basiclib.js

// Basic Closure
class Basic {
    getDate() {							                // Overpass Queryに付ける日付指定
        let seldate = $("#Select_Date").val();
        return seldate ? '[date:"' + (new Date(seldate)).toISOString() + '"]' : "";
    }

    formatDate(date, format) {
        // date format
        try {
            format = format.replace(/YYYY/g, date.getFullYear());
            format = format.replace(/YY/g, date.getFullYear().toString().slice(-2));
            format = format.replace(/MM/g, ('0' + (date.getMonth() + 1)).slice(-2));
            format = format.replace(/DD/g, ('0' + date.getDate()).slice(-2));
            format = format.replace(/hh/g, ('0' + date.getHours()).slice(-2));
            format = format.replace(/mm/g, ('0' + date.getMinutes()).slice(-2));
            format = format.replace(/ss/g, ('0' + date.getSeconds()).slice(-2));
        } catch {
            format = "";
        };
        return format;
    }

    dataURItoBlob(dataURI) {                               // DataURIからBlobへ変換（ファイルサイズ2MB超過対応）
        const b64 = atob(dataURI.split(',')[1]);
        const u8 = Uint8Array.from(b64.split(""), function (e) { return e.charCodeAt() });
        return new Blob([u8], { type: "image/png" });
    }

    concatTwoDimensionalArray(array1, array2, axis) {      // 2次元配列の合成
        if (axis != 1) axis = 0;
        var array3 = [];
        if (axis == 0) {    //　縦方向の結合
            array3 = array1.slice();
            for (var i = 0; i < array2.length; i++) {
                array3.push(array2[i]);
            }
        } else {              //　横方向の結合
            for (var i = 0; i < array1.length; i++) {
                array3[i] = array1[i].concat(array2[i]);
            };
        };
        return array3;
    }

    unicodeUnescape(str) {     // \uxxx形式→文字列変換
        let result = "", strs = str.match(/\\u.{4}/ig);
        if (!strs) return '';
        for (var i = 0, len = strs.length; i < len; i++) {
            result += String.fromCharCode(strs[i].replace('\\u', '0x'));
        };
        return result;
    }

    uniq(array) {
        let elems = new Map();
        for (let elem of array) {
            elems.set(elem, true); // 同じキーに何度も値を設定しても問題ない
        };
        return Array.from(elems.keys());
    }

    getWikipedia(lang, url) {      // get wikipedia contents
        return new Promise((resolve, reject) => {
            let encurl = encodeURI(url);
            encurl = "https://" + lang + "." + Conf.osm.wikipedia.api + encurl;
            $.get({ url: encurl, dataType: "jsonp" }, function (data) {
                let key = Object.keys(data.query.pages);
                let text = data.query.pages[key].extract;
                console.log(text);
                resolve(text);
            });
        });
    }

    isSmartPhone() {
        if (window.matchMedia && window.matchMedia('(max-device-width: 640px)').matches) {
            return true;
        } else {
            return false;
        };
    }
    
    convLinkTag(url) {
        return (/^(ftp|http|https):\/\/[^ "]+$/.test(url)) ? `<a href="${url}" target="_blank" rel="noopener noreferrer">${url}</a>` : "";
    }

    async makeSHA256(text) {
        const uint8 = new TextEncoder().encode(text);
        const digest = await crypto.subtle.digest('SHA-256', uint8);
        return Array.from(new Uint8Array(digest)).map(v => v.toString(16).padStart(2, '0')).join('');
    }

};
var basic = new Basic();