {
        format = format.replace('HH', padL(hours.toString(), 2, '0'));
    }
    if (format.indexOf('hh') > -1) {
        if (hours > 12) {
            hours -= 12;
        }
        if (hours === 0) {
            hours = 12;
        }
        format = format.replace('hh', padL(hours.toString(), 2, '0'));
    }
    if (format.indexOf('mm') > -1) {
        format = format.replace('mm', padL(date.getMinutes().toString(), 2, '0'));
    }
    if (format.indexOf('ss') > -1) {
        format = format.replace('ss', padL(date.getSeconds().toString(), 2, '0'));
    }
    return format;
}
/**
 * 给指定url添加query参数
 * @param {String} url
 * @param {Object} query 键值对
 */
export function addUrlQuery(url, query) {
    var urlObj = new URL(url, '/');
    var existQuery = qs.parse(urlObj.query ? urlObj.query.slice(1) : '');
    var newQuery = Object.assign({}, existQuery, query);
    urlObj.set('query', newQuery);
    if (/^https?:\/\//i.test(url)) {
        return urlObj.href;
    }
    var parts = [urlObj.pathname];
    var queryKeys = Object.keys(urlObj.query);
    if (queryKeys.length > 0) {
        parts.push(queryKeys.map(function (key) { return key + "=" + urlObj.query[key]; }).join('&'));
    }
    return parts.join('?');
}
/**
 * 解析url的query
 * @param url
 */
export function parseUrlQuery(url) {
    var urlObj = new URL(url);
    return qs.parse(urlObj.query ? urlObj.query.slice(1) : '');
}
/**
 * 去除对象合并中的undefined项目
 * @param args
 */
export function pureAssign() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    var ret = {};
    var len = args.length;
    for (var i = 0; i < len; i++) {
        var obj = args[i];
        for (var key in obj) {
            if (obj[key] !== undefined) {
                ret[key] = obj[key];
            }
        }
    }
    return ret;
}
export default {
    getFormatTime: getFormatTime,
    addUrlQuery: addUrlQuery,
    parseUrlQuery: parseUrlQuery,
    pureAssign: pureAssign
};